Hi everyone, I had been using the DataSet API until now, but since that's been deprecated, I started looking into the Table API. In my DataSet job I have a lot of POJOs, all of which are even annotated with @TypeInfo and provide the corresponding factories. The Table API documentation talks about POJOs here: https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/dev/table/types/#user-defined-data-types
I started with a single UDF to try it out (an AggregateFunction), but I have encountered several issues. My accumulator class is a (serializable) POJO, but initially there were validation exceptions because the specified class is abstract. I added this to the class and got over that: @FunctionHint( accumulator = DataTypeHint("RAW", bridgedTo = MyAccumulator.class) ) Then there were exceptions about the output type. Since it's also a POJO, I thought this would help: @FunctionHint( accumulator = DataTypeHint("RAW", bridgedTo = MyAccumulator::class), output = DataTypeHint("RAW", bridgedTo = MyDTO.class) ) But no luck: org.apache.flink.table.api.TableException: Unsupported conversion from data type 'RAW('com.MyDTO', '...')' (conversion class: com.MyDTO) to type information. Only data types that originated from type information fully support a reverse conversion. I figured I would try something simpler and first return a List<String> from my AggregateFunction. But how do I define that in a DataTypeHint? I'm not sure if that's documented, but I looked through LogicalTypeParser and used: output = DataTypeHint("ARRAY<STRING>") But that throws an exception (see attachment): Table program cannot be compiled. This is a bug. Please file an issue. I changed the List<String> to String[] and that finally worked. Even getting a simple test running was difficult. I simply could not get TableEnvironment#fromValues to work with POJOs as input, and I tried many combinations of DataTypes.of(MyPojo.class) At this point I still don't know how to return complex data structures encapsulated in POJOs from my UDF. Am I missing something very essential? Regards, Alexis.
org.apache.flink.table.api.TableException: Failed to wait job finish at org.apache.flink.table.api.internal.InsertResultIterator.hasNext(InsertResultIterator.java:56) at org.apache.flink.table.api.internal.TableResultImpl$CloseableRowIteratorWrapper.hasNext(TableResultImpl.java:350) at org.apache.flink.table.utils.PrintUtils.printAsTableauForm(PrintUtils.java:130) at org.apache.flink.table.api.internal.TableResultImpl.print(TableResultImpl.java:154) at com.E2ETest.tablePlayground(E2ETest.kt:149) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:210) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:206) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:131) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:65) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:64) Caused by: java.util.concurrent.ExecutionException: org.apache.flink.runtime.client.JobExecutionException: Job execution failed. at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) at org.apache.flink.table.api.internal.InsertResultIterator.hasNext(InsertResultIterator.java:54) ... 74 more Caused by: org.apache.flink.runtime.client.JobExecutionException: Job execution failed. at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:144) at org.apache.flink.runtime.minicluster.MiniClusterJobClient.lambda$getJobExecutionResult$2(MiniClusterJobClient.java:117) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:616) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975) at org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.lambda$invokeRpc$0(AkkaInvocationHandler.java:237) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975) at org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:1061) at akka.dispatch.OnComplete.internal(Future.scala:264) at akka.dispatch.OnComplete.internal(Future.scala:261) at akka.dispatch.japi$CallbackBridge.apply(Future.scala:191) at akka.dispatch.japi$CallbackBridge.apply(Future.scala:188) at scala.concurrent.impl.CallbackRunnable.run$$$capture(Promise.scala:60) at scala.concurrent.impl.CallbackRunnable.run(Promise.scala) at org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:73) at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68) at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284) at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284) at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284) at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:573) at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:22) at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:21) at scala.concurrent.Future.$anonfun$andThen$1(Future.scala:532) at scala.concurrent.impl.Promise.liftedTree1$1(Promise.scala:29) at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29) at scala.concurrent.impl.CallbackRunnable.run$$$capture(Promise.scala:60) at scala.concurrent.impl.CallbackRunnable.run(Promise.scala) at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55) at akka.dispatch.BatchingExecutor$BlockableBatch.$anonfun$run$1(BatchingExecutor.scala:91) at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12) at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81) at akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:91) at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44) at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Caused by: org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:118) at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:80) at org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:233) at org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:224) at org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:215) at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:666) at org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:89) at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:446) at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212) at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) at scala.PartialFunction.applyOrElse(PartialFunction.scala:123) at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122) at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) at akka.actor.Actor.aroundReceive(Actor.scala:517) at akka.actor.Actor.aroundReceive$(Actor.scala:515) at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) at akka.actor.ActorCell.invoke(ActorCell.scala:561) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) at akka.dispatch.Mailbox.run(Mailbox.scala:225) at akka.dispatch.Mailbox.exec(Mailbox.scala:235) ... 4 more Caused by: java.lang.RuntimeException: Could not instantiate generated class 'SortAggregateWithKeys$28' at org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:66) at org.apache.flink.table.runtime.operators.CodeGenOperatorFactory.createStreamOperator(CodeGenOperatorFactory.java:40) at org.apache.flink.streaming.api.operators.StreamOperatorFactoryUtil.createOperator(StreamOperatorFactoryUtil.java:80) at org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperator(OperatorChain.java:637) at org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperatorChain(OperatorChain.java:611) at org.apache.flink.streaming.runtime.tasks.OperatorChain.createOutputCollector(OperatorChain.java:551) at org.apache.flink.streaming.runtime.tasks.OperatorChain.<init>(OperatorChain.java:172) at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:519) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:575) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:758) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:573) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.flink.util.FlinkRuntimeException: org.apache.flink.api.common.InvalidProgramException: Table program cannot be compiled. This is a bug. Please file an issue. at org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:76) at org.apache.flink.table.runtime.generated.GeneratedClass.compile(GeneratedClass.java:77) at org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:64) ... 11 more Caused by: org.apache.flink.shaded.guava18.com.google.common.util.concurrent.UncheckedExecutionException: org.apache.flink.api.common.InvalidProgramException: Table program cannot be compiled. This is a bug. Please file an issue. at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2203) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache.get(LocalCache.java:3937) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4739) at org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:74) ... 13 more Caused by: org.apache.flink.api.common.InvalidProgramException: Table program cannot be compiled. This is a bug. Please file an issue. at org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:89) at org.apache.flink.table.runtime.generated.CompileUtils.lambda$compile$1(CompileUtils.java:74) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4742) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282) at org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197) ... 16 more Caused by: org.codehaus.commons.compiler.CompileException: Line 156, Column 255: Cannot cast "java.util.List" to "java.lang.String[]" at org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12211) at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5051) at org.codehaus.janino.UnitCompiler.access$8600(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4418) at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4396) at org.codehaus.janino.Java$Cast.accept(Java.java:4898) at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396) at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662) at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5182) at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4423) at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4396) at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073) at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396) at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662) at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5021) at org.codehaus.janino.UnitCompiler.access$8600(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4418) at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4396) at org.codehaus.janino.Java$Cast.accept(Java.java:4898) at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396) at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662) at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5182) at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4423) at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4396) at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073) at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396) at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3783) at org.codehaus.janino.UnitCompiler.access$5900(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$13.visitMethodInvocation(UnitCompiler.java:3762) at org.codehaus.janino.UnitCompiler$13.visitMethodInvocation(UnitCompiler.java:3734) at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3734) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2360) at org.codehaus.janino.UnitCompiler.access$1800(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1494) at org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1487) at org.codehaus.janino.Java$ExpressionStatement.accept(Java.java:2874) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:1553) at org.codehaus.janino.UnitCompiler.access$1700(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1493) at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1487) at org.codehaus.janino.Java$Block.accept(Java.java:2779) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2468) at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487) at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:1553) at org.codehaus.janino.UnitCompiler.access$1700(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1493) at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1487) at org.codehaus.janino.Java$Block.accept(Java.java:2779) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2476) at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487) at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2468) at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495) at org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487) at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487) at org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3388) at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1357) at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1330) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:822) at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:432) at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:215) at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:411) at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:406) at org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1414) at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:406) at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:378) at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:237) at org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:465) at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:216) at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:207) at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:80) at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:75) at org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:86) ... 22 more