[MAPREDUCE-4987] TestMRJobs#testDistributedCache fails on Windows due to classpath problems and unexpected behavior of symlinks

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.1.0-beta
• Component/s: distributed-cache, nodemanager
• Assignee: Chris Nauroth
• Reporter: Chris Nauroth
• Created: 07/Feb/13 04:49
• Updated: 12/May/16 18:22
• Resolved: 19/Apr/13 19:33

Description

On Windows, TestMRJobs#testDistributedCache fails on an assertion while checking the length of a symlink. It expects to see the length of the target of the symlink, but Java 6 on Windows always reports that a symlink has length 0.

Issue Links

• is part of: MAPREDUCE-4401 Enhancements to MapReduce for Windows Server and Windows Azure development and runtime environments
• is related to: HADOOP-9488 FileUtil#createJarWithClassPath only substitutes environment variables from current process environment/does not support overriding when launching new process
• is related to: YARN-488 TestContainerManagerSecurity fails on Windows
• relates to: HADOOP-9061 Java6+Windows does not work well with symlinks
• relates to: YARN-593 container launch on Windows does not correctly populate classpath with new process's environment variables and localized resources