Bug 47429 - Cookie value with equal sign getting truncated
Summary: Cookie value with equal sign getting truncated
Status: RESOLVED DUPLICATE of bug 44679
Alias: None
Product: Tomcat 6
Classification: Unclassified
Component: Servlet & JSP API (show other bugs)
Version: 6.0.18
Hardware: PC Windows Vista
: P2 normal (vote)
Target Milestone: default
Assignee: Tomcat Developers Mailing List
Depends on:
Reported: 2009-06-25 09:58 UTC by veera
Modified: 2010-05-05 12:11 UTC (History)
0 users


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Description veera 2009-06-25 09:58:51 UTC
It seems Tomcat has implemented the RFC standards in the latest version which doesn't allow "=" sign in the cookie value. But in our organization, we authenticate the user by an encrypted cookie. Its a different team which creates the cookie and it is being consumed by many applications. This cookie has the "=" sign in the value. We were fine until we used Tomcat 5.5.20. But when we want to upgrade to 6.0.18, we are facing issue and the funcationallity is completly broken. Is there any solution available.

Note: we cannot go ahead and ask to change the cookie value delimited by another notation now,as all the applications will get impacted.
Comment 1 Mark Thomas 2009-06-25 10:19:14 UTC
Workarounds are available. Further advice is available via the users list if required.
Comment 2 Filip Hanik 2009-06-25 10:20:15 UTC
Please Use the tomcat user mailing list as a support forum.
Comment 3 Konstantin Kolinko 2010-05-05 12:11:26 UTC
Since 6.0.24 there is a configuration option, that allows '=' in the cookie value. See

*** This bug has been marked as a duplicate of bug 44679 ***