[HADOOP-10380] Cleanup javac warnings

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha1
• Component/s: build
• Assignee: Unassigned
• Reporter: Akira Ajisaka
• Created: 04/Mar/14 02:05
• Updated: 12/May/16 18:24

Description

There are many javac warnings when compiling Hadoop.
See https://builds.apache.org/job/PreCommit-HADOOP-Build/3621/artifact/trunk/patchprocess/filteredTrunkJavacWarnings.txt

Issue Links

• relates to: HDFS-6090 Use MiniDFSCluster.Builder instead of deprecated constructors
• relates to: MAPREDUCE-5800 Use Job#getInstance instead of deprecated constructors

Sub-Tasks

• Use FileSystem#makeQualified(Path) instead of Path#makeQualified(FileSystem): Resolved
• Fix hadoop-auth javac warnings: Closed
• Fix the javac warnings in the ipc package.: Closed
• CreateOpts.getOpt(..) should declare with generic type argument: Closed
• Fix the javac warnings in the conf and the util package: Closed
• Fix compilation error in branch-2 after HADOOP-10426: Closed
• Fix the javac warnings in the security packages.: Closed