java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.sleepycat.persist.impl.ComplexFormat.checkSecKeyMetadata(ComplexFormat.java:1143)
at com.sleepycat.persist.impl.ComplexFormat.evolveFieldList(ComplexFormat.java:1428)
at com.sleepycat.persist.impl.ComplexFormat.evolveAllFields(ComplexFormat.java:1245)
at com.sleepycat.persist.impl.ComplexFormat.evolve(ComplexFormat.java:1019)
at com.sleepycat.persist.impl.Evolver.evolveFormatInternal(Evolver.java:440)
at com.sleepycat.persist.impl.Evolver.evolveFormat(Evolver.java:248)
at com.sleepycat.persist.impl.PersistCatalog.(PersistCatalog.java:357)
at com.sleepycat.persist.impl.Store.(Store.java:180)
at com.sleepycat.persist.EntityStore.(EntityStore.java:165)

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