scala的java.lang.NoSuchMethodError:scala.Predef$.refArrayOps([Ljava/lang/Object;错误

本文介绍了解决在运行SparkDemo时遇到的java.lang.NoSuchMethodError问题的方法。指出问题可能源于pom文件中jar版本不匹配,并提供了解决方案:调整项目设置,移除不必要的配置。

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运行spark demo时出现java.lang.NoSuchMethodError:

在scala中,pom文件的jar文件为2.11.7,不需要在全局变量去加载jar包,
打开project的setting ,删除不需要用的setting即可
在这里插入图片描述

java.lang.reflect.InvocationTargetException 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 com.huawei.bigdata.job.LauncherAM.run(LauncherAM.java:126) at com.huawei.bigdata.job.LauncherAM$1.run(LauncherAM.java:105) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1761) at com.huawei.bigdata.job.LauncherAM.main(LauncherAM.java:101) Caused by: java.lang.NoSuchMethodError: scala.Predef$.refArrayOps([Ljava/lang/Object;)[Ljava/lang/Object; at com.nari.LeoUtils$.extractArgs(LeoUtils.scala:564) at com.nari.LeoUtils$.initParams(LeoUtils.scala:505) at com.nari.utils.FlinkEvnBuilder$.buildStreamingEnv(FlinkEvnBuilder.scala:30) at com.nari.bmsoft.stream.hn.task.BusbarSimulateGearHnTask$.main(BusbarSimulateGearHnTask.scala:23) at com.nari.bmsoft.stream.hn.task.BusbarSimulateGearHnTask.main(BusbarSimulateGearHnTask.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.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:349) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:219) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:842) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1084) at com.huawei.bigdata.job.action.FlinkClient.lambda$flinkClientSubmit$0(FlinkClient.java:64) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1761) at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) at com.huawei.bigdata.job.action.FlinkClient.flinkClientSubmit(FlinkClient.java:64) at com.huawei.bigdata.job.action.FlinkMain.runJob(FlinkMain.java:200) at com.huawei.bigdata.job.action.LauncherMain.submit(LauncherMain.java:93) at com.huawei.bigdata.job.action.LauncherMain.run(LauncherMain.java:49) at com.huawei.bigdata.job.action.FlinkMain.main(FlinkMain.java:108) ... 10 more
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