Yes that's correct. I prefer to download the jars in "add jar". Zheng
On Mon, Feb 8, 2010 at 3:46 PM, Philip Zeyliger <[email protected]> wrote: > Hi folks, > > I have a quick question about UDF support in Hive. I'm on the 0.5 branch. > Can you use a UDF where the jar which contains the function is on HDFS, and > not on the local filesystem. Specifically, the following does not seem to > work: > > # This is Hive 0.5, from svn > $bin/hive > Hive history file=/tmp/philip/hive_job_log_philip_201002081541_370227273.txt > hive> add jar hdfs://localhost/FooTest.jar; > > Added hdfs://localhost/FooTest.jar to class path > hive> create temporary function cube as 'com.cloudera.FooTestUDF'; > > FAILED: Execution Error, return code 1 from > org.apache.hadoop.hive.ql.exec.FunctionTask > > Does this work for other people? I could probably fix it by changing "add > jar" to download remote jars locally, when necessary (to load them into the > classpath), or update URLClassLoader (or whatever is underneath there) to > read directly from HDFS, which seems a bit more fragile. But I wanted to > make sure that my interpretation of what's going on is right before I have > at it. > Thanks, > -- Philip -- Yours, Zheng
