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java.lang.IllegalMonitorStateException: 	at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:127)	at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1239)	at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:431)	at oracle.dbtools.raptor.insight.SynonymsCache.getTable(SynonymsCache.java:82)	at oracle.dbtools.raptor.insight.InsightableOracleDatabase.prepareColumns(InsightableOracleDatabase.java:313)	at oracle.dbtools.raptor.insight.CompletionInsight.complete(CompletionInsight.java:731)	at oracle.dbtools.raptor.insight.CompletionInsight$InsightThread.run(CompletionInsight.java:504)