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  1.  Home
  2. WDSCI-L
  3. November 2005

Stack overflow error prompting CL in 6.0

While prompting a CL command (SNDPGMMSG within the EXEC for a MONMSG), I 
received an error dialog informing me a stack overflow happened.  It was 
recommended to exit the workbench or risk workbench termination and gave 
me the option to exit immediately.  It also directed me to the .log file. 
I chose not to exit immediately, instead canceling my way back to my CLP. 
Then I closed the workbench and saved my (partially) modified member.  It 
successfully saved to my AS/400 (er -- to the OS/400) source file and 
ended normally.

I was able restart the workbench and navigate my way back to the member 
and open it without any problems.  That is until I tried the same prompt 
action again.  It presents the prompted SNDPGMMSG command, but when I try 
to type any additional text in the MSG parameter, I get the same error all 
over.  While it is nice error recovery, I would like to add the necessary 
text to the message.

Here's the pertinent entries from the .log file for the stack overflow (in 
case IBM happens to be monitoring and is interested):


!ENTRY org.eclipse.ui 4 4 Nov 15, 2005 19:11:43.569
!MESSAGE Unhandled event loop exception

!ENTRY org.eclipse.ui 4 0 Nov 15, 2005 19:11:43.584
!MESSAGE java.lang.StackOverflowError
!STACK 0
java.lang.StackOverflowError
        at 
java.lang.NumberFormatException.forInputString(NumberFormatException.java:63)
        at java.lang.Long.parseLong(Long.java:408)
        at java.lang.Long.valueOf(Long.java:523)
        at 
com.ibm.etools.iseries.core.util.clprompter.ClLiteral.getObject(Long.java)
        at 
com.ibm.etools.iseries.core.util.clprompter.ClExpression.<init>(Unknown 
Source)
                  <...snip...>
                  .... repeats the line directly above 1191 times ...
                  ....>
        at 
com.ibm.etools.iseries.core.util.clprompter.ClExpressionListener.modifyText(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.Widget.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Text.wmCommandChild(Unknown Source)
        at org.eclipse.swt.widgets.Control.WM_COMMAND(Unknown Source)
        at org.eclipse.swt.widgets.Control.windowProc(Unknown Source)
        at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
        at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native 
Method)
        at org.eclipse.swt.internal.win32.OS.CallWindowProc(Unknown 
Source)
        at org.eclipse.swt.widgets.Text.callWindowProc(Unknown Source)
        at org.eclipse.swt.widgets.Control.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.jface.window.Window.runEventLoop(Unknown Source)
        at org.eclipse.jface.window.Window.open(Unknown Source)
        at 
com.ibm.etools.iseries.core.util.clprompter.ClCommandLineDialog.prompt(Unknown 
Source)
        at 
com.ibm.etools.iseries.core.util.clprompter.ClPromptKeyListener.keyPressed(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.Widget.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Control.sendKeyEvent(Unknown Source)
        at org.eclipse.swt.widgets.Text.sendKeyEvent(Unknown Source)
        at org.eclipse.swt.widgets.Control.sendKeyEvent(Unknown Source)
        at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
        at org.eclipse.swt.widgets.Control.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.jface.window.Window.runEventLoop(Unknown Source)
        at org.eclipse.jface.window.Window.open(Unknown Source)
        at 
com.ibm.etools.iseries.core.util.clprompter.ClCommandLineDialog.prompt(Unknown 
Source)
        at 
com.ibm.etools.iseries.core.util.clprompter.CLPrompter.showDialog(Unknown 
Source)
        at 
com.ibm.etools.iseries.editor.ISeriesEditorCLParser.showPromptDialog(Unknown 
Source)
        at 
com.ibm.etools.iseries.editor.ISeriesEditorCLParser.prompt(Unknown Source)
        at 
com.ibm.etools.iseries.editor.ISeriesEditorParser.doPromptAction(Unknown 
Source)
        at 
com.ibm.etools.iseries.editor.ISeriesEditorParserAction.run(Unknown 
Source)
        at 
com.ibm.etools.iseries.editor.ISeriesEditorParserAction.doAction(Unknown 
Source)
        at com.ibm.lpex.core.ActionHandler.doActionIfAvailable(Unknown 
Source)
        at com.ibm.lpex.core.ActionHandler.doKeyEvent(Unknown Source)
        at com.ibm.lpex.core.TextWindow.processKeyEvent(Unknown Source)
        at com.ibm.lpex.core.TextWindow.access$400(Unknown Source)
        at com.ibm.lpex.core.TextWindow$6.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.Control.sendKeyEvent(Unknown Source)
        at org.eclipse.swt.widgets.Control.sendKeyEvent(Unknown Source)
        at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Unknown Source)
        at org.eclipse.swt.widgets.Control.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.createAndRunWorkbench(Unknown 
Source)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
        at org.eclipse.ui.internal.ide.IDEApplication.run(Unknown Source)
        at 
org.eclipse.core.internal.runtime.PlatformActivator$1.run(Unknown Source)
        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:85)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
        at java.lang.reflect.Method.invoke(Method.java:391)
        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)

The second crash (er.. exception) log looks pretty similar, but not quite 
as long.

Michael Quigley
AS/400 Programming Coordinator
The Way International
www.TheWay.org

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