Apache Tomcat: Please increase maxThreads error and solution

Q. I am getting following error:

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…All threads are busy, waiting. Please increase maxThreads or check the servlet status…
How do I fix this problem?

A. You need to setup a higher value for maxProcessors in Tomcat’s server.xml file. Open the file:

# vi server.xml

Set the maxProcessor value to 500 or something higher as per your requirement. Restart the Apache/Tomcat to take effect.

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