Confirm missing symbols : use : #export LIBSAPROC_DEBUG=1 #jmap -heap 15572 Attaching to process ID 15572, please wait... .... ... Debugger attached successfully. Server compiler detected. JVM version is 24.95-b01 libsaproc DEBUG: lookup failed for symbol '_ZTV20ParallelScavengeHeap' in obj 'libjvm.so' libsaproc DEBUG: lookup failed for symbol '_ZTV20ParallelScavengeHeap' in obj 'libjvm_g.so' libsaproc DEBUG: lookup failed for symbol '_ZTV20ParallelScavengeHeap' in obj 'gamma_g' libsaproc DEBUG: lookup failed for symbol '_ZTV16GenCollectedHeap' in obj 'libjvm.so' libsaproc DEBUG: lookup failed for symbol '_ZTV16GenCollectedHeap' in obj 'libjvm_g.so' libsaproc DEBUG: lookup failed for symbol '_ZTV16GenCollectedHeap' in obj 'gamma_g' libsaproc DEBUG: lookup failed for symbol '_ZTV15G1CollectedHeap' in obj 'libjvm.so' libsaproc DEBUG: lookup failed for symbol '_ZTV15G1CollectedHeap' in obj 'libjvm_g.so' libsaproc DEBUG: lookup failed for symbol '_ZTV15G1CollectedHeap' in obj 'gamma_g'
or : #jmap -dump:format=b,file=here /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java /var/tmp/jvm.core.15572 2>&1 | grep UseSharedSpaces libsaproc DEBUG: lookup failed for symbol 'UseSharedSpaces' in obj '/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/server/libjvm.so' libsaproc DEBUG: can't lookup 'UseSharedSpaces' flag -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1548434 Title: jmap -heap broken since update to 7u95-2.6.4-0ubuntu0.14.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1548434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
