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From Nicolas Lalevée (JIRA) <j...@apache.org>
Subject [jira] Updated: (IVYDE-229) Random compilation errors
Date Tue, 12 Jan 2010 17:23:54 GMT

     [ https://issues.apache.org/jira/browse/IVYDE-229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nicolas Lalevée updated IVYDE-229:
----------------------------------

    Description: 
Hi,

we are using RAD 7.5.4 as our development tool and work with the IVY plugin. Now we encounter some problems.
A ticket to IBM was already been opened but after some investigating of them they think the issue is related to the IVY plugin. 
they found some related problems already here : 
https://issues.apache.org/jira/browse/IVYDE-195                         
http://issues.apache.org/jira/browse/IVYDE-221  

problems is as followed : 
* Compile errors sometimes occur out of the blue, all of a sudden libraries on the build path are no longer found 
* In some cases, multiple cleans of the project(s) are necessary to fix the error, sometimes RAD has to be restarted 
* In the worst cases the machine had to be rebooted to fix the error
{noformat}
!ENTRY org.eclipse.core.resources 4 380 2009-11-24 08:38:57.184         
!MESSAGE The resource tree is locked for modifications.                 
                                                                        
!ENTRY org.eclipse.core.resources 4 368 2009-11-24 08:38:57.200         
!MESSAGE Resource '/ICFWeb/src/web/wsdl/2009/09/23/ValueLists.xsd' does 
not exist.                                                              
                                                                        
!ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:44.855             
!MESSAGE IvyDE internal error                                           
!STACK 1                                                                
Java Model Exception: Java Model Status [ICFCommon does not exist]      
 at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)
 at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExistence(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown Source)
 at org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathContainers(Unknown Source)
 at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.projectClosed(Unknown Source)
 at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.resourceChanged(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown Source)
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager.notify(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Resource.delete(Unknown Source)
 at org.eclipse.core.internal.resources.Project.delete(Unknown Source)
 at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown Source)
 at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)
 at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(Unknown Source)
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(Unknown Source)
 at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)
 at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknown Source)
 at org.eclipse.jface.operation.ModalContext.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(Unknown Source)
 at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)
 at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)
 at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)
 at org.eclipse.jface.window.Window.open(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unknown Source)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.execute(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown Source)
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
 at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(Unknown Source)
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown Source)
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown Source)
 at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)     
 at org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown Source)
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown Source)
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown Source)
 at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)
 at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
 at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown Source)
 at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown Source)
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)
 at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
 at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)
 at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)
 at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)
 at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
 at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
 at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
 at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
 at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
 at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)                                                                 
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)                                                                 
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
 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(Unknown Source)
 at org.eclipse.equinox.launcher.Main.basicRun(Unknown Source)
 at org.eclipse.equinox.launcher.Main.run(Unknown Source)
 at org.eclipse.equinox.launcher.Main.main(Unknown Source)
!SUBENTRY 1 org.eclipse.jdt.core 4 969 2009-11-24 08:42:44.855          
!MESSAGE ICFCommon does not exist

!ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:45.776
!MESSAGE IvyDE internal error
!STACK 1
Java Model Exception: Java Model Status [ICFEAR does not exist]
 at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)
 at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExistence(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown Source)
 at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown Source)
 at org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathContainers(Unknown Source)
 at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.projectClosed(Unknown Source)
 at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.resourceChanged(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown Source)
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager.notify(Unknown Source)
 at org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unknown Source)
 at org.eclipse.core.internal.resources.Resource.delete(Unknown Source)
 at org.eclipse.core.internal.resources.Project.delete(Unknown Source)
 at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
 at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown Source)
 at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)
 at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(Unknown Source)
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(Unknown Source)
 at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)
 at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknown Source)
 at org.eclipse.jface.operation.ModalContext.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(Unknown Source)
 at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)
 at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)
 at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)
 at org.eclipse.jface.window.Window.open(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unknown Source)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknown Source)
 at org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.execute(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown Source)
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
 at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(Unknown Source)
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown Source)
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown Source)
 at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)
 at org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown Source)
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown Source)
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown Source)
 at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)
 at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
 at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
 at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown Source)
 at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown Source)
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
 at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)
 at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
 at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)
 at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)
 at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)
 at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
 at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
 at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
 at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
 at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
 at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
 at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
{noformat}

this is what the IBM team answers :
I am afraid this is pretty standard mistake in all projects that try to 
manipulate with Eclipse resources.                                      
                                                                        
3rd party plug-in (apache Ivy) listens to workspace changes. When a     
project is closed (or deleted) it tries to process those changes, and   
tries to read projects info, which is impossible because the project is 
closed (or deleted).                                                    
Ivy is responsible for managing classpath. It uses JDT API to set       
libraries and jars etc. If the exception happens, the workbench is left 
in unpredictable state.                                                                  


Can somebody help us out with this problem

thank you

  was:
Hi,

we are using RAD 7.5.4 as our development tool and work with the IVY plugin. Now we encounter some problems.
A ticket to IBM was already been opened but after some investigating of them they think the issue is related to the IVY plugin. 
they found some related problems already here : 
https://issues.apache.org/jira/browse/IVYDE-195                         
http://issues.apache.org/jira/browse/IVYDE-221  

problems is as followed : 
•	Compile errors sometimes occur out of the blue, all of a sudden libraries on the build path are no longer found 
•	In some cases, multiple cleans of the project(s) are necessary to fix the error, sometimes RAD has to be restarted 
•	In the worst cases the machine had to be rebooted to fix the error 
!ENTRY org.eclipse.core.resources 4 380 2009-11-24 08:38:57.184         
!MESSAGE The resource tree is locked for modifications.                 
                                                                        
!ENTRY org.eclipse.core.resources 4 368 2009-11-24 08:38:57.200         
!MESSAGE Resource '/ICFWeb/src/web/wsdl/2009/09/23/ValueLists.xsd' does 
not exist.                                                              
                                                                        
!ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:44.855             
!MESSAGE IvyDE internal error                                           
!STACK 1                                                                
Java Model Exception: Java Model Status [ICFCommon does not exist]      
 at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)       
 at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)      
 at                                                                     
org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExi
stence(Unknown Source)                                                  
 at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown 
Source)                                                                 
 at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown   
Source)                                                                 
 at                                                                     
org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathCon
tainers(Unknown Source)                                                 
 at                                                                     
org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListen
er.projectClosed(Unknown Source)                                        
 at                                                                     
org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListen
er.resourceChanged(Unknown Source)                                      
 at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown  
Source)                                                                 
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)             
 at org.eclipse.core.internal.events.NotificationManager.notify(Unknown 
Source)                                                                 
 at                                                                     
org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown
Source)                                                                 
 at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unk
nown Source)                                                            
 at org.eclipse.core.internal.resources.Resource.delete(Unknown Source) 
 at org.eclipse.core.internal.resources.Project.delete(Unknown Source)  
 at                                                                     
org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(U
nknown Source)                                                          
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown    
Source)                                                                 
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown    
Source)                                                                 
 at                                                                     
org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown   
Source)                                                                 
 at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)   
 at                                                                     
org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Un
known Source)                                                           
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$
1(Unknown Source)                                                       
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(U
nknown Source)                                                          
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)             
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(U
nknown Source)                                                          
 at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)            
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown       
Source)                                                                 
 at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)    
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at                                                                     
org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknow
n Source)                                                               
 at org.eclipse.jface.operation.ModalContext.run(Unknown Source)        
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unk
nown Source)                                                            
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(U
nknown Source)                                                          
 at                                                                     
org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteReso
urcesRefactoringConfigurationPage.performFinish(Unknown Source)         
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPress
ed(Unknown Source)                                                      
 at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)      
 at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)   
 at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)   
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)        
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)   
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)        
 at org.eclipse.jface.window.Window.open(Unknown Source)                
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unkn
own Source)                                                             
 at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)      
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknow
n Source)                                                               
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.e
xecute(Unknown Source)                                                  
 at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown       
Source)                                                                 
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source) 
 at                                                                     
org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(
Unknown Source)                                                         
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown
Source)                                                                 
 at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)     
 at                                                                     
org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown  
Source)                                                                 
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown      
Source)                                                                 
 at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)        
 at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)    
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source) 
 at                                                                     
org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown   
Source)                                                                 
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
 at                                                                     
org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown  
Source)                                                                 
 at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown 
Source)                                                                 
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)        
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)         
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)         
 at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)            
 at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)          
 at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)             
 at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)          
 at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)             
 at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)          
 at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)   
 at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)   
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)      
 at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)             
 at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)          
 at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)             
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown
Source)                                                                 
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown     
Source)                                                                 
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)     
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown
Source)                                                                 
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown       
Source)                                                                 
 at                                                                     
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplicat
ion(Unknown Source)                                                     
 at                                                                     
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unkno
wn Source)                                                              
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) 
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) 
 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(Unknown Source)   
 at org.eclipse.equinox.launcher.Main.basicRun(Unknown Source)          
 at org.eclipse.equinox.launcher.Main.run(Unknown Source)               
 at org.eclipse.equinox.launcher.Main.main(Unknown Source)              
!SUBENTRY 1 org.eclipse.jdt.core 4 969 2009-11-24 08:42:44.855          
!MESSAGE ICFCommon does not exist                                       
                                                                        
!ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:45.776             
!MESSAGE IvyDE internal error                                           
!STACK 1                                                                
Java Model Exception: Java Model Status [ICFEAR does not exist]         
 at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)       
 at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)      
 at                                                                     
org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExi
stence(Unknown Source)                                                  
 at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown 
Source)                                                                 
 at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown   
Source)                                                                 
 at                                                                     
org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathCon
tainers(Unknown Source)                                                 
 at                                                                     
org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListen
er.projectClosed(Unknown Source)                                        
 at                                                                     
org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListen
er.resourceChanged(Unknown Source)                                      
 at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown  
Source)                                                                 
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)             
 at org.eclipse.core.internal.events.NotificationManager.notify(Unknown 
Source)                                                                 
 at                                                                     
org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown
Source)                                                                 
 at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unk
nown Source)                                                            
 at org.eclipse.core.internal.resources.Resource.delete(Unknown Source) 
 at org.eclipse.core.internal.resources.Project.delete(Unknown Source)  
 at                                                                     
org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(U
nknown Source)                                                          
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown    
Source)                                                                 
 at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown    
Source)                                                                 
 at                                                                     
org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown   
Source)                                                                 
 at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)   
 at                                                                     
org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Un
known Source)                                                           
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$
1(Unknown Source)                                                       
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(U
nknown Source)                                                          
 at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)             
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(U
nknown Source)                                                          
 at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)            
 at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown       
Source)                                                                 
 at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)    
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at                                                                     
org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknow
n Source)                                                               
 at org.eclipse.jface.operation.ModalContext.run(Unknown Source)        
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unk
nown Source)                                                            
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(U
nknown Source)                                                          
 at                                                                     
org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteReso
urcesRefactoringConfigurationPage.performFinish(Unknown Source)         
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPress
ed(Unknown Source)                                                      
 at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)      
 at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)   
 at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)   
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)        
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)   
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)        
 at org.eclipse.jface.window.Window.open(Unknown Source)                
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unkn
own Source)                                                             
 at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)      
 at                                                                     
org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknow
n Source)                                                               
 at                                                                     
org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.e
xecute(Unknown Source)                                                  
 at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown       
Source)                                                                 
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source) 
 at                                                                     
org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(
Unknown Source)                                                         
 at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown
Source)                                                                 
 at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)     
 at                                                                     
org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown  
Source)                                                                 
 at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown      
Source)                                                                 
 at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)        
 at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)    
 at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source) 
 at                                                                     
org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown  
Source)                                                                 
 at                                                                     
org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown   
Source)                                                                 
 at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
 at                                                                     
org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown  
Source)                                                                 
 at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown 
Source)                                                                 
 at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)        
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)            
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)         
 at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)         
 at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)            
 at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)          
 at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)             
 at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)          
 at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)             
 at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)          
 at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)   
 at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)   
 at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     
 at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)      
 at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)             
 at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)          
 at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)             
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown
Source)                                                                 
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown     
Source)                                                                 
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)     
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown
Source)                                                                 
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown       
Source)                                                                 
 at                                                                     
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplicat
ion(Unknown Source)                                                     
 at                                                                     
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unkno
wn Source)                                                              
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) 
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source) 
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

this is what the IBM team answers :
I am afraid this is pretty standard mistake in all projects that try to 
manipulate with Eclipse resources.                                      
                                                                        
3rd party plug-in (apache Ivy) listens to workspace changes. When a     
project is closed (or deleted) it tries to process those changes, and   
tries to read projects info, which is impossible because the project is 
closed (or deleted).                                                    
Ivy is responsible for managing classpath. It uses JDT API to set       
libraries and jars etc. If the exception happens, the workbench is left 
in unpredictable state.                                                                  


Can somebody help us out with this problem

thank you


> Random compilation errors
> -------------------------
>
>                 Key: IVYDE-229
>                 URL: https://issues.apache.org/jira/browse/IVYDE-229
>             Project: IvyDE
>          Issue Type: Bug
>          Components: classpath container
>    Affects Versions: 2.0.0.final
>         Environment: we use Windows XP sp2 as operating system with RAD 7.5.4 as software development tool
>            Reporter: Jonas Brisart
>
> Hi,
> we are using RAD 7.5.4 as our development tool and work with the IVY plugin. Now we encounter some problems.
> A ticket to IBM was already been opened but after some investigating of them they think the issue is related to the IVY plugin. 
> they found some related problems already here : 
> https://issues.apache.org/jira/browse/IVYDE-195                         
> http://issues.apache.org/jira/browse/IVYDE-221  
> problems is as followed : 
> * Compile errors sometimes occur out of the blue, all of a sudden libraries on the build path are no longer found 
> * In some cases, multiple cleans of the project(s) are necessary to fix the error, sometimes RAD has to be restarted 
> * In the worst cases the machine had to be rebooted to fix the error
> {noformat}
> !ENTRY org.eclipse.core.resources 4 380 2009-11-24 08:38:57.184         
> !MESSAGE The resource tree is locked for modifications.                 
>                                                                         
> !ENTRY org.eclipse.core.resources 4 368 2009-11-24 08:38:57.200         
> !MESSAGE Resource '/ICFWeb/src/web/wsdl/2009/09/23/ValueLists.xsd' does 
> not exist.                                                              
>                                                                         
> !ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:44.855             
> !MESSAGE IvyDE internal error                                           
> !STACK 1                                                                
> Java Model Exception: Java Model Status [ICFCommon does not exist]      
>  at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)
>  at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExistence(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown Source)
>  at org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathContainers(Unknown Source)
>  at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.projectClosed(Unknown Source)
>  at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.resourceChanged(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown Source)
>  at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager.notify(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Resource.delete(Unknown Source)
>  at org.eclipse.core.internal.resources.Project.delete(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown Source)
>  at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(Unknown Source)
>  at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(Unknown Source)
>  at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)
>  at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)
>  at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknown Source)
>  at org.eclipse.jface.operation.ModalContext.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(Unknown Source)
>  at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)
>  at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)
>  at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
>  at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)
>  at org.eclipse.jface.window.Window.open(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unknown Source)
>  at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.execute(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown Source)
>  at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
>  at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(Unknown Source)
>  at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown Source)
>  at org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown Source)
>  at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)     
>  at org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown Source)
>  at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown Source)
>  at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown Source)
>  at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)
>  at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)
>  at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
>  at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown Source)
>  at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown Source)
>  at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)
>  at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
>  at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)
>  at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)
>  at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)
>  at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
>  at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
>  at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
>  at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)
>  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)                                                                 
>  at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
>  at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)                                                                 
>  at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
>  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
>  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
>  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
>  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
>  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(Unknown Source)
>  at org.eclipse.equinox.launcher.Main.basicRun(Unknown Source)
>  at org.eclipse.equinox.launcher.Main.run(Unknown Source)
>  at org.eclipse.equinox.launcher.Main.main(Unknown Source)
> !SUBENTRY 1 org.eclipse.jdt.core 4 969 2009-11-24 08:42:44.855          
> !MESSAGE ICFCommon does not exist
> !ENTRY org.apache.ivyde.eclipse 4 0 2009-11-24 08:42:45.776
> !MESSAGE IvyDE internal error
> !STACK 1
> Java Model Exception: Java Model Status [ICFEAR does not exist]
>  at org.eclipse.core.runtime.CoreException.<init>(Unknown Source)
>  at org.eclipse.jdt.core.JavaModelException.<init>(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaModelManager.getPerProjectInfoCheckExistence(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaProject.getPerProjectInfo(Unknown Source)
>  at org.eclipse.jdt.internal.core.JavaProject.getRawClasspath(Unknown Source)
>  at org.apache.ivyde.eclipse.cpcontainer.IvyClasspathUtil.getIvyClasspathContainers(Unknown Source)
>  at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.projectClosed(Unknown Source)
>  at org.apache.ivyde.eclipse.workspaceresolver.WorkspaceResourceChangeListener.resourceChanged(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager$2.run(Unknown Source)
>  at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager.notify(Unknown Source)
>  at org.eclipse.core.internal.events.NotificationManager.handleEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Unknown Source)
>  at org.eclipse.core.internal.resources.Resource.delete(Unknown Source)
>  at org.eclipse.core.internal.resources.Project.delete(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.CompositeChange.perform(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(Unknown Source)
>  at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)
>  at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(Unknown Source)
>  at org.eclipse.core.runtime.SafeRunner.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(Unknown Source)
>  at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)
>  at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)
>  at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(Unknown Source)
>  at org.eclipse.jface.operation.ModalContext.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(Unknown Source)
>  at org.eclipse.jface.dialogs.Dialog.buttonPressed(Unknown Source)
>  at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)
>  at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
>  at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)
>  at org.eclipse.jface.window.Window.open(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(Unknown Source)
>  at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
>  at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(Unknown Source)
>  at org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.execute(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerProxy.execute(Unknown Source)
>  at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
>  at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(Unknown Source)
>  at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(Unknown Source)
>  at org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(Unknown Source)
>  at org.eclipse.ui.actions.DeleteResourceAction.run(Unknown Source)
>  at org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction.run(Unknown Source)
>  at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(Unknown Source)
>  at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Unknown Source)
>  at org.eclipse.jface.action.Action.runWithEvent(Unknown Source)
>  at org.eclipse.jface.commands.ActionHandler.execute(Unknown Source)
>  at org.eclipse.core.commands.Command.executeWithChecks(Unknown Source)
>  at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(Unknown Source)
>  at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(Unknown Source)
>  at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(Unknown Source)
>  at org.eclipse.ui.internal.keys.OutOfOrderListener.handleEvent(Unknown Source)
>  at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.sendKeyEvent(Unknown Source)
>  at org.eclipse.swt.widgets.Widget.wmKeyDown(Unknown Source)
>  at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
>  at org.eclipse.swt.widgets.Tree.WM_KEYDOWN(Unknown Source)
>  at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)
>  at org.eclipse.swt.widgets.Tree.windowProc(Unknown Source)
>  at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
>  at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
>  at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
>  at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
>  at org.eclipse.ui.internal.Workbench$5.run(Unknown Source)
>  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
>  at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
>  at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
>  at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)
>  at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
>  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
>  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
>  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
>  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {noformat}
> this is what the IBM team answers :
> I am afraid this is pretty standard mistake in all projects that try to 
> manipulate with Eclipse resources.                                      
>                                                                         
> 3rd party plug-in (apache Ivy) listens to workspace changes. When a     
> project is closed (or deleted) it tries to process those changes, and   
> tries to read projects info, which is impossible because the project is 
> closed (or deleted).                                                    
> Ivy is responsible for managing classpath. It uses JDT API to set       
> libraries and jars etc. If the exception happens, the workbench is left 
> in unpredictable state.                                                                  
> Can somebody help us out with this problem
> thank you

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