HADOOP-9921. daemon scripts should remove pid file on stop call after stop or process is found not running ( Contributed by Vinayakumar B)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610964 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -422,6 +422,9 @@ Release 2.6.0 - UNRELEASED
 
     HADOOP-10810. Clean up native code compilation warnings. (cnauroth)
 
+    HADOOP-9921. daemon scripts should remove pid file on stop call after stop
+    or process is found not running ( vinayakumarb )
+
 Release 2.5.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/bin/hadoop-daemon.sh

@@ -198,6 +198,7 @@ case $startStop in
       else
         echo no $command to stop
       fi
+      rm -f $pid
     else
       echo no $command to stop
     fi

hadoop-mapreduce-project/bin/mr-jobhistory-daemon.sh

@@ -133,6 +133,7 @@ case $startStop in
       else
         echo no $command to stop
       fi
+      rm -f $pid
     else
       echo no $command to stop
     fi

hadoop-yarn-project/hadoop-yarn/bin/yarn-daemon.sh

@@ -145,6 +145,7 @@ case $startStop in
       else
         echo no $command to stop
       fi
+      rm -f $pid
     else
       echo no $command to stop
     fi