我无法在 Android Studio 中使用后端生成功能。我按照这篇博客文章尝试为我的应用程序设置后端,但是我收到以下 IDE 错误:
插件 Maven 集成中的异常
Argument 0 for @NotNull parameter of com/intellij/util/containers/ContainerUtil.map must not be null: Argument 0 for @NotNull parameter of com/intellij/util/containers/ContainerUtil.map must not be null
java.lang.IllegalArgumentException: Argument 0 for @NotNull parameter of com/intellij/util/containers/ContainerUtil.map must not be null
at com.intellij.util.containers.ContainerUtil.map(ContainerUtil.java)
at org.jetbrains.idea.maven.utils.MavenUtil.collectFiles(MavenUtil.java:247)
at org.jetbrains.idea.maven.wizards.MavenProjectBuilder.commit(MavenProjectBuilder.java:129)
at com.intellij.projectImport.ProjectImportBuilder.commit(ProjectImportBuilder.java:59)
at com.google.gct.intellij.endpoints.externalbuilder.MavenBackendGeneratorHelper.addMavenFunctionality(MavenBackendGeneratorHelper.java:216)
at com.google.gct.intellij.endpoints.externalbuilder.ui.GenerateMavenBackend.actionPerformed(GenerateMavenBackend.java:115)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:162)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:260)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:892)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:114)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:230)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:104)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:512)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:44)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:532)
at java.awt.Component.processMouseEvent(Component.java:6505)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:688)
at java.awt.EventQueue$3.run(EventQueue.java:686)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:702)
at java.awt.EventQueue$4.run(EventQueue.java:700)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:699)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:686)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:510)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:339)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
该过程完成后,我只生成了 -AppEngine 模块,没有 -endpoints 模块。
我确定 Maven 已在我的机器上正确设置,我检查了这个问题,该问题也抱怨无法生成后端。
这个问题有解决方案吗?