I got an error: "client sent invalid header line while reading client request headers" when I pass some of ios-8859-1 encoded chinese words in http header value。 but I dont know why? and I dont know which ios-8859-1 char can not set in http header values? who can tell me the reason? the error code example(in java): String chineseWords = “一”; String headerValueby lchpersonal - Other discussion