Home JBoss howto Persistence - Database How to use an env variable in your persistence.xml ?
30 | 07 | 2010
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How to use an env variable in your persistence.xml ?
Written by Mark S.   
jBoss recipe of the day
Simply wrap your env variable in into ${variable}

Example:
<persistence> 
	<persistence-unit name="CustomEJB3Persistence"> 
		<jta-data-source>${myds}</jta-data-source> 
	</persistence-unit> 
</persistence>

then pass the variable to the runs.h script

run.sh -Dmyds=$myds
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