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I installed M5 SDK, and the M5 examples ok. Imported all binary plugins. Then I installed the CDT binaries and source (cdt-200301270556). Tried to import the CDT binary plugins and got a null pointer exception. Although there are two NPEs in this log I only recall being notified about the last one. !SESSION Feb 07, 2003 16:34:39.98 --------------------------------------------- - java.version=1.4.1-rc java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Command-line arguments: -os win32 -ws win32 -arch x86 -install file:C:/Program Files/eclipse/ !ENTRY org.eclipse.core.resources 4 2 Feb 07, 2003 16:34:39.98 !MESSAGE Problems occurred when invoking code from plug- in: "org.eclipse.core.resources". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.core.DeltaProcessor.updateRoots (DeltaProcessor.java:2194) at org.eclipse.jdt.internal.core.DeltaProcessor.updateCurrentDeltaAndIndex (DeltaProcessor.java:1941) at org.eclipse.jdt.internal.core.DeltaProcessor.traverseDelta (DeltaProcessor.java:1745) at org.eclipse.jdt.internal.core.DeltaProcessor.processResourceDelta (DeltaProcessor.java:1404) at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged (DeltaProcessor.java:1670) at org.eclipse.core.internal.events.NotificationManager$1.run (NotificationManager.java:137) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:867) at org.eclipse.core.runtime.Platform.run(Platform.java:413) at org.eclipse.core.internal.events.NotificationManager.notify (NotificationManager.java:152) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges (NotificationManager.java:67) at org.eclipse.core.internal.resources.Workspace.broadcastChanges (Workspace.java:161) at org.eclipse.core.internal.resources.Workspace.endOperation (Workspace.java:892) at org.eclipse.core.internal.resources.Workspace.run (Workspace.java:1593) at org.eclipse.ui.actions.WorkspaceModifyOperation.run (WorkspaceModifyOperation.java:79) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run (ModalContext.java:95) !SESSION Feb 07, 2003 16:42:30.934 -------------------------------------------- - java.version=1.4.1-rc java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Command-line arguments: -os win32 -ws win32 -arch x86 -install file:C:/Program Files/eclipse/ !ENTRY org.eclipse.pde.ui 4 0 Feb 07, 2003 16:42:30.934 !MESSAGE java.lang.NullPointerException !STACK 0 java.lang.NullPointerException at org.eclipse.pde.internal.ui.wizards.imports.UpdateClasspathOperation.getSourceP ath(UpdateClasspathOperation.java:64) at org.eclipse.pde.internal.ui.wizards.imports.PluginImportOperation.importSource (PluginImportOperation.java:287) at org.eclipse.pde.internal.ui.wizards.imports.PluginImportOperation.createProject (PluginImportOperation.java:179) at org.eclipse.pde.internal.ui.wizards.imports.PluginImportOperation.run (PluginImportOperation.java:119) at org.eclipse.core.internal.resources.Workspace.run (Workspace.java:1588) at org.eclipse.pde.internal.ui.wizards.imports.PluginImportWizard$2.run (PluginImportWizard.java:150) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run (ModalContext.java:95)
Fixed the PDE NPE. There also seems to be a JDT core NPE. Moving to JDT Core...
To reproduce the first NPE: 1. Create simple project P1 2. Create folder lib in P1 3. Create Java project P2 with rt.jar as external library (not as a JRE System library) 4. Add P1/lib in the classpath of P2 5. Exit/restart workbench 6. Delete P1 Observe: You get the first NPE.
Fixed DeltaProcessor.initializeRoots() to initialize oldRoots with a new HashMap if the previous roots were not set. Added regression test JavaElementDeltaTests.testRemoveNonJavaProjectUpdateDependent3()
Verified.