----- Original Message ----- > > I ran across this bug report > > (https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1548434) and it > > seems in Wheezy/Jessie it's likewise. The last functional version I just > > so happened to hold onto is 7u79-2.5.5-1~deb7u1. > > > > The following are confirmed to throw an Exception > > * 7u111-2.6.7-2~deb8 > > * 7u121-2.6.8-1~deb7u1 > > * 7u95-2.6.4-1~deb7u1 > > > > Here is an example run with 7u121 - http://pastebin.com/tzRk7xTH > > I can confirm that on RHEL family distributions it occurs as well even with > 131 which came out a couple weeks ago. Additionally it would be tremendously > helpful if 'jmap' were moved back into the main package and not relegated to > -devel. It is a tremendously useful program for day to day operations. > > Linux ip-172-17-0-41 4.4.44-39.55.amzn1.x86_64 #1 SMP Mon Jan 30 18:15:53 UTC > 2017 x86_64 x86_64 x86_64 GNU/Linux > java-1.7.0-openjdk-1.7.0.131-2.6.9.0.71.amzn1.x86_64 > java-1.7.0-openjdk-devel-1.7.0.131-2.6.9.0.71.amzn1.x86_64 > > > # jmap -heap 2436 > Attaching to process ID 2436, please wait... > Debugger attached successfully. > Server compiler detected. > JVM version is 24.131-b00 > > using thread-local object allocation. > Garbage-First (G1) GC with 2 thread(s) > > Heap Configuration: > MinHeapFreeRatio = 25 > MaxHeapFreeRatio = 70 > MaxHeapSize = 2684354560 (2560.0MB) > NewSize = 1363144 (1.2999954223632812MB) > MaxNewSize = 17592186044415 MB > OldSize = 5452592 (5.1999969482421875MB) > NewRatio = 2 > SurvivorRatio = 5 > PermSize = 402653184 (384.0MB) > MaxPermSize = 536870912 (512.0MB) > G1HeapRegionSize = 1048576 (1.0MB) > > 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 > > ________________________________ > > If you wish to view the CPA Global group email disclaimer, please click > here<https://www.cpaglobal.com/Privacy/CPAGlobalEmailDisclaimer/> > ________________________________ >
Try installing java-1.7.0-openjdk-debuginfo. -- Andrew :) Senior Free Java Software Engineer Red Hat, Inc. (http://www.redhat.com) Web Site: http://fuseyism.com Twitter: https://twitter.com/gnu_andrew_java PGP Key: ed25519/0xCFDA0F9B35964222 (hkp://keys.gnupg.net) Fingerprint = 5132 579D D154 0ED2 3E04 C5A0 CFDA 0F9B 3596 4222
