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From "Thiruvalluvan M. G. (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AVRO-591) Regression in 1.3.3 from 1.3.2: Removing a field can result in a ClassCastException
Date Tue, 06 Jul 2010 03:32:50 GMT

     [ https://issues.apache.org/jira/browse/AVRO-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thiruvalluvan M. G. resolved AVRO-591.
--------------------------------------

    Resolution: Duplicate

Thanks Sam for reporting this.

The issue has been reported and fixed a few days back in JIRA AVRO-589. Is it possible for
you to try the latest from the trunk?

> Regression in 1.3.3 from 1.3.2: Removing a field can result in a ClassCastException
> -----------------------------------------------------------------------------------
>
>                 Key: AVRO-591
>                 URL: https://issues.apache.org/jira/browse/AVRO-591
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.3.3
>         Environment: Mac OS X 10.6, JDK 1.6_20
>            Reporter: Sam Pullara
>             Fix For: 1.4.0
>
>
> Stored as:
> {
>   "type":"record",
>   "name":"User",
>   "namespace":"bagcheck",
>   "fields": [
>     {
>       "name":"firstName",
>       "type":"string",
>       "default": ""
>     },
>     {
>       "name":"lastName",
>       "type":"string",
>       "default": ""
>     },
>     {
>       "name":"email",
>       "type":"string",
>       "default": ""
>     },
>     {
>       "name":"mobile",
>       "type":["string", "null"],
>       "default": "null"
>     }     
>   ]
> }
> Loaded as:
> {
>   "type":"record",
>   "name":"User",
>   "namespace":"bagcheck",
>   "fields": [
>     {
>       "name":"firstName",
>       "type":"string",
>       "default": ""
>     },
>     {
>       "name":"lastName",
>       "type":"string",
>       "default": ""
>     },
>     {
>       "name":"email",
>       "type":"string",
>       "default": ""
>     }
>   ]
> }
> java.lang.ClassCastException: org.apache.avro.io.parsing.Symbol$Alternative cannot be
cast to org.apache.avro.io.parsing.Symbol$UnionAdjustAction
> 	at org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:188)
> 	at org.apache.avro.io.ParsingDecoder.skipTopSymbol(ParsingDecoder.java:66)
> 	at org.apache.avro.io.parsing.SkipParser.skipTo(SkipParser.java:71)
> 	at org.apache.avro.io.parsing.SkipParser.skipSymbol(SkipParser.java:93)
> 	at org.apache.avro.io.ResolvingDecoder.doAction(ResolvingDecoder.java:207)
> 	at org.apache.avro.io.parsing.Parser.processImplicitActions(Parser.java:116)
> 	at org.apache.avro.io.ResolvingDecoder.drain(ResolvingDecoder.java:141)
> 	at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:72)
> 	at havrobase.HABTest.testSchemolution(HABTest.java:224)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> 	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
> 	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:64)

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