Since changing to MySQL 4.1, tomcat seems to have lost the ability to talk sql to the server. A user with their site coded in java, appears to show lots of errors in the logs such as: 2006-06-13 05:13:58,378 ERROR TP-Processor11 - constructItem error java.lang.RuntimeException: Row does not exist. No row returned for executeSingleResult The section of their site that uses PHP, works.(the forums) I have rebuilt, tomcat, MySQL, httpd, php, and yet the errors persist and their main page is down (I have a redirect to their forums at the moment.) Anyone have any pointers, or experience a similar issue?