[jira] [Created] (HDFS-3509) WebHdfsFilesystem does not work within a proxyuser doAs call in secure mode

["Alejandro Abdelnur (JIRA)" <ji...@apache.org>]

Alejandro Abdelnur created HDFS-3509:
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             Summary: WebHdfsFilesystem does not work within a proxyuser doAs call in secure mode
                 Key: HDFS-3509
                 URL: https://issues.apache.org/jira/browse/HDFS-3509
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.0-alpha
            Reporter: Alejandro Abdelnur
            Priority: Critical


It does not find kerberos credentials in the context (the UGI is logged in from a keytab) and it fails with the following trace:

{code}
java.lang.IllegalStateException: unknown char '<'(60) in org.mortbay.util.ajax.JSON$ReaderSource@23245e75
	at org.mortbay.util.ajax.JSON.handleUnknown(JSON.java:788)
	at org.mortbay.util.ajax.JSON.parse(JSON.java:777)
	at org.mortbay.util.ajax.JSON.parse(JSON.java:603)
	at org.mortbay.util.ajax.JSON.parse(JSON.java:183)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.jsonParse(WebHdfsFileSystem.java:259)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:268)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.run(WebHdfsFileSystem.java:427)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:722)
{code}

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