I got the stack trace below while trying to install the soap example. I had run through the other 5 examples prior to this, performing most of the steps in the README files.

FuseESB:karaf@root> Exception in thread "ActiveMQ Journal Checkpoint Worker" java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:45)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:381)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:377)
at sun.reflect.MethodAccessorGenerator.generateSerializationConstructor(MethodAccessorGenerator.java:95)
at sun.reflect.ReflectionFactory.newConstructorForSerialization(ReflectionFactory.java:313)
at java.io.ObjectStreamClass.getSerializableConstructor(ObjectStreamClass.java:1322)
at java.io.ObjectStreamClass.access$1500(ObjectStreamClass.java:50)
at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:435)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:411)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:308)
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:407)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:308)
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:407)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:308)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1114)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
at org.apache.activemq.store.kahadb.MessageDatabase.checkpointProducerAudit(MessageDatabase.java:1410)
at org.apache.activemq.store.kahadb.MessageDatabase.checkpointUpdate(MessageDatabase.java:1275)
at org.apache.activemq.store.kahadb.MessageDatabase$10.execute(MessageDatabase.java:756)
at org.apache.kahadb.page.Transaction.execute(Transaction.java:765)
at org.apache.activemq.store.kahadb.MessageDatabase.checkpointCleanup(MessageDatabase.java:754)
at org.apache.activemq.store.kahadb.MessageDatabase$3.run(MessageDatabase.java:277)