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https://issues.apache.org/jira/browse/TINKERPOP-3117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17913012#comment-17913012
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Andrea C commented on TINKERPOP-3117:
-------------------------------------
Hello [~tglman] thanks for the detailed issue description and investigation.
This information will be useful when TinkerPop upgrades the supported Java
version. However currently only JDK 8, 11, 17 are officially supported as per
the [link developer
documentation|[https://tinkerpop.apache.org/docs/current/dev/developer/#system-configuration]]
> gremlin groovy tests fail with `Unsupported class file major version 65` with
> JDKs 21 forward
> ---------------------------------------------------------------------------------------------
>
> Key: TINKERPOP-3117
> URL: https://issues.apache.org/jira/browse/TINKERPOP-3117
> Project: TinkerPop
> Issue Type: Bug
> Components: language
> Affects Versions: 3.7.2
> Reporter: Ema Tag
> Priority: Minor
>
> Running tests with java version cause exceptions with error: `Unsupported
> class file major version 65` I did investigate this error myself and I could
> identify the reason in some analyzer of the groovy language, so I could work
> around the problem disabling the analyzer with some groovy compiler settings.
> I've done it both from code:
> {code:java}
> GremlinGroovyScriptEngineFactory factory = new
> GremlinGroovyScriptEngineFactory();
> CachedGremlinScriptEngineManager customizationManager = new
> CachedGremlinScriptEngineManager();
> Map<String, Object> compilerConfigs = new HashMap<>();
> Map<String, Object> optimizationConfigs = new HashMap<>();
> optimizationConfigs.put("asmResolving", false);
> compilerConfigs.put("OptimizationOptions", optimizationConfigs);
> customizationManager.addPlugin(GroovyCompilerGremlinPlugin.build().compilerConfigurationOptions(compilerConfigs).create());
> factory.setCustomizerManager(customizationManager);
> {code}
> and from configuration:
> {code:yaml}
> scriptEngines: {
> gremlin-groovy: {
> plugins: {
> # ... other configs
> org.apache.tinkerpop.gremlin.groovy.jsr223.GroovyCompilerGremlinPlugin:
> {compilerConfigurationOptions: { OptimizationOptions: { asmResolving: false}}}
> }
> }
> }
> {code}
> this could be done directly in a generic way for all the implementations
> adding the setting here:
> https://github.com/apache/tinkerpop/blob/master/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/jsr223/GremlinGroovyScriptEngine.java#L756
> This is a follow up of a conversation in the discord channel
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