Description Mark Evans 2004-11-15 18:04:59 EST

When I attempted to run Help -> Help Contents on a newly installed eclipse 
platform, an error message popped and the Error Log captured the traceback 
that follows.  After removing log4j-1.2.9.jar from C:\j2sdk1.4.1_01
\jre\lib\ext the problem goes away.  Is this expected?


org.eclipse.core.runtime.CoreException[0]: 
org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: No suitable Log 
constructor [Ljava.lang.Class;@bb5859 for 
org.apache.commons.logging.impl.Log4JLogger
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance
(LogFactoryImpl.java:532)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance
(LogFactoryImpl.java:272)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:414)
at org.apache.commons.digester.Digester.<init>(Digester.java:346)
at org.apache.catalina.realm.MemoryRealm.getDigester(MemoryRealm.java:278)
at org.apache.catalina.realm.MemoryRealm.start(MemoryRealm.java:348)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1173)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:363)
at org.apache.catalina.startup.Embedded.addEngine(Embedded.java:464)
at org.eclipse.tomcat.internal.TomcatAppServer.start(TomcatAppServer.java:97)
at org.eclipse.help.internal.appserver.AppserverPlugin.startWebappServer
(AppserverPlugin.java:145)
at org.eclipse.help.internal.appserver.AppserverPlugin.getAppServer
(AppserverPlugin.java:42)
at org.eclipse.help.internal.appserver.WebappManager.start
(WebappManager.java:57)
at org.eclipse.help.internal.base.BaseHelpSystem.ensureWebappRunning
(BaseHelpSystem.java:182)
at org.eclipse.help.internal.base.HelpDisplay.displayHelpURL
(HelpDisplay.java:156)
at org.eclipse.help.internal.base.HelpDisplay.displayHelp(HelpDisplay.java:48)
at org.eclipse.help.ui.internal.DefaultHelpUI.displayHelp
(DefaultHelpUI.java:43)
at org.eclipse.ui.help.WorkbenchHelp.displayHelp(WorkbenchHelp.java:210)
at org.eclipse.ui.internal.actions.HelpContentsAction$1.run
(HelpContentsAction.java:78)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at org.eclipse.ui.internal.actions.HelpContentsAction.run
(HelpContentsAction.java:76)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:881)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection
(ActionContributionItem.java:915)
at org.eclipse.jface.action.ActionContributionItem.access$2
(ActionContributionItem.java:866)
at org.eclipse.jface.action.ActionContributionItem$7.handleEvent
(ActionContributionItem.java:785)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:796)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2772)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2431)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run
(PlatformActivator.java:335)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
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:324)
at org.eclipse.core.launcher.Main.basicRun(Main.java:185)
at org.eclipse.core.launcher.Main.run(Main.java:704)
at org.eclipse.core.launcher.Main.main(Main.java:688)
Caused by: org.apache.commons.logging.LogConfigurationException: No suitable 
Log constructor [Ljava.lang.Class;@bb5859 for 
org.apache.commons.logging.impl.Log4JLogger
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor
(LogFactoryImpl.java:432)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance
(LogFactoryImpl.java:525)
... 43 more
Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Logger
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1590)
at java.lang.Class.getConstructor0(Class.java:1762)
at java.lang.Class.getConstructor(Class.java:1002)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor
(LogFactoryImpl.java:429)
... 44 more