Scoreboard is full,not at MaxRequestWorkers

Question

I an using Apache and Tomcat with mod-jk in my project. My web application is in Tomcat instances. I am using Apache jmeter for testing http load on tomcat. But I\'m getting the

Answer 1

This serverfault Q&A suggests that the event mpm may have a bug. The recommended settings for at least partial workaround:

StartServers 3
MinSpareServers 5
MaxSpareServers 10
ServerLimit 250
MaxRequestWorkers 250
MaxConnectionsPerChild 1000
KeepAlive Off