How to configure Tomcat to support remote debugging

meander

于 2010-10-22 13:32:00 发布

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分类专栏： Tomcat&Weblogic 文章标签： tomcat debugging documentation jvm variables wrapper

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本文介绍如何通过设置JVM参数使Tomcat支持远程调试。主要方法包括：在启动时添加-Xdebug和-Xrunjdwp参数；设置JPDA_ADDRESS和JPDA_TRANSPORT环境变量；在IDE中设置相应的JVM选项。

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How do I configure Tomcat to support remote debugging?

The short answer is to add the following options when the JVM is started: -Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n There are a number of ways you can do this depending on how you normally start Tomcat:

    * If you run Tomcat using service wrapper, add the above JVM options before any other JVM options. Check the documentation for the service to determine how to set JVM options.
    * Set environment variables JPDA_ADDRESS=8000 and JPDA_TRANSPORT=dt_socket and then start tomcat using catalina jpda start.
    * If you start Tomcat from within an IDE, check the documentation for the IDE to determine how to set the required JVM options.

The port does not need to be set to 8000, it may be any value appropriate for your system.

Whilst this is very useful in development it should not be used in production because of both security and performance implications.