Exception in thread "SinkRunner-PollingRunner-DefaultSinkProcessor" java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V
        at org.apache.hadoop.conf.Configuration.set(Configuration.java:1357)
        at org.apache.hadoop.conf.Configuration.set(Configuration.java:1338)
        at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:1679)
        at org.apache.flume.sink.hdfs.BucketWriter.open(BucketWriter.java:206)
        at org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:504)
        at org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:406)
        at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:67)
        at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:145)
        at java.lang.Thread.run(Thread.java:748)

解决办法:因为Hadoop是3.1.3版本的,所以这里要在Flume的lib文件夹下将rm -rf guava-11.0.2.jar删除

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