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HADOOP-9450. HADOOP_USER_CLASSPATH_FIRST is not honored; CLASSPATH is PREpended instead of APpended. Contributed by Chris Nauroth and Harsh J. (harsh) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1469214 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Harsh J 2013-04-18 07:59:06 +00:00
parent cd27afa71a
commit 5003e8de76
3 changed files with 27 additions and 21 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -546,6 +546,9 @@ Release 2.0.5-beta - UNRELEASED
HADOOP-9401. CodecPool: Add counters for number of (de)compressors
leased out. (kkambatl via tucu)
HADOOP-9450. HADOOP_USER_CLASSPATH_FIRST is not honored; CLASSPATH
is PREpended instead of APpended. (Chris Nauroth and harsh via harsh)
OPTIMIZATIONS
HADOOP-9150. Avoid unnecessary DNS resolution attempts for logical URIs

24
hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.cmd
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@ -145,18 +145,6 @@ if exist %HADOOP_COMMON_HOME%\%HADOOP_COMMON_LIB_JARS_DIR% (
set CLASSPATH=!CLASSPATH!;%HADOOP_COMMON_HOME%\%HADOOP_COMMON_DIR%\*
@rem
@rem add user-specified CLASSPATH last
@rem
if defined HADOOP_CLASSPATH (
if defined HADOOP_USER_CLASSPATH_FIRST (
set CLASSPATH=%HADOOP_CLASSPATH%;%CLASSPATH%;
) else (
set CLASSPATH=%CLASSPATH%;%HADOOP_CLASSPATH%;
)
)
@rem
@rem default log directory % file
@rem
@ -289,4 +277,16 @@ if not "%HADOOP_MAPRED_HOME%\%MAPRED_DIR%" == "%HADOOP_YARN_HOME%\%YARN_DIR%" (
set CLASSPATH=!CLASSPATH!;%HADOOP_MAPRED_HOME%\%MAPRED_DIR%\*
)
@rem
@rem add user-specified CLASSPATH last
@rem
if defined HADOOP_CLASSPATH (
if defined HADOOP_USER_CLASSPATH_FIRST (
set CLASSPATH=%HADOOP_CLASSPATH%;%CLASSPATH%;
) else (
set CLASSPATH=%CLASSPATH%;%HADOOP_CLASSPATH%;
)
)
:eof

21
hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh
View File

@ -158,10 +158,6 @@ fi
# CLASSPATH initially contains $HADOOP_CONF_DIR
CLASSPATH="${HADOOP_CONF_DIR}"
if [ "$HADOOP_USER_CLASSPATH_FIRST" != "" ] && [ "$HADOOP_CLASSPATH" != "" ] ; then
CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
fi
# so that filenames w/ spaces are handled correctly in loops below
IFS=
@ -182,11 +178,6 @@ fi
CLASSPATH=${CLASSPATH}:$HADOOP_COMMON_HOME/$HADOOP_COMMON_DIR'/*'
# add user-specified CLASSPATH last
if [ "$HADOOP_USER_CLASSPATH_FIRST" = "" ] && [ "$HADOOP_CLASSPATH" != "" ]; then
CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
fi
# default log directory & file
if [ "$HADOOP_LOG_DIR" = "" ]; then
HADOOP_LOG_DIR="$HADOOP_PREFIX/logs"
@ -285,3 +276,15 @@ if [ "$HADOOP_MAPRED_HOME/$MAPRED_DIR" != "$HADOOP_YARN_HOME/$YARN_DIR" ] ; then
CLASSPATH=${CLASSPATH}:$HADOOP_MAPRED_HOME/$MAPRED_DIR'/*'
fi
# Add the user-specified CLASSPATH via HADOOP_CLASSPATH
# Add it first or last depending on if user has
# set env-var HADOOP_USER_CLASSPATH_FIRST
if [ "$HADOOP_CLASSPATH" != "" ]; then
# Prefix it if its to be preceded
if [ "$HADOOP_USER_CLASSPATH_FIRST" != "" ]; then
CLASSPATH=${HADOOP_CLASSPATH}:${CLASSPATH}
else
CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
fi
fi