I'm not sure if jhat works with mlvm but I tried Charlie's first simple example here:
http://blog.headius.com/2010/07/browsing-memory-jruby-way.html and got the following error: [dev]$ jmap -histo:live 77467 java.lang.NullPointerException at java.io.File.<init>(File.java:293) at sun.tools.attach.BsdVirtualMachine.findSocketFile(BsdVirtualMachine.java:252) at sun.tools.attach.BsdVirtualMachine.<init>(BsdVirtualMachine.java:65) at sun.tools.attach.BsdAttachProvider.attachVirtualMachine(BsdAttachProvider.java:63) at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:213) at sun.tools.jmap.JMap.attach(JMap.java:296) at sun.tools.jmap.JMap.histo(JMap.java:218) at sun.tools.jmap.JMap.main(JMap.java:138) more details here: http://gist.github.com/502415 _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
