Troubleshooting Java SE The Java Platform, Standard Edition (Java SE) allows the development and deployment of a large variety of complex applications. This web page contains pointers to information to help you troubleshoot problems you encounter with applications developed with Java SE release 8. (For troubleshooting information for J2SE release 7, see ) Contents of This Page Troubleshooting Guide The Java Troubleshooting guide is available (in English only) to help you diagnose and solve problems that occur in applications running on Java SE 8:. Describes the Java SE troubleshooting tools, how to develop your own tools using the APIs provided with the platform, several suggested troubleshooting procedures, how to submit bug reports, and detailed reference information. Describes common issues which can occur with Java SE desktop technologies, such as Swing, AWT, Java 2D, and so forth, as well as suggestions for troubleshooting these issues. Document last updated August 2014 Quick Tips! For a few quick tips, consult these tables of typical troubleshooting needs, with corresponding commands, by platform.
Troubleshooting Tools The contains a list of monitoring and debugging tools in Java SE 8. Note that these tools are unsupported and experimental in nature, and they might not be available in future JDK versions. Pertinent Articles for Troubleshooting. by Mandy Chung - How to use several monitoring and management tools to troubleshoot common problems with Java SE applications. by Chuk-Munn Lee - Several ways to troubleshoot running Java SE applications, with examples.
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Overview of Java VisualVM, the all-in-one graphical and extensible troubleshooting tool. How to use the out-of-the-box profiling features of Java VisualVM. How to use the advanced profiling features of Java VisualVM. Pertinent Blogs for Troubleshooting The represents an aggregation of JDK developers' blogs. The following is a (non-exhaustive) list of bloggers' helpful information and tips for troubleshooting Java SE applications.: Includes NetBeans Profiler and Java VisualVM.: Changes to JConsole GUI in Java SE 6.: Using jmap and jhat to troubleshoot memory leak.:.
OOME message; jstack, JConsole, HPROF, and jhat tools.:. How to get thread dumps, especially using JConsole, which also shows deadlock information.: Crash Course: Java SE Monitoring, Management, and Troubleshooting.: JConsole, JMX, etc.: 'OutOfMemoryError: PermGen space' exception.: Description of DTrace probe providers hotspot and hotspotjni.: JConsole and MBeans.: jhat utility, HPROF tool.:. Serviceability Agent, command-line arguments, creating binary heap dumps, using DTrace, JConsole, all troubleshooting tools. Pertinent Forum Sites for Troubleshooting Visit the various forum sites, where you can browse for information and post your own questions. Perhaps someone else has already encountered your problem!
Use the Search facility on the forum site to specify your problem area. This is a very brief list of pointers to the high-level entries into some of these sites., including categories (among many others) such as:.: Java 2D, AWT, Swing, Deployment, and much more., including categories (among many others) such as:.: memory leaks, crashes, and much more.: Java 2D, AWT, Swing, Deployment, and much more.: various development and runtime tools. (a java.net member): various Java SE desktop technologies. (a java.net community): various Java SE desktop technologies Page last updated: 14 November 2008.