SA-JDI fails to get a stack trace:

# ERROR: Test caught an exception:
# ERROR: java.lang.NullPointerException
# ERROR: at sun.jvm.hotspot.runtime.Frame.addressOfStackSlot(Frame.java:224)
# ERROR: at sun.jvm.hotspot.runtime.x86.X86Frame.senderForCompiledFrame(X86Frame.java:342)
# ERROR: at sun.jvm.hotspot.runtime.x86.X86Frame.sender(X86Frame.java:283)
# ERROR: at sun.jvm.hotspot.runtime.Frame.sender(Frame.java:194)
# ERROR: at sun.jvm.hotspot.runtime.Frame.realSender(Frame.java:199)
# ERROR: at sun.jvm.hotspot.runtime.VFrame.sender(VFrame.java:119)
# ERROR: at sun.jvm.hotspot.runtime.CompiledVFrame.sender(CompiledVFrame.java:178)
# ERROR: at sun.jvm.hotspot.runtime.VFrame.javaSender(VFrame.java:146)
# ERROR: at sun.jvm.hotspot.jdi.ThreadReferenceImpl.privateFrames(ThreadReferenceImpl.java:218)
# ERROR: at sun.jvm.hotspot.jdi.ThreadReferenceImpl.frames(ThreadReferenceImpl.java:183)
...

Warning: the type "const char*" (declared in the remote VM in VMStructs::localHotSpotVMTypes) had its size declared as 4 twice. Continuing.
Warning: the type "const size_t" (declared in the remote VM in VMStructs::localHotSpotVMTypes) had its size declared as 4 twice. Continuing.
Warning: the type "const int" (declared in the remote VM in VMStructs::localHotSpotVMTypes) had its size declared as 4 twice. Continuing.
Warning: the type "const MemRegion" (declared in the remote VM in VMStructs::localHotSpotVMTypes) had its size declared as 8 twice. Continuing.
WARNING: You have disabled SA and VM version check. You may be using incompatible version of SA and you may see unexpected results.