| #!/bin/bash |
| # |
| # The Hadoop record compiler |
| # |
| # Environment Variables |
| # |
| # JAVA_HOME The java implementation to use. Overrides JAVA_HOME. |
| # |
| # HADOOP_OPTS Extra Java runtime options. |
| # |
| # HADOOP_CONF_DIR Alternate conf dir. Default is ${HADOOP_HOME}/conf. |
| # |
| |
| # resolve links - $0 may be a softlink |
| THIS="$0" |
| while [ -h "$THIS" ]; do |
| ls=`ls -ld "$THIS"` |
| link=`expr "$ls" : '.*-> \(.*\)$'` |
| if expr "$link" : '.*/.*' > /dev/null; then |
| THIS="$link" |
| else |
| THIS=`dirname "$THIS"`/"$link" |
| fi |
| done |
| |
| # some directories |
| THIS_DIR=`dirname "$THIS"` |
| HADOOP_HOME=`cd "$THIS_DIR/.." ; pwd` |
| |
| # Allow alternate conf dir location. |
| HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_HOME/conf}" |
| |
| if [ -f "${HADOOP_CONF_DIR}/hadoop-env.sh" ]; then |
| source "${HADOOP_CONF_DIR}/hadoop-env.sh" |
| fi |
| |
| # some Java parameters |
| if [ "$JAVA_HOME" != "" ]; then |
| #echo "run java in $JAVA_HOME" |
| JAVA_HOME=$JAVA_HOME |
| fi |
| |
| if [ "$JAVA_HOME" = "" ]; then |
| echo "Error: JAVA_HOME is not set." |
| exit 1 |
| fi |
| |
| JAVA=$JAVA_HOME/bin/java |
| JAVA_HEAP_MAX=-Xmx1000m |
| |
| # CLASSPATH initially contains $HADOOP_CONF_DIR |
| CLASSPATH="${HADOOP_CONF_DIR}" |
| CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar |
| |
| # for developers, add Hadoop classes to CLASSPATH |
| if [ -d "$HADOOP_HOME/build/classes" ]; then |
| CLASSPATH=${CLASSPATH}:$HADOOP_HOME/build/classes |
| fi |
| if [ -d "$HADOOP_HOME/build/webapps" ]; then |
| CLASSPATH=${CLASSPATH}:$HADOOP_HOME/build |
| fi |
| if [ -d "$HADOOP_HOME/build/test/classes" ]; then |
| CLASSPATH=${CLASSPATH}:$HADOOP_HOME/build/test/classes |
| fi |
| |
| # so that filenames w/ spaces are handled correctly in loops below |
| IFS= |
| |
| # for releases, add hadoop jars & webapps to CLASSPATH |
| if [ -d "$HADOOP_HOME/webapps" ]; then |
| CLASSPATH=${CLASSPATH}:$HADOOP_HOME |
| fi |
| for f in $HADOOP_HOME/hadoop-*.jar; do |
| CLASSPATH=${CLASSPATH}:$f; |
| done |
| |
| # add libs to CLASSPATH |
| for f in $HADOOP_HOME/lib/*.jar; do |
| CLASSPATH=${CLASSPATH}:$f; |
| done |
| |
| for f in $HADOOP_HOME/lib/jetty-ext/*.jar; do |
| CLASSPATH=${CLASSPATH}:$f; |
| done |
| |
| # restore ordinary behaviour |
| unset IFS |
| |
| CLASS='org.apache.hadoop.record.compiler.generated.Rcc' |
| |
| # cygwin path translation |
| if expr `uname` : 'CYGWIN*' > /dev/null; then |
| CLASSPATH=`cygpath -p -w "$CLASSPATH"` |
| fi |
| |
| # run it |
| exec "$JAVA" $HADOOP_OPTS -classpath "$CLASSPATH" $CLASS "$@" |