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Posted to dev@avro.apache.org by "Martin Tzvetanov Grigorov (Jira)" <ji...@apache.org> on 2021/11/02 08:16:00 UTC
[jira] [Commented] (AVRO-1851) Serialization of anonymous enum
fails with nullable union
[ https://issues.apache.org/jira/browse/AVRO-1851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17437190#comment-17437190 ]
Martin Tzvetanov Grigorov commented on AVRO-1851:
-------------------------------------------------
[~swamytns] Please provide a demo application / test case. It is not very clear what you want to do.
> Serialization of anonymous enum fails with nullable union
> ---------------------------------------------------------
>
> Key: AVRO-1851
> URL: https://issues.apache.org/jira/browse/AVRO-1851
> Project: Apache Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.7
> Reporter: Zack Kobza
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Error received when serializing an object containing a nullable anonymous enum:
> {noformat}
> org.apache.avro.SchemaParseException: Empty name
> at org.apache.avro.Schema.validateName(Schema.java:1108)
> at org.apache.avro.Schema.access$200(Schema.java:80)
> at org.apache.avro.Schema$Name.<init>(Schema.java:468)
> at org.apache.avro.Schema.createRecord(Schema.java:151)
> at org.apache.avro.reflect.ReflectData.createSchema(ReflectData.java:466)
> at org.apache.avro.specific.SpecificData.getSchema(SpecificData.java:189)
> at org.apache.avro.reflect.ReflectData.isRecord(ReflectData.java:168)
> at org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:613)
> at org.apache.avro.specific.SpecificData.getSchemaName(SpecificData.java:265)
> at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:602)
> at org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:151)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:71)
> at org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:143)
> at org.apache.avro.generic.GenericDatumWriter.writeField(GenericDatumWriter.java:114)
> at org.apache.avro.reflect.ReflectDatumWriter.writeField(ReflectDatumWriter.java:175)
> at org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:104)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:66)
> at org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:143)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:58)
> at org.apache.avro.reflect.TestReflectDatumReader.serializeWithReflectDatumWriter(TestReflectDatumReader.java:45)
> at org.apache.avro.reflect.TestReflectDatumReader.testWrite_AnonymousEnum(TestReflectDatumReader.java:53)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
> at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117)
> at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
> {noformat}
> Here is a unit test derived from TestReflectDatumReader to reproduce:
> {code}
> @Test
> public void testWrite_AnonymousEnum() throws IOException {
> byte[] serializedBytes =
> serializeWithReflectDatumWriter(new MyObject(AnonymousEnum.A), MyObject.class, AllowNull.get());
> assertNotNull(serializedBytes);
> }
> enum AnonymousEnum {
> A {
> @Override
> public String doSomething() {
> return "A is doing something";
> }
> };
> public abstract String doSomething();
> }
> public static class MyObject {
> private final AnonymousEnum ae;
> public MyObject(AnonymousEnum ae) {
> this.ae = ae;
> }
> }
> {code}
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