[Bug general/4698] New: Opening up a core file in the source window causes a backtrace

["pmuldoon at redhat dot com" <sourceware-bugzilla@sourceware.org>]

[pmuldoon@localhost frysk-core]$ sleep 1000 &
[1] 5924

[pmuldoon@localhost frysk-core]$ ./frysk/bindir/fcore 5924

[pmuldoon@localhost frysk_bin]$ ./frysk-core/frysk/bindir/fstack ~/core.5924 
Task #5924
#0 0x00705402 in __kernel_vsyscall ()
#1 0x4daf7c90 in __GI___libc_nanosleep ()
#2 0x10094bf1 in [unknown]
#3 0x10091d9a in [unknown]
#4 0x4da7ff2c in __libc_start_main ()
#5 0x08048bd1 in [unknown]

and the live process trace:

[pmuldoon@localhost frysk_bin]$ ./frysk-core/frysk/bindir/fstack 5924
Task #5924
#0 0x00705402 in __kernel_vsyscall ()
#1 0x4daf7c90 in __GI___libc_nanosleep ()
#2 0x10094bf1 in [unknown]
#3 0x10091d9a in [unknown]
#4 0x4da7ff2c in __libc_start_main ()
#5 0x08048bd1 in [unknown]

But when opening up that corefile in the source window I get:

java.lang.NullPointerException
   at lib.dw.DwarfDie.getDecl(FryskGui)
   at frysk.debuginfo.DebugInfo.setSubprogram(FryskGui)
   at frysk.debuginfo.DebugInfo.setFrames(FryskGui)
   at frysk.gui.srcwin.SourceWindow.generateProcStackTrace(FryskGui)
   at frysk.gui.srcwin.SourceWindow.finishSourceWin(FryskGui)
   at frysk.gui.srcwin.SourceWindow.<init>(FryskGui)
   at frysk.gui.srcwin.SourceWindowFactory.createSourceWindow(FryskGui)
   at frysk.gui.srcwin.SourceWindowFactory.attachToCore(FryskGui)
   at frysk.gui.srcwin.SourceWindow.examineCoreFile(FryskGui)
   at frysk.gui.srcwin.SourceWindow$2.actionEvent(FryskGui)
   at org.gnu.gtk.Action.fireActionEvent(libgtkjava-2.8.so)
   at org.gnu.gtk.Action.handleActivate(libgtkjava-2.8.so)
   at org.gnu.gtk.Gtk.gtk_main(libgtkjava-2.8.so)
   at org.gnu.gtk.Gtk.main(libgtkjava-2.8.so)
   at frysk.gui.Gui.gui(FryskGui)
   at frysk.gui.FryskGui.main(FryskGui)

-- 
           Summary: Opening up a core file in the source window causes a
                    backtrace
           Product: frysk
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: general
        AssignedTo: frysk-bugzilla at sourceware dot org
        ReportedBy: pmuldoon at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=4698

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