Execution failed for task ':core:compileJava': org.gradle.api.internal.tasks.compile.CompilationFailedException: Compilation failed; see the compiler error output for details. at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:58) at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:41) at org.gradle.api.internal.tasks.compile.daemon.AbstractDaemonCompiler$CompilerWorkAction.execute(AbstractDaemonCompiler.java:135) at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63) at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:49) at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:43) at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:100) at org.gradle.workers.internal.AbstractClassLoaderWorker.executeInClassLoader(AbstractClassLoaderWorker.java:43) at org.gradle.workers.internal.FlatClassLoaderWorker.run(FlatClassLoaderWorker.java:32) at org.gradle.workers.internal.FlatClassLoaderWorker.run(FlatClassLoaderWorker.java:22) at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:87) at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:56) at org.gradle.process.internal.worker.request.WorkerAction$1.call(WorkerAction.java:138) at org.gradle.process.internal.worker.child.WorkerLogEventListener.withWorkerLoggingProtocol(WorkerLogEventListener.java:41) at org.gradle.process.internal.worker.request.WorkerAction.run(WorkerAction.java:135) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164) at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:49) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829)

Execution failed for task ':core:compileJava'. > Compilation failed; see the compiler error output for details.

[Task :core:compileJava] [unboxing.of.nullable] unboxing a possibly-null reference mq.areFieldsTrimmable(input, rel) if ( !mq.areFieldsTrimmable(input, rel)) { ^

[Task :core:compileJava] [return.type.incompatible] incompatible types in return. return null; ^ type of expression: @initialized @nullable NullType

[Task :core:compileJava] [return.type.incompatible] incompatible types in return. return lookup.getIgnoreCase(name); ^ type of expression: @initialized @nullable Named<T extends @initialized @nullable Object>

[Task :core:compileJava] [override.return.invalid] Incompatible return type. @OverRide public @nullable Lookup<Table> tables() { ^ found : @initialized @nullable Lookup<@initialized @nonnull Table>

[Task :core:compileJava] [assignment.type.incompatible] incompatible types in assignment. private Lookup<Table> tables = new SimpleTableLookup(this); ^ found : @UnderInitialization(org.apache.calcite.schema.impl.SimpleTableLookup.class) @nonnull SimpleTableLookup

[Task :core:compileJava] [argument.type.incompatible] incompatible argument for parameter schema of SimpleTableLookup. private Lookup<Table> tables = new SimpleTableLookup(this); ^ found : @UnderInitialization @nonnull AbstractSchema

[Task :core:compileJava] [type.argument.type.incompatible] incompatible type argument for type parameter V1 extends @initialized @nonnull Object of build. .build(new CacheLoader<String, T>() { ^ found : T extends @initialized @nullable Object

[Task :core:compileJava] [initialization.fields.uninitialized] the constructor does not initialize fields: nameMap public IgnoreCaseLookup() { ^

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