getParameter().getBytes() behaves differently on Linux 2006-03-18 - By Ahmed Ashour
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Dear all,
I think something is wrong with parsing parameters for get requests with
binary encoding, although request.getCharacterEncoding() is null, the output is
different in red hat linux, consider the following test case:
-- ---- ---- Servlet code -- ---- ----
protected void doGet(HttpServletRequest request, HttpServletResponse res)
throws ServletException, IOException {
System.out.println( "Query String is " + request.getQueryString() );
String text = request.getParameter( "text" );
for( byte b : text.getBytes() )
System.out.print( "0x" + Integer.toHexString( b ) + ' ' );
}
-- ---- ---- client code -- ---- ----
get( "http://host:port/app/servletname?text=%24%F6%10%30%00" );
private static String get(String url) throws IOException {
try {
URL _url = new URL(url);
InputStream _is = _url.openStream();
int length = _is.available();
byte[] _out = new byte[length];
_is.read(_out, 0, length);
_is.close();
return new String(_out);
} catch (Exception e) {}
return null;
}
-- ---- ---- end of code -- ---- ----
Windows Output:
Query String is text=%24%F6%10%30%00
0x24 0xfffffff6 0x10 0x30 0x0
Linux output:
Query String is text=%24%F6%10%30%00
0x24 0xffffffc3 0xffffffb6 0x10 0x30 0x0
version used is:
Using CATALINA_BASE: /usr/tomcat
Using CATALINA_HOME: /usr/tomcat
Using CATALINA_TMPDIR: /usr/tomcat/temp
Using JRE_HOME: /usr/java/jdk1.5.0_06
Server version: Apache Tomcat/5.5.16
Server built: Mar 4 2006 08:22:29
Server number: 5.5.16.0
OS Name: Linux
OS Version: 2.4.21-32.0.1.ELsmp
Architecture: i386
JVM Version: 1.5.0_06-b05
JVM Vendor: Sun Microsystems Inc.
What do you think the reason for this discripancy?
Many thanks in advance,
Yours,
Ahmed Ashour
-- ---- ---- ---- ---- ---- -----
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