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Posted to commits@beam.apache.org by "Xu Mingmin (JIRA)" <ji...@apache.org> on 2017/03/13 18:14:41 UTC
[jira] [Resolved] (BEAM-1516) null value is not supported in Map
with AvroCoder
[ https://issues.apache.org/jira/browse/BEAM-1516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xu Mingmin resolved BEAM-1516.
------------------------------
Resolution: Not A Bug
Fix Version/s: Not applicable
> null value is not supported in Map with AvroCoder
> -------------------------------------------------
>
> Key: BEAM-1516
> URL: https://issues.apache.org/jira/browse/BEAM-1516
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Xu Mingmin
> Assignee: Davor Bonaci
> Fix For: Not applicable
>
>
> NullPointerException is thrown, when there's null value in a Map with AvroCoder.
> The domain class is defined as below:
> ```
> @DefaultCoder(AvroCoder.class)
> public class RecordRow implements Serializable {
> private Map<String, String> dataMap = new HashMap<>();
> private RecordType dataType;
> ```
> And the error message as:
> ```
> Caused by: java.lang.NullPointerException: in *.beam.RecordRow in map in string null of string of map in field dataMap of *.beam.RecordRow
> at org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:152)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:60)
> at org.apache.beam.sdk.coders.AvroCoder.encode(AvroCoder.java:296)
> at org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.encode(WindowedValue.java:663)
> at org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.encode(WindowedValue.java:603)
> at org.apache.beam.sdk.util.CoderUtils.encodeToSafeStream(CoderUtils.java:122)
> at org.apache.beam.sdk.util.CoderUtils.encodeToByteArray(CoderUtils.java:106)
> at org.apache.beam.sdk.util.CoderUtils.clone(CoderUtils.java:185)
> ```
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