KB438770: How can users obtain a Java Thread Dump for a Tomcat Web Server running on Windows operating systems?

To get Java thread dumps for a Tomcat Web Server running on Windows Operating Systems, the next steps can be followed:

1. Get the PID (Process Identifier) for your Java process. This can be done in one of the following ways:
   
1. Command prompt – Navigate to the bin folder of the JDK and use the command

jps -l

1. Task Manager - Open Task Manager and navigate to the Processes tab; scroll to the java.exe process and take note of the PID:

 
NOTE: If the PID column doesn’t show, you can enable it by going to Options – Select Columns:

And select the PID (Process Identifier) column:

1. Request a thread dump from the JVM – This can be done with the command:

jstack -l PID > file.log