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Posted to commits@daffodil.apache.org by "Steve Lawrence (Jira)" <ji...@apache.org> on 2021/11/18 20:37:00 UTC
[jira] [Resolved] (DAFFODIL-2579) java compile compatibility issue with Java 16/17
[ https://issues.apache.org/jira/browse/DAFFODIL-2579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Lawrence resolved DAFFODIL-2579.
--------------------------------------
Fix Version/s: 3.2.0
Resolution: Fixed
Fixed in commit 0e99d503a6e3519db1503f96b238bc2bffbfdfc1
> java compile compatibility issue with Java 16/17
> ------------------------------------------------
>
> Key: DAFFODIL-2579
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2579
> Project: Daffodil
> Issue Type: Improvement
> Components: General
> Affects Versions: 3.2.0
> Reporter: Mike Beckerle
> Assignee: Steve Lawrence
> Priority: Major
> Fix For: 3.2.0
>
>
> When testing the OpenDFDL hexWords example, I got this error message:
> {code}
> [warn] /home/mbeckerle/Documents/dataiti/git/dfdl-schemas/dfdl-examples/hexWords/src/main/java/hexWords/MessageParser.java: /home/mbeckerle/.ivy2/local/org.apache.daffodil/daffodil-japi_2.12/3.2.0-SNAPSHOT/jars/daffodil-japi_2.12.jar(/org/apache/daffodil/japi/ValidationMode.class): major version 61 is newer than 60, the highest major version supported by this compiler.
> {code}
> This appears to be due to the fact that my local snapshot of Daffodil had been compiled using Java 17, but my java-based hexWords application is using Java 16.
> Recompiling Daffodil with Java 16 fixes this.
> This does suggest that we must compile the Daffodil 3.2.0 distribution with Java 8, or we risk the daffodil libraries being incompatible backward for a user that is still using Java 8.
> Perhaps we need compilation options on Daffodil so that no matter what JVM/java version you are using, the jar files are backward compatible to Java 8?
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