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我有一個從Play 2.0.4遷移到2.1的應用程序。在Play 2.1中編譯時,此錯誤被拋出。Play 2.1 Java Promise
[error] /Users/XXX/app/controllers/SomePost.java:93: cannot find symbol
[error] symbol : constructor Promise(org.codehaus.jackson.node.ObjectNode)
[error] location: class play.libs.F.Promise<org.codehaus.jackson.node.ObjectNode>
[error] return new Promise<ObjectNode>(result);
我該如何解決這個問題?