Execution failed for task ':core:javadoc': Javadoc generation failed. Generated Javadoc options file (useful for troubleshooting): 'D:\a\calcite\calcite\core\build\tmp\javadoc\javadoc.options' at org.gradle.api.tasks.javadoc.internal.JavadocGenerator.execute(JavadocGenerator.java:56) at org.gradle.api.tasks.javadoc.internal.JavadocToolAdapter.execute(JavadocToolAdapter.java:39) at org.gradle.api.tasks.javadoc.Javadoc.executeExternalJavadoc(Javadoc.java:206) at org.gradle.api.tasks.javadoc.Javadoc.generate(Javadoc.java:179) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:125) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.doExecute(StandardTaskAction.java:58) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:51) at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:29) at org.gradle.api.internal.tasks.execution.TaskExecution$3.run(TaskExecution.java:236) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47) at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68) at org.gradle.api.internal.tasks.execution.TaskExecution.executeAction(TaskExecution.java:221) at org.gradle.api.internal.tasks.execution.TaskExecution.executeActions(TaskExecution.java:204) at org.gradle.api.internal.tasks.execution.TaskExecution.executeWithPreviousOutputFiles(TaskExecution.java:187) at org.gradle.api.internal.tasks.execution.TaskExecution.execute(TaskExecution.java:165) at org.gradle.internal.execution.steps.ExecuteStep.executeInternal(ExecuteStep.java:89) at org.gradle.internal.execution.steps.ExecuteStep.access$000(ExecuteStep.java:40) at org.gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:53) at org.gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:50) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66) at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:50) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:40) at org.gradle.internal.execution.steps.RemovePreviousOutputsStep.execute(RemovePreviousOutputsStep.java:68)

Execution failed for task ':core:javadoc'. > Javadoc generation failed. Generated Javadoc options file (useful for troubleshooting): 'D:\a\calcite\calcite\core\build\tmp\javadoc\javadoc.options'

[Task :core:javadoc FAILED] reference not found * {@link org.apache.calcite.DataContexts.EmptyDataContext}. ^

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-java@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/