While trying to connect read-only jdb to a Sun ONE app server process, it crashes with the following java stack trace:

bash-2.05# jdbproc.sh 6313
/opt/diagtest/jdk/sa/sa142/jdbproc.sh attaching to PID=6313
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
    at sun.jvm.hotspot.utilities.ObjectReader.readInstance(ObjectReader.java:81)
    at sun.jvm.hotspot.utilities.ObjectReader.readObject(ObjectReader.java:29)
    at sun.jvm.hotspot.utilities.ObjectReader$FieldSetter.doOop(ObjectReader.java:264)
    at sun.jvm.hotspot.oops.InstanceKlass.visitField(InstanceKlass.java:492) at sun.jvm.hotspot.oops.InstanceKlass.iterateNonStaticFields(InstanceKlass.java:239)
    at sun.jvm.hotspot.oops.InstanceKlass.iterateNonStaticFields(InstanceKlass.java:227)
    at sun.jvm.hotspot.oops.Instance.iterateFields(Instance.java:39)
    at sun.jvm.hotspot.oops.Oop.iterate(Oop.java:123)
    at sun.jvm.hotspot.utilities.ObjectReader.readInstance(ObjectReader.java:85)
    at sun.jvm.hotspot.utilities.ObjectReader.readObject(ObjectReader.java:29)
    at sun.jvm.hotspot.runtime.VM$2.doOop(VM.java:692)
    at sun.jvm.hotspot.oops.InstanceKlass.visitField(InstanceKlass.java:492) at sun.jvm.hotspot.oops.InstanceKlass.iterateFields(InstanceKlass.java:211)
    at sun.jvm.hotspot.oops.Oop.iterate(Oop.java:123)
    at sun.jvm.hotspot.runtime.VM.readSystemProperties(VM.java:687)
    at sun.jvm.hotspot.runtime.VM.getSystemProperties(VM.java:680)
    at sun.jvm.hotspot.runtime.VM.getSystemProperty(VM.java:675)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.getPath(VirtualMachineImpl.java:605)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.classPath(VirtualMachineImpl.java:617)
    at com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:189)
    at com.sun.tools.example.debug.tty.Env.init(Env.java:63)
    at com.sun.tools.example.debug.tty.TTY.main(TTY.java:849)
Caused by: java.lang.NullPointerException
    at java.util.Collections$SynchronizedCollection.<init>(Collections.java:1527)
    at java.util.Collections$SynchronizedSet.<init>(Collections.java:1622)
    ... 26 more
java.lang.RuntimeException
    at sun.jvm.hotspot.utilities.ObjectReader$FieldSetter.doOop(ObjectReader.java:267)
    at sun.jvm.hotspot.oops.InstanceKlass.visitField(InstanceKlass.java:492) at sun.jvm.hotspot.oops.InstanceKlass.iterateNonStaticFields(InstanceKlass.java:239)
    at sun.jvm.hotspot.oops.InstanceKlass.iterateNonStaticFields(InstanceKlass.java:227)
    at sun.jvm.hotspot.oops.Instance.iterateFields(Instance.java:39)
    at sun.jvm.hotspot.oops.Oop.iterate(Oop.java:123)
    at sun.jvm.hotspot.utilities.ObjectReader.readInstance(ObjectReader.java
:85)
    at sun.jvm.hotspot.utilities.ObjectReader.readObject(ObjectReader.java:2
9)
    at sun.jvm.hotspot.runtime.VM$2.doOop(VM.java:692)
    at sun.jvm.hotspot.oops.InstanceKlass.visitField(InstanceKlass.java:492)
    at sun.jvm.hotspot.oops.InstanceKlass.iterateFields(InstanceKlass.java:2
11)
    at sun.jvm.hotspot.oops.Oop.iterate(Oop.java:123)
    at sun.jvm.hotspot.runtime.VM.readSystemProperties(VM.java:687)
    at sun.jvm.hotspot.runtime.VM.getSystemProperties(VM.java:680)
    at sun.jvm.hotspot.runtime.VM.getSystemProperty(VM.java:675)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.getPath(VirtualMachineImpl.jav
a:605)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.classPath(VirtualMachineImpl.j
ava:617)
    at com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:1
89)
    at com.sun.tools.example.debug.tty.Env.init(Env.java:63)
    at com.sun.tools.example.debug.tty.TTY.main(TTY.java:849)
Internal exception:
java.lang.NullPointerException
    at sun.jvm.hotspot.runtime.VM.getSystemProperty(VM.java:675)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.getPath(VirtualMachineImpl.jav
a:605)
    at sun.jvm.hotspot.jdi.VirtualMachineImpl.classPath(VirtualMachineImpl.j
ava:617)
    at com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:1
89)
    at com.sun.tools.example.debug.tty.Env.init(Env.java:63)
    at com.sun.tools.example.debug.tty.TTY.main(TTY.java:849)


--

This was reported by ###@###.###.


###@###.### 2004-01-05