当我试图通过Android Studio导入我的项目时，出现了这个错误。
我在项目中使用了gmaps。我该如何解决这个错误？
我已经重新安装了Java并重置了JAVA_HOME。我也确保Gradle设置正确。
2013-12-23 11:13:35,448 [ 107774] WARN - nal.AbstractExternalSystemTask - Cause: java.util.ArrayList cannot be cast to java.util.Map
com.intellij.openapi.externalSystem.model.ExternalSystemException: Cause: java.util.ArrayList cannot be cast to java.util.Map
at org.jetbrains.plugins.gradle.service.project.GradleExecutionHelper.execute(GradleExecutionHelper.java:160)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver.resolveProjectInfo(AndroidGradleProjectResolver.java:135)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver.resolveProjectInfo(AndroidGradleProjectResolver.java:77)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:83)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:42)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:41)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.AbstractRemoteExternalSystemService.execute(AbstractRemoteExternalSystemService.java:59)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl.resolveProjectInfo(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.wrapper.ExternalSystemProjectResolverWrapper.resolveProjectInfo(ExternalSystemProjectResolverWrapper.java:49)
at com.intellij.openapi.externalSystem.service.internal.ExternalSystemResolveProjectTask.doExecute(ExternalSystemResolveProjectTask.java:53)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:130)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:120)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$3.execute(ExternalSystemUtil.java:422)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$4$1.run(ExternalSystemUtil.java:475)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:464)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$6.run(ProgressManagerImpl.java:274)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
at com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:209)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:212)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:171)
at com.intellij.openapi.application.impl.ApplicationImpl$10$1.run(ApplicationImpl.java:657)
at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:435)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:152)
com.intellij.openapi.externalSystem.model.ExternalSystemException: Cause: java.util.ArrayList cannot be cast to java.util.Map
at com.android.tools.idea.gradle.project.ProjectImportErrorHandler.createUserFriendlyError(ProjectImportErrorHandler.java:204)
at com.android.tools.idea.gradle.project.ProjectImportErrorHandler.getUserFriendlyError(ProjectImportErrorHandler.java:146)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver$1.fun(AndroidGradleProjectResolver.java:157)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver$1.fun(AndroidGradleProjectResolver.java:135)
at org.jetbrains.plugins.gradle.service.project.GradleExecutionHelper.execute(GradleExecutionHelper.java:157)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver.resolveProjectInfo(AndroidGradleProjectResolver.java:135)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver.resolveProjectInfo(AndroidGradleProjectResolver.java:77)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:83)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:42)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:41)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.AbstractRemoteExternalSystemService.execute(AbstractRemoteExternalSystemService.java:59)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl.resolveProjectInfo(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.wrapper.ExternalSystemProjectResolverWrapper.resolveProjectInfo(ExternalSystemProjectResolverWrapper.java:49)
at com.intellij.openapi.externalSystem.service.internal.ExternalSystemResolveProjectTask.doExecute(ExternalSystemResolveProjectTask.java:53)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:130)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:120)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$3.execute(ExternalSystemUtil.java:422)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$4$1.run(ExternalSystemUtil.java:475)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:464)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$6.run(ProgressManagerImpl.java:274)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
at com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:209)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:212)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:171)
at com.intellij.openapi.application.impl.ApplicationImpl$10$1.run(ApplicationImpl.java:657)
at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:435)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:152)
我正在使用Windows 7 - 64位电脑上的Studio 0.3.2和Gradle 1.9。