[jira] Commented: (DIRSTUDIO-287) NullPointerException raised by ValueEditorsPreferences.getSyntaxValueEditorMap(...) method

["Stefan Seelmann (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRSTUDIO-287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578240#action_12578240 ] 

Stefan Seelmann commented on DIRSTUDIO-287:
-------------------------------------------

I found the cause: We use the java.beans.XMLDecoder and java.beans.XMLEncoder to serialize some beans to XML. But I renamed some classes (see http://svn.apache.org/viewvc?view=rev&revision=609212), so it is no more possible to create instances of the serialized objects. There was the very same problem as I refactored the connection classes, sorry my fault.

To solve this I will:
- Restore the old classes (and mark them as deprecated) to make it possible to read the configuration of older versions of Studio
- Write our own serializing code to get rid of the XMLEncoder and XMLDecoder.


> NullPointerException raised by ValueEditorsPreferences.getSyntaxValueEditorMap(...) method
> ------------------------------------------------------------------------------------------
>
>                 Key: DIRSTUDIO-287
>                 URL: https://issues.apache.org/jira/browse/DIRSTUDIO-287
>             Project: Directory Studio
>          Issue Type: Bug
>          Components: studio-ldapbrowser
>    Affects Versions: 1.0.1
>         Environment: Studio Version: 1.1.0.v20080218, MacOS X 10.5.2, Java 1.5.0_13 and OpenDS 1.0.0- build010
>            Reporter: Pierre-Arnaud Marcelot
>            Assignee: Stefan Seelmann
>             Fix For: 1.1.0
>
>         Attachments: patch.txt
>
>
> Bug reported on the ML by Ludovic Poitou
> Original discussion can be found here: http://markmail.org/message/sxb3snxtc3uepwop
> Here's the log he submitted
> !ENTRY org.eclipse.jface 4 2 2008-02-28 18:59:33.893
> !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
> !STACK 0
> java.lang.NullPointerException
> at org.apache.directory.studio.ldapbrowser.common.ValueEditorsPreferences.getSyntaxValueEditorMap(ValueEditorsPreferences.java:140)
> at org.apache.directory.studio.valueeditors.ValueEditorManager.getCurrentValueEditor(ValueEditorManager.java:215)
> at org.apache.directory.studio.valueeditors.ValueEditorManager.getCurrentValueEditor(ValueEditorManager.java:246)
> at org.apache.directory.studio.valueeditors.ValueEditorManager.getCurrentValueEditor(ValueEditorManager.java:260)
> at org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetLabelProvider.getColumnText(EntryEditorWidgetLabelProvider.java:96)
> at org.eclipse.jface.viewers.TableColumnViewerLabelProvider.update(TableColumnViewerLabelProvider.java:70)
> at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:135)
> at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:911)
> at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:97)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> at org.eclipse.core.runtime.Platform.run(Platform.java:857)
> at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:46)
> at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:199)
> at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:991)
> at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:466)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> at org.eclipse.core.runtime.Platform.run(Platform.java:857)
> at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:46)
> at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:199)
> at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2026)
> at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:806)
> at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren(AbstractTreeViewer.java:2628)
> at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1829)
> at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:704)
> at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1804)
> at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1760)
> at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1746)
> at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1433)
> at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1368)
> at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:390)
> at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1330)
> at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1431)
> at org.eclipse.jface.viewers.ColumnViewer.refresh(ColumnViewer.java:536)
> at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1390)
> at org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetUniversalListener.entryUpdated(EntryEditorWidgetUniversalListener.java:184)
> at org.apache.directory.studio.ldapbrowser.ui.editors.entry.EntryEditorUniversalListener.entryUpdated(EntryEditorUniversalListener.java:253)
> at org.apache.directory.studio.ldapbrowser.core.events.EventRegistry$4.run(EventRegistry.java:350)
> at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
> at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3214)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2958)
> at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
> at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
> at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
> at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
> at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> at org.apache.directory.studio.Application.run(Application.java:57)
> 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:585)
> at org.eclipse.equinox.internal.app.EclipseAppContainer.callMethod(EclipseAppContainer.java:572)
> at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:171)
> at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
> at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
> at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
> at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
> 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:585)
> at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1173)

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