#org.jetbrains.idea.maven - Cannot reconnect.

2020-11-18 09:29:16,591 [1962793]  ERROR -      #org.jetbrains.idea.maven - Cannot reconnect. 
java.lang.RuntimeException: Cannot reconnect.
	at org.jetbrains.idea.maven.server.RemoteObjectWrapper.perform(RemoteObjectWrapper.java:82)
	at org.jetbrains.idea.maven.server.MavenServerManager.applyProfiles(MavenServerManager.java:551)
	at org.jetbrains.idea.maven.project.MavenProjectReader.applyProfiles(MavenProjectReader.java:397)
	at org.jetbrains.idea.maven.project.MavenProjectReader.doReadProjectModel(MavenProjectReader.java:103)
	at org.jetbrains.idea.maven.project.MavenProjectReader.readProject(MavenProjectReader.java:62)
	at org.jetbrains.idea.maven.project.MavenProject.read(MavenProject.java:639)
	at org.jetbrains.idea.maven.project.MavenProjectsTree.doUpdate(MavenProjectsTree.java:554)
	at org.jetbrains.idea.maven.project.MavenProjectsTree.update(MavenProjectsTree.java:463)
	at org.jetbrains.idea.maven.project.MavenProjectsTree.updateAll(MavenProjectsTree.java:431)
	at org.jetbrains.idea.maven.project.MavenProjectsProcessorReadingTask.perform(MavenProjectsProcessorReadingTask.java:60)
	at org.jetbrains.idea.maven.project.MavenProjectsProcessor.doProcessPendingTasks(MavenProjectsProcessor.java:132)
	at org.jetbrains.idea.maven.project.MavenProjectsProcessor.access$000(MavenProjectsProcessor.java:32)
	at org.jetbrains.idea.maven.project.MavenProjectsProcessor$2.run(MavenProjectsProcessor.java:107)
	at org.jetbrains.idea.maven.utils.MavenUtil.lambda$runInBackground$5(MavenUtil.java:460)
	at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:315)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.rmi.UnmarshalException: Error unmarshaling return header; nested exception is: 
	java.net.SocketException: Connection reset
	at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:229)
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:162)
	at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:227)
	at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:179)
	at com.sun.proxy.$Proxy156.applyProfiles(Unknown Source)
	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.intellij.execution.rmi.RemoteUtil.invokeRemote(RemoteUtil.java:179)
	at com.intellij.execution.rmi.RemoteUtil.access$300(RemoteUtil.java:39)
	at com.intellij.execution.rmi.RemoteUtil$2$1$1.compute(RemoteUtil.java:160)
	at com.intellij.openapi.util.ClassLoaderUtil.runWithClassLoader(ClassLoaderUtil.java:66)
	at com.intellij.execution.rmi.RemoteUtil.executeWithClassLoader(RemoteUtil.java:231)
	at com.intellij.execution.rmi.RemoteUtil$2$1.invoke(RemoteUtil.java:157)
	at com.sun.proxy.$Proxy156.applyProfiles(Unknown Source)
	at org.jetbrains.idea.maven.server.MavenServerManager$7.execute(MavenServerManager.java:554)
	at org.jetbrains.idea.maven.server.MavenServerManager$7.execute(MavenServerManager.java:551)
	at org.jetbrains.idea.maven.server.RemoteObjectWrapper.perform(RemoteObjectWrapper.java:76)
	... 19 more
Caused by: java.net.SocketException: Connection reset
	at java.net.SocketInputStream.read(SocketInputStream.java:210)
	at java.net.SocketInputStream.read(SocketInputStream.java:141)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
	at java.io.DataInputStream.readByte(DataInputStream.java:265)
	at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:215)
	... 37 more
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - IntelliJ IDEA 2017.3.4  Build #IU-173.4548.28 
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - JDK: 1.8.0_152-release 
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - VM: OpenJDK 64-Bit Server VM 
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - Vendor: JetBrains s.r.o 
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - OS: Windows 10 
2020-11-18 09:29:16,606 [1962808]  ERROR -      #org.jetbrains.idea.maven - Last Action: ShowSettings 

参考文章：https://blog.youkuaiyun.com/yougou_sully/article/details/102763572
解决方案源：https://stackoverflow.com/questions/30615067/intellij-idea-maven-cannot-reconnect-error
解决方式：
settings—>Build, Execution, Deployment —>Build Tool—>Maven —>Importing—>设置JDK for Importer为JDK