Uploaded image for project: 'Flink'
  1. Flink
  2. FLINK-33514

FlinkScalaKryoInstantiator class not found in KryoSerializer

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • 1.18.0
    • None
    • API / Core
    • None

    Description

      16:03:13,402 INFO  org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer [] - Kryo serializer scala extensions are not available.
      java.lang.ClassNotFoundException: org.apache.flink.runtime.types.FlinkScalaKryoInstantiator
          at java.net.URLClassLoader.findClass(URLClassLoader.java:387) ~[?:1.8.0_341]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_341]
          at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[?:1.8.0_341]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_341]
          at java.lang.Class.forName0(Native Method) ~[?:1.8.0_341]
          at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_341]
          at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.getKryoInstance(KryoSerializer.java:487) ~[flink-core-1.18.0.jar:1.18.0]
          at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.checkKryoInitialized(KryoSerializer.java:522) ~[flink-core-1.18.0.jar:1.18.0]
          at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:394) ~[flink-core-1.18.0.jar:1.18.0]
          at org.apache.flink.api.java.typeutils.runtime.PojoSerializer.deserialize(PojoSerializer.java:412) ~[flink-core-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.deserialize(StreamElementSerializer.java:190) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.deserialize(StreamElementSerializer.java:43) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.plugable.NonReusingDeserializationDelegate.read(NonReusingDeserializationDelegate.java:53) ~[flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.io.network.api.serialization.NonSpanningWrapper.readInto(NonSpanningWrapper.java:337) ~[flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.io.network.api.serialization.SpillingAdaptiveSpanningRecordDeserializer.readNonSpanningRecord(SpillingAdaptiveSpanningRecordDeserializer.java:128) ~[flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.io.network.api.serialization.SpillingAdaptiveSpanningRecordDeserializer.readNextRecord(SpillingAdaptiveSpanningRecordDeserializer.java:103) ~[flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.io.network.api.serialization.SpillingAdaptiveSpanningRecordDeserializer.getNextRecord(SpillingAdaptiveSpanningRecordDeserializer.java:93) ~[flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:100) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.io.StreamMultipleInputProcessor.processInput(StreamMultipleInputProcessor.java:85) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:562) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:858) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:807) ~[flink-streaming-java-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953) [flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:932) [flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746) [flink-runtime-1.18.0.jar:1.18.0]
          at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) [flink-runtime-1.18.0.jar:1.18.0]
          at java.lang.Thread.run(Thread.java:750) [?:1.8.0_341] 

      Attachments

        Activity

          People

            Unassigned Unassigned
            ft20082 Jake.zhang
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated: