Hadoop 文件系统多次关闭的问题

复制2013-05-20 17:39:00,文件153 ERROR com.sunchangming.searchlog.CopyAppLogs: err on 2013051918_api_access_65.gz java.io.IOException: Filesystem closed at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:319) at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1026) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:524) at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:768) at com.sunchangming.searchlog.CopyAppLogs.copyFile(CopyAppLogs.java:51) at com.sunchangming.searchlog.CopyAppLogs.access$000(CopyAppLogs.java:18) at com.sunchangming.searchlog.CopyAppLogs$1.run(CopyAppLogs.java:194) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722)1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.