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我有一個在Amazon EC2（Amazon Linux）實例上的Tomcat 6內部運行的Web服務。它使用Hibernate Search。我添加了非常基本的hibernate搜索配置。我不斷收到java.nio.channels.OverlappingFileLockException：null的異常。下面Hibernate搜索java.nio.channels.OverlappingFileLockException異常
java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1088)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:1154)
at org.apache.lucene.store.NativeFSLock.obtain(NativeFSLockFactory.java:217)
at org.apache.lucene.store.Lock.obtain(Lock.java:72)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1098)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:146)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:113)
at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriter(AbstractWorkspaceImpl.java:120)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:101)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:148)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:138)
at java.lang.Thread.run(Thread.java:745)