[WICKET-3537] Wicket example "Library" - sign out not working

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5-RC2
• Fix Version/s: 1.5-RC3
• Component/s: wicket-examples
• Labels: example library
• Assignee: Martin Tzvetanov Grigorov
• Reporter: Bertrand Guay-Paquet
• Created: 15/Mar/11 18:39
• Updated: 11/Apr/11 21:34
• Resolved: 15/Mar/11 22:04

Description

Steps to reproduce :
1-Click on the "library" example
2-sign in
3-sign out

Step 3 produces :
HTTP ERROR 500

Problem accessing /library/wicket/bookmarkable/org.apache.wicket.examples.library.SignOut. Reason:

Header was already written to response!

Caused by:

java.lang.IllegalStateException: Header was already written to response!
at org.apache.wicket.protocol.http.HeaderBufferingWebResponse.checkHeader(HeaderBufferingWebResponse.java:62)
at org.apache.wicket.protocol.http.HeaderBufferingWebResponse.addCookie(HeaderBufferingWebResponse.java:69)
at org.apache.wicket.util.cookies.CookieUtils.save(CookieUtils.java:297)
at org.apache.wicket.util.cookies.CookieUtils.remove(CookieUtils.java:233)
at org.apache.wicket.util.cookies.CookieUtils.remove(CookieUtils.java:80)
at org.apache.wicket.authentication.strategy.DefaultAuthenticationStrategy.remove(DefaultAuthenticationStrategy.java:151)