ASSERTION FAILED: expected reference to be not null in EDS

Issue

• We are getting an error "ASSERTION FAILED: expected reference to be not null" for the simple join of two views as shown below in the client application query.

2013-11-16 06:53:16,821 ERROR [org.teiid.PROCESSOR] Unexpected exception for request OjRkE/rAp85n.7
java.lang.AssertionError: ASSERTION FAILED: expected reference to be not null
    at org.teiid.core.util.Assertion.failed(Assertion.java:73)
    at org.teiid.core.util.Assertion.isNotNull(Assertion.java:100)
    at org.teiid.core.util.Assertion.isNotNull(Assertion.java:92)
    at org.teiid.common.buffer.TupleBuffer.getBatch(TupleBuffer.java:290)
    at org.teiid.query.processor.BatchIterator.finalRow(BatchIterator.java:64)
    at org.teiid.common.buffer.AbstractTupleSource.getCurrentTuple(AbstractTupleSource.java:69)
    at org.teiid.query.processor.BatchIterator.getCurrentTuple(BatchIterator.java:85)
    at org.teiid.common.buffer.AbstractTupleSource.nextTuple(AbstractTupleSource.java:48)
    at org.teiid.query.processor.relational.SortUtility.initialSort(SortUtility.java:248)
    at org.teiid.query.processor.relational.SortUtility.sort(SortUtility.java:185)
    at org.teiid.query.processor.relational.SourceState.sort(SourceState.java:307)
    at org.teiid.query.processor.relational.MergeJoinStrategy.loadRight(MergeJoinStrategy.java:348)
    ...