Tomcat JDBC Conencton Pool + MySQL gives “Broken pipe” problems, even with connection validation

Question

I\'m fighting with configuring Tomcat JDBC Connection Pool to achieve reliability. Current issue is that in test environment I have such scanerio in webapp:

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Answer 1

You need to set 'testOnBorrow' to 'true', and probably 'maxAge' to less than the server's configured 'wait_timeout', as hinted in the message.