[TYPO3-english] Backend issues after upgrade to 4.3 or 4.5

[Miguel Guerrero - Tu3w]

> Hi,
> I´m having an issue with the BE-layout after upgrading TYPO3 to 4.3.12 or later.
> 
> The current version was 4.0.1. Upgrading to 4.1.15 and later to 4.2.10 went fine. 
> 
> When trying to upgrade to 4.3.12 however, the BE layout went crazy and I could´t use it anymore. Going back to 4.2.10 make things work again.
> 
> I´m following the steps in http://wiki.typo3.org/wiki/Upgrade
> 
> I tried creating an .htaccess with the suggested lines:
> 
> # Allow Apache to handle compressed .js and .css files correctly 
> <FilesMatch "\.js\.gzip$">   
> AddType "text/javascript" .gzip 
> </FilesMatch> 
> <FilesMatch "\.css\.gzip$">   
> AddType "text/css" .gzip 
> </FilesMatch> 
> AddEncoding gzip .gzip
> I also createa new vhost.conf with the following:
>     <Directory />
>          AllowOverride All
>     </Directory>
> Going further, I created the directory compressor under typo3temp with appropriate permissions, however no info is stored there. Specially I cannot find the stylsheet suggested:
> ext-all-notheme-ce48a38ef3fa7a8a196ad140c5ee728d.css.gzip?1275419916
> 
> The phpinfo file gives me the following output:
> 
> zlib
> 
> ZLib Support	enabled
> Stream Wrapper support	compress.zlib://
> Stream Filter support	zlib.inflate, zlib.deflate
> Compiled Version	1.2.3
> Linked Version	1.2.3
> 
> 
> Directive	Local Value	Master Value
> zlib.output_compression	Off	Off
> zlib.output_compression_level	-1	-1
> zlib.output_handler	no value	no value
> 
> 
> 
> 
> At the httpd.conf the line "LoadModule deflate_module modules/mod_deflate.so" was commented. I uncommented it, however nothing got better.
> 
> Perhaps it´s important to remark that the styled problems at the backend are just there and not on the Install Tool, which appears in the correct layout. 
> 
> On the domain error log, I don´t get any errors about the .htaccess, although I´m not sure if this file is working.
> 
> I´m working on a Plesk 10.2. The source code is under httpdocs/ and the core is under httpdocs/sitex/ (the symlinks are set correctly).
> 
> What else could I do to upgrade the 4.3 and then to 4.5? 
> 
> Any ideas are welcome, since for almost three days we´re stuck. 
> 
> Thanks.
> Miguel