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From Jakob Homan <jgho...@gmail.com>
Subject Re: Avro and Hive contd
Date Fri, 16 Mar 2012 19:51:05 GMT
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.avro.Schema
This is a classpath problem, not a Haivvreo problem.
Is Avro on the classpath of Hive and on the nodes? The easiest way to
do this is to point to HIVE_AUX_JARS_PATH, as covered in the building
and deploying section...


On Fri, Feb 24, 2012 at 11:20 AM, snikhil0 <snikhil@telenav.com> wrote:
> Has some one successfully used the SerDe for Avro provided by Jakob
> (https://github.com/jghoman/haivvreo)?
>
> I am using the exact versions of avro and hive recommended by the authors
> but running into all kinds of problems just in running their examples...
>
> Can someone please help me out?
>
> create table test row format serde 'com.linkedin.haivvreo.AvroSerDe' with
> serdeproperties ('schema.literal'='{"namespace": "com.linkedin.haivvreo",
> "name": "test_schema", "type":"record", "fields":[{"name":"string1",
> "type":"string"} ] }') stored as inputformat
> 'com.linkedin.haivvreo.AvroContainerInputFormat' outputformat
> 'com.linkedin.haivvreo.AvroContainerOutputFormat';
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.avro.Schema
>        at
> com.linkedin.haivvreo.HaivvreoUtils.determineSchemaOrThrowException(HaivvreoUtils.java:50)
>        at
> com.linkedin.haivvreo.HaivvreoUtils.determineSchemaOrReturnErrorSchema(HaivvreoUtils.java:76)
>        at com.linkedin.haivvreo.AvroSerDe.initialize(AvroSerDe.java:51)
>        at
> org.apache.hadoop.hive.metastore.MetaStoreUtils.getDeserializer(MetaStoreUtils.java:199)
>        at org.apache.hadoop.hive.ql.metadata.Table.getDeserializer(Table.java:253)
>        at org.apache.hadoop.hive.ql.metadata.Table.getCols(Table.java:484)
>        at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:450)
>        at org.apache.hadoop.hive.ql.exec.DDLTask.createTable(DDLTask.java:3146)
>        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:213)
>        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:130)
>        at
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
>        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1063)
>        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:900)
>        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:748)
>        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:164)
>        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:241)
>        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:456)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> FAILED: Execution Error, return code -101 from
> org.apache.hadoop.hive.ql.exec.DDLTask
>
> My setup:
> hive: 0.7.1
> avro: 1.4.1
> hadoop: 1.0.0
> added the jackson jars as recommended using add jar on hive cli.
>
> Thanks,
>
>
> --
> View this message in context: http://apache-avro.679487.n3.nabble.com/Avro-and-Hive-contd-tp3773468p3773468.html
> Sent from the Avro - Users mailing list archive at Nabble.com.

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