Fix java tool installers

Author: lukasmasuch

resources/tools/java-runtime.sh

@@ -15,7 +15,7 @@ done
 if ! hash java 2>/dev/null; then
     echo "Installing Java Runtime. Please wait..."
     apt-get update
-    apt-get install -y --no-install-recommends openjdk-11-jdk maven scala && \
+    apt-get install -y --no-install-recommends openjdk-11-jdk maven scala
 else
     echo "Java Runtime is already installed"
 fi

resources/tools/java-utils.sh

@@ -19,7 +19,7 @@ apt-get install -y --no-install-recommends \
         gradle
 
 # Install Java - Python Integrations
-pip install --no-cache-dir jep py4j
+# pip install --no-cache-dir jep py4j
 
 if [[ $(jupyter kernelspec list) =~ "java" ]]; then
     echo "Java Kernel for Jupyter is already installed."