文章目录
- 问题
- 解决
- 两种方式
- 一. 初始化 spark 时,设置优先使用 jar 包中的依赖
- 二. 使用 shade 插件
- 参考链接
问题
spark.version:2.1.0
scala.version:2.11.8
guava:22.0
- 代码中使用到 guava 的布隆过滤器,产生如下报错
Exception in thread "main" java.lang.NoSuchMethodError: com.google.common.hash.Funnels.stringFunnel(Ljava/nio/charset/Charset;)Lcom/google/common/hash/Funnel;
at BloomFilterCase$.main(BloomFilterCase.scala:11)
at BloomFilterCase.main(BloomFilterCase.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:853)
at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:161)
at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:184)
at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86)
at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:928)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:937)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
解决
- spark-core_2.11 中也有使用到 guava,先排除掉
<exclusions>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</exclusion>
</exclusions>
两种方式
一. 初始化 spark 时,设置优先使用 jar 包中的依赖
val spark = SparkSession.builder
.config("spark.executor.userClassPathFirst", value = true)
.config("spark.driver.userClassPathFirst", value = true)
.getOrCreate()
- 这种方式可以解决 guava 的报错,但是会带来新的问题
- 如下 序列化的问题
Caused by: java.io.InvalidClassException: org.apache.spark.scheduler.Task;
local class incompatible: stream classdesc serialVersionUID =
-3444186963810984713, local class serialVersionUID = -8136233304550334863
二. 使用 shade 插件
maven-assembly-plugin
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<!-- 设置主类 -->
<mainClass>MXHistoryBloomFilter</mainClass>
</transformer>
</transformers>
<relocations>
<relocation>
<pattern>com.google.common</pattern>
<shadedPattern>my_guava.common</shadedPattern>
</relocation>
</relocations>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/maven
参考链接
- https://zhuanlan.zhihu.com/p/44956574
- https://blog.csdn.net/adorechen/article/details/90722933
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