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

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Invalid
• Affects Version/s: 2.0.0-alpha
• Assignee: Alejandro Abdelnur
• Reporter: Alejandro Abdelnur
• Created: 05/Jun/12 19:07
• Updated: 14/May/14 21:20
• Resolved: 14/May/14 21:20

Description

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

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)

Issue Links

• is related to: HDFS-3553 Hftp proxy tokens are broken
• requires: HDFS-3291 add test that covers HttpFS working w/ a non-HDFS Hadoop filesystem