JBOSS_HOME=/Users/Aparna/Development/Tools/JBoss/jboss-as-7.1.1.Final
java -cp hornetq-core-2.2.13.Final.jar org.hornetq.core.journal.impl.ExportJournal $JBOSS_HOME/standalone/data/messagingjournal hornetq-data hq 10485760 /tmp/export.dmp
JBOSS_HOME=/Users/Aparna/Development/Tools/JBoss/jboss-as-7.1.1.Final
java -cp hornetq-core-2.2.13.Final.jar:netty-3.2.6.Final.jar:hornetq-logging-2.2.13.Final.jar org.hornetq.core.persistence.impl.journal.PrintData /Users/Aparna/Development/Tools/JBoss/jboss-as-7.1.1.Final/standalone/data/messagingbindings /Users/Aparna/Development/Tools/JBoss/jboss-as-7.1.1.Final/standalone/data/messagingjournal
JBOSS_HOME=/Users/Aparna/Development/Tools/JBoss/jboss-as-7.1.1.Final
java -cp hornetq-core-2.2.16.Final.jar:netty-3.2.6.Final.jar:hornetq-logging-2.2.13.Final.jar org.hornetq.core.persistence.impl.journal.XmlDataExporter $JBOSS_HOME/standalone/data/messagingbindings $JBOSS_HOME/standalone/data/messagingjournal $JBOSS_HOME/standalone/data/messagingjournal $JBOSS_HOME/standalone/data/messaginglargemessages > journal-export.xml
Useful info (I've been trying to dump my journal files). This was exactly what I needed to know. Tks for posting it.