Unexpected error with jmap -permstat option

Unexpected error can be seen from mustang b38 with jmap "-permstat" option.

jmap -J-Dsun.jvm.hotspot.runtime.VM.disableVersionCheck -permstat 10336

The error can be reproducible consistently on Linux and Solaris builds.

<unexpected>

#uname -a
SunOS minifridge 5.9 Generic sun4u sparc SUNW,Ultra-Enterprise
# java -version
java version "1.6.0-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-ea-b38)
Java HotSpot(TM) Client VM (build 20050527105531.dcubed.service_hs_merge-debug,mixed mode)

#which jmap
/net/vmsqe.sfbay/export/nightly/tiger/JDK/service_hs_baseline/jdk1.6/solaris-sparc/bin/jmap

# jmap -J-Dsun.jvm.hotspot.runtime.VM.disableVersionCheck -permstat 10336
Attaching to process ID 10336, please wait...
Debugger attached successfully.
Client compiler detected.
JVM version is 20050527105531.dcubed.service_hs_merge-debug
finding class loader instances ..done.
computing per loader stat ..done.
please wait.. computing livenessException in thread "main" java.lang.ExceptionInInitializerError
       at java.lang.Class.forName0(Native Method)
       at java.lang.Class.forName(Class.java:164)
       at sun.jvm.hotspot.code.CodeCache.class$(CodeCache.java:38)
       at sun.jvm.hotspot.code.CodeCache.initialize(CodeCache.java:39)
       at sun.jvm.hotspot.code.CodeCache.access$000(CodeCache.java:17)
       at sun.jvm.hotspot.code.CodeCache$1.update(CodeCache.java:26)
       at sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver(VM.java:297)
       at sun.jvm.hotspot.code.CodeCache.<clinit>(CodeCache.java:24)
       at sun.jvm.hotspot.runtime.VM.getCodeCache(VM.java:558)
       at sun.jvm.hotspot.runtime.Frame.isCompiledFrame(Frame.java:121)
       at sun.jvm.hotspot.runtime.Frame.isJavaFrame(Frame.java:101)
       at sun.jvm.hotspot.runtime.StackFrameStream.<init>(StackFrameStream.java:52)
       at sun.jvm.hotspot.runtime.StackFrameStream.<init>(StackFrameStream.java:34)
       at sun.jvm.hotspot.utilities.LivenessAnalysis.doStack(LivenessAnalysis.java:585)
       at sun.jvm.hotspot.utilities.LivenessAnalysis.run(LivenessAnalysis.java:105)
       at sun.jvm.hotspot.tools.PermStat.run(PermStat.java:116)
       at sun.jvm.hotspot.tools.JMap.run(JMap.java:91)
       at sun.jvm.hotspot.tools.Tool.start(Tool.java:204)
       at sun.jvm.hotspot.tools.JMap.main(JMap.java:134)
Caused by: java.lang.RuntimeException: field "_frame_start_offset" not found in type nmethod
       at sun.jvm.hotspot.types.basic.BasicType.getField(BasicType.java:156)
       at sun.jvm.hotspot.types.basic.BasicType.getField(BasicType.java:163)
       at sun.jvm.hotspot.types.basic.BasicType.getField(BasicType.java:167)
       at sun.jvm.hotspot.types.basic.BasicType.getCIntegerField(BasicType.java:230)
       at sun.jvm.hotspot.code.NMethod.initialize(NMethod.java:87)
       at sun.jvm.hotspot.code.NMethod.access$000(NMethod.java:19)
       at sun.jvm.hotspot.code.NMethod$1.update(NMethod.java:63)
       at sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver(VM.java:297)
       at sun.jvm.hotspot.code.NMethod.<clinit>(NMethod.java:61)
       ... 19 more

</unexpected>
###@###.### 2005-05-31 09:57:58 GMT