8 Troubleshooting Tools

This topic describes various troubleshooting tools available in Java SE and compares their functionality to those available in Oracle JRockit.

Troubleshooting Tools Available in Java SE

The following table lists various tools available for troubleshooting in Java SE. Some of these tools were brought over from Oracle JRockit to HotSpot VM for providing comparable functionality:

Table 8-1 Tools

Java SE Troubleshooting Tools	Notes and Resources
Java Flight Recorder and Mission Control	See the following topics in Java Platform, Standard Edition Troubleshooting Guide: Java Mission Control What are Java Flight Recordings How to produce a Flight Recording Inspect a Flight Recording Debug a Memory Leak Using Java Flight Recorder
Serviceability Agent	See the article about the Serviceability Agent published in the Java Magazine dated July 2012: HotSpot’s Hidden Treasure
JConsole	See Troubleshoot with JConsole in Java Platform, Standard Edition Troubleshooting Guide
jcmd command utility	See: Troubleshoot with jcmd Utility in Java Platform, Standard Edition Troubleshooting Guide jcmd in Java Platform, Standard Edition Tools Reference
JDK utilities	There are many useful utilities bundled with JDK. See the following topics in Java Platform, Standard Edition Troubleshooting Guide: jdb jinfo jmap jps jstack jstat jrunscript jsadebugd jstatd
visualgc	See visualgc Tool in Java Platform, Standard Edition Troubleshooting Guide.
Native Memory Tracking Tool	See Native Memory Tracking in Java Platform, Standard Edition Java Virtual Machine Guide.