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https://issues.apache.org/jira/browse/DAFFODIL-2266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Beckerle updated DAFFODIL-2266:
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Priority: Major (was: Minor)
> Daffodil does not validate compatability with pre-compiled parsers
> ------------------------------------------------------------------
>
> Key: DAFFODIL-2266
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2266
> Project: Daffodil
> Issue Type: Bug
> Components: Middle "End"
> Affects Versions: 2.5.0
> Reporter: Brandon Sloane
> Priority: Major
>
> In general, we do not claim to support untrusted input as pre-compiled
> parsers, so not validating pre-compiled parsers is reasonable.
> However, a common mistake users are likely to make is using a parser compiled
> with a different version of Daffodil. While this is not supported, we do not
> fail gracefully, instead throwing the below unhandled exception. We should
> instead detect this case, and issue a user-friendly error indicating the
> problem.
> {quote}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !! An unexpected exception occurred. This is a bug! !!
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> Please report this bug and help us fix it:
> https://daffodil.apache.org/community/#issue-tracker
> Please include the following exception, the command you
> ran, and any input, schema, or tdml files used that led
> to this bug.
> java.io.InvalidClassException: org.apache.daffodil.processors.DataProcessor;
> local class incompatible: stream classdesc serialVersionUID =
> 875658728054701677, local class serialVersionUID = 886020291118569922
> at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:699)
> at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1885)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1751)
> at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1885)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1751)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2042)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
> at org.apache.daffodil.compiler.Compiler.reload(Compiler.scala:293)
> at org.apache.daffodil.compiler.Compiler.reload(Compiler.scala:276)
> at
> org.apache.daffodil.Main$.$anonfun$createProcessorFromParser$1(Main.scala:638)
> at org.apache.daffodil.util.Timer$.getTimeResult(Timer.scala:76)
> at org.apache.daffodil.util.Timer$.getResult(Timer.scala:35)
> at org.apache.daffodil.Main$.createProcessorFromParser(Main.scala:638)
> at org.apache.daffodil.Main$.run(Main.scala:819)
> at org.apache.daffodil.Main$.main(Main.scala:1388)
> at org.apache.daffodil.Main.main(Main.scala{quote}
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