deploy vaadin 7 with maven on jboos 7 - java

Sorry about my bad question but I am trying to have a simple project with work maven with vaadin7,I have problem when deploy to jboss 7,
here is my web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<display-name>Student Manager Example</display-name>
<description>
This is example for research Maven work with Vaadin
</description>
<servlet>
<servlet-name>StudentManager</servlet-name>
<servlet-class>servlet.StudentManagerServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>StudentManager</servlet-name>
<url-pattern>/student</url-pattern>
</servlet-mapping>
</web-app>
my Servlet
#Theme("mytheme")
public class StudentManagerServlet extends UI {
private static final long serialVersionUID = 1L;
#Override
protected void init(VaadinRequest request) {
VerticalLayout view = new VerticalLayout();
view.addComponent(new Label("Hello Vaadin!"));
setContent(view);
}
}
And here is my error when deploy jboos
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: java.lang.ClassNotFoundException: servlet.StudentManagerServlet from [Module "deployment.StudentManager-0.0.1-SNAPSHOT.war:main" from Service Module Loader]
at org.jboss.as.jaxrs.deployment.JaxrsScanningProcessor.checkDeclaredApplicationClassAsServlet(JaxrsScanningProcessor.java:290)
at org.jboss.as.jaxrs.deployment.JaxrsScanningProcessor.scanWebDeployment(JaxrsScanningProcessor.java:155)
at org.jboss.as.jaxrs.deployment.JaxrsScanningProcessor.deploy(JaxrsScanningProcessor.java:104)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
... 5 more
14:19:10,848 ERROR [org.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 1) {"JBAS014653: Composite operation failed and was rolled back. Steps that failed:" => {"Operation step-2" => {"JBAS014671: Failed services" => {"jboss.deployment.unit.\"StudentManager-0.0.1-SNAPSHOT.war\".POST_MODULE" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"StudentManager-0.0.1-SNAPSHOT.war\".POST_MODULE: Failed to process phase POST_MODULE of deployment \"StudentManager-0.0.1-SNAPSHOT.war\""}}}}
thankyou very much

You should use full package name and Servlet name, while declaring it in web.xml. Is servlet.StudentManagerServlet the full path of your class?
<servlet>
<servlet-name>StudentManager</servlet-name>
<servlet-class>full.path.to.package.StudentManagerServlet</servlet-class>
</servlet>

Related

How to deploy two webapps using the same parent path in Wildfly?

I have two web REST applications that I would like to deploy using the same path:
http://server:8080/commonpath/applicationA
http://server:8080/commonpath/applicationB
In both webapps I have configured web.xml under WEB-INF:
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<module-name>commonpath</module-name>
</web-app>
I have also tried the same using jboss-web.xml:
<jboss-web>
<context-root>commonpath</context-root>
</jboss-web>
Nothing seems to work however and I see the following exception:
{"WFLYCTL0062: Composite operation failed and was rolled back. Steps that failed:" => {"Operation step-2" => {"WFLYCTL0080: Failed services" => {"jboss.deployment.unit.\"applicationB.war\".POST_MODULE" => "WFLYSRV0153: Failed to process phase POST_MODULE of deployment \"applicationB.war\"
14:16:34 Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.naming.context.java.module.distribution.distribution.ValidatorFactory is already registered"}}}}
If I use two different module-names they deploy without problem. My server is Wildfly 23.0.2

Need assistance in migrating a SOAP service to Wildlfy 26 from Wildfly 10

We have a Java SOAP service running on Wildlfy & Java 8 currently. We are migrating from Wildfly 10 to 26, java-11-openjdk-11.0.12.0.7-0.el8_4.x86_64
Running into all kinds of issues.
Below is my web.xml
<display-name>SearchWS</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- <listener><listener-class>com.sun.xml.ws.transport.http.servlet.WSServletContextListener</listener-class></listener> -->
<servlet>
<servlet-name>SolrSearchWS</servlet-name>
<servlet-class>com.solr.service.SolrSearchWS</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SolrSearchWS</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
when i try to deploy my web service, i get the following in my log file
2022-12-07 11:30:06,133 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC000001: Failed to start service jboss.deployment.unit."SearchWS-0.0.1-SNAPSHOT.war".undertow-deployment.UndertowDeploymentInfoService: org.jboss.msc.service.StartException in service jboss.deployment.unit."SearchWS-0.0.1-SNAPSHOT.war".undertow-deployment.UndertowDeploymentInfoService: Failed to start serviceorg.jboss.msc#1.4.13.Final//org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1731)org.jboss.msc#1.4.13.Final//org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
org.jboss.threads#2.4.0.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)org.jboss.threads#2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)org.jboss.threads#2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
org.jboss.threads#2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1363)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.IllegalArgumentException: UT010009: Servlet SolrSearchWS of type class com.solr.service.SolrSearchWS does not implement javax.servlet.Servletio.undertow.servlet#2.2.19.Final//io.undertow.servlet.api.ServletInfo.(ServletInfo.java:98)
org.wildfly.extension.undertow#26.1.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService.createServletConfig(UndertowDeploymentInfoService.java:749)
org.wildfly.extension.undertow#26.1.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService.start(UndertowDeploymentInfoService.java:312)
org.jboss.msc#1.4.13.Final//org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
org.jboss.msc#1.4.13.Final//org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
... 6 more
2022-12-07 11:30:06,141 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) WFLYCTL0013: Operation ("full-replace-deployment") failed - address: ([]) - failure description: {"WFLYCTL0080: Failed services" => {"jboss.deployment.unit."SearchWS-0.0.1-SNAPSHOT.war".undertow-deployment.UndertowDeploymentInfoService" => "Failed to start service
Caused by: java.lang.IllegalArgumentException: UT010009: Servlet SolrSearchWS of type class com.solr.service.SolrSearchWS does not implement javax.servlet.Servlet"}}
Any help will be greatly appreciated.
regards
preet
We have tried many different combinations of files in POM. Nothing seems to help

Module has not been deployed

I am trying to create a web service in a web application on netbeans 8.2 (server-tomcat 8.0.27.0) which can connect to a database on postgres and read a table named "test". i have this code in download.java (web service in a package called serve)
Download.java
#WebService(serviceName = "download")
public class Download {
Connection con=null;
private DataSource getJdbcPostgres() throws NamingException, SQLException {
Context c = new InitialContext();
DataSource ds=(DataSource) c.lookup("java:comp/env/jdbc/postgres");
con=ds.getConnection();
return ds;
}
#WebMethod(operationName = "download")
public String download(#WebParam(name = "username")String username, #WebParam(name = "id")String id) throws ClassNotFoundException, SQLException {
String sql = "select * from test where id="+id;
Class.forName("org.postgresql.Driver");
PreparedStatement pst=con.prepareStatement(sql);
ResultSet rs=pst.executeQuery();
ResultSetMetaData rsmd=rs.getMetaData();
rs.next();
return "";
}
}
here's my context.xml file (in META-INF)
context.xml
<?xml version="1.0" encoding="UTF-8"?>
<Context path="/service2">
<Resource name="jdbc/postgres" auth="Container"
type="javax.sql.DataSource" driverClassName="org.postgresql.Driver"
url="jdbc:postgresql://localhost:5432/postgres"
username="someusername" password="somepassword" maxTotal="20" maxIdle="10"
maxWaitMillis="-1"/>
</Context>
and here's web.xml (in WEB-INF):
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<listener>
<listener-class>com.sun.xml.ws.transport.http.servlet.WSServletContextListener</listener-class>
</listener>
<servlet>
<servlet-name>download</servlet-name>
<servlet-class>com.sun.xml.ws.transport.http.servlet.WSServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>download</servlet-name>
<url-pattern>/download</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<resource-ref>
<description>postgreSQL Datasource example</description>
<res-ref-name>jdbc/postgres</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
clean and build command is successful but it doesn't deploy on apache tomcat server
error message (output when I tried to deploy it):
Checking data source definitions for missing JDBC drivers...
Undeploying ...
undeploy?path=/service2
OK - Undeployed application at context path /service2
In-place deployment at D:\NetBeansProjects\service2\build\web
Deployment is in progress...
deploy?config=file%3A%2FC%3A%2FUsers%2FTRAINE%7E3%2FAppData%2FLocal%2FTemp%2Fcontext1366288511044657094.xml&path=/service2
FAIL - Deployed application at context path /service2 but context failed to start
D:\NetBeansProjects\service2\nbproject\build-impl.xml:1094: The module has not been deployed.
See the server log for details.
BUILD FAILED (total time: 2 seconds)
when i tried to change server to GlassFish 4.1.1, it says:
Severe: WSSERVLET11: failed to parse runtime descriptor:
com.sun.xml.ws.spi.db.DatabindingException:
com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 1 counts of
IllegalAnnotationExceptions
javax.xml.transform.SourceLocator is an interface, and JAXB can't handle
interfaces.
this problem is related to the following location:
at javax.xml.transform.SourceLocator
at public javax.xml.transform.SourceLocator
serve.jaxws.TransformerConfigurationExceptionBean.locator
at serve.jaxws.TransformerConfigurationExceptionBean
Caused by: com.sun.xml.ws.spi.db.DatabindingException:
com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 1 counts of
IllegalAnnotationExceptions
javax.xml.transform.SourceLocator is an interface, and JAXB can't handle
interfaces.
this problem is related to the following location:
at javax.xml.transform.SourceLocator
at public javax.xml.transform.SourceLocator
serve.jaxws.TransformerConfigurationExceptionBean.locator
at serve.jaxws.TransformerConfigurationExceptionBean
Severe: Exception while loading the app
Severe: Undeployment failed for context /service2
Severe: Exception while loading the app : java.lang.IllegalStateException:
ContainerBase.addChild: start: org.apache.catalina.LifecycleException:
org.apache.catalina.LifecycleException: javax.servlet.ServletException:
com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to
parse runtime descriptor: com.sun.xml.ws.spi.db.DatabindingException:
com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 1 counts of
IllegalAnnotationExceptions
javax.xml.transform.SourceLocator is an interface, and JAXB can't handle
interfaces.
this problem is related to the following location:
at javax.xml.transform.SourceLocator
at public javax.xml.transform.SourceLocator serve.jaxws.TransformerConfigurationExceptionBean.locator
at serve.jaxws.TransformerConfigurationExceptionBean
I am a newcomer to this field so plz help me if im wrong somewhere or missing something!
I don't know why it happened but I just put try-catch instead of throws and it is getting deployed!
#WebMethod(operationName = "download")
public String download(#WebParam(name = "username")String username, #WebParam(name = "id")String id) {
try {
String sql="select * from test";
Connection conn=myDatasource.getConnection();
PreparedStatement pst=conn.prepareStatement(sql);
rs=pst.executeQuery();
}
catch (SQLException ex) {
Logger.getLogger(connect.class.getName()).log(Level.SEVERE, null, ex);
}
return "someString";
}
Can anyone suggest why didn't it work earlier? Although my problem is solved yet I'm curious to know what was wrong with 'throws Exception'!
P.S. I'm running it on GlassFish 4.1.1 this time

error running default servlet

i work in maven project, I created a pom maven project and 2 maven module
A module for the business layer (Ejb) and the other for the web layer (war maven project)
my problem is when i run a simple servlet wildfly show me 404 - Not Found
this is my Console output
18:53:18,813 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC000001: Failed to start service jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService: java.lang.ClassNotFoundException: test.Test1 from [Module "deployment.BanquePPWeb.war:main" from Service Module Loader]
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService.createServletConfig(UndertowDeploymentInfoService.java:1079)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService.start(UndertowDeploymentInfoService.java:284)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: test.Test1 from [Module "deployment.BanquePPWeb.war:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:198)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService.createServletConfig(UndertowDeploymentInfoService.java:723)
... 6 more
18:53:18,992 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "BanquePPWeb.war")]) - failure description: {
"WFLYCTL0080: Failed services" => {"jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService" => "org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService: java.lang.ClassNotFoundException: test.Test1 from [Module \"deployment.BanquePPWeb.war:main\" from Service Module Loader]
Caused by: java.lang.ClassNotFoundException: test.Test1 from [Module \"deployment.BanquePPWeb.war:main\" from Service Module Loader]"},
"WFLYCTL0412: Required services that are not installed:" => ["jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService"],
"WFLYCTL0180: Services with missing/unavailable dependencies" => undefined
}
18:53:19,056 INFO [org.jboss.as.server] (DeploymentScanner-threads - 1) WFLYSRV0010: Deployed "BanquePPWeb.war" (runtime-name : "BanquePPWeb.war")
18:53:19,057 INFO [org.jboss.as.controller] (DeploymentScanner-threads - 1) WFLYCTL0183: Service status report
WFLYCTL0186: Services which failed to start: service jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./BanquePPWeb.UndertowDeploymentInfoService: java.lang.ClassNotFoundException: test.Test1 from [Module "deployment.BanquePPWeb.war:main" from Service Module Loader]
and this is my web.xml
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4" id="WebApp_ID">
<display-name>BanquePPWeb</display-name>
<servlet>
<description>
</description>
<display-name>Test1</display-name>
<servlet-name>Test1</servlet-name>
<servlet-class>test.Test1</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Test1</servlet-name>
<url-pattern>/Test1</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>

The requested resource is not available while publishing on tomcat

I'm trying to publish a simple java web service using tomcat. Referring to below screenshot, I have HelloWorld.java which is service interface and its HelloWorldImpl.java implementation class.
Also I've created web.xml and sun-jaxws.xml.
When I right click the project, select Run As and then Run on Server, I get 404 error message as shown in bottom of screenshot.
The URL which internal browser tries to reach is http://localhost:8081/MySqlConnect/ where MySqlConnect is project name. Note that I'm using 8081 as port number.
I also tried http://localhost:8081/HelloWorld/hello, but it didn't worked.
I have also provided the code for all files below.
I'm not able to understand where am I going wrong? Any help appreciated.
HelloWorldImpl.java
package com.mycompany.service;
import javax.jws.WebService;
#WebService(endpointInterface = "com.mycompany.service.HelloWorld", serviceName = "HelloWorld")
public class HelloWorldImpl implements HelloWorld {
#Override
public String sayGreeting(String name) {
return "Greeting " + name + "!";
}
}
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems,
Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">
<web-app>
<listener>
<listener-class>
com.sun.xml.ws.transport.http.servlet.WSServletContextListener
</listener-class>
</listener>
<servlet>
<servlet-name>hello</servlet-name>
<servlet-class>
com.sun.xml.ws.transport.http.servlet.WSServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>hello</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>120</session-timeout>
</session-config>
</web-app>
sun-jaxws.xml
<?xml version="1.0" encoding="UTF-8"?>
<endpoints xmlns="http://java.sun.com/xml/ns/jax-ws/ri/runtime"
version="2.0">
<endpoint name="HelloWorld" implementation="com.mycompany.service.HelloWorldImpl"
url-pattern="/hello" />
</endpoints>
Edit 1
Log-cat
INFO: Starting Servlet Engine: Apache Tomcat/7.0.33
com.sun.xml.ws.transport.http.servlet.WSServletContextListener parseAdaptersAndCreateDelegate
SEVERE: WSSERVLET11: failed to parse runtime descriptor: java.lang.NoClassDefFoundError: javax/xml/ws/soap/AddressingFeature$Responses
java.lang.NoClassDefFoundError: javax/xml/ws/soap/AddressingFeature$Responses
Caused by: java.lang.ClassNotFoundException: javax.xml.ws.soap.AddressingFeature$Responses
Edit 2
As suggested here, I downloaded all libraries and place in tomcat lib folder but now I get this error in log:
com.sun.xml.ws.transport.http.servlet.WSServletContextListener parseAdaptersAndCreateDelegate
SEVERE: WSSERVLET11: failed to parse runtime descriptor: java.lang.NoSuchMethodError: com.sun.xml.ws.assembler.TubelineAssemblyController: method <init>()V not found
java.lang.NoSuchMethodError: com.sun.xml.ws.assembler.TubelineAssemblyController: method <init>()V not found
If I add all libraries to project and then try to run it, I get following error:
com.sun.xml.ws.transport.http.servlet.WSServletContextListener parseAdaptersAndCreateDelegate
SEVERE: WSSERVLET11: failed to parse runtime descriptor: com.sun.xml.ws.util.ServiceConfigurationError: com.sun.xml.ws.policy.jaxws.spi.PolicyFeatureConfigurator: Provider com.sun.xml.ws.transport.tcp.policy.TCPTransportFeatureConfigurator is specified in jar:file:/C:/Apache-Tomcat-7/lib/webservices-rt-2.1-b16.jar!/META-INF/services/com.sun.xml.ws.policy.jaxws.spi.PolicyFeatureConfiguratorbut could not be instantiated: java.lang.ClassCastException
com.sun.xml.ws.util.ServiceConfigurationError: com.sun.xml.ws.policy.jaxws.spi.PolicyFeatureConfigurator: Provider com.sun.xml.ws.transport.tcp.policy.TCPTransportFeatureConfigurator is specified in jar:file:/C:/Apache-Tomcat-7/lib/webservices-rt-2.1-b16.jar!/META-INF/services/com.sun.xml.ws.policy.jaxws.spi.PolicyFeatureConfiguratorbut could not be instantiated: java.lang.ClassCastException
Note this: com.sun.xml.ws.policy.jaxws.spi.PolicyFeatureConfiguratorbut could not be instantiated: java.lang.ClassCastException
The correct url is http://localhost:8081/MySqlConnect/hello as MySqlConnect is the name of your context and hello the web service url.
Also its a webservice so to access it properly you can make a SOAP call.
But the root cause is your web application is not starting due to unable to find class javax.xml.ws.soap.AddressingFeature$Responses.
Have you added right dependencies? Search in those dependencies if this class exists. Response is a inner class of AddressingFeature.

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