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我已經開始學習Grails了。爲了項目的特定目的，我在Ubuntu中安裝了Grails 3.0.0。每當我在IDE（IntelliJ）中啓動一個Grails項目時。我得到以下錯誤Grails無法解析類org.grails.compiler.injection.TraitInjectionSupport
| Error Failed to compile idea-list-injected-traits.groovy: startup failed:
idea-list-injected-traits.groovy: 2: unable to resolve class org.grails.compiler.injection.TraitInjectionSupport
@ line 2, column 1.
import org.grails.compiler.injection.TraitInjectionSupport
^
1 error
(Use --stack trace to see the full trace)
| Error occurred running Grails CLI: null (Use --stack trace to see the full trace)
Process finished with exit code 1
我該如何解決？我在Grails中是全新的。謝謝。