jmap-heap{pid}:抛出java.lang.reflect.InvocationTargetException
我通过setenv.sh增加了我的tomcat Xms和Xms参数:jmap-heap{pid}:抛出java.lang.reflect.InvocationTargetException,java,tomcat,heap,Java,Tomcat,Heap,我通过setenv.sh增加了我的tomcat Xms和Xms参数: export CATALINA_OPTS="-Xms1000m -Xmx28000m" 但是当我验证时,我得到了一个异常(注意:它与值无关,它发生在另一台我没有设置Xms/Xmx的机器上) 您已声明最大堆大小为28GB。你的RAM支持这么多吗capacity@Rahul我这台机器有32GB你能解决这个问题吗?许多解决方案是使用相同版本的jdk安装debuginfo rpm。但我在安装jdk debuginfo后遇到了这个问题
export CATALINA_OPTS="-Xms1000m -Xmx28000m"
但是当我验证时,我得到了一个异常(注意:它与值无关,它发生在另一台我没有设置Xms/Xmx的机器上)
您已声明最大堆大小为28GB。你的RAM支持这么多吗capacity@Rahul我这台机器有32GB你能解决这个问题吗?许多解决方案是使用相同版本的jdk安装debuginfo rpm。但我在安装jdk debuginfo后遇到了这个问题。
$ sudo jmap -heap 17744
Attaching to process ID 17744, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.242-b08
using thread-local object allocation.
Parallel GC with 8 thread(s)
Heap Configuration:
MinHeapFreeRatio = 0
MaxHeapFreeRatio = 100
MaxHeapSize = 29360128000 (28000.0MB)
NewSize = 349175808 (333.0MB)
MaxNewSize = 9786359808 (9333.0MB)
OldSize = 699400192 (667.0MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
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:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.tools.jmap.JMap.runTool(JMap.java:201)
at sun.tools.jmap.JMap.main(JMap.java:130)
Caused by: java.lang.RuntimeException: unknown CollectedHeap type : class sun.jvm.hotspot.gc_interface.CollectedHeap
at sun.jvm.hotspot.tools.HeapSummary.run(HeapSummary.java:144)
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.HeapSummary.main(HeapSummary.java:49)
... 6 more
$ /usr/bin/java -version
openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-8u242-b08-0ubuntu3~16.04-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)