"一、问题描述新部署的 flume 在启动时候报错：java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V 2020 ...."

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flume启动报错：java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V

一、问题描述

新部署的 flume 在启动时候报错：java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V

2020-06-30 11:40:20,359 (SinkRunner-PollingRunner-DefaultSinkProcessor) [ERROR - org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:459)] process failed
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:221)
at org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:572)
at org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:412)
at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:67)
at org.apache.flume.SinkRunner $P o l l i n g R u n n e r . r u n (S i n k R u n n e r . j a v a : 145) a t j a v a . l a n g . T h r e a d . r u n (T h r e a d . j a v a : 748) E x c e p t i o n i n t h r e a d " S i n k R u n n e r - P o l l i n g R u n n e r - D e f a u l t S i n k P r o c e s s o r " j a v a . l a n g . N o S u c h M e t h o d E r r o r : c o m . g o o g l e . c o m m o n . b a s e . P r e c o n d i t i o n s . c h e c k A r g u m e n t (Z L j a v a / l a n g / S t r i n g; L j a v a / l a n g / O b j e c t;) V a t o r g . a p a c h e . h a d o o p . c o n f . C o n f i g u r a t i o n . s e t (C o n f i g u r a t i o n . j a v a : 1357) a t o r g . a p a c h e . h a d o o p . c o n f . C o n f i g u r a t i o n . s e t (C o n f i g u r a t i o n . j a v a : 1338) a t o r g . a p a c h e . h a d o o p . c o n f . C o n f i g u r a t i o n . s e t B o o l e a n (C o n f i g u r a t i o n . j a v a : 1679) a t o r g . a p a c h e . f l u m e . s i n k . h d f s . B u c k e t W r i t e r . o p e n (B u c k e t W r i t e r . j a v a : 221) a t o r g . a p a c h e . f l u m e . s i n k . h d f s . B u c k e t W r i t e r . a p p e n d (B u c k e t W r i t e r . j a v a : 572) a t o r g . a p a c h e . f l u m e . s i n k . h d f s . H D F S E v e n t S i n k . p r o c e s s (H D F S E v e n t S i n k . j a v a : 412) a t o r g . a p a c h e . f l u m e . s i n k . D e f a u l t S i n k P r o c e s s o r . p r o c e s s (D e f a u l t S i n k P r o c e s s o r . j a v a : 67) a t o r g . a p a c h e . f l u m e . S i n k R u n n e r$ PollingRunner.run(SinkRunner.java:145)

报错截图：

${F664C7E8-5A5F-4B93-8A03-B42B20BFEFF5}_20200630115354$

问题解决：

一般这类问题，classNotFound, 不是少 jar 包，那就是 jar 包冲突，查看 flume 安装目录下 lib 下面查看是有 guava 这个包的：
排除少包 jar 包的问题，那就是 jar 包冲突，在查看，本地环境 hadoop 目录下 lib 中也是有这个 guava 这个包：
显然是二者版本不一致导致的