Top "Thread-dump" questions

When debugging it becomes necessary to dump the thread state of the application, this is usually to find a deadlock, lock contention or leaking connections.

Thread Dump Analyzer

Do you know some good thread dump analyzer tool? Perfect would be : free can read a few thread dumps and …

java multithreading analyzer thread-dump
How to collect heap dumps of any java process

I am new to Heaps , can anyone suggest how can i take heap dump of any java process (like Jmeter). …

java heap-dump thread-dump
What is "Locked ownable synchronizers" in thread dump?

I am trying to understand what does Locked ownable synchronizers refer to in a thread dump? I started using ReentrantReadWriteLock …

java multithreading thread-dump
How to debug Java OutOfMemory exceptions?

What is the best way to debug java.lang.OutOfMemoryError exceptions? When this happens to our application, our app server (…

java out-of-memory coredump java1.4 thread-dump
Analysis of 90% threads in java.lang.Thread.State: WAITING (parking)

Thread count in my tomcat application server is growing every day. When I have taken thread dump for analysis. I …

java multithreading threadpool thread-dump
Analysing thread dump - lot of blocked threads on sun.misc.Unsafe.park

Working on fixing performance issue in a Java play with akka framework application. Basically consumes and processes messages from a …

java multithreading playframework akka thread-dump
hidden.edu.emory.mathcs.backport*

In application thread dump I can see threadpool with five threads like following: "pool-1-thread-5" prio=10 tid=0x000000000101a000 nid=0…

java threadpool stack-trace java.util.concurrent thread-dump
Understanding the Reference Handler thread

I am continuing my path to deep understanding of Java Thread. Unfortunately my Java Certification didn't cover that part, so …

java reference thread-dump
Analyzing thread dump of a java process

I have Java EE based application running on tomcat and I am seeing that all of a sudden the application …

java java-ee-6 thread-dump
How can I view memory usage, thread dump for java programs, from command line?

Is there any known command line tool to ask the JVM to see memory usage and thread dumps of a …

java memory-dump thread-dump