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The "HowTo" page has been changed by KonstantinKolinko: https://wiki.apache.org/tomcat/HowTo?action=diff&rev1=143&rev2=144 Comment: Update options for obtaining a thread dump. Add StuckThreadDetectionValve. If you cannot use any of the above methods, it is also possible to obtain a thread dump programmatically, with a Servlet or JSP page that runs within Tomcat. For example, you can use `java.lang.Thread.getAllStackTraces()` method. - Tomcat Manager web application in Tomcat 8 and later supports a command that outputs a thread dump. + Tomcat Manager web application starting with Tomcat 7.0.58 / 8.0.0 supports a command that outputs a thread dump. - ([[https://issues.apache.org/bugzilla/show_bug.cgi?id=57261|Not yet documented]]) + ([[http://tomcat.apache.org/tomcat-8.0-doc/manager-howto.html#Thread_Dump|Tomcat 8 documentation]], [[https://issues.apache.org/bugzilla/show_bug.cgi?id=57261|BZ 57261]]) + `StuckThreadDetectionValve` valve logs stacktraces of request processing threads that are busy for longer than configured time limit. It is available starting with Tomcat 6.0.36 / 7.0.14. ([[http://tomcat.apache.org/tomcat-8.0-doc/config/valve.html#Stuck_Thread_Detection_Valve|Tomcat 8 documentation]]) + + ---- == How do I read a Java thread dump ? == Java thread dumps are just text files, so you can read them with any text editor. There are some tools that can make your life easier, especially if you need to look at more than one thread dump at once. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org
