diff --git a/core/bldenvchk.sh b/core/bldenvchk.sh
index cb444f4..1938f6c 100755
--- a/core/bldenvchk.sh
+++ b/core/bldenvchk.sh
@@ -50,7 +50,7 @@
       printf '%s =\t%s\n' $AVAR $AVALUE
    fi
    if [[ $RESULT != 0 ]]; then
-      echo "*** Error: $AVAR file not found in PATH."
+      echo "*** Error: $AVAR file not found in PATH or file not fully qualified."
       RETVAL=1
    fi
 done
diff --git a/core/sqf/sqenvcom.sh b/core/sqf/sqenvcom.sh
index ea9e28a..7da22f6 100644
--- a/core/sqf/sqenvcom.sh
+++ b/core/sqf/sqenvcom.sh
@@ -235,8 +235,12 @@
   # native library directories and include directories
   export HADOOP_LIB_DIR=$YARN_HOME/lib/native
   export HADOOP_INC_DIR=$YARN_HOME/include
-  export THRIFT_LIB_DIR=$TOOLSDIR/thrift-0.9.0/lib
-  export THRIFT_INC_DIR=$TOOLSDIR/thrift-0.9.0/include
+  if [ -z $THRIFT_LIB_DIR ]; then
+    export THRIFT_LIB_DIR=$TOOLSDIR/thrift-0.9.0/lib
+  fi
+  if [ -z $THRIFT_INC_DIR ]; then
+    export THRIFT_INC_DIR=$TOOLSDIR/thrift-0.9.0/include
+  fi
   export CURL_INC_DIR=/usr/include
   export CURL_LIB_DIR=/usr/lib64
   # directories with jar files and list of jar files
@@ -615,8 +619,12 @@
 
 # Common for local workstations, Cloudera, Hortonworks and MapR
 
-export ZOOKEEPER_DIR=$TOOLSDIR/zookeeper-3.4.5
-export MPICH_ROOT=$TOOLSDIR/dest-mpich-3.0.4
+if [ -z $ZOOKEEPER_DIR ]; then
+  export ZOOKEEPER_DIR=$TOOLSDIR/zookeeper-3.4.5
+fi
+if [ -z $MPICH_ROOT ]; then
+  export MPICH_ROOT=$TOOLSDIR/dest-mpich-3.0.4
+fi
 export PROTOBUFS=/usr
 
 # LOG4CXX
@@ -761,27 +769,36 @@
 ######################
 
 # Standard tools expected to be installed and found in PATH
-export ANT="/usr/bin/ant"
-if [[ ! -e $ANT ]]; then
-  ANT="${TOOLSDIR}/bin/ant"
-fi
+# Tool availability are checked during the build (make) step
+export ANT=ant
 export AR=ar
 export FLEX=flex
 export CXX=g++
+
+# Maven may not yet be in the path. Check and report an error
 export MAVEN=mvn
 if [[ -z "$(which $MAVEN 2> /dev/null)" ]]; then
-  export M2_HOME="${TOOLSDIR}/apache-maven-3.0.5"
-  MAVEN="${M2_HOME}/bin/mvn"
+  echo " *** ERROR unable to find mvn (MAVEN) in path"
+  echo " *** please include it in your path before attempting your build"
 fi
 
 # Non-standard or newer version tools
-export BISON="${TOOLSDIR}/bison_3_linux/bin/bison"     # Need 1.3 version or later
-export LLVM="${TOOLSDIR}/dest-llvm-3.2"
-export UDIS86="${TOOLSDIR}/udis86-1.7.2"
-export ICU="${TOOLSDIR}/icu4.4"
+if [ -z $BISON ]; then
+  export BISON="${TOOLSDIR}/bison_3_linux/bin/bison"     # Need 1.3 version or later
+fi
+if [ -z $LLVM ]; then
+  export LLVM="${TOOLSDIR}/dest-llvm-3.2"
+fi
+if [ -z $UDIS86 ]; then
+  export UDIS86="${TOOLSDIR}/udis86-1.7.2"
+fi
+if [ -z $ICU ]; then
+  export ICU="${TOOLSDIR}/icu4.4"
+fi
 
 #######################
 # Developer Local over-rides  (see sqf/LocalSettingsTemplate.sh)
+# Cannot rely on this, the connectivity build overwrites the .trafodion file
 ######################
 if [[ -r ~/.trafodion ]]; then
   [[ $SQ_VERBOSE == 1 ]] && echo "Sourcing local settings file ~/.trafodion"
diff --git a/core/sqf/src/seatrans/hbase-trx/Makefile b/core/sqf/src/seatrans/hbase-trx/Makefile
index 7abfa16..5cab6dd 100644
--- a/core/sqf/src/seatrans/hbase-trx/Makefile
+++ b/core/sqf/src/seatrans/hbase-trx/Makefile
@@ -60,7 +60,7 @@
 	cp -pf target/$(BLD_HBASE_APACHE_TRX_JARNAME) $(MY_SQROOT)/export/lib
 	$(RM) $(VFILE)
 
-build_all: jdk_1_7_apache jdk_1_7_cdh jdk_1_7_hdp jdk_1_7_mapr
+build_all: jdk_1_7_apache jdk_1_7_cdh jdk_1_7_hdp 
 #build_all: jdk_1_7_apache jdk_1_7_cdh
 
 build_chk_apache:
diff --git a/install/traf_tools_setup.sh b/install/traf_tools_setup.sh
index ca0e092..e3853bf 100755
--- a/install/traf_tools_setup.sh
+++ b/install/traf_tools_setup.sh
@@ -397,7 +397,7 @@
 
 # -----------------------------------------------------------------------------
 # install maven, if version 3 or greater not available already
-#MAVEN_VERSION=`mvn --version 2>/dev/null | grep 'Apache Maven' | cut -f 3 -d ' '`
+MAVEN_VERSION=`mvn --version 2>/dev/null | grep 'Apache Maven' | cut -f 3 -d ' '`
 if [[ ! "$MAVEN_VERSION" =~ "3." ]]; then
   cd $BASEDIR
   echo
@@ -413,6 +413,8 @@
   fi
     echo "INFO: Maven installation complete" | tee -a $LOGFILE
   echo " *********************************************************** " | tee -a $LOGFILE
+else
+  echo "INFO:  Maven is already installed, skipping to next tool" | tee -a $LOGFILE
 fi
 
 echo