相关疑难解决方法(0)

我想将我的项目打包在一个可执行的JAR中进行分发.

如何将所有依赖JAR的Maven项目打包到我的输出JAR中？

我试图遵循这里描述的Spark独立应用程序示例 https://spark.apache.org/docs/latest/quick-start.html#standalone-applications

该示例在以下调用中运行良好:

spark-submit  --class "SimpleApp" --master local[4] target/scala-2.10/simple-project_2.10-1.0.jar

但是,当我尝试通过引入一些第三方库时--jars,它会抛出ClassNotFoundException.

$ spark-submit --jars /home/linpengt/workspace/scala-learn/spark-analysis/target/pack/lib/* \
  --class "SimpleApp" --master local[4] target/scala-2.10/simple-project_2.10-1.0.jar

Spark assembly has been built with Hive, including Datanucleus jars on classpath
Exception in thread "main" java.lang.ClassNotFoundException: SimpleApp
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at org.apache.spark.deploy.SparkSubmit$.launch(SparkSubmit.scala:300)
    at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:55)
    at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

删除--jars选项和程序再次运行(我实际上还没有开始使用这些库).这有什么问题？我该如何添加外部罐子？