我绝对不是mvn的专家,但经过2天的黑客攻击,我只是放弃了。
我的工作流程:
1.
mvn archetype:generate
-DarchetypeGroupId=org.apache.flink
-DarchetypeArtifactId=flink-quickstart-scala
-DarchetypeVersion=0.10.1
-DgroupId=org.apache.flink.quickstart
-DartifactId=flink-scala-project
-Dversion=0.1
-Dpackage=org.apache.flink.quickstart
-DinteractiveMode=false
2.
cd flink-scala-project
3.
mvn clean package
这是一个构建log: https://gist.github.com/zavalit/1e78478ebdda827f3454
,当我运行
`java -jar target/flink-scala-project-0.1.jar`
我得到了
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/flink/api/scala/ExecutionEnvironment$
at org.apache.flink.quickstart.Job$.main(Job.scala:41)
at org.apache.flink.quickstart.Job.main(Job.scala)
Caused by: java.lang.ClassNotFoundException: org.apache.flink.api.scala.ExecutionEnvironment$
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 2 more
答案 0 :(得分:5)
您正在构建的胖罐不应该在群集环境之外运行。因此,在群集环境中运行的所有Flink相关依赖项都将从胖jar中排除。
您通常使用生成的胖jar执行的操作是通过<div class="tabs">
<ul>
<li>tab one</li>
<li>tab two</li>
<li>tab three</li>
</ul>
</div>
<div class="content">
<p>content content content content content content content content content content content content content content content content content content content content content content content content content
</p>
</div>
将其提交到本地或远程群集。为了快速启动本地群集,您可以运行bin/flink run -c org.example.MyJob myFatJar.jar
。这将启动您可以提交作业jar的本地群集。
答案 1 :(得分:1)
默认情况下,flink库不包含在fat jar中,因为它将在运行时由flink cluster提供。要解决此问题,请将scope
中的pom.xml
依赖项从provided
更改为compile
:
<dependency>
<groupId>org.apache.flink</groupId>
<artifactId>flink-java</artifactId>
<version>${flink.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.flink</groupId>
<artifactId>flink-streaming-java_${scala.binary.version}</artifactId>
<version>${flink.version}</version>
<scope>compile</scope>
</dependency>
link:Maven Doc