| 3.1 Help stopped opening, HTTP 500 server error. Tomcat problem? [message #295358] |
Mon, 28 November 2005 16:22 |
Eclipse User |
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My system:
Windows XP SP1
Java 1.4.2 (IBM variety)
Eclipse 3.1.x, Eclipse 3.0, Eclipse 2.1.3 and multiple other eclipse-based
products
Suddenly, all of my 3.1 builds (and my company's 3.1-based products) fail to
launch the Help on my system. When I launch Help from Eclipse 2.1.3 or 3.0,
everything works fine. These Eclipse 3.1 installations have successfully
launched Help in the past.
I get a HTTP 500 Internal Server Error when I open the Help. For the life of
me (and several others), we can't figure out what's going on.
- I am not using a proxy.
- Nothing is written to workspace log, though one time I got this exception
that occurred when starting the application server:
============================================================
!ENTRY org.eclipse.help.base 4 0 2005-11-28 14:40:34.477
!MESSAGE The embedded application server could not run help web application.
!STACK 1
org.eclipse.core.runtime.CoreException: Exception occurred starting
application server.
at
org.eclipse.tomcat.internal.TomcatAppServer.start(TomcatAppS erver.java:270)
at
org.eclipse.help.internal.appserver.AppserverPlugin.startWeb appServer(Appser
verPlugin.java:143)
at
org.eclipse.help.internal.appserver.AppserverPlugin.getAppSe rver(AppserverPl
ugin.java:41)
at
org.eclipse.help.internal.appserver.WebappManager.start(Weba ppManager.java:5
8)
at
org.eclipse.help.internal.base.BaseHelpSystem.ensureWebappRu nning(BaseHelpSy
stem.java:245)
at
org.eclipse.help.internal.base.HelpDisplay.displayHelpURL(He lpDisplay.java:1
64)
at
org.eclipse.help.internal.base.HelpDisplay.displayHelp(HelpD isplay.java:54)
at
org.eclipse.help.ui.internal.DefaultHelpUI.displayHelp(Defau ltHelpUI.java:12
6)
at
org.eclipse.ui.internal.help.WorkbenchHelpSystem.displayHelp (WorkbenchHelpSy
stem.java:822)
at
org.eclipse.ui.internal.actions.HelpContentsAction$1.run(Hel pContentsAction.
java:83)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:69)
at
org.eclipse.ui.internal.actions.HelpContentsAction.run(HelpC ontentsAction.ja
va:81)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:996 )
at
org.eclipse.jface.action.ActionContributionItem.handleWidget Selection(Action
ContributionItem.java:538)
at
org.eclipse.jface.action.ActionContributionItem.access$2(Act ionContributionI
tem.java:488)
at
org.eclipse.jface.action.ActionContributionItem$5.handleEven t(ActionContribu
tionItem.java:400)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java (Compiled
Code))
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:3080)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :2713)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:1699)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:367)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:143)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplicatio n.java:103)
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(Pl atformActivator.
java:226)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:376)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:163)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:85
)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:58
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl
..java:60)
at java.lang.reflect.Method.invoke(Method.java:391)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334 )
at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
at org.eclipse.core.launcher.Main.run(Main.java:973)
at org.eclipse.core.launcher.Main.main(Main.java:948)
!SUBENTRY 1 org.eclipse.tomcat 4 0 2005-11-28 14:40:34.477
!MESSAGE Exception occurred starting application server.
============================================================
What would cause Tomcat server not to start on 3.1 but will start in 3.0?
Things I've tried:
- Turned off Zone Labs Integrity Client (firewall)
- Tried IE and Firefox
- Tried internal and external browser settings
- Specified the help server as 127.0.0.1 and localhost
- Specified a firewall friendly port of 80 for help server
- Rebooted
- Tried different and new workspaces
- Deleted configurations
- -clean option
- searched for related bugs
- followed the tip in the readme to check for proxy settings
- fresh install of JRE 1.4.2 and fresh install of Eclipse 3.1.1 with new
workspace
Any other ideas?
- Tomcat problem? Is there a way to make sure it is running right? Restart
it? Why would it not start with 3.1, but starts with 3.0?
- JRE? I have 1.4.2 as my system JRE.
- Uninstall and reinstall these guys? They are just unzips, not really
installations, per se.
Any ideas would be greatly appreciated. My work is hindered, since I'm
developing help content.
seth.
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