update scripting library

bootstrap.sh

@@ -3,7 +3,7 @@
 # ref. https://help.sap.com/viewer/368c481cd6954bdfa5d0435479fd4eaf/LATEST/en-US/03b32eb2c5c249f0a59bcd27c44d1e4e.html
 GROOVY_VERSION=2.4.12
 echo "Setting up Groovy runtime $GROOVY_VERSION..."
-curl -O "https://archive.apache.org/dist/groovy/$GROOVY_VERSION/distribution/apache-groovy-binary-$GROOVY_VERSION.zip"
+curl -f -O "https://archive.apache.org/dist/groovy/$GROOVY_VERSION/distribution/apache-groovy-binary-$GROOVY_VERSION.zip"
 unzip -qo apache-groovy-binary*.zip
 echo "Setting up Groovy runtime $GROOVY_VERSION... DONE"
 
@@ -12,7 +12,22 @@ echo "Downloading SCPI APIs..."
 mkdir -p 'lib'
 (
     cd lib || exit 1
-    curl -O --cookie 'eula_3_1_agreed=tools.hana.ondemand.com/developer-license-3_1.txt' https://tools.hana.ondemand.com/additional/com.sap.it.public.generic.api-2.20.0.jar
-    curl -O --cookie 'eula_3_1_agreed=tools.hana.ondemand.com/developer-license-3_1.txt' https://tools.hana.ondemand.com/additional/cloud.integration.script.apis-1.36.1.jar
+    curl -f -O --cookie 'eula_3_1_agreed=tools.hana.ondemand.com/developer-license-3_1.txt' \
+        'https://tools.hana.ondemand.com/additional/com.sap.it.public.generic.api-2.22.0.jar'
+    if [ "$?" -ne "0" ]; then
+        echo "Generic API not found; update links with latest version from https://tools.hana.ondemand.com/#cloudintegration"
+        exit 1
+    fi
+    curl -f -O --cookie 'eula_3_1_agreed=tools.hana.ondemand.com/developer-license-3_1.txt' \
+        'https://tools.hana.ondemand.com/additional/cloud.integration.script.apis-2.7.1.jar'
+    if [ "$?" -ne "0" ]; then
+        echo "Scripting API not found; update links with latest version from https://tools.hana.ondemand.com/#cloudintegration"
+        exit 1
+    fi
 )
-echo "Downloading SCPI APIs... DONE"
+if [ "$?" -ne "0" ]; then
+    echo "Downloading SCPI APIs... FAILED"
+    exit 1
+else
+    echo "Downloading SCPI APIs... DONE"
+fi

impl/MessageImpl.groovy

@@ -98,6 +98,18 @@ class MessageImpl implements Message {
         throw new RuntimeException()
     }
 
+    void setSoapHeaders(java.util.List l) {
+        throw new RuntimeException()
+    }
+
+    void clearSoapHeaders() {
+        throw new RuntimeException()
+    }
+
+    java.util.List getSoapHeaders() {
+        throw new RuntimeException()
+    }
+
     @Override
     String toString() {
         def result = "MessageImpl\n"