LazyInitializationException during indexing of repositories containing Changeset Comments

2013-01-23 14:46:24,729 ERROR - Problem processing revisions from repo openidm due to class org.hibernate.LazyInitializationException - could not initialize proxy - no Session
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
	at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:167)
	at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:215)
	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:191)
	at com.atlassian.fecru.user.User_$$_javassist_51.getUsername(User_$$_javassist_51.java)
	at com.cenqua.fisheye.csindex.ChangesetDocBuilder.<init>(ChangesetDocBuilder.java:98)
	at com.cenqua.fisheye.csindex.ChangesetIndexer.indexChangesetComment(ChangesetIndexer.java:65)
	at com.cenqua.fisheye.csindex.ChangesetCommentIndexer$1.perform(ChangesetCommentIndexer.java:37)
	at com.cenqua.fisheye.csindex.ChangesetCommentIndexer$1.perform(ChangesetCommentIndexer.java:31)
	at com.cenqua.fisheye.lucene.LuceneConnection$1.perform(LuceneConnection.java:588)
	at com.cenqua.fisheye.lucene.LuceneConnection$1.perform(LuceneConnection.java:584)
	at com.cenqua.fisheye.lucene.LuceneConnection.withWriter(LuceneConnection.java:557)
	at com.cenqua.fisheye.lucene.LuceneConnection.withWriter(LuceneConnection.java:584)
	at com.cenqua.fisheye.csindex.ChangesetCommentIndexer.reindexRep(ChangesetCommentIndexer.java:30)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.doCrossRepoRescanCheck(BaseRepositoryScanner.java:401)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.slurpRepository(BaseRepositoryScanner.java:249)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.doSlurpTransaction(BaseRepositoryScanner.java:221)
	at com.cenqua.fisheye.rep.BaseRepositoryScanner.ping(BaseRepositoryScanner.java:180)
	at com.cenqua.fisheye.rep.BaseRepositoryEngine.doSlurp(BaseRepositoryEngine.java:92)
	at com.cenqua.fisheye.rep.RepositoryEngine.slurp(RepositoryEngine.java:382)
	at com.cenqua.fisheye.rep.ping.OneOffPingRequest.doRequest(OneOffPingRequest.java:28)
	at com.cenqua.fisheye.rep.ping.PingRequest.process(PingRequest.java:58)
	at com.cenqua.fisheye.rep.RepositoryHandle.processPingRequests(RepositoryHandle.java:198)
	at com.cenqua.fisheye.rep.RepositoryHandle.access$100(RepositoryHandle.java:50)
	at com.cenqua.fisheye.rep.RepositoryHandle$2.run(RepositoryHandle.java:156)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)