记一次Spark Streaming 整合Flume-Pull方式报错

Posted 2021-05-17 怒上王者

Spark Streaming从flume 中使用Pull拉取数据时，报如下错误：

 12:18:35 INFO node.Application: Starting Sink spark-sink
 12:18:35 INFO node.Application: Starting Source netcat-source
 12:18:35 INFO source.NetcatSource: Source starting
 12:18:35 INFO sink.SparkSink: Starting Spark Sink: spark-sink on port: 41414 and interface: 192.168.118.151 with pool size: 10 and transaction timeout: 60.
 12:18:35 INFO source.NetcatSource: Created serverSocket:sun.nio.ch.ServerSocketChannelImpl[/192.168.118.151:44444]
 12:18:36 INFO sink.SparkSink: Starting Avro server for sink: spark-sink
 12:18:36 INFO sink.SparkSink: Blocking Sink Runner, sink will continue to run..
 12:20:01 INFO ipc.NettyServer: [id: 0x78efe75f, /192.168.118.1:54529 => /192.168.118.151:41414] OPEN
 12:20:01 INFO ipc.NettyServer: [id: 0x78efe75f, /192.168.118.1:54529 => /192.168.118.151:41414] BOUND: /192.168.118.151:41414
 12:20:01 INFO ipc.NettyServer: [id: 0x78efe75f, /192.168.118.1:54529 => /192.168.118.151:41414] CONNECTED: /192.168.118.1:54529
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.TransactionProcessor: Error while processing transaction.
java.lang.IllegalStateException: begin() called when transaction is OPEN!
	at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
	at org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor$$anonfun$populateEvents$1.apply(TransactionProcessor.scala:114)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor$$anonfun$populateEvents$1.apply(TransactionProcessor.scala:113)
	at scala.Option.foreach(Option.scala:236)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.populateEvents(TransactionProcessor.scala:113)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.call(TransactionProcessor.scala:243)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.call(TransactionProcessor.scala:43)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:748)
 12:20:02 WARN sink.TransactionProcessor: Spark was unable to successfully process the events. Transaction is being rolled back.
 12:20:02 WARN sink.SparkAvroCallbackHandler: Received an error batch - no events were received from channel! 
 12:20:02 WARN sink.TransactionProcessor: Error while processing transaction.
java.lang.IllegalStateException: begin() called when transaction is OPEN!
	at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
	at org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor$$anonfun$populateEvents$1.apply(TransactionProcessor.scala:114)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor$$anonfun$populateEvents$1.apply(TransactionProcessor.scala:113)
	at scala.Option.foreach(Option.scala:236)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.populateEvents(TransactionProcessor.scala:113)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.call(TransactionProcessor.scala:243)
	at org.apache.spark.streaming.flume.sink.TransactionProcessor.call(TransactionProcessor.scala:43)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:748)

通过一番查找，终于找到了原因
报错原因：
flume的lib目录下的scala-library.xx jar 版本有问题。

解决办法：
在spark官网下载该jar包，将flume lib目录下原来的jar包删除，上传 新的scala-library-2.11.x.jar 包。

下载地址：scala-library-2.11.8.jar