然后,我们可以使用MBeanServer实例来调用HotSpotDiagnostic MBean的操作。在这个示例中,我们将调用"dumpHeap"操作来输出Full thread dump。 StringdumpFileName="/path/to/dump/file.txt";StringfullThreadDump=(String)mBeanServer.invoke(objectName,"dumpHea
A thread dump is a snapshot of the current state of all threads running within a Java Virtual Machine (JVM). It provides detailed information about each thread, including its name, status, priority, call stack, and locks held or waited upon. By analyzing a thread dump, developers can ident...
Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.192-b12 mixed mode): "Attach Listener"#10 daemon prio=9 os_prio=0 tid=0x00007f4ee0001000 nid=0x1956 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE // 这是0x17ea线程,也是占用CPU最高的线程 "Thread-0"#9 prio=5 os...
首先,通过 jps 命令,查看 Java 进程的 pid 然后,通过 jstack <pid> 命令查看线程 dump 日志。当发现死锁时,可以在打印的 dump 日志中找到Found one Java-level deadlock: 信息,根据信息的内容可以分析死锁出现的原因。 C:\Users\xxx>jstack $pid 2025-01-23 15:38:34 Full thread dump Java HotSpot(TM) ...
Full thread dump Java HotSpot(TM) 64-Bit Server VM (11.0-b15 mixed mode): "Attach Listener" daemon prio=10 tid=0x0000000040110800 nid=0x1c81 waiting on condition [0x0000000000000000..0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "DestroyJavaVM...
JavaHotSpot(TM)64-Bit ServerVM(24.76-b04)forlinux-amd64JRE(1.7.0_76-b13), built on Dec18201416:58:39by"java_re"with gcc4.3.020080428(Red Hat4.3.0-8)Memory: 4k page, physical 32934888k(13890072k free), swap 48197628k(48197628k free)CommandLine flags:-XX:AutoBoxCacheMax=3000000-XX:...
[@yd-80-133 ~]$ jstack 1344 2013-06-08 16:15:42Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.8-b03 mixed mode): "pool-40-thread-5" prio=10 tid=0x000000005cea6800 nid=0x639c runnable [0x00000000493c5000] java.lang.Thread.State: RUNNABLE at .SocketInputStream.socketRead0...
Java Hotspot G1 GC的一些关键技术-美团技术团队 新一代垃圾回收器ZGC的探索与实践-美团技术团队 1.3、为什么CMS从来没成为默认收集器 CMS(Concurrent Mark Sweep)是一种 以获取最短回收停顿时间为目标 的收集器。 在JDK 5 发布时,HotSpot 虚拟机推出了一款在强交互应用中具有划时代意义的垃圾收集器——CMS 收集...