diff --git a/bin/flash-petstore.sh b/bin/flash-petstore.sh
index c878c61f8e1..c5b28a47d03 100755
--- a/bin/flash-petstore.sh
+++ b/bin/flash-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/flash/FlashPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/flash/FlashPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/java-petstore-filemap.sh b/bin/java-petstore-filemap.sh
index 45fcdbc71ec..005ccd8304c 100755
--- a/bin/java-petstore-filemap.sh
+++ b/bin/java-petstore-filemap.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties -DfileMap=src/test/resources/petstore "
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/java/JavaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/resources.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/java/JavaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/java-petstore.sh b/bin/java-petstore.sh
index 592e0426f34..005ccd8304c 100755
--- a/bin/java-petstore.sh
+++ b/bin/java-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/java/JavaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/java/JavaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/java-wordnik-api.sh b/bin/java-wordnik-api.sh
index 87a51d5f20a..60f892ad084 100755
--- a/bin/java-wordnik-api.sh
+++ b/bin/java-wordnik-api.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties -DfileMap=samples/client/wordnik-api/spec-files"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/wordnik-api/java/JavaWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/wordnik-api/java/JavaWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
diff --git a/bin/objc-petstore.sh b/bin/objc-petstore.sh
index b9742be0d07..a9372703f74 100755
--- a/bin/objc-petstore.sh
+++ b/bin/objc-petstore.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
 export CLASSPATH="$DIR/../target/*:$DIR/../target/lib/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/objc/ObjcPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/objc/ObjcPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/objc-wordnik-api.sh b/bin/objc-wordnik-api.sh
index ed86adcc0de..28acee33985 100755
--- a/bin/objc-wordnik-api.sh
+++ b/bin/objc-wordnik-api.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties -DfileMap=samples/client/wordnik-api/spec-files"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/wordnik-api/objc/ObjcWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/wordnik-api/objc/ObjcWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
diff --git a/bin/php-petstore.sh b/bin/php-petstore.sh
index 030be6e7cb9..b9976014dd1 100755
--- a/bin/php-petstore.sh
+++ b/bin/php-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/php/PHPPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/php/PHPPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/python-petstore.sh b/bin/python-petstore.sh
index 8d8438af2ef..3e738767333 100755
--- a/bin/python-petstore.sh
+++ b/bin/python-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/python/PythonPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/python/PythonPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/python3-petstore.sh b/bin/python3-petstore.sh
index 1d586f78f72..ed72f2e10b1 100755
--- a/bin/python3-petstore.sh
+++ b/bin/python3-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/python3/Python3PetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/python3/Python3PetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/ruby-petstore.sh b/bin/ruby-petstore.sh
index d7f7f9fee2d..978f0d9d89d 100755
--- a/bin/ruby-petstore.sh
+++ b/bin/ruby-petstore.sh
@@ -1,19 +1,6 @@
 #!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-echo "" > classpath.txt
-for file in `ls target/lib`;
-        do echo -n 'target/lib/' >> classpath.txt;
-        echo -n $file >> classpath.txt;
-        echo -n ':' >> classpath.txt;
-done
-
-for file in `ls target/*.jar`;
-        do echo -n '' >> classpath.txt;
-        echo -n $file >> classpath.txt;
-        echo -n ':' >> classpath.txt;
-done
-export CLASSPATH=$(cat classpath.txt)
-
-
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/ruby/RubyPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/ruby/RubyPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/runscala.sh b/bin/runscala.sh
index a3418550f9c..c3cfc0aebff 100755
--- a/bin/runscala.sh
+++ b/bin/runscala.sh
@@ -1,5 +1,7 @@
+#!/bin/bash
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -DXmx4096M"
-scala $WORDNIK_OPTS -cp $CLASSPATH "$@"
+
+export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@"
 
diff --git a/bin/scala-petstore.sh b/bin/scala-petstore.sh
index b60ee0db30f..be836fe6e11 100755
--- a/bin/scala-petstore.sh
+++ b/bin/scala-petstore.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/petstore/scala/ScalaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/petstore/scala/ScalaPetstoreCodegen.scala http://petstore.swagger.wordnik.com/api/api-docs.json special-key
diff --git a/bin/scala-wordnik-api.sh b/bin/scala-wordnik-api.sh
index 068cb4f6ac1..e99619dc09b 100755
--- a/bin/scala-wordnik-api.sh
+++ b/bin/scala-wordnik-api.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties -DfileMap=samples/client/wordnik-api/spec-files"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH "$@" samples/client/wordnik-api/scala/ScalaWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH "$@" samples/client/wordnik-api/scala/ScalaWordnikApiCodegen.scala http://api.wordnik.com/v4/resources.json
diff --git a/bin/validate.sh b/bin/validate.sh
index f230c53ab23..4b8c554c164 100755
--- a/bin/validate.sh
+++ b/bin/validate.sh
@@ -2,5 +2,5 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 export CLASSPATH="$DIR/../target/lib/*:$DIR/../target/*"
-export JAVA_OPTS="${JAVA_OPTS} -Xmx1024M -DloggerPath=conf/log4j.properties"
-scala $WORDNIK_OPTS $JAVA_CONFIG_OPTIONS -cp $CLASSPATH com.wordnik.swagger.codegen.spec.Validator "$@"
+export JAVA_OPTS="${JAVA_OPTS} -XX:MaxPermSize=256M -Xmx1024M -DloggerPath=conf/log4j.properties"
+JAVA_OPTS=$JAVA_OPTS scala -cp $CLASSPATH com.wordnik.swagger.codegen.spec.Validator "$@"