Thanks Prashant, I am using 'Apache Pig version 0.8.0'. package name is correct. It work correct if i remove constructor (i.e if remove constructor and remove '--define' from pig script.)
On Mon, Nov 28, 2011 at 1:41 PM, Prashant Kommireddi <[email protected]>wrote: > What version of Pig are you using? Can you make sure the package name/path > "myjar.PigClass" is correct. > > On Sun, Nov 27, 2011 at 11:56 PM, Anil Barfa <[email protected]> wrote: > > > Hi > > I am using java UDF with pig. I want pass file name to UDF. I have done > it > > as follows but it is not working. > > > > PIg script > > > > REGISTER myjar.jar; > > DEFINE myfun myjar.PigClass('/home/myfile.txt'); > > > > --load input data > > InputValue = LOAD '$input' AS (val1,val2,val3); > > > > InputWithMeta = FOREACH InputValue GENERATE myfun(val1,val2,val3); > > > > > > Java code PigClass.java > > > > class PigClass extends EvalFunc<Tuple> > > { > > public PigClass(String strPath) > > { > > } > > public Tuple exec(Tuple input ) throws IOException { > > } > > }; > > > > I am getting following Error. > > > > *<file MyScript.pig, line 7, column 45> Failed to generate logical plan. > > Nested exception: java.lang.RuntimeException: could not instantiate ' > > myjar.PigClass**' with arguments '[/home/myfile.txt]'* > > > > > > Thanks and Regards > > Anil Barfa > > >
