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From bugzi...@apache.org
Subject [Bug 55976] Broken response from NIO connector in Tomcat 7.0.50
Date Wed, 08 Jan 2014 10:20:30 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=55976

Ognjen Blagojevic <ognjen.d.blagojevic@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|                            |All

--- Comment #1 from Ognjen Blagojevic <ognjen.d.blagojevic@gmail.com> ---
Java client is used for smoke testing Tomcat 7.0.50. Java client fails with
following exception:

====
Exception in thread "main" java.lang.RuntimeException: java.io.IOException:
Invalid Http response
    at webcrawler.WebCrawler.getpage(WebCrawler.java:117)
    at webcrawler.WebCrawler.repeat(WebCrawler.java:191)
    at webcrawler.WebCrawler.main(WebCrawler.java:30)
Caused by: java.io.IOException: Invalid Http response
    at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1342)
    at java.net.URL.openStream(URL.java:1037)
    at webcrawler.WebCrawler.getpage(WebCrawler.java:94)
    ... 2 more
----


Relevant lines from sun.net.www.protocol.http.HttURLConnection.getInputStream:

====
respCode = getResponseCode();
if (respCode == -1) {
    disconnectInternal();
    throw new IOException ("Invalid Http response");
}
----


So, getResponseCode returns -1. Relevant part from
sun.net.www.protocol.http.HttURLConnection.getResponseCode():

====
        /*
         * Examine the status-line - should be formatted as per
         * section 6.1 of RFC 2616 :-
         *
         * Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase
         *
         * If status line can't be parsed return -1.
         */
        if (statusLine.startsWith("HTTP/1.")) {
            int codePos = statusLine.indexOf(' ');
            if (codePos > 0) {

                int phrasePos = statusLine.indexOf(' ', codePos+1);
                if (phrasePos > 0 && phrasePos < statusLine.length()) {
                    responseMessage = statusLine.substring(phrasePos+1);
                }

                // deviation from RFC 2616 - don't reject status line
                // if SP Reason-Phrase is not included.
                if (phrasePos < 0)
                    phrasePos = statusLine.length();

                try {
                    responseCode = Integer.parseInt
                            (statusLine.substring(codePos+1, phrasePos));
                    return responseCode;
                } catch (NumberFormatException e) { }
            }
        }
        return -1;
----

So it seems that response from Tomcat doesn't contain string "HTTP/1." in the
first line.

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