Android 安卓工作室赢得'；不能正确执行gradle构建

在android studio中编写应用程序时，构建过程突然停止。我有9个错误：

":app:preDexDebug
Error:Could not create the Java Virtual Machine.
Error:A fatal exception has occurred. Program will exit.
Error:Could not create the Java Virtual Machine.
Error:A fatal exception has occurred. Program will exit.
Error:Could not create the Java Virtual Machine.
Error:A fatal exception has occurred. Program will exit.
Error:Could not create the Java Virtual Machine.
Error:A fatal exception has occurred. Program will exit.
Error:Execution failed for task ':app:preDexDebug'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
C:\Users\NAME\AppData\Local\Android\sdk\build-tools\21.1.2\dx.bat --dex --output C:\Users\NAME\AndroidStudioProjects\MyApplication\app\build\intermediates\pre-dexed\debug\internal_impl-21.0.3-56fc23d6165fcb12f6f6bed1589449dbd02c62e2.jar C:\Users\NAME\AndroidStudioProjects\MyApplication\app\build\intermediates\exploded-aar\com.android.support\support-v4\21.0.3\libs\internal_impl-21.0.3.jar
Error Code:
    1
Output:
    Error: Could not create the Java Virtual Machine.
    Error: A fatal exception has occurred. Program will exit."

有时在尝试启动虚拟设备时，我会收到以下消息：

"Failed to complete Gradle execution.

Cause:"

在该窗口中单击“确定”后，我得到以下结果：

"Unexpected Error
Local path doesn't exist. Local path doesn't exist. The project may need to be synced with Gradle files. Sync Project with Gradle files"

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在重新安装Android Studio并创建新项目后，仍然会发生这种情况

尝试重新安装Java。最新版本需要JDK 1.7版

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如果您有基于64位的SO，则必须下载64位版本的JDK，并启动studio64而不是studio可执行文件。

哇，谢谢您这么做。奇怪的是，它一开始就工作了，一开始就没有崩溃。