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Newbie (to pretty much everything in question here). Eclipse 3.2.1 build M20060921-0945, EPIC 0.4.17, ActiveState ActivePerl 22.214.171.1249, PadWalker (via ActiveState PPM) 0.10. (Tried to get PadWalker 1.0 from CPAN to "nmake" under XP, but the nmake failed.)
Trying to get get EPIC Perl debugging working on a moderately complex script with a number of modules. The debugger in my configuration does work on a very simple test script, but always gets an internal error on the script in question.
The script, which is a production script that we run frequently on an ancient SunOS configuration in Perl 5.04, appears to start normally and execute when "Run". (At least, on this new PC port, it exits normally with an early coded application error.)
The error appears to happen during setup and before the first breakpoint is reached. Sometimes a message box pops up with the title "Computing hasChildren" and the message, "An internal error occurred during: "Computing hasChildren".
Other times, a different dialog box pops up indentifying the source of the error and the Java error:
"An internal error occurred during: "Computing hasChildren".
Google turned up some references to "Computing hasChildren" errors in a PHP plug-in about 6 months ago, but it appeared to have been fixed.
Would appreciate any suggestions, including whether this should be submitted as a bug. Thanks.
PS: Probably shouldn't have called it a crash -- the configuration remains up, open and functional, with the tasks terminated. It just isn't debugging the script.
From the error log:
!SESSION 2006-10-22 13:09:51.875 -----------------------------------------------
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
!ENTRY org.eclipse.core.jobs 4 2 2006-10-22 13:11:10.640
!MESSAGE An internal error occurred during: "Computing hasChildren".
It is a bug and you should submit it to the tracker. I am going to commit a tentative "fix" which will keep the NPE from occuring at this location, but I do not understand the root cause of the problem. It would be nice if you could provide the code which triggers it.
It could be a cascading exception with the actual error occuring earlier in the control flow. The EPIC debugger's exception handling is still pathetic (it does not abort when it should, does not log all exceptions like it should). Maybe you can find out more details by looking at the .log with a text editor and examining stdout of the workbench.