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From Malligarjunan S <>
Subject Re: UDF with dependent JARs
Date Sun, 03 Aug 2014 10:20:41 GMT
Hello Tia,

Try to use fat jar.
If you are using maven, mvn assembly:single will generate the fat jar,
which includes all necessary jars in a single jar file.

Sankar S

On Sat, Aug 2, 2014 at 5:17 PM, Brian Jeltema <> wrote:

> I've written a small UDF and placed it in a JAR (a.jar).
> The UDF has a dependency on a class in another JAR (b.jar).
> in Hive, I do:
>   add jar a.jar;
>   add jar b.jar;
>   create temporary function .....;
> but when I execute the UDF, the dependency in b.jar is not found
> (NoClassDefFoundError).
> If I create a single JAR that contains the UDF and it's dependencies, the
> function works.
> Do all of the classes required for a UDF have to be supplied in a single
> JAR file?
> Brian

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