tomcat：Error parsing HTTP request header

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瀏覽器請求 tomcat 伺服器位址，如果連結中帶有特殊字元，比如 {}，會報錯：

Error parsing HTTP request header
Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986

 

解決：

在 tomcat/conf/catalina.properties 檔案，最後一行加上

tomcat.util.http.parser.HttpParser.requestTargetAllow=|{}

重啟 tomcat 即可

 

tomcat：Error parsing HTTP request header