Tag Archives: troubleshooting

Java bytecode verification is always REQUIRED

Never disable bytecode verification when running java as may lead you to security problems. Continue reading

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Never set GC parameter -XX:MaxTenuringThreshold greater than 15

Never set GC parameter -XX:MaxTenuringThreshold greater than 15 as it rapidly leads to heap fragmentation Continue reading

Posted in Administration, Java, Java EE | Tagged , , , , | 2 Comments

Java heap space, native heap and memory problems

A java process is consisted of java heap space, native C-Heap space and more. What problems can you face when these two are in conflict and how can you solve them? Continue reading

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Java Thread at RUNNABLE state is not really running

Which are the main reasons that even a Java thread is at RUNNABLE state it is not really running. Continue reading

Posted in Java, Software Development | Tagged , , , , | 5 Comments

JRockit – JRCMD useful commands

Describe a few crucial diagnostic commands of JRCMD of JRockit JVM to help you on troubleshooting. Continue reading

Posted in Administration, Java, Software Development | Tagged , , , , | 9 Comments