diff --git a/jenkins/create_jobs.groovy b/jenkins/create_jobs.groovy
index 2172988c7..357ecb11a 100644
--- a/jenkins/create_jobs.groovy
+++ b/jenkins/create_jobs.groovy
@@ -129,8 +129,20 @@ svn status
 # print out information about which exact version of java we are using
 echo Java-Home: $JAVA_HOME
 ls -al $JAVA_HOME/
+ls -al $JAVA_HOME/bin
 $JAVA_HOME/bin/java -version
 
+echo which java
+which java
+java -version
+
+echo which javac
+which javac
+javac -version
+
+echo '<project default="test"><target name="test"><echo>Java ${ant.java.version}/${java.version}</echo><exec executable="javac"><arg value="-version"/></exec></target></project>' > build.javacheck.xml
+ant -f build.javacheck.xml -v
+
 POIJOBSHELL
 
 # ignore any error message