法無簽名：java.lang.String.encodeAsLineBreak（）常規/ Grails的

Question

我試圖調試GSP頁面，但我發現了以下錯誤：

Error 500: 
Servlet: default 
URI: /iucentral/QAInfo/list 
Exception Message: No signature of method: java.lang.String.encodeAsLineBreak() is applicable for argument types:() values: [] 
Caused by: 
    Error processing GroovyPageView: 
    Error executing tag <g:form>: 
    Error evaluating expression [QAInfoInstance.fromTables.encodeAsHTML().encodeAsLineBreak()] on line [428]: 
    groovy.lang.MissingMethodException: No signature of method: java.lang.String.encodeAsLineBreak() is applicable for argument types:() values: [] 
    at D:/Users/psouzamo/Documents/workspace-sts-2.7.2.RELEASE/uicentral/grails-app/views/QAInfo/list.gsp:441 
Class: list.gsp 
At Line: [446] 
Code Snippet: 

Answer 1

換行符是不是標準Grails編解碼器，因此請確保您的定製編解碼器在grails/utils文件夾中正確定義。

class LineBreakCodec { 
    static encode = { str -> 
     // convert the string and return the result 
    } 
} 

見11.2 http://grails.org/doc/latest/guide/single.html#11.2%20Encoding%20and%20Decoding%20Objects