"blocker" runnable java.lang.Thread.State: RUNNABLE at com.jiuqi.hcl.javadump.Blocker$1.run(Blocker.java:23) - locked <0x00000000eb8eff68> (a java.lang.Object) "blockee-11" waiting for monitor entry java.lang.Thread.State: BLOCKED (on object monitor) at com.jiuqi.hcl.javadump.Blocker$...
一、javah命令(C Header and Stub File Generator) 二、jps命令(JavaVirtual Machine Process Status Tool) 三、jstack命令(Java Stack Trace) 四、jstat命令(Java Virtual Machine Statistics Monitoring Tool) 五、jmap命令(Java Memory Map) 六、jinfo命令(Java Configuration Info) 七、jconsole命令(Java Monitoring...
"t2" prio=6 tid=0x02bcf000 nid=0xc70 waiting for monitor entry [0x02f6f000] java.lang.Thread.State: BLOCKED (on object monitor) at com.demo.DeadLock$2.run(DeadLock.java:40) - waiting to lock <0x22a297a8> (a java.lang.Object) - locked <0x22a297b0> (a java.lang.Object) Locke...
Jstack分析工具IBM Thread and Monitor Dump Analyzer for Java的使用技巧有哪些? 如何用IBM Thread and Monitor Dump Analyzer for Java定位Java应用中的死锁? IBM Thread and Monitor Dump Analyzer for Java支持哪些版本的Java应用? 使用方法很简单,直接将dump出来的堆栈信息,打开,便可分析。 本文参与 腾讯云自媒体...
java -agentlib:ThreadMonitor JavaThreadPoolApp 1. 或者: java -agentpath:/<Path>/ThreadMonitor JavaThreadPoolApp 1. 为了演示对线程切换的监 控,JavaThreadPoolApp 这个样例程序实现了一个 Java 线程池,其中涉及到大量的线程状态的切换。这个应用启动的时候会初始化一个线程池,池内初始化两个子线程,并让它们...
查看和修改 loggermbean：查看 Mbean 的信息memory：查看 JVM 的内存信息ognl：执行 ognl 表达式perfcounter：查看当前 JVM 的 Perf Counter 信息sysenv：查看 JVM 的环境变量sysprop：查看和修改 JVM 的系统属性thread：查看当前 JVM 的线程堆栈信息vmoption：查看和修改 JVM 里诊断相关的 optionvmtool：从 jvm 里...
With SAM, you can monitor: JVM memory consumption CPU usage Garbage collection Memory pool size and usage Memory heap size and usage Loaded and unloaded classes Thread count and thread dumps MBean Transaction response time And more By monitoring these metrics, you can gain a ...
SolarWinds® Server & Application Monitor (SAM) Java monitoring tools are designed to proactively monitor Java application servers and send alerts on issues before they become major problems. Using SAM, you can monitor key Java application server metrics, such as: Database: classes loaded, unloa...
thread 1 命令会打印线程ID 1的栈。用 thread 1 | grep 'main(' 查找到main class。 查找JVM里已加载的类 sc/sm 可以通过 sc 命令来查找JVM里已加载的类,通过-d参数,可以打印出类加载的具体信息,很方便查找类加载问题。 [arthas@1266]$ sc -d *MathGame class-info demo.MathGame code-source /hom...
5.2. IBM Thread Monitor and Dump Analyzer for Java (TMDA) IBM TMDAcan be used to identify thread contention, deadlocks, and bottlenecks. It is freely distributed and maintained but it does not offer any guarantee or support from IBM: