I'll take a look at this one. Andrew, do you know if there is any Red Hat bug report?
On 18/04/17 06:31, Andrew Hughes wrote: > > > ----- 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. >
