java.lang.ClassNotFoundException: org.example.SQLContextApp
来源:5-2 -A SQLContext的使用
慕桂英2466209
2020-06-05
java.lang.ClassNotFoundException: org.example.SQLContextApp
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.spark.util.Utils.classForName(Utils.scala:230)atorg.apache.spark.deploy.SparkSubmit.classForName(Utils.scala:230)
at org.apache.spark.deploy.SparkSubmit.classForName(Utils.scala:230)atorg.apache.spark.deploy.SparkSubmit.orgapacheapacheapachesparkdeploydeploydeploySparkSubmit$runMain(SparkSubmit.scala:712)atorg.apache.spark.deploy.SparkSubmitrunMain(SparkSubmit.scala:712)
at org.apache.spark.deploy.SparkSubmitrunMain(SparkSubmit.scala:712)atorg.apache.spark.deploy.SparkSubmit.doRunMain1(SparkSubmit.scala:180)atorg.apache.spark.deploy.SparkSubmit1(SparkSubmit.scala:180)
at org.apache.spark.deploy.SparkSubmit1(SparkSubmit.scala:180)atorg.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:205)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:119)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
scala的jar包找不到这个类,但是是按照视频的操作进行的
2回答
-
Michael_PK
2020-06-05
找不到类这种异常只有两个可能,一是你主类写错,而是jar里面没有这个类。都不存在第三个可能了
00 -
Michael_PK
2020-06-05
你自己打的jar里面有这个类吗?不是说我视频OK你们就OK的,你们环境万一和我的不一样呢
022020-06-05
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