Improving JBoss 5 slow startup

Question

We upgraded from JBoss 4 (and JDK 5) to JBoss 5 (and JDK 6). The problem is that the start time has gone from 1.5 minutes (on JBoss 4) to more than 4 minutes.

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Answer 1

That is an awfully big gap in the logs. I suggest changing the log configuration to log everything at DEBUG level, rather than INFO. This will generate an awful lot more log entries, but hopefully will help you narrow it down.

The easiest way to do this is to set the -Djboss.server.log.threshold=DEBUG system property when you start JBoss