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before mark question duplicate this question, want read , post.
however, sth wrong , continue read in wrong format data form in jsp (with post method). have done:
1. in jsp, have put this
<%@page contenttype="text/html" pageencoding="utf-8" language="java" %> and in header <meta charset="utf-8">
2. in servlet
protected void processrequest(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception { //... //code //... request.setcharacterencoding("utf-8"); /*if (request.getcharacterencoding() == null) { request.setcharacterencoding("utf-8"); } */ //... //code //... s1 = request.getparameter(kname1); //<-here read value jsp , ÎÏδÏÎ±Î´Î±Ï } 3. in web.xml have <?xml version="1.0" encoding="utf-8"?>
what missed here??
is html right?
you seem using html5
<%@page contenttype="text/html" pageencoding="utf-8" language="java" %><!doctype html> <html> <head> <meta charset="utf-8"> <title>...</title> </head> <body> <form accept-charset="utf-8" ...> ... </body> </html> the indication in form tag allows sending utf-8 input unescaped server. otherwise might ᾕ or such. (this seems not case.)
you might check things, like
<input name="test" type="hidden" value="\u0109ĉ"> should give "ĉĉ".
there difference between forms method post , get, check them both before fixing encoding functionality in stone.
in server request encoding?
check request.getcharacterencoding() == null. otherwise filter might interfere. setting of encoding can done initially. maybe servlet forwarded to, or whatever.
conversion might happen anywhere, when looking @ text. dump request parameter purely possible:
string s = request.getparameter("test"); (char ch : s.tochararray()) { printf("\\u%04x ", 0xffff & (int)ch); } println(); 
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