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From "Michael Armbrust (JIRA)" <j...@apache.org>
Subject [jira] Created: (AVRO-387) hashCode throws a NullPointerException when unions are uninitialized
Date Fri, 29 Jan 2010 22:09:34 GMT
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


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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