Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apache's JIRA Issue Tracker by Michael Han, 1 year ago Received packet with invalid packet: -20	at org.apache.zookeeper.server.quorum.QuorumCnxManager$