FYI, I've opened FLINK-18581[1] for tracking this.
Thank you~ Xintong Song [1] https://issues.apache.org/jira/browse/FLINK-18581 On Mon, Jul 13, 2020 at 4:54 PM Xintong Song <tonysong...@gmail.com> wrote: > I think the problem is that the package-private method > `Reference.tryHandlePending` does not exist in 1.8.0_40. > The method does not exist in OpenJDK 8u40[1], but can be found in the > latest AdoptOpenJDK [2]. > It seems the method was first introduced in 8u202[3]. > > Thank you~ > > Xintong Song > > > [1] > https://hg.openjdk.java.net/jdk8u/jdk8u40/jdk/file/c7bbaa04eaa8/src/share/classes/java/lang/ref/Reference.java > [2] > https://github.com/AdoptOpenJDK/openjdk-jdk8u/blob/master/jdk/src/share/classes/java/lang/ref/Reference.java > [3] > https://github.com/AdoptOpenJDK/openjdk-jdk8u/commit/7200bdcbfa06ce84a7e7fcaff59a9d477011ae57 > > On Mon, Jul 13, 2020 at 4:27 PM Khachatryan Roman < > khachatryan.ro...@gmail.com> wrote: > >> Hi Murali Pusala, >> >> Thanks for reporting this issue. >> >> Looks like JavaGcCleanerWrapper should use getDeclaredMethod instead of >> getMethod to find Reference.tryHandlePending. >> >> @Andrey, can you confirm this? >> >> Regards, >> Roman >> >> >> On Mon, Jul 13, 2020 at 4:42 AM Murali Krishna Pusala < >> muralipus...@icloud.com> wrote: >> >>> >>> Hi All, >>> >>> I have written simple java code that read data using Hive and transform >>> using Table API (Blink Planner) and Flink 1.11.0 on HDP cluster. I am >>> encountering "java.lang.Error: Failed to find GC Cleaner among available >>> providers” error. Full error stack is at end of the email. >>> >>> Do anyone encounter the same issue or any solutions/suggestions ? >>> >>> Cluster Config: >>> >>> * Hadoop Version: 2.7.3 >>> * Java Version: 1.8.0_40 >>> * Flink 1.11.0 ( built from source) >>> * Hive 1.2.1 >>> >>> Thanks >>> Murali Pusala >>> >>> >>> Caused by: java.lang.Error: Failed to find GC Cleaner among available >>> providers: [Legacy (before Java 9) cleaner provider, New Java 9+ cleaner >>> provider] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.findGcCleanerManager(JavaGcCleanerWrapper.java:149) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.<clinit>(JavaGcCleanerWrapper.java:56) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemoryUtils.createMemoryGcCleaner(MemoryUtils.java:111) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemorySegmentFactory.allocateOffHeapUnsafeMemory(MemorySegmentFactory.java:175) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.lambda$allocatePages$0(MemoryManager.java:237) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager$$Lambda$188/978816879.apply(Unknown >>> Source) ~[?:?] >>> at >>> java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) >>> ~[?:1.8.0_40] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.allocatePages(MemoryManager.java:233) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.util.LazyMemorySegmentPool.nextSegment(LazyMemorySegmentPool.java:82) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.io.disk.SimpleCollectingOutputView.<init>(SimpleCollectingOutputView.java:49) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap$RecordArea.<init>(BytesHashMap.java:522) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:184) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:148) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at LocalHashAggregateWithKeys$100.open(Unknown Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:473) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$176/1800425807.run(Unknown >>> Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:92) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:469) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:522) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:546) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_40] >>> Caused by: org.apache.flink.util.FlinkRuntimeException: Legacy (before >>> Java 9) cleaner provider: Failed to find Reference#tryHandlePending method >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.findMethod(JavaGcCleanerWrapper.java:398) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.access$1300(JavaGcCleanerWrapper.java:376) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$PendingCleanersRunnerProvider.createPendingCleanersRunner(JavaGcCleanerWrapper.java:326) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$PendingCleanersRunnerProvider.access$800(JavaGcCleanerWrapper.java:303) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.createCleanerManager(JavaGcCleanerWrapper.java:180) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.access$400(JavaGcCleanerWrapper.java:162) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.findGcCleanerManager(JavaGcCleanerWrapper.java:140) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.<clinit>(JavaGcCleanerWrapper.java:56) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemoryUtils.createMemoryGcCleaner(MemoryUtils.java:111) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemorySegmentFactory.allocateOffHeapUnsafeMemory(MemorySegmentFactory.java:175) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.lambda$allocatePages$0(MemoryManager.java:237) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager$$Lambda$188/978816879.apply(Unknown >>> Source) ~[?:?] >>> at >>> java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) >>> ~[?:1.8.0_40] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.allocatePages(MemoryManager.java:233) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.util.LazyMemorySegmentPool.nextSegment(LazyMemorySegmentPool.java:82) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.io.disk.SimpleCollectingOutputView.<init>(SimpleCollectingOutputView.java:49) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap$RecordArea.<init>(BytesHashMap.java:522) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:184) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:148) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at LocalHashAggregateWithKeys$100.open(Unknown Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:473) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$176/1800425807.run(Unknown >>> Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:92) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:469) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:522) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:546) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_40] >>> Suppressed: org.apache.flink.util.FlinkRuntimeException: New >>> Java 9+ cleaner provider: Failed to find java class >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.findClass(JavaGcCleanerWrapper.java:388) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.access$1200(JavaGcCleanerWrapper.java:376) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerFactoryProvider.createCleanerFactory(JavaGcCleanerWrapper.java:244) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerFactoryProvider.access$700(JavaGcCleanerWrapper.java:217) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.createCleanerManager(JavaGcCleanerWrapper.java:179) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.access$400(JavaGcCleanerWrapper.java:162) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.findGcCleanerManager(JavaGcCleanerWrapper.java:140) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.<clinit>(JavaGcCleanerWrapper.java:56) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemoryUtils.createMemoryGcCleaner(MemoryUtils.java:111) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemorySegmentFactory.allocateOffHeapUnsafeMemory(MemorySegmentFactory.java:175) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.lambda$allocatePages$0(MemoryManager.java:237) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager$$Lambda$188/978816879.apply(Unknown >>> Source) ~[?:?] >>> at >>> java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) >>> ~[?:1.8.0_40] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.allocatePages(MemoryManager.java:233) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.util.LazyMemorySegmentPool.nextSegment(LazyMemorySegmentPool.java:82) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.io.disk.SimpleCollectingOutputView.<init>(SimpleCollectingOutputView.java:49) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap$RecordArea.<init>(BytesHashMap.java:522) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:184) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:148) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at LocalHashAggregateWithKeys$100.open(Unknown Source) >>> ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:473) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$176/1800425807.run(Unknown >>> Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:92) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:469) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:522) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.taskmanager.Task.run(Task.java:546) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_40] >>> Caused by: java.lang.ClassNotFoundException: >>> java.lang.ref.Cleaner >>> at >>> java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_40] >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424) >>> ~[?:1.8.0_40] >>> at >>> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[?:1.8.0_40] >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357) >>> ~[?:1.8.0_40] >>> at java.lang.Class.forName0(Native Method) ~[?:1.8.0_40] >>> at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_40] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.findClass(JavaGcCleanerWrapper.java:385) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> ... 28 more >>> Caused by: java.lang.NoSuchMethodException: >>> java.lang.ref.Reference.tryHandlePending(boolean) >>> at java.lang.Class.getDeclaredMethod(Class.java:2130) >>> ~[?:1.8.0_40] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.findMethod(JavaGcCleanerWrapper.java:395) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$ReflectionUtils.access$1300(JavaGcCleanerWrapper.java:376) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$PendingCleanersRunnerProvider.createPendingCleanersRunner(JavaGcCleanerWrapper.java:326) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$PendingCleanersRunnerProvider.access$800(JavaGcCleanerWrapper.java:303) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.createCleanerManager(JavaGcCleanerWrapper.java:180) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper$CleanerProvider.access$400(JavaGcCleanerWrapper.java:162) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.findGcCleanerManager(JavaGcCleanerWrapper.java:140) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.util.JavaGcCleanerWrapper.<clinit>(JavaGcCleanerWrapper.java:56) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemoryUtils.createMemoryGcCleaner(MemoryUtils.java:111) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.core.memory.MemorySegmentFactory.allocateOffHeapUnsafeMemory(MemorySegmentFactory.java:175) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.lambda$allocatePages$0(MemoryManager.java:237) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.memory.MemoryManager$$Lambda$188/978816879.apply(Unknown >>> Source) ~[?:?] >>> at >>> java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) >>> ~[?:1.8.0_40] >>> at >>> org.apache.flink.runtime.memory.MemoryManager.allocatePages(MemoryManager.java:233) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.util.LazyMemorySegmentPool.nextSegment(LazyMemorySegmentPool.java:82) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.io.disk.SimpleCollectingOutputView.<init>(SimpleCollectingOutputView.java:49) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap$RecordArea.<init>(BytesHashMap.java:522) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:184) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.table.runtime.operators.aggregate.BytesHashMap.<init>(BytesHashMap.java:148) >>> ~[flink-table-uber-blink_2.11-1.11.0.jar:1.11.0] >>> at LocalHashAggregateWithKeys$100.open(Unknown Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:473) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask$$Lambda$176/1800425807.run(Unknown >>> Source) ~[?:?] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:92) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:469) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:522) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at >>> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:546) >>> ~[flink-dist_2.11-1.11.0.jar:1.11.0] >>> at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_40] >> >>
