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https://issues.apache.org/jira/browse/MCOMPILER-539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735229#comment-17735229
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Elliotte Rusty Harold commented on MCOMPILER-539:
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I understand what you're saying,. However, I find it unlikely that the issue is
in the maven-compiler-plugin. We have JDK 17 in our test matrix.I'll look, but
it seems more likely you were simply using a pre-17 JDK. Either that, or
there's something weird going on in Spring.
> Unsupported class file major version 61
> ---------------------------------------
>
> Key: MCOMPILER-539
> URL: https://issues.apache.org/jira/browse/MCOMPILER-539
> Project: Maven Compiler Plugin
> Issue Type: Wish
> Reporter: Ryan Miller
> Priority: Major
>
> Maven Compiler Plugin does not support classes created by JDK 17 (major
> version 61). If classes created by JDK 17 are present in your classpath when
> using Maven Compiler, the following error occurs: (Building Apache NiFi [1])
>
> {code:java}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.11.0:compile
> (default-compile) on project nifi-registry-test: Compilation failure:
> Compilation failure:
> [ERROR]
> /<path>/<to>/nifi-registry/nifi-registry-core/nifi-registry-test/src/main/java/org/apache/nifi/registry/db/MariaDB10_3DataSourceFactory.java:[19,45]
> error: cannot access Configuration
> [ERROR] bad class file:
> /home/<user>/.m2/repository/org/springframework/spring-context/6.0.10/spring-context-6.0.10.jar(/org/springframework/context/annotation/Configuration.class)
> [ERROR] class file has wrong version 61.0, should be 55.0
> [ERROR] Please remove or make sure it appears in the correct subdirectory
> of the classpath.
> {code}
>
>
> This error occurred when building NiFi after upgrading Spring Framework to
> version 6.0.10 [2]. Spring Framework 6.0.10 contains version 61 classes.
>
> See Upgrade Spring Framework to version 6 in NiFi [2] for reproduction
> See past related ticket: Unsupported class file major version 55 [3]
>
> [1] [https://nifi.apache.org/]
> [2] https://issues.apache.org/jira/browse/NIFI-11703
> [3] https://issues.apache.org/jira/browse/MCOMPILER-342
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