javax.el.ELException：标识符 [返回] 不是有效的 Java 标识符
我有一个页面网址，如下所示：
http://mydomain.com/nodes /32/article/new?return=view
安装 tomcat 7 后，尝试访问它时出现此异常：
/nodes/${param.id}/article/new?return=${param.return}
contains invalid expression(s): javax.el.ELException: The identifier [return] is not a valid Java identifier as required by section 1.19 of the EL specification (Identifier ::= Java language identifier). This check can be disabled by setting the system property org.apache.el.parser.SKIP_IDENTIFIER_CHECK to true.
有什么想法为什么会出现这个情况吗？要修复它，我应该只在 tomcat 中更改此属性吗？
I have a page url, which looks like:
http://mydomain.com/nodes/32/article/new?return=view
After installing tomcat 7, when trying to access it I got this exception:
/nodes/${param.id}/article/new?return=${param.return}
contains invalid expression(s): javax.el.ELException: The identifier [return] is not a valid Java identifier as required by section 1.19 of the EL specification (Identifier ::= Java language identifier). This check can be disabled by setting the system property org.apache.el.parser.SKIP_IDENTIFIER_CHECK to true.
Any ideas why I get that? To fix it should I change this property in tomcat only?
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return是 Java 编程语言(tm) 中的保留关键字。但幸运的是，还有另一种拼写。尝试使用param['return']代替。returnis a reserved keyword in the Java Programming Language(tm). But luckily there is an alternative spelling. Tryparam['return']instead.