java.lang.IndexOutOfBoundsException when executing attached test case

I am hitting the following exception when executing the given test case:

Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
at java.util.ArrayList.RangeCheck(ArrayList.java:546)
at java.util.ArrayList.get(ArrayList.java:321)
at org.apache.openjpa.jdbc.sql.SQLBuffer.setParameters(SQLBuffer.java:615)
at org.apache.openjpa.jdbc.sql.SQLBuffer.prepareStatement(SQLBuffer.java:515)
at org.apache.openjpa.jdbc.sql.SQLBuffer.prepareStatement(SQLBuffer.java:471)
at org.apache.openjpa.jdbc.sql.SelectImpl.prepareStatement(SelectImpl.java:463)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:379)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:325)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.getInitializeStateResult(JDBCStoreManager.java:503)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:322)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:278)
at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:111)
at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:894)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:852)
... 53 more
<openjpa-1.2.1-rexported nonfatal general error> org.apache.openjpa.persistence.PersistenceException: Index: 1, Size: 1
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:875)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:774)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.find(JDBCStoreManager.java:951)
at org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy.load(RelationFieldStrategy.java:609)
at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:819)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:688)
at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:116)
at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:2921)
at org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:2999)
at org.apache.openjpa.kernel.StateManagerImpl.fetchObjectField(StateManagerImpl.java:2242)
at org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy.delete(RelationFieldStrategy.java:256)
at org.apache.openjpa.jdbc.meta.FieldMapping.delete(FieldMapping.java:589)
at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.delete(AbstractUpdateManager.java:238)
at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.delete(AbstractUpdateManager.java:252)
at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.populateRowManager(AbstractUpdateManager.java:143)
at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:85)
at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:72)
at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:717)
at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:130)
at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2010)
at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:1908)
at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:1679)
at org.apache.openjpa.kernel.QueryImpl.isInMemory(QueryImpl.java:956)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:796)
at org.apache.openjpa.kernel.QueryImpl.deleteAll(QueryImpl.java:872)
at org.apache.openjpa.kernel.QueryImpl.deleteAll(QueryImpl.java:868)
at org.apache.openjpa.kernel.DelegatingQuery.deleteAll(DelegatingQuery.java:541)
at org.apache.openjpa.persistence.QueryImpl.executeUpdate(QueryImpl.java:331)
at org.apache.openjpa.persistence.test.PersistenceTestCase.clear(PersistenceTestCase.java:232)
at org.apache.openjpa.persistence.test.PersistenceTestCase.clear(PersistenceTestCase.java:205)
at org.apache.openjpa.persistence.test.SingleEMFTestCase.tearDown(SingleEMFTestCase.java:71)
at junit.framework.TestCase.runBare(TestCase.java:130)

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