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Eric Payne commented on HDFS-7818: ---------------------------------- Now that I look at it, the patch in HDFS-7818.v3.txt is not exactly correct either. I think that if we want to keep the NULL check in a constructor, it should be done in {{OffsetParam(final Long value)}} instead of {{OffsetParam(final String str)}}, since the latter invokes the former. > DataNode throws NPE if the WebHdfs URL does not contain the offset parameter > ---------------------------------------------------------------------------- > > Key: HDFS-7818 > URL: https://issues.apache.org/jira/browse/HDFS-7818 > Project: Hadoop HDFS > Issue Type: Bug > Components: webhdfs > Affects Versions: 2.7.0 > Reporter: Eric Payne > Assignee: Eric Payne > Attachments: HDFS-7818.v1.txt, HDFS-7818.v2.txt, HDFS-7818.v3.txt > > > This is a regression in 2.7 and later. > {{hadoop fs -cat}} over webhdfs works, but {{hadoop fs -text}} does not: > {code} > $ hadoop fs -cat webhdfs://myhost.com/tmp/test.1 > ... output ... > $ hadoop fs -text webhdfs://myhost.com/tmp/test.1 > text: org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException): > null > at > org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:165) > at > org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:358) > at > org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:91) > at > org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:615) > at > org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:463) > at > org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:492) > ... > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)