Fix HADOOP_HOME and HIVE_HOME checks

Author: rgabo

src/package/execserver/bin/azkaban-executor-start.sh

@@ -21,15 +21,15 @@ do
   CLASSPATH=$CLASSPATH:$file
 done
 
-if [ "HADOOP_HOME" != "" ]; then
+if [ "$HADOOP_HOME" != "" ]; then
         echo "Using Hadoop from $HADOOP_HOME"
         CLASSPATH=$CLASSPATH:$HADOOP_HOME/conf:$HADOOP_HOME/*
         JAVA_LIB_PATH="-Djava.library.path=$HADOOP_HOME/lib/native/Linux-amd64-64"
 else
         echo "Error: HADOOP_HOME is not set. Hadoop job types will not run properly."
 fi
 
-if [ "HIVE_HOME" != "" ]; then
+if [ "$HIVE_HOME" != "" ]; then
         echo "Using Hive from $HIVE_HOME"
         CLASSPATH=$CLASSPATH:$HIVE_HOME/conf:$HIVE_HOME/lib/*
 fi

src/package/soloserver/bin/azkaban-solo-start.sh

@@ -21,15 +21,15 @@ do
   CLASSPATH=$CLASSPATH:$file
 done
 
-if [ "HADOOP_HOME" != "" ]; then
+if [ "$HADOOP_HOME" != "" ]; then
         echo "Using Hadoop from $HADOOP_HOME"
         CLASSPATH=$CLASSPATH:$HADOOP_HOME/conf:$HADOOP_HOME/*
         JAVA_LIB_PATH="-Djava.library.path=$HADOOP_HOME/lib/native/Linux-amd64-64"
 else
         echo "Error: HADOOP_HOME is not set. Hadoop job types will not run properly."
 fi
 
-if [ "HIVE_HOME" != "" ]; then
+if [ "$HIVE_HOME" != "" ]; then
         echo "Using Hive from $HIVE_HOME"
         CLASSPATH=$CLASSPATH:$HIVE_HOME/conf:$HIVE_HOME/lib/*
 fi

src/package/webserver/bin/azkaban-web-start.sh

@@ -21,15 +21,15 @@ do
   CLASSPATH=$CLASSPATH:$file
 done
 
-if [ "HADOOP_HOME" != "" ]; then
+if [ "$HADOOP_HOME" != "" ]; then
         echo "Using Hadoop from $HADOOP_HOME"
         CLASSPATH=$CLASSPATH:$HADOOP_HOME/conf:$HADOOP_HOME/*
         JAVA_LIB_PATH="-Djava.library.path=$HADOOP_HOME/lib/native/Linux-amd64-64"
 else
         echo "Error: HADOOP_HOME is not set. Hadoop job types will not run properly."
 fi
 
-if [ "HIVE_HOME" != "" ]; then
+if [ "$HIVE_HOME" != "" ]; then
         echo "Using Hive from $HIVE_HOME"
         CLASSPATH=$CLASSPATH:$HIVE_HOME/conf:$HIVE_HOME/lib/*
 fi