Package: openjdk-7-jdk Version: 7u131-2.6.9-2~deb8u1 Severity: normal Dear Maintainer,
Jmap does not work anymore on debian due to missing symbols: This seems like a known problem on ubuntu too where jmap is broken since about 7u95. https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1548434 In the ubuntu bugreport revision 600 was speculated to be the problem http://bazaar.launchpad.net/~openjdk/openjdk/openjdk7/revision/600 # LIBSAPROC_DEBUG=1 jmap -heap 808 2>&1|grep -v pthread Attaching to process ID 808, please wait... libsaproc DEBUG: can't open shared object [vvar] libsaproc DEBUG: lookup failed for symbol '__vt_10JavaThread' in obj 'libjvm.so' libsaproc DEBUG: lookup failed for symbol '__vt_10JavaThread' in obj 'libjvm_g.so' libsaproc DEBUG: lookup failed for symbol '__vt_10JavaThread' in obj 'libjvm.so' libsaproc DEBUG: lookup failed for symbol '__vt_10JavaThread' in obj 'libjvm_g.so' libsaproc DEBUG: lookup failed for symbol 'SA_CMD_SUSPEND_ALL' in obj 'libsa.so' libsaproc DEBUG: lookup failed for symbol 'SA_CMD_SUSPEND_ALL' in obj 'libsa_g.so' Debugger attached successfully. Server compiler detected. JVM version is 24.131-b00 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' using thread-local object allocation. Parallel GC with 4 thread(s) Heap Configuration: MinHeapFreeRatio = 0 MaxHeapFreeRatio = 100 MaxHeapSize = 12821987328 (12228.0MB) NewSize = 1310720 (1.25MB) MaxNewSize = 17592186044415 MB OldSize = 5439488 (5.1875MB) NewRatio = 2 SurvivorRatio = 8 PermSize = 268435456 (256.0MB) MaxPermSize = 536870912 (512.0MB) G1HeapRegionSize = 0 (0.0MB) Heap Usage: Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.tools.jmap.JMap.runTool(JMap.java:197) at sun.tools.jmap.JMap.main(JMap.java:128) Caused by: java.lang.RuntimeException: unknown CollectedHeap type : class sun.jvm.hotspot.gc_interface.CollectedHeap at sun.jvm.hotspot.tools.HeapSummary.run(HeapSummary.java:146) at sun.jvm.hotspot.tools.Tool.start(Tool.java:221) at sun.jvm.hotspot.tools.HeapSummary.main(HeapSummary.java:40) ... 6 more Installed java packages: ii openjdk-7-dbg:amd64 7u131-2.6.9-2~deb8u1 amd64 Java runtime based on OpenJDK (debugging symbols) ii openjdk-7-jdk:amd64 7u131-2.6.9-2~deb8u1 amd64 OpenJDK Development Kit (JDK) ii openjdk-7-jre:amd64 7u131-2.6.9-2~deb8u1 amd64 OpenJDK Java runtime, using Hotspot JIT ii openjdk-7-jre-headless:amd64 7u131-2.6.9-2~deb8u1 amd64 OpenJDK Java runtime, using Hotspot JIT (headless) It would be nice to have a working jmap again in debian! gebi -- System Information: Debian Release: 8.8 APT prefers stable APT policy: (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 3.16.43-2+deb8u1 (SMP w/6 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages openjdk-7-jdk depends on: ii libc6 2.19-18+deb8u10 ii openjdk-7-jre 7u131-2.6.9-2~deb8u1 _______________________________________________ Mailing list: https://launchpad.net/~openjdk Post to : [email protected] Unsubscribe : https://launchpad.net/~openjdk More help : https://help.launchpad.net/ListHelp
