[HDFS-3833] TestDFSShell fails on Windows due to file concurrent read write

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1-win, 3.0.0-alpha1
• Fix Version/s: 1-win, 2.0.2-alpha
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Brandon Li
• Reporter: Brandon Li
• Created: 21/Aug/12 23:47
• Updated: 12/May/16 18:14
• Resolved: 31/Aug/12 20:38

Description

TestDFSShell sometimes fails due to the race between the write issued by the test and blockscanner. Example stack trace:

Error Message

c:\A\HM\build\test\data\dfs\data\data1\current\blk_-7735708801221347790 (The requested operation cannot be performed on a file with a user-mapped section open)

Stacktrace

java.io.FileNotFoundException: c:\A\HM\build\test\data\dfs\data\data1\current\blk_-7735708801221347790 (The requested operation cannot be performed on a file with a user-mapped section open)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
	at java.io.PrintWriter.<init>(PrintWriter.java:218)
	at org.apache.hadoop.hdfs.TestDFSShell.corrupt(TestDFSShell.java:1133)
	at org.apache.hadoop.hdfs.TestDFSShell.testGet(TestDFSShell.java:1231)

Issue Links

• relates to: HADOOP-8645 Stabilize branch-1-win