[TYPO3-english] Problem with upgrade: Your browser version looks incompatible with this TYPO3 version!

[Bert Hiddink [BENDOO e-work solutions]]

Hello Stephan,

Thanks for reply, yes I am aware of upgrading to 6.2.
In this case, the problem came from an include () in localconf.pho which 
was not correct.

Thanks!
Bert

On 09-10-14 12:34, Stephan Großberndt wrote:
> Hi Bert,
>
> make sure all caches are deleted - as well in the clients browser (!)
> (which version of which browser by the way?) as in typo3 (typo3temp,
> typo3conf/temp_*).
>
> If that does not work and you are only a bit into PHP debugging you can
> check whats happening: It will be some kind of problem with the user
> agent string the browser is sending. did the client override it?
>
> The exception is thrown in typo3/init.php:388 if $CLIENT['BROWSER'] is
> empty. $CLIENT is filled in t3lib/class.t3lib_div.php:4276 - if the
> useragent does not match any of the strings $CLIENT['BROWSER'] will be
> empty.
>
> So to test it you should insert a new line 4291 (before
>
> if ($bInfo['BROWSER']) {
>
> ) and do a
>
> var_dump($useragent);var_dump($bInfo);
>
> there.
>
> Then call the login URL from the client having problems, check the
> output and if you cant figure it out by yourself then post the output here.
>
> By the way 4.5.36 should be only a first step for you now as 4.5 will
> get security updates only until march of next year. So you should
> consider (depending on the extensions you use) to upgrade from 4.5 LTS
> to 6.2 LTS.
>
> Regards,
> Stephan
>
> Am 08.10.2014 um 19:21 schrieb Bert Hiddink [BENDOO e-work solutions]:
>> Hello,
>>
>> A client was using an old version of TYPO3 (4.3.x) and suddenly got this
>> error when trying to log into the Backend:
>>
>> "Browser error
>>
>> Your browser version looks incompatible with this TYPO3 version!"
>>
>> So I decided to upgrade first to a 4.5 LTS version (4.5.36).
>>
>> However, when trying to log into the BE, I still got this error:
>>
>> "Oops, an error occured!
>>
>> Browser Error: Your browser version looks incompatible with this TYPO3
>> version!"
>>
>>  From what I remember this error was due to a hardcoded browser version
>> (MSIE, Mozilla, etc) but was resolved a long time ago.
>>
>> How could this problem still come up with 4.5.x LTS? Any
>> ideas/suggestions?
>>
>> Thanks in advance!
>>
>> Regards,
>> Bert
>