Tag Archives: troubleshooting

Java bytecode verification is always REQUIRED

Posted on May 9, 2013 by Adrianos Dadis

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

Posted on March 29, 2013 by Adrianos Dadis

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

Posted on January 14, 2013 by Adrianos Dadis

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 →

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

Java Thread at RUNNABLE state is not really running

Posted on August 6, 2012 by Adrianos Dadis

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

Posted on June 21, 2012 by Adrianos Dadis

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