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Avro >> mail # user >> AvroStorage schema_uri pointing to local file doesn't work

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AvroStorage schema_uri pointing to local file doesn't work
Hey guys,

I am using AvroStorage like this:

    USING org.apache.pig.piggybank.storage.avro.AvroStorage('{
    "index" : 1,
    "schema_uri": "file://path/schema.avsc"}');

so, it is explicit to take the schema.avsc from the local file system, not
It works in a pseudo-distributed cluster, but fails on a normal cluster
with java.io.FileNotFoundException for the schema file
Looks like this is happening in backend.
I assume this is because the backend invocation of AvroStorage on a node,
different from the node I am running the pig script from, cannot find the
file in the local file system.
Why can't it use the schema file from front-end invocation?
Does it mean that I am only limited to either HDFS locations for schema_uri
or using embedding the schema string in AvroStorage parameters?

Thanks in advance

Ruslan Al-Fakikh
Cheolsoo Park 2013-12-25, 07:48