Tarandeep,
There isn't a way yet, but I am proposing to do one:
https://issues.apache.org/jira/browse/FLINK-3691
-Gna
On Fri, Apr 1, 2016 at 4:04 AM, Tarandeep Singh <tarand...@gmail.com> wrote:
> Hi,
>
> Can someone please point me to an example of creating DataSet using Avro
> Generic Records?
>
> I tried this code -
>
> final ExecutionEnvironment env =
> ExecutionEnvironment.getExecutionEnvironment();
> final Path iPath = new Path(args[0]);
>
> DataSet<GenericRecord> dataSet = env.createInput(new
> AvroInputFormat<>(iPath, GenericRecord.class));
> dataSet.map(new MapFunction<GenericRecord, Tuple2<Integer,String>>() {
> @Override
> public Tuple2<Integer,String> map(GenericRecord record) {
> Integer id = (Integer) record.get("id");
> String userAgent = (String) record.get("user_agent");
> return new Tuple2<>(id, userAgent);
> }
> }).writeAsText(args[1]);
>
> env.execute();
>
> But I got an exception-
>
> Caused by: org.apache.avro.AvroRuntimeException: Not a Specific class:
> interface org.apache.avro.generic.GenericRecord
> at
> org.apache.avro.specific.SpecificData.createSchema(SpecificData.java:276)
> at
> org.apache.avro.reflect.ReflectData.createSchema(ReflectData.java:594)
> at
> org.apache.avro.specific.SpecificData.getSchema(SpecificData.java:217)
> at
> org.apache.avro.reflect.ReflectDatumReader.<init>(ReflectDatumReader.java:50)
> at
> org.apache.flink.api.java.io.AvroInputFormat.open(AvroInputFormat.java:100)
> at
> org.apache.flink.api.java.io.AvroInputFormat.open(AvroInputFormat.java:41)
> at
> org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:147)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
> at java.lang.Thread.run(Thread.java:745)
>
> By looking at StackTrace, I get that AvroInputFormat tries to read Avro
> file as SpecificRecords. Is there a way to read Avro file as GenericRecords?
>
>
> Thanks,
> Tarandeep
>
--
*Gna Phetsarath*System Architect // AOL Platforms // Data Services //
Applied Research Chapter
770 Broadway, 5th Floor, New York, NY 10003
o: 212.402.4871 // m: 917.373.7363
vvmr: 8890237 aim: sphetsarath20 t: @sourigna
* <http://www.aolplatforms.com>*
