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https://issues.apache.org/jira/browse/HDFS-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330391#comment-14330391
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Eric Payne commented on HDFS-7818:
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[~brahmareddy] Thanks for interest in this issue.
bq. can you describe more about the scenario..like does path gzip contain any
special character like "+"..?
There's nothing special about the filename. {{hadoop fs -text file}} doesn't
work with any file, even one that is not gzipped. If a file is plain text, it
should work the same as with {{-cat}}.
The problem is in the webhdfs {{ParameterParser}} code. If an offset is not
passed, it should assume offset = 0 rather than allow null.
> FsShell -text over webhdfs fails with NPE in DN
> -----------------------------------------------
>
> 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
>
> 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}
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