android–Gradle项目同步失败,没有消息,在命令行上工作

概述在AndroidStudio中,同步失败：Gradleprojectsyncfailed.Basicfunctionality(e.g.editing,debugging)willnotworkproperly.命令行gradleinstallDebug工作.“消息”视图中没有消息.在idea.log中,出现以下NullPointerException：2018-02-0414:53:15,233[thread

在Android Stu@R_403_6901@中,同步失败：

Gradle project sync Failed. Basic functionality (e.g. editing, deBUGging) will not work properly.

命令行gradle installDeBUG工作. “消息”视图中没有消息.在IDea.log中,出现以下NullPointerException：

2018-02-04 14:53:15,233 [ thread 15]   WARN - ea.IDeaSyncPopulateProjectTask - Sync Failed: null java.lang.RuntimeException: java.lang.NullPointerException    at com.intellij.openAPI.application.impl.LaterInvocator.invokeAnDWait(LaterInvocator.java:188)    at com.intellij.openAPI.application.impl.ApplicationImpl.invokeAnDWait(ApplicationImpl.java:680)    at com.intellij.openAPI.application.impl.ApplicationImpl.invokeAnDWait(ApplicationImpl.java:685)    at com.intellij.openAPI.externalSystem.util.ExternalSystemAPIUtil.executeOnEdt(ExternalSystemAPIUtil.java:469)    at com.intellij.openAPI.externalSystem.util.ExternalSystemAPIUtil.executeProjectChangeAction(ExternalSystemAPIUtil.java:458)    at com.intellij.openAPI.externalSystem.service.project.manage.ProjectDataManager.dispose(ProjectDataManager.java:401)    at com.intellij.openAPI.externalSystem.service.project.manage.ProjectDataManager.importData(ProjectDataManager.java:156)    at com.intellij.openAPI.externalSystem.service.project.manage.ProjectDataManager.importData(ProjectDataManager.java:198)    at com.intellij.openAPI.externalSystem.service.project.manage.ProjectDataManager.importData(ProjectDataManager.java:204)    at com.androID.tools.IDea.gradle.project.sync.IDea.IDeaSyncPopulateProjectTask.doSelectiveimport(IDeaSyncPopulateProjectTask.java:206)    at com.androID.tools.IDea.gradle.project.sync.IDea.IDeaSyncPopulateProjectTask.populate(IDeaSyncPopulateProjectTask.java:156)    at com.androID.tools.IDea.gradle.project.sync.IDea.IDeaSyncPopulateProjectTask.accessInvalidate Caches/Restart0(IDeaSyncPopulateProjectTask.java:51)    at com.androID.tools.IDea.gradle.project.sync.IDea.IDeaSyncPopulateProjectTask.run(IDeaSyncPopulateProjectTask.java:144)    at com.intellij.openAPI.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:726)    at com.intellij.openAPI.progress.impl.CoreProgressManager.lambda$runProcess(CoreProgressManager.java:176)    at com.intellij.openAPI.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:556)    at com.intellij.openAPI.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:501)    at com.intellij.openAPI.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:66)    at com.intellij.openAPI.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:163)    at com.intellij.openAPI.progress.impl.ProgressManagerImpl.run(ProgressManagerImpl.java:137)    at com.intellij.openAPI.application.impl.ApplicationImpl.run(ApplicationImpl.java:334)    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.lang.NullPointerException    at com.intellij.openAPI.extensions.Extensions.disposeArea(Extensions.java:168)    at com.intellij.openAPI.module.impl.ModuleImpl.dispose(ModuleImpl.java:153)    at com.intellij.openAPI.util.disposer.execute(disposer.java:48)    at com.intellij.openAPI.util.disposer.execute(disposer.java:44)    at com.intellij.openAPI.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:151)    at com.intellij.openAPI.util.objectTree.ObjectTree.executeUnregistered(ObjectTree.java:163)    at com.intellij.openAPI.util.objectTree.ObjectTree.executeall(ObjectTree.java:132)    at com.intellij.openAPI.util.disposer.dispose(disposer.java:123)    at com.intellij.openAPI.util.disposer.dispose(disposer.java:119)    at com.intellij.openAPI.module.impl.ModuleManagerImpl$ModuleModelimpl.dispose(ModuleManagerImpl.java:836)    at com.intellij.openAPI.externalSystem.service.project.AbstractIDeModifiableModelsProvIDer.dispose(AbstractIDeModifiableModelsProvIDer.java:421)    at com.intellij.openAPI.externalSystem.service.project.manage.ProjectDataManager.execute(ProjectDataManager.java:404)    at com.intellij.openAPI.externalSystem.util.disposeAwareProjectChange.run(disposeAwareProjectChange.java:36)    at com.intellij.openAPI.externalSystem.util.ExternalSystemAPIUtil.lambda$null(ExternalSystemAPIUtil.java:458)    at com.intellij.openAPI.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1023)    at com.intellij.openAPI.externalSystem.util.ExternalSystemAPIUtil.lambda$executeProjectChangeAction(ExternalSystemAPIUtil.java:458)    at com.intellij.openAPI.application.TransactionGuardImpl.run(TransactionGuardImpl.java:303)    at com.intellij.openAPI.application.impl.LaterInvocator.run(LaterInvocator.java:165)    at com.intellij.openAPI.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:410)    at com.intellij.openAPI.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399)    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)    at java.awt.EventQueue.access0(EventQueue.java:98)    at java.awt.EventQueue.run(EventQueue.java:715)    at java.awt.EventQueue.run(EventQueue.java:709)    at java.security.AccessController.doPrivileged(Native Method)    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)    at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)    at com.intellij.IDe.IDeEventQueue.defaultdispatchEvent(IDeEventQueue.java:827)    at com.intellij.IDe.IDeEventQueue._dispatchEvent(IDeEventQueue.java:655)    at com.intellij.IDe.IDeEventQueue.dispatchEvent(IDeEventQueue.java:365)    at java.awt.EventdispatchThread.pumpOneEventForFilters(EventdispatchThread.java:201)    at java.awt.EventdispatchThread.pumpEventsForFilter(EventdispatchThread.java:116)    at java.awt.EventdispatchThread.pumpEventsForHIErarchy(EventdispatchThread.java:105)    at java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:101)    at java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:93)    at java.awt.EventdispatchThread.run(EventdispatchThread.java:82)2018-02-04 14:53:15,234 [ thread 15]   INFO - e.project.sync.GradleSyncState - Gradle sync Failed (4s 121ms) 

Using .gradle and removing the
>将所有com.androID.support库升级到26.1.0
folder没有帮助.为什么是这样？它是如何修复的？

解决方法:

在设置>中取消设置本地gradle分发后构建,执行,部署> Gradle(设置用于调试此问题),AndroID Stu@R_403_6901@提供更新为gradle：3.0.1 from gradle：3.0.0.这解决了它.

以前的步骤：

>将Google()存储库添加到buildscript和allprojects
>将compileSdkVersion和targetSdkVersion升级到27

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