Tag Archives: JMX

JConsole Connection Failed

It is very annoying when you see JConsole failed to attach to a runtime with simply tells you “The connection to pid did not succeed. Would you like to try again?”. This is a completely useless message. How to troubleshooting … Continue reading

Posted in Tool and Debug | Tagged , , | Leave a comment

Which Java Thread Is Hogging CPU

Recently I needed to investigate a CPU overload problem on an embedded system, which ran Oracle EJRE with limited processor power and memory. At the problem time, the Java process took more than 80% of the CPU time. A java … Continue reading

Posted in Java, Tool and Debug | Tagged , , | 1 Comment