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https://issues.apache.org/jira/browse/MAPREDUCE-6236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Masatake Iwasaki resolved MAPREDUCE-6236.
-----------------------------------------
Resolution: Duplicate
Yes. I closed this as duplicate. Thanks [~varun_saxena].
> Fix findbugs warnings in hadoop-mapreduce-client-core
> -----------------------------------------------------
>
> Key: MAPREDUCE-6236
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6236
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Priority: Minor
>
> {code}
> Dm Found reliance on default encoding in
> org.apache.hadoop.mapreduce.security.SecureShuffleUtils.toHex(byte[]):
> java.io.ByteArrayOutputStream.toString()
> Dm Found reliance on default encoding in
> org.apache.hadoop.mapreduce.security.SecureShuffleUtils.toHex(byte[]): new
> java.io.PrintStream(OutputStream)
> Bx Boxing/unboxing to parse a primitive
> org.apache.hadoop.mapred.TaskLogAppender.setOptionsFromSystemProperties()
> Bx
> org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper.extractFields(String[],
> List) invokes inefficient new Integer(String) constructor; use
> Integer.valueOf(String) instead
> RCN Redundant nullcheck of info, which is known to be non-null in
> org.apache.hadoop.mapred.IndexCache.removeMap(String)
> RCN Redundant nullcheck of
> org.apache.hadoop.mapreduce.task.JobContextImpl.getWorkingDirectory(), which
> is known to be non-null in
> org.apache.hadoop.mapreduce.JobSubmitter.addLog4jToDistributedCache(Job, Path)
> RCN Redundant nullcheck of
> org.apache.hadoop.mapreduce.task.JobContextImpl.getWorkingDirectory(), which
> is known to be non-null in
> org.apache.hadoop.mapreduce.JobSubmitter.copyAndConfigureFiles(Job, Path)
> RCN Redundant nullcheck of value, which is known to be non-null in
> org.apache.hadoop.mapreduce.util.ResourceBundles.getValue(String, String,
> String, Object)
> UrF Unread public/protected field:
> org.apache.hadoop.mapred.lib.CombineFileRecordReader.rrClass
> UrF Unread public/protected field:
> org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader.rrClass
> UuF Unused public or protected field:
> org.apache.hadoop.mapred.lib.CombineFileRecordReader.fs
> UuF Unused public or protected field:
> org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader.fs
> {code}
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