ActiveMQ Fails to start with OutOfMemoryError: Java Heap Space

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Issue

My broker fails to start and reports the following message:

2014-02-21 06:55:55,723 | WARN  | Failed to browse Topic: my.topic | org.apache.activemq.broker.region.Topic | ActiveMQ Broker[localhost] Scheduler
java.lang.OutOfMemoryError: Java heap space

Environment

JBoss Fuse 6.0
JBoss A-MQ 6.0
ActiveMQ 5.8.0.redhat-60024

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