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我有一个使用该grails create-app命令创建的新 grails 3 项目。当我尝试Application.main()从 IntelliJ IDEA 运行时，出现以下错误

Exception in thread "main" java.lang.ExceptionInInitializerError
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:122)
Caused by: java.lang.NullPointerException
    at grails.dev.Support.enableAgentIfNotPresent(Support.groovy:54)
    at grails.dev.Support$enableAgentIfNotPresent.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:114)
    at test.Application.<clinit>(Application.groovy)
    ... 3 more

如果我使用gradle bootRun. 我的系统配置如下：

Win 7 64 bit
IntelliJ IDEA 14.1.3 community edition
Grails 3.0.1
GRAILS_HOME=D:\grails-3.0.1\bin
Java 1.8.45
JAVA_HOME=C:Program Files\Java\jdk1.8.0_45
4

1 回答 1

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您需要将GRAILS_HOME变量设置为 Grails 安装的根目录，而不是 bin 文件夹

GRAILS_HOME=D:\grails-3.0.1
于 2015-06-04T22:26:45.040 回答