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https://issues.apache.org/jira/browse/AVRO-4148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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JohnMTu updated AVRO-4148:
--------------------------
Affects Version/s: 1.10.1
1.12.1
> serializing enums containing java keywords fails in NPE
> -------------------------------------------------------
>
> Key: AVRO-4148
> URL: https://issues.apache.org/jira/browse/AVRO-4148
> Project: Apache Avro
> Issue Type: Bug
> Affects Versions: 1.10.1, 1.12.1
> Reporter: JohnMTu
> Priority: Major
> Attachments: AvroIssueTest.java
>
>
> when having schema containing enum with enum-values like "new", "boolean",
> "null" which are java reserved keyword, then enum-value is generated with $
> suffix using avro-maven-plugin.
> When i later try to serialize it to json, it fails on NPE.
> Normally i have similar enum deep in structure, and avro-maven-plugin is
> used. For simplicity of testcase, i copied generated class into test itself
> and instead of using massive structure i reproduce the problem when
> serializing enum itself.
> See attached test case. This is log output:
> {code:java}
> java.lang.NullPointerException: null value for (non-nullable)
> RecurringChargePeriod at
> org.apache.avro.path.TracingNullPointException.summarize(TracingNullPointException.java:88)
> at
> org.apache.avro.path.TracingNullPointException.summarize(TracingNullPointException.java:30)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:84)
> at AvroIssueTest.serializeWrappedEnumToJson(AvroIssueTest.java:56)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
> Caused by: java.lang.NullPointerException: Cannot invoke
> "java.lang.Integer.intValue()" because the return value of
> "java.util.Map.get(Object)" is null
> at org.apache.avro.Schema$EnumSchema.getEnumOrdinal(Schema.java:1098)
> at
> org.apache.avro.generic.GenericDatumWriter.writeEnum(GenericDatumWriter.java:272)
> at
> org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:148)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:95)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:82)
> ... 4 more {code}
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