diff --git a/test/java/build.xml b/test/java/build.xml
index 68d7b98..7eed8c3 100644
--- a/test/java/build.xml
+++ b/test/java/build.xml
@@ -5,7 +5,7 @@
   <property name="src" location="src" />
   <property name="gen" location="gen-java" />
   <property name="build" location="build" />
-  <property name="cpath" location="../../lib/java/libthrift.jar" />
+  <property name="cpath" location="../../lib/java/libthrift.jar:/usr/share/java/commons-lang-2.3.jar" />
 
   <target name="init">
     <tstamp />
@@ -14,13 +14,13 @@
 
   <target name="generate">
     <exec executable="../../compiler/cpp/thrift">
-      <arg line="--gen java ../ThriftTest.thrift" />
+      <arg line="--gen java:hashcode ../ThriftTest.thrift" />
     </exec>
     <exec executable="../../compiler/cpp/thrift">
-      <arg line="--gen java ../DebugProtoTest.thrift" />
+      <arg line="--gen java:hashcode ../DebugProtoTest.thrift" />
     </exec>
     <exec executable="../../compiler/cpp/thrift">
-      <arg line="--gen java ../OptionalRequiredTest.thrift" />
+      <arg line="--gen java:hashcode ../OptionalRequiredTest.thrift" />
     </exec>
   </target>