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

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java.lang.NullPointerException:
at org.opendedup.sdfs.filestore.HashBlobArchive.putChunk(Unknown Source)
at org.opendedup.sdfs.filestore.HashBlobArchive.writeBlock(Unknown Source)
at org.opendedup.sdfs.filestore.BatchFileChunkStore.writeChunk(Unknown Source)
at org.opendedup.sdfs.filestore.ChunkData.persistData(Unknown Source)
at org.opendedup.collections.ProgressiveFileBasedCSMap.put(Unknown Source)
at org.opendedup.collections.ProgressiveFileBasedCSMap.put(Unknown Source)
at org.opendedup.sdfs.filestore.HashStore.addHashChunk(Unknown Source)
at org.opendedup.sdfs.servers.HashChunkService.writeChunk(Unknown Source)
at org.opendedup.sdfs.servers.HCServiceProxy.writeChunk(Unknown Source)
at org.opendedup.hashing.Finger.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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