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POProblems generating Google App Engine Backend in Android Studio
 

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  1. POProblems generating Google App Engine Backend in Android Studio
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    <p>I'm not able to use the backend generation feature in the Android Studio. I followed <a href="http://android-developers.blogspot.com/2013/06/adding-backend-to-your-app-in-android.html" rel="noreferrer">this</a> blog post trying to set up a backend for my application, however I'm getting the following IDE error:</p> <p>Exception in plugin Maven Integration</p> <pre><code>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) </code></pre> <p>After the process finishes, I only get the -AppEngine module generated, with no -endpoints module.</p> <p>I'm sure that Maven is set up properly on my machine, I checked with <a href="https://code.google.com/p/android/issues/detail?id=57193" rel="noreferrer">this</a> issue that also complains about not being able to generate the backend. </p> <p>Is there a solution to this problem?</p>
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    1. COI am having the same problem. Did you ever find a solution?
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    2. CO@jiduvah, Nope, unfortunately..
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    3. CO@Egor Thanks for the question. I've tried 2 versions of Ubuntu and 2 versions of Windows with no success. Do you know the command to generate the back end or how to generate it? It might be easier to understand debug if we all run the same (or similar) script rather than the random "point and click testing" :)
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      1. USRalph Yozzo
 

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