This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
We are using the mysql replication connector (version 5.12) with Tomcat 5.5 & Tomcat 6 to connect the master, slave databases. But the servers are hanging periodically (almost once in a day) due to the following error (excerpt from thread dump):