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https://issues.apache.org/jira/browse/FLINK-20321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257043#comment-17257043
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Xue Wang commented on FLINK-20321:
----------------------------------
Thank you, [~jark]. I just submitted the
[PR|https://github.com/apache/flink/pull/14539].
> Get NPE when using AvroDeserializationSchema to deserialize null input
> ----------------------------------------------------------------------
>
> Key: FLINK-20321
> URL: https://issues.apache.org/jira/browse/FLINK-20321
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table
> SQL / Ecosystem
> Affects Versions: 1.12.0
> Reporter: Shengkai Fang
> Assignee: Xue Wang
> Priority: Major
> Labels: pull-request-available, sprint, starter
> Fix For: 1.13.0
>
>
> You can reproduce the bug by adding the code into the
> {{AvroDeserializationSchemaTest}}.
> The code follows
> {code:java}
> @Test
> public void testSpecificRecord2() throws Exception {
> DeserializationSchema<Address> deserializer =
> AvroDeserializationSchema.forSpecific(Address.class);
> Address deserializedAddress = deserializer.deserialize(null);
> assertEquals(null, deserializedAddress);
> }
> {code}
> Exception stack:
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.flink.formats.avro.utils.MutableByteArrayInputStream.setBuffer(MutableByteArrayInputStream.java:43)
> at
> org.apache.flink.formats.avro.AvroDeserializationSchema.deserialize(AvroDeserializationSchema.java:131)
> at
> org.apache.flink.formats.avro.AvroDeserializationSchemaTest.testSpecificRecord2(AvroDeserializationSchemaTest.java:69)
> {code}
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