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https://issues.apache.org/jira/browse/SPARK-43138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Emil Ejbyfeldt updated SPARK-43138:
-----------------------------------
Summary: ClassNotFoundException during RDD block replication/migration
(was: ClassNotFound during RDD block replication/migration)
> ClassNotFoundException during RDD block replication/migration
> -------------------------------------------------------------
>
> Key: SPARK-43138
> URL: https://issues.apache.org/jira/browse/SPARK-43138
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.3.2, 3.4.0, 3.5.0
> Reporter: Emil Ejbyfeldt
> Priority: Major
>
> During RDD block migration during decommissioning we are seeing
> `ClassNotFoundException` on the receiving Executor. This seems to happen when
> the blocks contain classes that are from the user jars.
> ```
> 2023-04-08 04:15:11,791 ERROR server.TransportRequestHandler: Error while
> invoking RpcHandler#receive() on RPC id 6425687122551756860
> java.lang.ClassNotFoundException: com.class.from.user.jar.ClassName
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
> at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
> at java.base/java.lang.Class.forName0(Native Method)
> at java.base/java.lang.Class.forName(Class.java:398)
> at
> org.apache.spark.serializer.JavaDeserializationStream$$anon$1.resolveClass(JavaSerializer.scala:71)
> at
> java.base/java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:2003)
> at
> java.base/java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1870)
> at
> java.base/java.io.ObjectInputStream.readClass(ObjectInputStream.java:1833)
> at
> java.base/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1658)
> at
> java.base/java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2496)
> at
> java.base/java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2390)
> at
> java.base/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2228)
> at
> java.base/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1687)
> at
> java.base/java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2496)
> at
> java.base/java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2390)
> at
> java.base/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2228)
> at
> java.base/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1687)
> at
> java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:489)
> at
> java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:447)
> at
> org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:87)
> at
> org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:123)
> at
> org.apache.spark.network.netty.NettyBlockRpcServer.deserializeMetadata(NettyBlockRpcServer.scala:180)
> at
> org.apache.spark.network.netty.NettyBlockRpcServer.receive(NettyBlockRpcServer.scala:119)
> at
> org.apache.spark.network.server.TransportRequestHandler.processRpcRequest(TransportRequestHandler.java:163)
> at
> org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:109)
> at
> org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)
> at
> org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
> at
> io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
> at
> org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
> at
> io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
> at
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:722)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:829)
> ```
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