[英]“can not get class data for sun/java2d/Disposer”
I have used a script successfully in the past and the JDK did not change, but for some reason in this instance I was unable to convert a core dump to a hprof; 我过去曾经成功使用过脚本,而JDK却没有更改,但是由于某种原因,在这种情况下,我无法将核心转储转换为hprof。
Attaching to core my.core from executable /opt/jdk1.8.0_31/bin/java, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.31-b07
Dumping heap to my.hprof ...
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sun.tools.jmap.JMap.runTool(JMap.java:201)
at sun.tools.jmap.JMap.main(JMap.java:130)
Caused by: sun.jvm.hotspot.utilities.AssertionFailure: can not get class data for sun/java2d/Disposer$$Lambda$10x00000001002e8428
at sun.jvm.hotspot.utilities.Assert.that(Assert.java:32)
at sun.jvm.hotspot.utilities.HeapHprofBinWriter.writeInstance(HeapHprofBinWriter.java:803)
at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter$1.doObj(AbstractHeapGraphWriter.java:95)
at sun.jvm.hotspot.oops.ObjectHeap.iterateLiveRegions(ObjectHeap.java:353)
at sun.jvm.hotspot.oops.ObjectHeap.iterate(ObjectHeap.java:171)
at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.write(AbstractHeapGraphWriter.java:51)
at sun.jvm.hotspot.utilities.HeapHprofBinWriter.write(HeapHprofBinWriter.java:433)
at sun.jvm.hotspot.tools.HeapDumper.run(HeapDumper.java:62)
at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:260)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:223)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.HeapDumper.main(HeapDumper.java:83)
... 6 more
The Partial heap won't load with visualvm. 使用Visualvm不会加载部分堆。
What could cause this? 是什么原因造成的? Is this a known bug? 这是一个已知的错误? Is there a workaround? 有解决方法吗?
This is a known bug and has been fixed starting with Java 8 Update 60. 这是一个已知的错误,已从Java 8 Update 60开始修复。
See https://bugs.openjdk.java.net/browse/JDK-8044416 参见https://bugs.openjdk.java.net/browse/JDK-8044416
Java 8 ticket: https://bugs.openjdk.java.net/browse/JDK-8077507 Java 8票证: https : //bugs.openjdk.java.net/browse/JDK-8077507
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