Masatake Iwasaki created MAPREDUCE-6236:
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Summary: 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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