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https://issues.apache.org/jira/browse/AVRO-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896232#comment-13896232
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Jim Pivarski commented on AVRO-1442:
------------------------------------

Motivation for "trivial" --> "major": I misunderstood the meaning of the 
priority field when I first filled out this ticket.  This bug is trivial to 
fix, but some reader-writer combinations result in "cannot parse schema" errors 
when they should result in "incompatible schemae" instead.

> Case "FIXED" not handled in ResolvingGrammarGenerator
> -----------------------------------------------------
>
>                 Key: AVRO-1442
>                 URL: https://issues.apache.org/jira/browse/AVRO-1442
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.7.5
>            Reporter: Jim Pivarski
>              Labels: exceptions
>
> Symptom: Attempts to match reader = FIXED against writer != FIXED results in 
> a RuntimeException ("Unexpected schema type: FIXED"), rather than an 
> appropriate Symbol.ErrorAction.
> Reason: In the ResolvingGrammarGenerator.generate method, there are two 
> switch statements, one for writerType == readerType and the other for 
> writerType != readerType.  In the latter, "case FIXED:" is missing.
> This is true in the GitHub version (HEAD?) as well: 
> https://github.com/apache/avro/blob/branch-1.3/lang/java/src/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java#L155



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