CookiePolicy.RFC_2109: Unable to parse expires attribute (Thu, 01-Dec-94
16:00:00 GMT)
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Key: HTTPCLIENT-1077
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1077
Project: HttpComponents HttpClient
Issue Type: Bug
Components: HttpCookie
Affects Versions: 4.1.1
Environment: JVM where de default Locale ist not Locale.US.
Reporter: Andreas Fagschlunger
Priority: Minor
In our Application we're facing problems using HttpClient 4.x (didn't have that
problem with HttpClient 3.1). The HttpClient has problems parsing the Cookie's
Expires-Attribute:
2011-04-08 10:14:21,647 [btpool0-0] WARN
org.apache.http.client.protocol.ResponseProcessCookies - Invalid cookie header:
"Set-Cookie: dfName=""; Expires=Thu, 01-Dec-94 16:00:00 GMT; Path=/appl/ebp".
Unable to parse expires attribute: Thu
We are using Cookie-Policy RFC2109:
httpClient = new DefaultHttpClient(connectionManager);
httpClient.getParams().setParameter(ClientPNames.COOKIE_POLICY,
CookiePolicy.RFC_2109);
The problems seems to be the JVM's default Locale, which is in our case de_AT
and not en_US. See following Example:
[Java]
System.out.println("Locale=" + Locale.getDefault());
String[] datePatterns = new String[] {
DateUtils.PATTERN_ASCTIME,
DateUtils.PATTERN_RFC1036,
DateUtils.PATTERN_RFC1123 };
for (String pattern : datePatterns) {
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);
dateFormat.parse("Thu, 01-Dec-94 16:00:00 GMT");
} catch (ParseException e) {
System.out.println("Pattern '" + pattern + "' failed.");
}
}
[/Java]
The output for me is following:
Locale=de_AT
Pattern 'EEE MMM d HH:mm:ss yyyy' failed.
Pattern 'EEEE, dd-MMM-yy HH:mm:ss zzz' failed.
Pattern 'EEE, dd MMM yyyy HH:mm:ss zzz' failed.
Setting the default Locale to US (Locale.setDefault(Locale.US)), the output
changes:
Locale=en_US
Pattern 'EEE MMM d HH:mm:ss yyyy' failed.
Pattern 'EEE, dd MMM yyyy HH:mm:ss zzz' failed.
So the Date (Thu, 01-Dec-94 16:00:00 GMT) and the pattern
(DateUtils.PATTERN_RFC1036: EEEE, dd-MMM-yy HH:mm:ss zzz) seem to be valid,
just the Locale is not explicitly set for the SimpleDateFormat:
http://download.oracle.com/javase/6/docs/api/java/text/SimpleDateFormat.html#SimpleDateFormat%28java.lang.String,%20java.util.Locale%29
I hope I didn't waste your time and this is realy a bug.
Best regards,
Billie
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