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Date: Thu, 11 Dec 2014 18:41:14 +0000 (UTC)
From: "Xiaoyu Yao (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
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Subject: [jira] [Created] (HDFS-7512) Fix byte to string encoding issues in
 hadoop-hdfs
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Xiaoyu Yao created HDFS-7512:
--------------------------------

             Summary: Fix byte to string encoding issues in hadoop-hdfs
                 Key: HDFS-7512
                 URL: https://issues.apache.org/jira/browse/HDFS-7512
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Xiaoyu Yao


In hadoop-hdfs, there are some bytes to string conversion using default charsets, which is flagged by findbugs 3.0 because the behavior of conversion depends on the platform settings of encoding. This jira proposes to fix the findbugs warnings below:

Internationalization Warnings

Code	Warning
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(DataOutputStream, DataInputStream, DataOutputStream, String, DataTransferThrottler, DatanodeInfo[], boolean): new java.io.FileWriter(File)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.addToReplicasMap(ReplicaMap, File, RamDiskReplicaTracker, boolean): new java.util.Scanner(File)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.loadDfsUsed(): new java.util.Scanner(File)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.saveDfsUsed(): new java.io.FileWriter(File)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.web.webhdfs.ExceptionHandler.exceptionCaught(Throwable): String.getBytes()
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.datanode.web.webhdfs.WebHdfsHandler.onGetFileChecksum(ChannelHandlerContext): String.getBytes()
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.mover.Mover$Cli.readPathFile(String): new java.io.FileReader(String)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getListingInt(FSDirectory, String, byte[], boolean): new String(byte[])
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.FSImageUtil.<static initializer for FSImageUtil>(): String.getBytes()
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.INode.dumpTreeRecursively(PrintStream): new java.io.PrintWriter(OutputStream, boolean)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.tools.offlineImageViewer.FSImageHandler.channelRead0(ChannelHandlerContext, HttpRequest): String.getBytes()
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.tools.offlineImageViewer.FSImageHandler.exceptionCaught(ChannelHandlerContext, Throwable): String.getBytes()
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(String[]): new java.io.PrintWriter(File)
Dm	Found reliance on default encoding in org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(String[]): new java.io.PrintWriter(OutputStream)



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