jackpoi / cosersets-spider Goto Github PK

装了idea，导入了project，自动下载了maven，最后编辑运行的时候说少了cosersets模块，这个怎么处理？谢谢
no JDK specified for module 'cosersets'

java 苦手，这个是什么问题？

java.lang.ClassCastException: class io.github.beastars1.cosersets.MainLauncher cannot be cast to class io.vertx.core.Verticle (io.github.beastars1.cosersets.MainLauncher and io.vertx.core.Verticle are in unnamed module of loader 'app')
at io.vertx.core.impl.DeploymentManager.doDeploy(DeploymentManager.java:154)
at io.vertx.core.impl.VerticleManager.lambda$doDeployVerticle$5(VerticleManager.java:222)
at io.vertx.core.impl.future.Composition.onSuccess(Composition.java:38)
at io.vertx.core.impl.future.FutureBase.lambda$emitSuccess$0(FutureBase.java:54)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:833)