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java.lang.Error: Maximum lock count exceeded	at java.util.concurrent.locks.ReentrantReadWriteLock$Sync.fullTryAcquireShared(ReentrantReadWriteLock.java:528)	at java.util.concurrent.locks.ReentrantReadWriteLock$Sync.tryAcquireShared(ReentrantReadWriteLock.java:488)	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1282)	at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:727)	at org.geotools.data.shapefile.files.ShpFiles.acquireRead(ShpFiles.java:358)	at org.geotools.data.shapefile.files.ShpFiles.getReadChannel(ShpFiles.java:789)	at org.geotools.data.shapefile.shp.ShapefileReader.(ShapefileReader.java:253)	at org.geotools.data.shapefile.ShapefileSetManager.openShapeReader(ShapefileSetManager.java:51)	at org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal(ShapefileFeatureSource.java:263)	at org.geotools.data.shapefile.ShapefileFeatureStore.getReaderInternal(ShapefileFeatureStore.java:124)	at org.geotools.data.store.ContentFeatureSource.getReader(ContentFeatureSource.java:563)	at org.geotools.data.store.ContentFeatureCollection.features(ContentFeatureCollection.java:165)