我想在我的筆記本上運行grails,我已經安裝了jdk 1.8.0和jre8,我已經正確設置了JAVA_HOME和GRAILS_HOME。當我在命令提示符下鍵入%JAVA_HOME%或%GRAILS_HOME%時,它顯示正確的路徑。但是,當我嘗試運行任何Grails的命令,我收到以下錯誤:Grails沒有運行
| Loading Grails 2.1.1
| Error java.lang.reflect.InvocationTargetException
| Error at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| Error at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
| Error at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
| Error at java.lang.reflect.Method.invoke(Method.java:491)
| Error at org.codehaus.groovy.grails.cli.support.GrailsStarter.rootLoader(GrailsStarter.java:234)
| Error at org.codehaus.groovy.grails.cli.support.GrailsStarter.main(GrailsStarter.java:262)
| Error at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| Error at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
| Error at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
| Error at java.lang.reflect.Method.invoke(Method.java:491)
| Error at org.codehaus.groovy.grails.cli.support.GrailsStarter.rootLoader(GrailsStarter.java:234)
| Error at org.codehaus.groovy.grails.cli.support.GrailsStarter.main(GrailsStarter.java:262)
| Error Caused by: java.lang.NullPointerException: Cannot invoke method getAt() on null object
| Error at grails.util.BuildSettings.configureDependencyManager(BuildSettings.groovy:1208)
| Error at grails.util.BuildSettings$configureDependencyManager.callCurrent(Unknown Source)
| Error at grails.util.BuildSettings.postLoadConfig(BuildSettings.groovy:1121)
| Error at grails.util.BuildSettings.loadConfig(BuildSettings.groovy:1003)
| Error at grails.util.BuildSettings$loadConfig.callCurrent(Unknown Source)
| Error at grails.util.BuildSettings.loadConfig(BuildSettings.groovy:978)
我的電腦有Windows 8的 任何有關此幫助將不勝感激。
這是在你創建任何項目之前? – Alidad
是的,在設置環境變量之後。 –
你的java家正在指向哪裏?確保JAVA_HOME指向一個jdk,而不僅僅是一個jvm – Alidad