I recently upgraded my NetBeans IDE from v7.3 to v8 and all of a sudden my application throws an exception at server startup while connecting to DB. The only difference between these two versions of IDE are that the later one is using Tomcat 8.
Exception Log:
javax.naming.NamingException: Could not load resource factory class [Root exception is java.lang.ClassNotFoundException: org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory]
at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:82)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
at org.apache.naming.NamingContext.lookup(NamingContext.java:841)
at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
at org.apache.naming.NamingContext.lookup(NamingContext.java:829)
at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
at org.apache.naming.NamingContext.lookup(NamingContext.java:829)
at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
at org.apache.naming.NamingContext.lookup(NamingContext.java:829)
at org.apache.naming.NamingContext.lookup(NamingContext.java:166)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:157)
at javax.naming.InitialContext.lookup(InitialContext.java:411)
at com.istore.core.listeners.AppContextListener.initdb(AppContextListener.java:44)
at com.istore.core.listeners.AppContextListener.contextInitialized(AppContextListener.java:27)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4738)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5158)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:702)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:697)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:579)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:455)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1554)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1428)
at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:885)
at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:343)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:618)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:301)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:615)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:74)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1015)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:652)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1575)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1533)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.ClassNotFoundException: org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1284)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1132)
at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:80)
... 58 more
META-INF/context.xml
<!-- PostgreSQL Datasource -->
<Resource auth="Container" driverClassName="org.postgresql.Driver" factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory" maxActive="50" maxIdle="10" maxWait="-1" name="jdbc/mydb" type="javax.sql.DataSource" url="jdbc:postgresql://myorg.corp.net:5432/mydb" username="abc" password="def" />
Please guide.
The name of the default factory changed between Tomcat 7 and Tomcat 8. A couple of attribute names also changed. This is all as a result of switching from DBCP 1.x to DBCP 2.x in Tomcat 8. You want the following in your META-INF/context.xml file:
<!-- PostgreSQL Datasource -->
<Resource auth="Container"
driverClassName="org.postgresql.Driver"
factory="org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory"
maxTotal="50"
maxIdle="10"
maxWaitMillis="-1"
name="jdbc/mydb"
type="javax.sql.DataSource"
url="jdbc:postgresql://myorg.corp.net:5432/mydb"
username="abc"
password="def" />
Since this factory is used by default for resources of type javax.sql.DataSource you can just drop that attribute all together. The other changes were:
maxActive -> maxTotal
maxWait -> maxWaitMillis
You need tomcat-dbcp-8.0.0-RC1.jar in your tomcat8 lib folder. The package structure for org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory in commons-dbcp.jar is different from other tomcat versions.
Related
I have startet multiple Identical Apps in Tomcat (They display different content but the code is the same). These Apps use Hibernate and ehcache.
The Problem is: A singel Application works as expected. but adding a second one will make everything crash with nullpointerexception.
The configuration is:
// Caching
cfg.setProperty("hibernate.cache.use_second_level_cache", "true");
cfg.setProperty("hibernate.cache.provider_class", "org.hibernate.cache.EhCacheProvider");
cfg.setProperty("hibernate.cache.region.factory_class", "org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory");
cfg.setProperty("net.sf.ehcache.configurationResourceName", "com/gfop/util/hibernate/ehcache.xml");
// Query Caching
cfg.setProperty("hibernate.cache.use_query_cache", "true");
cfg.setProperty("hibernate.c3p0.statementCacheNumDeferredCloseThreads", "1");
This is the Stacktrace:
2016-06-28 17:57:31,766 [http-nio-8080-exec-6] ERROR myGroup.sv.hibernate.HibernateDBServerInstance.getSessionFactory(?:?) - Second-level cache is used in the application, but property hibernate.cache.region.factory_class is not given; please either disable second level cache or set correct region factory using the hibernate.cache.region.factory_class setting and make sure the second level cache provider (hibernate-infinispan, e.g.) is available on the classpath.
org.hibernate.cache.NoCacheRegionFactoryAvailableException: Second-level cache is used in the application, but property hibernate.cache.region.factory_class is not given; please either disable second level cache or set correct region factory using the hibernate.cache.region.factory_class setting and make sure the second level cache provider (hibernate-infinispan, e.g.) is available on the classpath.
at org.hibernate.cache.internal.NoCachingRegionFactory.buildEntityRegion(NoCachingRegionFactory.java:83)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:364)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)
at myGroup.sv.hibernate.HibernateDBServerInstance.getSessionFactory(Unknown Source)
at myGroup.sv.hibernate.HibernateDBServerInstance.getSystemSession(Unknown Source)
at myGroup.sv.hibernate.HibernateDBServerInstance.getSystemSession(Unknown Source)
at myGroup.sv.hibernate.HibernateService.getSystemSession(Unknown Source)
at myGroup.bwv.service.BwvMandantService.getList(Unknown Source)
at myGroup.bwv.bean.ApplicationBean.getMandantenList(Unknown Source)
at myGroup.bwv.bean.AusschreibungBean.init(Unknown Source)
at myGroup.bwv.bean.AusschreibungBean.<init>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at org.apache.myfaces.config.annotation.Tomcat7AnnotationLifecycleProvider.newInstance(Tomcat7AnnotationLifecycleProvider.java:54)
at org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:162)
at org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean(ManagedBeanResolver.java:303)
at org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue(ManagedBeanResolver.java:266)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:66)
at org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:142)
at org.apache.myfaces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:65)
at org.apache.myfaces.el.convert.VariableResolverToELResolver.getValue(VariableResolverToELResolver.java:96)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:66)
at org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:142)
at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:80)
at org.apache.el.parser.AstValue.getValue(AstValue.java:137)
at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184)
at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:115)
at javax.faces.component._DeltaStateHelper.eval(_DeltaStateHelper.java:243)
at javax.faces.component.UIData.getValue(UIData.java:1153)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.createDataModel(HtmlDataTableHack.java:957)
at org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.createDataModel(AbstractHtmlDataTable.java:1605)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.getDataModel(HtmlDataTableHack.java:932)
at org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.getDataModel(AbstractHtmlDataTable.java:1597)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.getRowCount(HtmlDataTableHack.java:103)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:366)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:214)
at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:366)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:488)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:609)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBase.renderChildren(HtmlGridRendererBase.java:370)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBase.encodeEnd(HtmlGridRendererBase.java:194)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:519)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:618)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:614)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:614)
at org.apache.myfaces.shared_impl.view.JspViewDeclarationLanguageBase.actuallyRenderView(JspViewDeclarationLanguageBase.java:322)
at org.apache.myfaces.shared_impl.view.JspViewDeclarationLanguageBase.renderView(JspViewDeclarationLanguageBase.java:181)
at org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:263)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
at org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:169)
at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:85)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:239)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:357)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1527)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1484)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
2016-06-28 17:57:31,767 [http-nio-8080-exec-6] ERROR myGroup.bwv.bean.ApplicationBean.getMandantenList(?:?) -
java.lang.NullPointerException
at myGroup.sv.hibernate.HibernateDBServerInstance.getSystemSession(Unknown Source)
at myGroup.sv.hibernate.HibernateDBServerInstance.getSystemSession(Unknown Source)
at myGroup.sv.hibernate.HibernateService.getSystemSession(Unknown Source)
at myGroup.bwv.service.BwvMandantService.getList(Unknown Source)
at myGroup.bwv.bean.ApplicationBean.getMandantenList(Unknown Source)
at myGroup.bwv.bean.AusschreibungBean.init(Unknown Source)
at myGroup.bwv.bean.AusschreibungBean.<init>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at org.apache.myfaces.config.annotation.Tomcat7AnnotationLifecycleProvider.newInstance(Tomcat7AnnotationLifecycleProvider.java:54)
at org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:162)
at org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean(ManagedBeanResolver.java:303)
at org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue(ManagedBeanResolver.java:266)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:66)
at org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:142)
at org.apache.myfaces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:65)
at org.apache.myfaces.el.convert.VariableResolverToELResolver.getValue(VariableResolverToELResolver.java:96)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:66)
at org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:142)
at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:80)
at org.apache.el.parser.AstValue.getValue(AstValue.java:137)
at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184)
at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:115)
at javax.faces.component._DeltaStateHelper.eval(_DeltaStateHelper.java:243)
at javax.faces.component.UIData.getValue(UIData.java:1153)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.createDataModel(HtmlDataTableHack.java:957)
at org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.createDataModel(AbstractHtmlDataTable.java:1605)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.getDataModel(HtmlDataTableHack.java:932)
at org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.getDataModel(AbstractHtmlDataTable.java:1597)
at org.apache.myfaces.component.html.ext.HtmlDataTableHack.getRowCount(HtmlDataTableHack.java:103)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:366)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:214)
at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:366)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:488)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:609)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBase.renderChildren(HtmlGridRendererBase.java:370)
at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBase.encodeEnd(HtmlGridRendererBase.java:194)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:519)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:618)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:614)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:614)
at org.apache.myfaces.shared_impl.view.JspViewDeclarationLanguageBase.actuallyRenderView(JspViewDeclarationLanguageBase.java:322)
at org.apache.myfaces.shared_impl.view.JspViewDeclarationLanguageBase.renderView(JspViewDeclarationLanguageBase.java:181)
at org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:263)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
at org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:169)
at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:85)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:239)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:357)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1527)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1484)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Have you ever experienced anything like this? Do you know how to solve this?
You use SingletonEhCacheRegionFactory, you should use EhCacheRegionFactory. Now you have only singleton, so you are not able to get different instance, it is singlet :) Change it to EhCacheRegionFactory and it souhl be able to get another instance
In an Eclipse project, I imported a group of jars. The api from the jars can be called from a Java program with public static void main by right clicking on the class and clicking run as java program. However, in the same Eclipse project, the api is not available when called through Spring MVC controllers. The complete stack trace of the error is included below. What can I change so that the api is available in the Spring MVC controllers also?
I have read many postings on the error message, but they all focus on whether or not the jars are included in the build path. In this case, the jars ARE included in the buildpath. In this case the problem is that Spring MVC cannot see the jars even though public static void main can see the jars.
The code from the Java program that runs correctly is as follows:
package publicstaticvoidmain;
import org.openhealthtools.mdht.uml.cda.ccd.CCDPackage;
import org.openhealthtools.mdht.uml.cda.util.CDAUtil;
public class MdhtTest {
public static void main(String[] args) {
// Implicit initialization
CDAUtil.loadPackages();
// Explicit initialization
// CCDPackage.eINSTANCE.eClass();
System.out.println("----------------------> MdhtTest RAN WITHOUT ANY ERRORS. THIS IS SUCCESS!!! <-------------------------");
}
}
The code in the controller class that throws the error is:
package controllerpackage;
import javax.servlet.http.HttpServletRequest;
import modelpackage.SomeModelClass;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.SessionAttributes;
#Controller
#SessionAttributes(types = SomeModelClass.class)
public class SomeModelClassController {
#RequestMapping(value = "/TriggerTheError", method = RequestMethod.GET)
public String processFindForm(HttpServletRequest request) {
DataFunctionsMDHT mf = new DataFunctionsMDHT();
mf.unmarshal();
return "ReproduceNoClassDefFoundError";
}
}
The complete stack trace that is thrown when the api is called from the Spring controller code is as follows:
org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/openhealthtools/mdht/uml/cda/util/CDAUtil
at org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1259) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936) [spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827) [spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:na]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812) [spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) [spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at com.github.dandelion.datatables.core.web.filter.DatatablesFilter.doFilter(DatatablesFilter.java:73) [datatables-core-0.9.2.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at com.github.dandelion.datatables.extras.servlet2.filter.DatatablesFilter.doFilter(DatatablesFilter.java:71) [datatables-servlet2-0.9.2.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.15]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.15]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.15]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.15]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [catalina.jar:8.0.15]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.15]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.15]
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.15]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.15]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537) [catalina.jar:8.0.15]
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085) [tomcat-coyote.jar:8.0.15]
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658) [tomcat-coyote.jar:8.0.15]
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222) [tomcat-coyote.jar:8.0.15]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556) [tomcat-coyote.jar:8.0.15]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513) [tomcat-coyote.jar:8.0.15]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_71]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_71]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.15]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
Caused by: java.lang.NoClassDefFoundError: org/openhealthtools/mdht/uml/cda/util/CDAUtil
at controllerpackage.DataFunctionsMDHT.unmarshal(DataFunctionsMDHT.java:8) ~[DataFunctionsMDHT.class:na]
at controllerpackage.SomeModelClassController.processFindForm(SomeModelClassController.java:19) ~[SomeModelClassController.class:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_71]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_71]
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219) ~[spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) ~[spring-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925) ~[spring-webmvc-3.2.5.RELEASE.jar:3.2.5.RELEASE]
... 42 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.openhealthtools.mdht.uml.cda.util.CDAUtil
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1295) ~[catalina.jar:8.0.15]
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1147) ~[catalina.jar:8.0.15]
... 55 common frames omitted
Apr 20, 2015 8:53:32 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [NoClassDefFoundError] in context with path [/NoClassDefFoundError] threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/openhealthtools/mdht/uml/cda/util/CDAUtil] with root cause
java.lang.ClassNotFoundException: org.openhealthtools.mdht.uml.cda.util.CDAUtil
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1295)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1147)
at controllerpackage.DataFunctionsMDHT.unmarshal(DataFunctionsMDHT.java:8)
at controllerpackage.SomeModelClassController.processFindForm(SomeModelClassController.java:19)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:618)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.github.dandelion.datatables.core.web.filter.DatatablesFilter.doFilter(DatatablesFilter.java:73)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.github.dandelion.datatables.extras.servlet2.filter.DatatablesFilter.doFilter(DatatablesFilter.java:71)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Edit
Here are some repro instructions:
1.) Download the Eclipse project zip from the link above
2.) Import the Eclipse project zip into Eclipse as a new project
3.) Download the jar files zip from the second link above.
4.) Right click on the project name, then select Build Path...
5.) Add all the jars from the downloaded jar zip into the build path
6.) Right click the project name, then select Run As.. Run on Server
7.) Clicking the link on the main page in the browser will reproduce the error from the controller
8.) Right clicking on publicstaticvoidmain.MdhtTest.java and selecting Run As..Java Program will work properly
Edit 2
As per #JBNizet's suggestion, I created a lib folder located at /WEB-INF/lib and then typed mv /path/to/all/the/jars/* /path/to/workspace/MyApp/src/main/webapp/WEB-INF/lib/ This did move the jars to the lib folder. I pressed F5 in eclipse to refresh the view so the jars can be seen in the folder in eclipse. But yet the error continues to be re-created every time I click on the link that calls the controller code.
In a separate attempt, Eclipse did not allow me to use the GUI to simply copy and paste the Jars from the libraries folder into the lib folder.
Also, #JBNizet suggested this link, but the code at the link is not clear. The link suggests typing mvn install:install-file -Dfile=<path-to-file> but does not say where to type it. Or when.
Note that there are over 20 jars! Do I type mvn install:install-file -Dfile=<path-to-file> 20 times, once for each jar? And do I have to type this every time I do a maven update? Do I navigate to the repository root directory to type this command? Or to a subdirectory?
The Java build path is just that: the path used to build your application.
At runtime, when executed inside the web container, the necessary libraries must be available to the web application as well. To be available to the application, they must be part of the WEB-INF/lib directory of the deployed war or exploded war file.
Eclipse won't put the libraries in the build path into WEB-INF/lib. What it will put in WEB-INF/lib is the set of libraries located in the WebContent/WEB-INF/lib directory of your eclipse web project. And those libraries are automatically also added to the build path by eclipse.
So, remove all the libraries you need at runtime from the build path, and add them to WebContent/WEB-INF/lib.
Note that your screenshot looks like the project is in fact a Maven project, and should thus be built by Maven. If that's the case, then you should not even add anything to the build path or to WebContent/WEB-INF/lib. You should instead add the dependencies to your Maven pom.xml file.
I have made a simple java Servlet that needs to communicate with a Neo4J server using REST API.
I'm using the following library: neo4j-rest-graphdb-2.0.1.jar.
The only line I have written so far is
RestAPI graphDb = new RestAPIFacade("http://localhost:7474/db/data");
Unfortunately every time I start the servlet I get this error:
org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet [servlets.ServletFrontend] in context with path [/ServletTest] threw exception [Servlet execution threw an exception] with root cause
java.lang.ClassNotFoundException: org.neo4j.rest.graphdb.RestAPI
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1305)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1157)
at servlets.ServletFrontend.doPost(ServletFrontend.java:80)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:644)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
I'm using Eclipse and I've already imported that library (and org.neo4j.rest.graphdb.RestAPI is in there).
What am I missing?
I'm studing Java Web, and during my studies I learned that from version 4 of the JDBC no need to use the method Class.forName to load the driver. I confirmed this information in this link.
Based on this information, I developed my getConnection method without that call, but when I started my Tomcat and I went to test my method, the following exception was thrown.
jan 23, 2015 7:55:48 PM org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet [br.com.caelum.servlet.AdicionaContatoServlet] in context with path [/fj21-agenda] threw exception
java.lang.RuntimeException: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost/fj21
at br.com.caelum.jdbc.ConnectionFactory.getConnection(ConnectionFactory.java:14)
at br.com.caelum.jdbc.dao.ContatoDAO.<init>(ContatoDAO.java:19)
at br.com.caelum.servlet.AdicionaContatoServlet.service(AdicionaContatoServlet.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost/fj21
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at br.com.caelum.jdbc.ConnectionFactory.getConnection(ConnectionFactory.java:12)
... 25 more
I'm using on my tests:
Tomcat 8
Java 8
Eclipse Luna Service Release 1 (4.4.1)
mysql-connector-java-5.1.34-bin.jar
If I include the line Class.forName("com.mysql.jdbc.Driver"); all works fine. Someone have any idea about this?
During the Tomcat startup, the Service Provider mechanism scans for database drivers in the $CATALINA_BASE/lib folder to register them. But this process is not executed for each web application.
Thus, the web applications that have database drivers in their WEB-INF/lib directory cannot rely on the service provider mechanism and should register the drivers explicitly.
See more in Apache Tomcat 8 - JNDI Datasource HOW-TO.
I want to implement connection pooling on my Tomcat server. Here is my context.xml file (placed under WebContent/META-INF/context.xml:
<Context path="/evappserver" reloadable="true">
<Resource
name="jdbc/evapp"
auth="Container"
type="javax.sql.DataSource"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
initialSize="34"
maxActive="377"
maxIdle="233"
minIdle="89"
timeBetweenEvictionRunsMillis="34000"
minEvictableIdleTimeMillis="55000"
validationQuery="SELECT 1"
validationInterval="34"
testOnBorrow="true"
removeAbandoned="true"
removeAbandonedTimeout="55"
username="root"
password=""
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/evapp?allowMultiQueries=true"
/>
</Context>
I have a maven project so the mysql jdbc driver is imported via the pom.xml file, like this:
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
Here is my java code which throws the exception:
Context initContext = new InitialContext();
Context envContext = (Context) initContext.lookup("java:/comp/env");
dataSource = (DataSource) envContext.lookup("jdbc/evapp"); //here is the exception
Here is the exception:
May 13, 2014 10:39:58 AM org.apache.naming.NamingContext lookup
WARNING: Unexpected exception resolving reference
java.sql.SQLException: com.mysql.jdbc.Driver
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:254)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:702)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:634)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:488)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:144)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:116)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:103)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.createDataSource(DataSourceFactory.java:539)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.getObjectInstance(DataSourceFactory.java:237)
at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:143)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
at com.evappserver.dblayer.DBType.<init>(DBType.java:62)
at com.evappserver.dblayer.MySqlDB.<init>(MySqlDB.java:16)
at com.evappserver.logiclayer.BaseLogic.getMainDbConnection(BaseLogic.java:19)
at com.evappserver.logiclayer.PasswordLoginLogic.doLogin(PasswordLoginLogic.java:27)
at com.evappserver.servlets.PasswordLoginServlet.doGet(PasswordLoginServlet.java:37)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:266)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:246)
... 38 more
Is there something wrong with this configuration?
I think you should include the driver for MySQL in your tomcat /lib folder instead of deploying it along with your web application. This way the server will find the proper classes to instantiate your connection pool and everything should go fine.
check if the classpath of your project contains the file mysql-connector-java-5.1.6.jar. Did maven run without problems?
I had this same problem. For a reason unknown to me, putting the mysql-connector-java*.jar in WEB-INF/lib no longer works in Ubuntu LTS 14.04
I solved it by copying this file (and this file alone) to /usr/share/tomcat7/lib and restarted tomcat7 as a service service tomcat7 restart and everything sprang to life.
Best of luck