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https://issues.apache.org/jira/browse/AVRO-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828500#action_12828500
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Philip Zeyliger commented on AVRO-387:
--------------------------------------
+1 to the "2010-02-01 07:42 PM" patch. The newest one looks like you did it in
an old repository: "src/java/org/apache/avro/generic/GenericRecord.java" is not
a normal path any more.
> hashCode throws a NullPointerException when unions are uninitialized
> --------------------------------------------------------------------
>
> Key: AVRO-387
> URL: https://issues.apache.org/jira/browse/AVRO-387
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.2.0
> Reporter: Michael Armbrust
> Priority: Minor
> Attachments: AVRO-387.patch, AVRO-387.patch, AVRO-387.patch.txt
>
>
> This is a very similar issue to AVRO-382, except this time it happens for
> uninitialized unions instead of primitive fields. Once again, this makes it
> very difficult to use avro from the scala console.
> Stacktrace:
> {noformat}
> org.apache.avro.AvroRuntimeException: Not in union
> [{"type":"record","name":"GetRequest","namespace":"edu.berkeley.cs.scads.comm","fields":[{"name":"namespace","type":"string"},{"name":"key","type":"bytes"}]}]:
> null
> at
> org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:339)
> at org.apache.avro.generic.GenericData.hashCode(GenericData.java:429)
> at org.apache.avro.specific.SpecificData.hashCode(SpecificData.java:227)
> at org.apache.avro.generic.GenericData.hashCodeAdd(GenericData.java:439)
> at org.apache.avro.specific.SpecificData.hashCode(SpecificData.java:223)
> at
> org.apache.avro.specific.SpecificRecordBase.hashCode(SpecificRecordBase.java:52)
> at java.lang.Object.toString(Object.java:219)
> at scala.runtime.ScalaRunTime$.stringOf(ScalaRunTime.scala:165)
> at RequestResult$.<init>(<console>:4)
> at RequestResult$.<clinit>(<console>)
> at RequestResult$result(<console>)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at scala.tools.nsc.Interpreter$Request.loadAndRun(Interpreter.scala:889)
> at scala.tools.nsc.Interpreter.interpret(Interpreter.scala:508)
> at
> scala.tools.nsc.InterpreterLoop.interpretStartingWith(InterpreterLoop.scala:242)
> at scala.tools.nsc.InterpreterLoop.command(InterpreterLoop.scala:230)
> at scala.tools.nsc.InterpreterLoop.repl(InterpreterLoop.scala:142)
> at scala.tools.nsc.InterpreterLoop.main(InterpreterLoop.scala:298)
> at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:141)
> at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)
> {noformat}
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