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IteratorChains must contain at least one Iterator [java] at org.apache.commons.collections.iterators.IteratorChain.checkChainIntegrity(Unknown Source) [java] at org.apache.commons.collections.iterators.IteratorChain.lockChain(Unknown Source) [java
java.lang.UnsupportedOperationException: IteratorChains must
contain at least one Iterator
[java] at
org.apache.commons.collections.iterators.IteratorChain.checkChainIntegrity(Unknown
Source)
[java] at
org.apache.commons.collections.iterators.IteratorChain.lockChain(Unknown
Source)
[java] at
org.apache.commons.collections.iterators.IteratorChain.hasNext(Unknown
Source)
[java] at
org.apache.openjpa.kernel.BrokerImpl.endTransaction(BrokerImpl.java:2148)
[java] at
org.apache.openjpa.kernel.BrokerImpl.afterCompletion(BrokerImpl.java:1777)
[java] at
org.apache.openjpa.kernel.LocalManagedRuntime.rollback(LocalManagedRuntime.java:119)
[java] at
org.apache.openjpa.kernel.BrokerImpl.rollback(BrokerImpl.java:1336)
[java]	at kodo.kernel.KodoBroker.rollback(KodoBroker.java:119)