OK. So I am guessing that the errors are happening on a unit test that uses 
Spring’s mock classes and those were upgraded in 4.x to support Servlet 3.0.

Ralph

> On Oct 23, 2017, at 11:46 AM, Mikael Ståldal <mi...@apache.org> wrote:
> 
> It happened when Spring Framework was upgraded to 4.x.
> 
> 
> On 2017-10-23 20:14, Ralph Goers wrote:
>> So does this mean that log4j-taglib no longer supports servlet 2.5?  How did 
>> this happen with no changes?
>> Ralph
>>> On Oct 23, 2017, at 8:21 AM, Gary Gregory <garydgreg...@gmail.com> wrote:
>>> 
>>> On Thu, Oct 19, 2017 at 2:14 PM, Ralph Goers <ralph.go...@dslextreme.com 
>>> <mailto:ralph.go...@dslextreme.com>>
>>> wrote:
>>> 
>>>> I am wondering why this is suddenly failing. Was it changed recently?
>>>> 
>>>> Ralph
>>>> 
>>>>> On Oct 19, 2017, at 1:00 PM, Mikael Ståldal <mi...@apache.org> wrote:
>>>>> 
>>>>> The missing class, javax.servlet.SessionCookieConfig is new in Servlet
>>>> API 3.x. In log4j-taglib pom, we have this dependency:
>>>>> 
>>>>>     <dependency>
>>>>>       <groupId>javax.servlet</groupId>
>>>>>       <artifactId>servlet-api</artifactId>
>>>>>       <version>2.5</version>
>>>>>       <scope>provided</scope>
>>>>>     </dependency>
>>>>> 
>>>>> That's causing the issue, when I changed it to 3.0.1 the test pass. Is
>>>> there any particular reason for keeping this at version 2.5?
>>>> 
>>> 
>>> I updated to 3.0.1 with [LOG4J2-2089][TagLib] Update servlet-api provided
>>> dependency from 2.5 to 3.0.1.
>>> 
>>> Gary
>>> 
>>>> 
>>>>> 
>>>>> On 2017-10-19 21:27, Ralph Goers wrote:
>>>>>> I’m not sure why that would be. AFAIK that hasn’t been modified in a
>>>> long time.
>>>>>> Ralph
>>>>>>> On Oct 19, 2017, at 12:15 PM, Mikael Ståldal <mi...@apache.org> wrote:
>>>>>>> 
>>>>>>> I get a bunch of these errors in log4j-taglib when trying to build
>>>> current master branch locally:
>>>>>>> 
>>>>>>> [ERROR] Errors:
>>>>>>> [ERROR]   CatchingTagTest.setUp:48 » NoClassDefFound javax/servlet/
>>>> SessionCookieConfig
>>>>>>> [ERROR]   CatchingTagTest.setUp:48 » NoClassDefFound javax/servlet/
>>>> SessionCookieConfig
>>>>>>> [ERROR]   CatchingTagTest.setUp:48 » NoClassDefFound javax/servlet/
>>>> SessionCookieConfig
>>>>>>> [ERROR]   DumpTagTest.setUp:51 » NoClassDefFound javax/servlet/
>>>> SessionCookieConfig
>>>>>>> [ERROR]   DumpTagTest.setUp:51 » NoClassDefFound javax/servlet/
>>>> SessionCookieConfig
> 
> 


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