问题描述
是否可以在不上传 JAR 的情况下提交 Scala 代码?我尝试了以下方法:
object LivySubmission {
def main(args: Array[String]): Unit = {
val client = new LivyClientBuilder(false)
.setURI(new URI("http://localhost:8998/"))
.build()
.asScalaClient
val job = client.run { context =>
context.createStreamingContext(15000)
1 + 1
}
job.onSuccess { case r => Console.println("1 + 1 = " + r) }
}
}
结果是:
"log": [
"Caused by: java.lang.classNotFoundException: org.apache.livy.scalaapi.LivyScalaClient$$anon$2","\tat java.net.urlclassloader.findClass(urlclassloader.java:382)","\tat java.lang.classLoader.loadClass(ClassLoader.java:418)","\tat java.lang.classLoader.loadClass(ClassLoader.java:351)","\tat java.lang.class.forName0(Native Method)","\tat java.lang.class.forName(Class.java:348)","\tat org.apache.livy.shaded.kryo.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:136)","\t... 40 more","21/03/22 23:21:30 INFO ExecutorAllocationManager: Request to remove executorIds: 1","\nYARN Diagnostics: "
]
看起来它正在尝试加载提交给 client.run
的匿名函数但找不到它,对吗?
我检查了这个问题,但答案已经过时并说您无法上传 JAR: Run livy job via http without uploading jar every time
解决方法
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