[HDFS-8601] TestWebHdfsFileSystemContract.testGetFileBlockLocations fails in branch-2.7

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.7.0
• Component/s: webhdfs
• Target Version/s: 2.7.1
• Assignee: Jitendra Nath Pandey
• Reporter: Jitendra Nath Pandey
• Created: 14/Jun/15 23:33
• Updated: 24/Nov/15 19:57
• Resolved: 15/Jun/15 00:10

Description

The test testGetFileBlockLocations in TestWebHdfsFileSystemContract fails with following stack trace in branch-2.7

java.io.IOException: Response decoding failure: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long
	at org.apache.hadoop.hdfs.web.JsonUtil.toDatanodeInfo(JsonUtil.java:340)
	at org.apache.hadoop.hdfs.web.JsonUtil.toDatanodeInfoArray(JsonUtil.java:415)
	at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlock(JsonUtil.java:445)
	at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlockList(JsonUtil.java:484)
	at org.apache.hadoop.hdfs.web.JsonUtil.toLocatedBlocks(JsonUtil.java:517)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$12.decodeResponse(WebHdfsFileSystem.java:1386)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$12.decodeResponse(WebHdfsFileSystem.java:1383)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$FsPathResponseRunner.getResponse(WebHdfsFileSystem.java:737)
	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$1.run(WebHdfsFileSystem.java:492)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:488)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getFileBlockLocations(WebHdfsFileSystem.java:1382)
	at org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract.testGetFileBlockLocations(TestWebHdfsFileSystemContract.java:136)