[jira] [Created] (HDFS-5830) WebHdfsFileSystem.getFileBlockLocations throws IllegalArgumentException when accessing another cluster.

["Yongjun Zhang (JIRA)" <ji...@apache.org>]

Yongjun Zhang created HDFS-5830:
-----------------------------------

             Summary: WebHdfsFileSystem.getFileBlockLocations throws IllegalArgumentException when accessing another cluster. 
                 Key: HDFS-5830
                 URL: https://issues.apache.org/jira/browse/HDFS-5830
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: caching, hdfs-client
    Affects Versions: 2.3.0
            Reporter: Yongjun Zhang
            Assignee: Yongjun Zhang


WebHdfsFileSystem.getFileBlockLocations throws IllegalArgumentException when accessing a another cluster (that doesn't have caching support). 

java.lang.IllegalArgumentException: cachedLocs should not be null, use a different constructor
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
at org.apache.hadoop.hdfs.protocol.LocatedBlock.<init>(LocatedBlock.java:79)
at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlock(JsonUtil.java:414)
at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlockList(JsonUtil.java:446)
at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlocks(JsonUtil.java:479)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getFileBlockLocations(WebHdfsFileSystem.java:1067)
at org.apache.hadoop.fs.FileSystem$4.next(FileSystem.java:1812)
at org.apache.hadoop.fs.FileSystem$4.next(FileSystem.java:1797)




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