ClassCastException: org.apache.avro.io.parsing.Symbol$Alternative cannot be
cast to org.apache.avro.io.parsing.Symbol$UnionAdjustAction
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Key: AVRO-589
URL: https://issues.apache.org/jira/browse/AVRO-589
Project: Avro
Issue Type: Bug
Components: java
Affects Versions: 1.3.3
Reporter: Christopher Cooper
Fix For: 1.3.3
I've got a complicated schema that when deserializing data gives me the
following exception:
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 org.apache.avro.file.DataFileStream.next(DataFileStream.java:195)
at org.apache.avro.file.DataFileStream.next(DataFileStream.java:182)
If I go into ResolvingDecoder.readIndex and modify the code to use an
instanceof check, my data deserializes perfectly fine.
I can send all files and unit tests needed to duplicate the error to whomever
is working this ticket
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