无法将 Maven 项目导入 IntelliJ IDEA

更新时间：2022-10-14 23:08:43

这是与网络和地址解析相关的常见问题.在某些情况下，localhost 可能无法解析，需要

127.0.0.1 本地主机

在 /etc/hosts 文件中.还要确保没有其他 IP 地址映射到 localhost.

在相关的 YouTrack 问题中查看我的评论以了解更多信息详情.

I'm having problems importing any Maven projects into IntelliJ IDEA. I create an empty Maven project like this:

$ mvn archetype:generate -DgroupId=com.mycompany.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

Then I try to open the project in IDEA (File > Open Project, then choose the pom.xml). A progress box saying "Reading pom.xml" displays for a few minutes, and then just disappears without opening the project.

Looking in the IDEA log, I see some connection timeout exceptions like this:

2012-10-03 11:55:38,502 [      0]   INFO -        #com.intellij.idea.Main - ------------------------------------------------------ IDE STARTED ------------------------------------------------------ 
2012-10-03 11:55:38,512 [     10]   INFO -        #com.intellij.idea.Main - IDE: IntelliJ IDEA (build #IC-117.798, 25 Jul 2012 00:00) 
2012-10-03 11:55:38,512 [     10]   INFO -        #com.intellij.idea.Main - JRE: 1.6.0_25-b06 (Sun Microsystems Inc.) 
2012-10-03 11:55:38,512 [     10]   INFO -        #com.intellij.idea.Main - JVM: 20.0-b11 (Sun Microsystems Inc.) 
2012-10-03 11:55:38,539 [     37]   INFO - .intellij.idea.IdeaApplication - WM detected: Compiz 
2012-10-03 11:55:40,328 [   1826]   INFO - llij.ide.plugins.PluginManager - 28 plugins initialized in 1613 ms 
2012-10-03 11:55:40,328 [   1826]   INFO - llij.ide.plugins.PluginManager - Loaded plugins:IDEA CORE, Properties Support, Ant Support (1.0), XPathView + XSLT Support (4), IntelliLang (8.0), Copyright (8.1), Groovy (9.0), Maven Integration, Scala (0.5.981), Git Integration (8.1), Task Management (1.0), GitHub, hg4idea (10.0), CVS Integration (11), Intention Power Pack (1.0), I18n for Java, TestNG-J (8.0), GenerateToString (5.0), Commander (1.0.0), Plugin DevKit (1.0), UI Designer, Gradle, Eclipse Integration (3.0), Inspection Gadgets (1.0), JUnit (1.0), Subversion Integration (1.1), XSLT-Debugger (1.4), Android Support (10.0) 
2012-10-03 11:55:40,755 [   2253]   INFO - ellij.util.io.PagedFileStorage - lower=100; upper=200; buffer=10; mmap=true 
2012-10-03 11:55:40,799 [   2297]   INFO - api.vfs.impl.local.FileWatcher - Starting file watcher: /usr/lib/idea-IC-117.798/bin/fsnotifier64 
2012-10-03 11:55:40,800 [   2298]   INFO - api.vfs.impl.local.FileWatcher - Native file watcher is operational. 
2012-10-03 11:55:41,181 [   2679]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/ui.lnf.xml file is null 
2012-10-03 11:55:41,181 [   2679]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/ui.lnf.xml 
2012-10-03 11:55:41,824 [   3322]   INFO -                  TestNG Runner - Create TestNG Template Configuration 
2012-10-03 11:55:41,833 [   3331]   INFO -                  TestNG Runner - Create TestNG Template Configuration 
2012-10-03 11:55:41,935 [   3433]   INFO - ellij.project.impl.ProjectImpl - 23 project components initialized in 693 ms 
2012-10-03 11:55:41,936 [   3434]   INFO - .module.impl.ModuleManagerImpl - 0 modules loaded in 0 ms 
2012-10-03 11:55:41,948 [   3446]   INFO - .intellij.ide.XmlRpcServerImpl - XmlRpc server listening at /127.0.0.1:63342 
2012-10-03 11:55:42,252 [   3750]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/macros.xml file is null 
2012-10-03 11:55:42,252 [   3750]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/macros.xml 
2012-10-03 11:55:42,256 [   3754]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/quicklists.xml file is null 
2012-10-03 11:55:42,256 [   3754]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/quicklists.xml 
2012-10-03 11:55:42,330 [   3828]   INFO - pl.stores.ApplicationStoreImpl - 79 application components initialized in 1910 ms 
2012-10-03 11:55:42,345 [   3843]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/customization.xml file is null 
2012-10-03 11:55:42,345 [   3843]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/customization.xml 
2012-10-03 11:55:42,499 [   3997]   INFO - ij.openapi.wm.impl.IdeRootPane - App initialization took 4825 ms 
2012-10-03 11:55:50,842 [  12340]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/plainTextFiles.xml file is null 
2012-10-03 11:55:50,842 [  12340]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/plainTextFiles.xml 
2012-10-03 11:55:55,348 [  16846]   INFO - ution.rmi.RemoteProcessSupport - /usr/lib/jvm/jdk1.6.0_25/jre/bin/java -Djava.awt.headless=true -Xmx512m -Dfile.encoding=UTF-8 -classpath /usr/lib/idea-IC-117.798/lib/resources_en.jar:/usr/lib/idea-IC-117.798/lib/annotations.jar:/usr/lib/idea-IC-117.798/lib/util.jar:/usr/lib/idea-IC-117.798/lib/trove4j.jar:/usr/lib/idea-IC-117.798/lib/jdom.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/lucene-core-2.4.1.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/activation-1.1.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/maven-2.2.1-uber.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/maven2-server-impl.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/jaxb-impl.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/jaxb-api.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/maven-embedder-1.1-SNAPSHOT.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/classworlds-1.1.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/resources_en.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/commons-beanutils.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/mercury-artifact-1.0-alpha-6.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/maven-server-api.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/maven-dependency-tree-1.2.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/archetype-common-2.0-alpha-4-SNAPSHOT.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/plexus-utils-1.5.5.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/wadl-core.jar:/usr/lib/idea-IC-117.798/plugins/maven/lib/nexus-indexer-1.2.3.jar org.jetbrains.idea.maven.server.RemoteMavenServer 
2012-10-03 11:55:55,483 [  16981]   INFO - ution.rmi.RemoteProcessSupport - Port/ID: 18011/Maven2ServerImpl9407569f 
2012-10-03 11:56:58,898 [  80396]   WARN - ution.rmi.RemoteProcessSupport - The cook failed to start due to java.net.ConnectException: Connection timed out 
2012-10-03 11:57:55,483 [ 136981]   WARN - ution.rmi.RemoteProcessSupport - java.rmi.NotBoundException: _DEAD_HAND_ 
2012-10-03 11:57:55,484 [ 136982]   WARN - ution.rmi.RemoteProcessSupport - at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:106) 
2012-10-03 11:57:55,484 [ 136982]   WARN - ution.rmi.RemoteProcessSupport - at com.intellij.execution.rmi.RemoteServer.start(RemoteServer.java:73) 
2012-10-03 11:57:55,484 [ 136982]   WARN - ution.rmi.RemoteProcessSupport - at org.jetbrains.idea.maven.server.RemoteMavenServer.main(RemoteMavenServer.java:22) 
2012-10-03 11:58:01,749 [ 143247]  ERROR - com.intellij.ide.IdeEventQueue - Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(65,116),absolute(64,140),button=1,modifiers=Button1,clickCount=1] on frame0 
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:311)
    at org.jetbrains.idea.maven.project.MavenProjectReader.applyProfiles(MavenProjectReader.java:369)
    at org.jetbrains.idea.maven.project.MavenProjectReader.doReadProjectModel(MavenProjectReader.java:98)
    at org.jetbrains.idea.maven.project.MavenProjectReader.readProject(MavenProjectReader.java:52)
    at org.jetbrains.idea.maven.project.MavenProject.read(MavenProject.java:405)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.doUpdate(MavenProjectsTree.java:534)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.doAdd(MavenProjectsTree.java:481)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.update(MavenProjectsTree.java:442)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.updateAll(MavenProjectsTree.java:413)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder.readMavenProjectTree(MavenProjectBuilder.java:198)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder.access$800(MavenProjectBuilder.java:44)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder$3.run(MavenProjectBuilder.java:179)
    at org.jetbrains.idea.maven.utils.MavenUtil$8.run(MavenUtil.java:388)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:469)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$6.run(ProgressManagerImpl.java:288)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:218)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:169)
    at com.intellij.openapi.application.impl.ApplicationImpl$8$1.run(ApplicationImpl.java:641)
    at com.intellij.openapi.application.impl.ApplicationImpl$6.run(ApplicationImpl.java:434)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)
    at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:145)
Caused by: java.rmi.RemoteException: Cannot start maven service; nested exception is: 
    java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
    java.net.ConnectException: Connection timed out
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:120)
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:71)
    at org.jetbrains.idea.maven.server.RemoteObjectWrapper.getOrCreateWrappee(RemoteObjectWrapper.java:41)
    at org.jetbrains.idea.maven.server.MavenServerManager$8.execute(MavenServerManager.java:314)
    at org.jetbrains.idea.maven.server.MavenServerManager$8.execute(MavenServerManager.java:311)
    at org.jetbrains.idea.maven.server.RemoteObjectWrapper.perform(RemoteObjectWrapper.java:76)
    ... 27 more
Caused by: java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
    java.net.ConnectException: Connection timed out
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
    at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
    at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
    at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
    at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
    at com.intellij.execution.rmi.RemoteProcessSupport$2.compute(RemoteProcessSupport.java:215)
    at com.intellij.execution.rmi.RemoteUtil.executeWithClassLoader(RemoteUtil.java:122)
    at com.intellij.execution.rmi.RemoteProcessSupport.acquire(RemoteProcessSupport.java:212)
    at com.intellij.execution.rmi.RemoteProcessSupport.acquire(RemoteProcessSupport.java:133)
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:117)
    ... 32 more
Caused by: java.net.ConnectException: Connection timed out
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:529)
    at java.net.Socket.connect(Socket.java:478)
    at java.net.Socket.(Socket.java:375)
    at java.net.Socket.(Socket.java:189)
    at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
    at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
    ... 41 more
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - IntelliJ IDEA 11.1.3  Build #IC-117.798 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - JDK: 1.6.0_25 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - VM: Java HotSpot(TM) 64-Bit Server VM 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - Vendor: Sun Microsystems Inc. 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - OS: Linux 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - Last Action: OpenProject 
2012-10-03 11:58:01,752 [ 143250]  ERROR - com.intellij.ide.IdeEventQueue - Original exception:  
java.rmi.RemoteException: Cannot start maven service; nested exception is: 
    java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
    java.net.ConnectException: Connection timed out
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:120)
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:71)
    at org.jetbrains.idea.maven.server.RemoteObjectWrapper.getOrCreateWrappee(RemoteObjectWrapper.java:41)
    at org.jetbrains.idea.maven.server.MavenServerManager$8.execute(MavenServerManager.java:314)
    at org.jetbrains.idea.maven.server.MavenServerManager$8.execute(MavenServerManager.java:311)
    at org.jetbrains.idea.maven.server.RemoteObjectWrapper.perform(RemoteObjectWrapper.java:76)
    at org.jetbrains.idea.maven.server.MavenServerManager.applyProfiles(MavenServerManager.java:311)
    at org.jetbrains.idea.maven.project.MavenProjectReader.applyProfiles(MavenProjectReader.java:369)
    at org.jetbrains.idea.maven.project.MavenProjectReader.doReadProjectModel(MavenProjectReader.java:98)
    at org.jetbrains.idea.maven.project.MavenProjectReader.readProject(MavenProjectReader.java:52)
    at org.jetbrains.idea.maven.project.MavenProject.read(MavenProject.java:405)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.doUpdate(MavenProjectsTree.java:534)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.doAdd(MavenProjectsTree.java:481)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.update(MavenProjectsTree.java:442)
    at org.jetbrains.idea.maven.project.MavenProjectsTree.updateAll(MavenProjectsTree.java:413)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder.readMavenProjectTree(MavenProjectBuilder.java:198)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder.access$800(MavenProjectBuilder.java:44)
    at org.jetbrains.idea.maven.wizards.MavenProjectBuilder$3.run(MavenProjectBuilder.java:179)
    at org.jetbrains.idea.maven.utils.MavenUtil$8.run(MavenUtil.java:388)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:469)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$6.run(ProgressManagerImpl.java:288)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:218)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:169)
    at com.intellij.openapi.application.impl.ApplicationImpl$8$1.run(ApplicationImpl.java:641)
    at com.intellij.openapi.application.impl.ApplicationImpl$6.run(ApplicationImpl.java:434)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)
    at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:145)
Caused by: java.rmi.ConnectException: Connection refused to host: localhost; nested exception is: 
    java.net.ConnectException: Connection timed out
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
    at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
    at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
    at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
    at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
    at com.intellij.execution.rmi.RemoteProcessSupport$2.compute(RemoteProcessSupport.java:215)
    at com.intellij.execution.rmi.RemoteUtil.executeWithClassLoader(RemoteUtil.java:122)
    at com.intellij.execution.rmi.RemoteProcessSupport.acquire(RemoteProcessSupport.java:212)
    at com.intellij.execution.rmi.RemoteProcessSupport.acquire(RemoteProcessSupport.java:133)
    at org.jetbrains.idea.maven.server.MavenServerManager.create(MavenServerManager.java:117)
    ... 32 more
Caused by: java.net.ConnectException: Connection timed out
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:529)
    at java.net.Socket.connect(Socket.java:478)
    at java.net.Socket.(Socket.java:375)
    at java.net.Socket.(Socket.java:189)
    at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
    at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
    ... 41 more

I'm using the latest versions of IDEA (11.1.3) and Maven (3.0.4). Any ideas what I am doing wrong?

It's a common problem related to networking and address resolution. In some cases localhost may not resolve and it's required to have

127.0.0.1 localhost

in /etc/hosts file. Also make sure there are no other IP addresses mapped to localhost.

See my comment in the related YouTrack issue for more details.

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无法将 Maven 项目导入 IntelliJ IDEA

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