[fedora-java] rawhide issues

[Andrew Haley]

Anthony Green writes:
 > I see the following issues with rawhide (on x86) right now...
 > 
 > * I'm not getting any stack traces, just <<No stacktrace available>>
 > 
 > 
 > * Eclipse fails and the log contains the following errors (with no
 > stacktraces):
 > 
 > java.lang.IllegalAccessError: org.xml.sax.helpers.NamespaceSupport$Context: org.xml.sax.helpers.NamespaceSupport.EMPTY_ENUMERATION
 > 
 > java.lang.Exception: Cannot initialize Update Configurator
 > 
 > java.lang.IllegalStateException: Bundle initial at reference:file:plugins/org.eclipse.core.runtime_3.1.1.jar/ [1] is not active.
 > 
 > 
 > * aot-compile-rpm is using -mcpu=i686, but -mcpu is deprecated in GCC 4.1.  I can't see where this comes from.
 > 
 > 
 > Any ideas?

gcc is emitting bad unwinder data for some routines.  This isn't a bug
in the gcc unwinder itself, because gdb has the same problems.  Look
at Frame 7 and Frame 9:

Breakpoint 7, _Unwind_Find_FDE (pc=0xb7fbdf76, bases=0xbffff0d0)
    at ../../gcc/unwind-dw2-fde-glibc.c:410
Current language:  auto; currently c
0xb7fbdf76 <_Unwind_Backtrace+30>:      decl   0xfffed485(%ebp)
(gdb) bt
#0  _Unwind_Find_FDE (pc=0xb7fbdf76, bases=0xbffff0d0)
    at ../../gcc/unwind-dw2-fde-glibc.c:410
#1  0xb7fbd0dc in uw_frame_state_for (context=0xbffff07c, fs=0xbfffeeb8)
    at ../../gcc/unwind-dw2.c:977
#2  0xb7fbdd50 in uw_init_context_1 (context=0xbffff07c,
    outer_cfa=0xbffff0f0, outer_ra=0xb73b8ed4)
    at ../../gcc/unwind-dw2.c:1254
#3  0xb7fbdf77 in _Unwind_Backtrace (
    trace=0xb73b8f34 <_Jv_StackTrace::UnwindTraceFn(_Unwind_Context*, void*)>, trace_argument=0xbffff8f0) at ../../gcc/unwind.inc:287
#4  0xb73b8ed4 in _Jv_StackTrace::GetStackTrace ()
    at ../../../libjava/stacktrace.cc:160
#5  0xb73e74db in java::lang::VMThrowable::fillInStackTrace ()
    at ../../../libjava/java/lang/natVMThrowable.cc:33
#6  0xb75ca38b in java.lang.Throwable.fillInStackTrace() (
    this=0xb75ca47b)
    at ../../../libjava/classpath/java/lang/Throwable.java:498
#7  0x000fab10 in ?? ()
#8  0xb75ca47b in java.lang.Throwable.Throwable(java.lang.String) (
    this=0xb75ca860, message=0xfab10)
    at ../../../libjava/classpath/java/lang/Throwable.java:159
#9  0x080491a0 in _methods0 ()
#10 0xb75ca860 in java.lang.Throwable.Throwable() (this=0xfab10)
    at ../../../libjava/classpath/java/lang/Throwable.java:146
#11 0x08048a2c in Hello.main(java.lang.String[]) (args=0x27fa8)
    at Hello.java:13
#12 0xb73d8b17 in gnu::java::lang::MainThread::call_main (this=0x63e38)
    at ../../../libjava/gnu/java/lang/natMainThread.cc:47
#13 0xb7415823 in gnu.java.lang.MainThread.run() (this=0x63e38)
    at ../../../libjava/gnu/java/lang/MainThread.java:105
#14 0xb73e6e81 in _Jv_ThreadRun (thread=0x63e38)
    at ../../../libjava/java/lang/natThread.cc:299
#15 0xb73ad810 in _Jv_RunMain (vm_args=0x0, klass=0x8049240, name=0x0,
    argc=1, argv=0xbffffb24, is_jar=false)
    at ../../../libjava/prims.cc:1389
#16 0xb73ad97a in _Jv_RunMain (klass=0x8049240, name=0x0, argc=1,
    argv=0xbffffb24, is_jar=false) at ../../../libjava/prims.cc:1400
#17 0xb73ad9bb in JvRunMain (klass=0x8049240, argc=1, argv=0xbffffb24)
    at ../../../libjava/prims.cc:1406
#18 0x080489b9 in main (argc=Cannot access memory at address 0x0
) at /tmp/ccEsUlnr.i:11