windows命令行运行某个命令时出现：

解决办法：

设置开始->控制面板->系统和安全->系统->高级系统设置->环境变量->系统变量->新建：

变量名: _JAVA_OPTIONS

变量值: Xmx512M

如果这样还不行的话继续减小变量值直到不报错。

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