Eclipse RCP application starts only as administrator - java

A few days ago we decided to start using Guava in our Eclipse RCP application. I downloaded guava-14.0.1.jar from http://central.maven.org/maven2/com/google/guava/guava/14.0.1/.
After I had started eclipse.exe the application crashed. The .metadata/.log file contained the following errors:
!ENTRY org.eclipse.osgi 4 0 2013-08-12 15:56:32.033
!MESSAGE Application error
!STACK 1
java.lang.NoClassDefFoundError: com/google/common/base/Optional
at com.treeage.treeagepro.license.LicenseLevel.<clinit>(Unknown Source)
at com.treeage.treeagepro.license.LicenseInfo.<init>(Unknown Source)
at com.treeage.treeagepro.license.LicenseManager.<init>(Unknown Source)
at com.treeage.treeagepro.license.LicenseManager.getManager(Unknown Source)
at com.treeage.treeagepro.app.ApplicationWorkbenchAdvisor.initialize(Unknown Source)
at org.eclipse.ui.application.WorkbenchAdvisor.internalBasicInitialize(WorkbenchAdvisor.java:188)
at org.eclipse.ui.internal.Workbench$28.runWithException(Workbench.java:1541)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4144)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2609)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at com.treeage.treeagepro.app.Application.start(Unknown Source)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
Caused by: java.lang.ClassNotFoundException: com.google.common.base.Optional
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 31 more
There is no error if the application is running as an administrator.
The application is 64 bit, so this is not an UAC virtualization issue. But it looks like the problem is somehow connected with permissions.
guava-14.0.1.jar seems to be a valid OSGi bundle: https://code.google.com/p/guava-libraries/issues/detail?id=688 (At least I found all necessary headers in MANIFEST.MF)
Any suggestions?


I fixed my problem by wiping out C:\Users\<user_name>\.eclipse folder. It looks like the problem was somehow connected with OSGi (Equinox) temporary directories.


Double check if you have included the bundle in the feature that you are using in the product configuration of your RCP.
Double check if you are using the right symbolic name and if you are requiring the right version.
I had a problem like yours because the guava jar was not being copied properly to the target platform at build time.
In my case I had to add the following in the feature.xml to ensure the version 0.14.1 was being copied since Eclipse Xtext and other components uses an older one:
<requires>
<import plugin="com.google.guava" version="0.14.1"/>
....
</requires>
<plugin
id="com.google.guava"
download-size="0"
install-size="0"
version="0.0.0"
unpack="false"/>


Based on your last comment, I'd think this isn't Java or OSGi related, but probably just a filesystem permission issue.
You may want to:
check that particular folder and its subfolders and files for unusal permission requirements (right-click, properties, security tab),
delete the entire folder, recreate it, and try again to check for a different outcome.

Related

Eclipse Neon Error: Nullpointerexception when adding Lucene 6.6 dependencies to build path (org.eclipse.jface)

I'm developing with lucene 6.6 in eclipse neon 3 and when i add different lucene jars (e.g. lucene-6.6.0-core.jar) to the build path of my project i get a popup with a nullpointerexception. It then happens everytime i select the project or content within it. Confusingly my error log is not mentioning lucene but a plugin called "org.eclipse.jface":
!ENTRY org.eclipse.jface 4 2 2017-07-17 10:29:55.989 !MESSAGE Problems
occurred when invoking code from plug-in: "org.eclipse.jface". !STACK
0 java.lang.NullPointerException at
org.eclipse.jst.jee.ui.internal.navigator.web.WebAppProvider.getImage(WebAppProvider.java:99)
at
org.eclipse.jst.jee.ui.internal.navigator.Web25LabelProvider.getImage(Web25LabelProvider.java:47)
at
org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.findImage(NavigatorContentServiceLabelProvider.java:199)
at
org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getColumnImage(NavigatorContentServiceLabelProvider.java:107)
at
org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getImage(NavigatorContentServiceLabelProvider.java:99)
at
org.eclipse.ui.internal.navigator.NavigatorDecoratingLabelProvider$StyledLabelProviderAdapter.getImage(NavigatorDecoratingLabelProvider.java:57)
at
org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.getImage(DelegatingStyledCellLabelProvider.java:195)
at
org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.getImage(DecoratingStyledCellLabelProvider.java:168)
at
org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:121)
at
org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:131)
at
org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:141)
at
org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:949)
at
org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:118)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at
org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at
org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at
org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1029)
at
org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:474)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at
org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at
org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at
org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2170)
at
org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:843)
at
org.eclipse.jface.viewers.AbstractTreeViewer.createAddedElements(AbstractTreeViewer.java:416)
at
org.eclipse.jface.viewers.AbstractTreeViewer.internalAdd(AbstractTreeViewer.java:285)
at
org.eclipse.jface.viewers.TreeViewer.internalAdd(TreeViewer.java:615)
at
org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:160)
at org.eclipse.ui.navigator.CommonViewer.add(CommonViewer.java:302)
at
org.eclipse.jst.j2ee.navigator.internal.ClearPlaceHolderJob.runInUIThread(ClearPlaceHolderJob.java:42)
at
org.eclipse.jst.jee.ui.internal.navigator.ClearJeePlaceHolderJob.runInUIThread(ClearJeePlaceHolderJob.java:32)
at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:97) at
org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4211)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3827)
at
org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at
org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
at
org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693) at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
at
org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at
java.lang.reflect.Method.invoke(Unknown Source) at
org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) at
org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) at
org.eclipse.equinox.launcher.Main.run(Main.java:1519)
Is this a bug in eclipse or lucene? I found other topics about this plubing but it didn't help me a lot. Of course i tried things like cleaning the project etc. Does anyone know how i can solve this? I am in badly need to continue my development of my lucene app.

Ok, it seems like this problem was the consequence of another problem in my project: Eclipse could not load the project descriptor, because the web.xml had an error. Since i fixed this the other error is also gone.

Can't open workspace in eclipse [duplicate]

This question already has answers here:
Eclipse won't start, log error says: ObjectNotFoundException: Tree element
(14 answers)
Closed 5 years ago.
During my work in eclipse kepler it crashed.
Now I can't open eclipse on the requested workspace (on other work space it open fine).
After choosing a workspace I get a pop up message:
An error has occurred. see the log file. ...WORKSPACE/.metadata/.log
Opening the log file:
!SESSION 2015-03-19 17:10:55.171 -----------------------------------------------
eclipse.buildId=4.3.0.I20130605-2000
java.version=1.7.0_71
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.core.resources 2 10035 2015-03-19 17:10:58.594
!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
!ENTRY org.eclipse.osgi 4 0 2015-03-19 17:10:58.910
!MESSAGE An error occurred while automatically activating bundle org.eclipse.core.resources (82).
!STACK 0
org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:478)
at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:125)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
Caused by: org.eclipse.core.internal.dtree.ObjectNotFoundException: Tree element '/Servers/Tomcat v7.0 Server at localhost-config/web.xml' not found.
at org.eclipse.core.internal.dtree.AbstractDataTree.handleNotFound(AbstractDataTree.java:257)
at org.eclipse.core.internal.dtree.DeltaDataTree.getData(DeltaDataTree.java:585)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:50)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.NoDataDeltaNode.asBackwardDelta(NoDataDeltaNode.java:59)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.DeltaDataTree.asBackwardDelta(DeltaDataTree.java:88)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:816)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
.
.
.
.
.
.
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:792)
at org.eclipse.core.internal.watson.ElementTree.immutable(ElementTree.java:518)
at org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:710)
at org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1530)
at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2503)
at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2252)
at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:439)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
... 29 more
Root exception:
org.eclipse.core.internal.dtree.ObjectNotFoundException: Tree element '/Servers/Tomcat v7.0 Server at localhost-config/web.xml' not found.
at org.eclipse.core.internal.dtree.AbstractDataTree.handleNotFound(AbstractDataTree.java:257)
at org.eclipse.core.internal.dtree.DeltaDataTree.getData(DeltaDataTree.java:585)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:50)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.NoDataDeltaNode.asBackwardDelta(NoDataDeltaNode.java:59)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.DeltaDataTree.asBackwardDelta(DeltaDataTree.java:88)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:816)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
.
.
.
.
.
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:792)
at org.eclipse.core.internal.watson.ElementTree.immutable(ElementTree.java:518)
at org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:710)
at org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1530)
at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2503)
at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2252)
at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:439)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:478)
at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:125)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
!ENTRY org.eclipse.osgi 4 0 2015-03-19 17:10:58.969
!MESSAGE Application error
!STACK 1
java.lang.NoClassDefFoundError: org/eclipse/core/resources/IContainer
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:125)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
Caused by: org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.core.resources (82).
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:124)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 14 more
Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:478)
at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)
... 23 more
Caused by: org.eclipse.core.internal.dtree.ObjectNotFoundException: Tree element '/Servers/Tomcat v7.0 Server at localhost-config/web.xml' not found.
at org.eclipse.core.internal.dtree.AbstractDataTree.handleNotFound(AbstractDataTree.java:257)
at org.eclipse.core.internal.dtree.DeltaDataTree.getData(DeltaDataTree.java:585)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:50)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.NoDataDeltaNode.asBackwardDelta(NoDataDeltaNode.java:59)
at org.eclipse.core.internal.dtree.DataDeltaNode.asBackwardDelta(DataDeltaNode.java:47)
at org.eclipse.core.internal.dtree.DeltaDataTree.asBackwardDelta(DeltaDataTree.java:88)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:816)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
.
.
.
.
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:815)
at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:792)
at org.eclipse.core.internal.watson.ElementTree.immutable(ElementTree.java:518)
at org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:710)
at org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1530)
at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2503)
at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2252)
at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:439)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
... 29 more
I tried to restart my computer twice (verify no file is locked).
I tried to remove the server folder.
My latest work isn't committed to SVN.
Any suggestion?
Thanks,

Found a solution!
I deleted the file: /.metadata/.plugins/org.eclipse.core.resources/.snap and it solved the problem.
Thanks!

It works after deleting .snap from .metadata\.plugins\org.eclipse.core.resources

I think this an error you can't get on it.
Try to move all the work in your workspace in a new workspace because it has to do with the bundle, that is the reason it as crashed previously and it won't work on the same workspace

Delete your workspace. Then open eclipse.
Take Backup before delete.

I'm running Red Hat Jboss Developer Studio 10.0 (a bundled version of Eclipse), and had this same problem.
Deleting the *.snap file in C:\workspace.metadata.plugins\org.eclipse.core.resources worked for me. (This is after an unexpected restart that wouldn't allow me to acknowledge the last Eclipse shut-down pop-up.)
As to why deleting it works, according to What are *.snap files in eclipse?:
"*.snap files represent the changes in workspace state of the IDE during the runtime. This is mostly for eclipse crash recovery plan. When a crash happens these files are used to recover the state of the eclipse workspace."
Apparently, if the crash is severe enough, the snap(shot?) file gets corrupted, and cannot get back to a last good state. But getting Eclipse up at all is better than nothing. You many need to re-import your projects (I had to import my latest one).

org.eclipse.swt.SWTException: “Widget is disposed” when trying to open AndroidManifest.xml

I am running Windows 8 and using Eclipse Kepler Release to create android application.
When I click on the AndroidManifest.xml file in my project, I receive an alert which shows the following error message:
Problems occurred when invoking code from plug-in: "org.eclipse.e4.ui.workbench.swt".
Exception Stack Trace:
org.eclipse.e4.core.di.InjectionException: org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:63)
at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:88)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:107)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:328)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:342)
at org.eclipse.e4.core.internal.contexts.EclipseContext.activate(EclipseContext.java:625)
at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener$2.run(ShellActivationListener.java:120)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.activate(ShellActivationListener.java:117)
at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.handleEvent(ShellActivationListener.java:73)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1056)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1081)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
at org.eclipse.swt.widgets.Decorations.WM_ACTIVATE(Decorations.java:1667)
at org.eclipse.swt.widgets.Shell.WM_ACTIVATE(Shell.java:2151)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4608)
at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340)
at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1627)
at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2075)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4977)
at org.eclipse.swt.internal.win32.OS.BringWindowToTop(Native Method)
at org.eclipse.swt.widgets.Decorations.bringToTop(Decorations.java:231)
at org.eclipse.swt.widgets.Shell.open(Shell.java:1217)
at org.eclipse.jface.window.Window.open(Window.java:798)
at org.eclipse.ui.internal.statushandlers.InternalDialog.open(InternalDialog.java:327)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:270)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197)
at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:156)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:101)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.handle(WorkbenchErrorHandler.java:57)
at org.eclipse.ui.internal.ide.IDEWorkbenchErrorHandler.handle(IDEWorkbenchErrorHandler.java:108)
at org.eclipse.ui.internal.WorkbenchErrorHandlerProxy.handle(WorkbenchErrorHandlerProxy.java:36)
at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:189)
at org.eclipse.ui.internal.JFaceUtil$3.show(JFaceUtil.java:70)
at org.eclipse.jface.util.SafeRunnable.handleException(SafeRunnable.java:67)
at org.eclipse.core.runtime.SafeRunner.handleException(SafeRunner.java:75)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:44)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:864)
at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1152)
at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1256)
at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:275)
at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:269)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:309)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
Caused by: org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.swt.SWT.error(SWT.java:4397)
at org.eclipse.swt.SWT.error(SWT.java:4312)
at org.eclipse.swt.SWT.error(SWT.java:4283)
at org.eclipse.swt.widgets.Widget.error(Widget.java:472)
at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:344)
at org.eclipse.swt.widgets.Widget.addDisposeListener(Widget.java:214)
at org.eclipse.e4.ui.css.swt.engine.CSSSWTEngineImpl.hookNativeWidget(CSSSWTEngineImpl.java:52)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.getElement(AbstractCSSEngine.java:919)
at org.eclipse.e4.ui.css.core.dom.ElementAdapter.getElement(ElementAdapter.java:336)
at org.eclipse.e4.ui.css.swt.dom.CTabFolderElement.item(CTabFolderElement.java:52)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:481)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:405)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:481)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:405)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:481)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:405)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:481)
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:405)
at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:497)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$10.setClassnameAndId(PartRenderingEngine.java:1267)
at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:92)
at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.styleStack(WBWRenderer.java:179)
at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.trackActivePart(WBWRenderer.java:148)
at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
... 71 more

Restarting the Eclipse IDE solved the problem.

Eclipse - Kepler / Luna / Mars
for me I went to
...\.metadata.plugins\org.eclipse.e4.workbench // folder locaiton.
and deleted all the content of
workbench.xmi
and restarted the application.
Worked for me hopefully will work for you.
Note: Good to take back up before making changes.

Start Eclipse via command prompt by entering command: eclipse -clean solved my problem.

It's much better close the Eclipse and start the Eclipse again rather than restart the Eclipse, it will work faster.

I did little bit change on the file name.
/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi
above is the original name of workbench.xmi
I rename that on workbenchold.xmi which work for me.
once you rename it must update your eclipse and plugins from the marketplace plus do little bit your 'show view' settings.

Clean a server and restart eclips IDE.

1. Close Eclipse
2. cd <work-project>
3. mvn clean install
4. Start Eclipse

Error opening Debug in Preferences in Eclipse

I got this error when I opened the Debug tab inside the Preferences in Eclipse, Does anyone know what happened?
ps:. This happened after I did the Update.
EDIT:
!SUBENTRY 1 org.eclipse.equinox.registry 4 1 2012-02-12 15:21:50.290
!MESSAGE Plug-in org.eclipse.jdt.debug.ui was unable to load class org.eclipse.jdt.debug.ui.launchConfigurations.JavaApplicationLaunchShortcut.
!STACK 0
org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.jdt.debug.ui (258).
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:122)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchShortcutExtension.getDelegate(LaunchShortcutExtension.java:410)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchShortcutExtension.getLaunchableResource(LaunchShortcutExtension.java:516)
at org.eclipse.debug.internal.ui.contextlaunching.LaunchingResourceManager.getLaunchableResource(LaunchingResourceManager.java:417)
at org.eclipse.debug.internal.ui.contextlaunching.ContextRunner.selectAndLaunch(ContextRunner.java:117)
at org.eclipse.debug.internal.ui.contextlaunching.ContextRunner.selectAndLaunch(ContextRunner.java:164)
at org.eclipse.debug.internal.ui.contextlaunching.ContextRunner.launch(ContextRunner.java:82)
at org.eclipse.debug.ui.actions.AbstractLaunchToolbarAction.run(AbstractLaunchToolbarAction.java:79)
at org.eclipse.debug.ui.actions.AbstractLaunchHistoryAction.runWithEvent(AbstractLaunchHistoryAction.java:404)
at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:241)
at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:452)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: org.osgi.framework.BundleException: The activator org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin for bundle org.eclipse.jdt.debug.ui is invalid
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:171)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
... 53 more
Caused by: java.lang.NoClassDefFoundError: org/eclipse/jdt/debug/core/IJavaHotCodeReplaceListener
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:166)
... 59 more
Caused by: java.lang.ClassNotFoundException: org.eclipse.jdt.debug.core.IJavaHotCodeReplaceListener
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 65 more

I had this problem on Ubuntu 12.04 after OpenJDK was updated.
Found solution here:
https://askubuntu.com/questions/186986/eclipse-has-multiple-issues-after-jre-6-openjdk-upgrade
Just run:
sudo apt-get --reinstall install tzdata-java

same problem happened in my windows 8..
solution :
just restart the IDE the problem will get resolved .

Looks like a similar issue was discussed here: http://www.eclipse.org/forums/index.php/mv/msg/156204/530834/
Seems like deleting the file ".metadata/.plugins/org.eclipse.core.resources/.snap" could fix the problem.

I ran into the same problem on Mac OS X 10.5.8 running on an old PPC "cheese grater" after upgrading Eclipse 4.3 / Kepler to run on OpenJDK 1.7. Hit it on the Installed JREs tab.
I found the answer in https://askubuntu.com/questions/186986/eclipse-has-multiple-issues-after-jre-6-openjdk-upgrade. Add the following to end of your eclipse.ini:
-Dcom.ibm.icu.util.TimeZone.DefaultTimeZoneType=ICU

I resolved this issue by changing permission recursively on the STS directory and then changing the eclipse default jre to point to my java installation.

On linux system, such problems happen, when eclipse has problem accessing JVM, i.e. no permission to access the jre/jdk dir. so fix file permission will help.

Eclipse RCP connecting to oracle

I am trying to create simple database application using Eclipse RCP with Oracle in the back end. I have kept ojdbc14.jar in the classpath of eclipse and its showing me the class when I press
Cntr-Shift-T
It show the class oracle.jdbc.driver.OracleDriver present in the classpath
But when I run my program its showing error message as
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:506)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at veridinview.model.ModelProvider.<init>(ModelProvider.java:37)
at veridinview.model.ModelProvider.getInstance(ModelProvider.java:88)
at veridinview.View.createPartControl(View.java:154)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:375)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:229)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)
at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:529)
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1254)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1207)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1606)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:647)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:574)
at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568)
at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:272)
at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:981)
at org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2632)
at org.eclipse.ui.internal.WorkbenchWindow$27.run(WorkbenchWindow.java:2986)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2967)
at org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:771)
at org.eclipse.ui.internal.Workbench$23.runWithException(Workbench.java:1221)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$31.runWithException(Workbench.java:1567)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2548)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at veridinview.Application.start(Application.java:20)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
Where can I put my Jar file so that eclipse RCP can see it?
Oracle version- 10g express
OS: windows 7

Where can I put my Jar file so that eclipse RCP can see it?
In an RCP project you can not include JAR Files directly. One way to include is create separate plug-in project from JAR file and include that new created plug-in as Dependency.
Please Refer Cannot connect MySQL in Eclipse RCP IDE

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