You need to point exactly to jython.jar. so /path/to/jython.jar has to be there. The same is true of the UDF (you have to point to the exact file).
2011/1/7 <[email protected]> > Oh Okay. I thought Jython comes bundled with PIG 0.8. > > Anyway, I downloaded Jython_Installer-x.xx.jar and unpacked it in the PIG > Classpath. Also kept my UDF in classpath as suggested. But I am still > getting the exact same error. > > Any more ideas? > > -----Original Message----- > From: Jonathan Coveney [mailto:[email protected]] > Sent: Friday, January 07, 2011 8:04 PM > To: [email protected] > Subject: Re: Python UDF Internal Error when Registering > > Make sure that in the register, you use the absolute path. Also make sure > that both the jython.jar and udf asre in your classpath. A good test is to > do that, then try and register in local mode. If that works, then try on > your cluster. Always making sure that your classpath has those details > > Sent via BlackBerry > > -----Original Message----- > From: <[email protected]> > Date: Fri, 7 Jan 2011 19:57:16 > To: <[email protected]> > Reply-To: [email protected] > Subject: Python UDF Internal Error when Registering > > Hi, > > I get an error when I try to register my python udf. Why is this happening? > > grunt> Register 'udf.py' USING jython AS udf > 2011-01-07 19:39:31,818 [main] ERROR org.apache.pig.tools.grunt.Grunt - > ERROR 2998: Unhandled internal error. org/python/util/PythonInterpreter > > The Logs say the following: > > Pig Stack Trace > --------------- > ERROR 2998: Unhandled internal error. org/python/util/PythonInterpreter > > java.lang.NoClassDefFoundError: org/python/util/PythonInterpreter > at > org.apache.pig.scripting.jython.JythonScriptEngine$Interpreter.<clinit>(JythonScriptEngine.java:54) > at > org.apache.pig.scripting.jython.JythonScriptEngine.registerFunctions(JythonScriptEngine.java:105) > at org.apache.pig.PigServer.registerCode(PigServer.java:507) > at > org.apache.pig.tools.grunt.GruntParser.processRegister(GruntParser.java:381) > at > org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:421) > at > org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:165) > at > org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:141) > at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:90) > at org.apache.pig.Main.run(Main.java:510) > at org.apache.pig.Main.main(Main.java:107) > Caused by: java.lang.ClassNotFoundException: > org.python.util.PythonInterpreter > at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > ... 10 more > > ================================================================================ > Any ideas? > > Please do not print this email unless it is absolutely necessary. > > The information contained in this electronic message and any attachments to > this message are intended for the exclusive use of the addressee(s) and may > contain proprietary, confidential or privileged information. If you are not > the intended recipient, you should not disseminate, distribute or copy this > e-mail. Please notify the sender immediately and destroy all copies of this > message and any attachments. > > WARNING: Computer viruses can be transmitted via email. The recipient > should check this email and any attachments for the presence of viruses. The > company accepts no liability for any damage caused by any virus transmitted > by this email. > > www.wipro.com >
