Ping failed in MysqlValidConnectionChecker in JBoss/MySQL-ConnectorJ Combination
Today I was battling an issue for some of my colleagues. They were getting this exception from JBoss/Mysql ConnectorJ driver:
java.sql.SQLException: Ping failed: java.lang.IllegalArgumentException: object is not an instance of declaring class
in the JBoss console.
A look at the stacktrace told me, that it was coming from inside the method com.mysql.jdbc.integration.jboss.MysqlValidConnectionChecker.isValidConnection, so naturally, I dived into the [...]
April 11, 2008
Tags: exception, Java, mysql Posted in: Uncategorized 
7 Comments
The Big Acquisition Day
Hmm, it seems today was the day of big acquisitions.
Oracle Buys BEA
I can see the benefit in this one, at least for Oracle. They are getting a seriously good Java application server (WebLogic), something they have been missing always. It isn’t that Oracle has not tried. I seem to recollect that they once built one [...]
January 16, 2008
Tags: bea, mysql, oracle, sun, weblogic Posted in: Uncategorized 2 Comments