[HDFS-15523] Fix the findbugs warnings from HDFS-15520

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0
• Component/s: namenode
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 11/Aug/20 22:10
• Updated: 12/Aug/20 04:44
• Resolved: 12/Aug/20 04:44

Description

• Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.visitor.NamespacePrintVisitor.print(FSNamesystem, PrintStream):in org.apache.hadoop.hdfs.server.namenode.visitor.NamespacePrintVisitor.print(FSNamesystem, PrintStream): new java.io.PrintWriter(OutputStream) At NamespacePrintVisitor.java:[line 81]
• Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.visitor.NamespacePrintVisitor.print2File(INode, File):in org.apache.hadoop.hdfs.server.namenode.visitor.NamespacePrintVisitor.print2File(INode, File): new java.io.FileWriter(File) At NamespacePrintVisitor.java:[line 59]

Issue Links

• is broken by: HDFS-15520 Use visitor pattern to visit namespace tree
• links to: https://github.com/apache/hadoop/pull/2218