The usual answer (which may or may not be relevant) is that Solr 4.3 has moved the logging libraries around and you need to copy specific library implementations to your Tomcat lib files. If that sounds as a possible, search the mailing list for a number of detailed discussions on this topic.
Regards, Alex Personal blog: http://blog.outerthoughts.com/ LinkedIn: http://www.linkedin.com/in/alexandrerafalovitch - Time is the quality of nature that keeps events from happening all at once. Lately, it doesn't seem to be working. (Anonymous - via GTD book) On Mon, May 27, 2013 at 1:34 PM, Gian Maria Ricci <alkamp...@nablasoft.com>wrote: > I’ve a test VM where I usually test solr installation. In that VM I > already configured solr4.0 and everything went good. Today I download the > 4.3 version, unpack everything, configuring TOMCAT as I did for the 4.0 > version but the application does not start, and in catilina log I find only > **** > > ** ** > > May 27, 2013 7:31:54 PM org.apache.catalina.core.StandardContext > startInternal**** > > SEVERE: Error filterStart**** > > May 27, 2013 7:31:54 PM org.apache.catalina.core.StandardContext > startInternal**** > > SEVERE: Context [/TestInstance43] startup failed due to previous errors*** > * > > ** ** > > Where can I find more info on what is wrong? It seems that in log file > there is no detailed information on why the Application should not start.* > *** > > ** ** > > --**** > > Gian Maria Ricci**** > > Mobile: +39 320 0136949**** > > <http://mvp.microsoft.com/en-us/mvp/Gian%20Maria%20Ricci-4025635> [image: > https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcQyg0wiW_QuTxl-rnuVR2P0jGuj4qO3I9attctCNarL--FC3vdPYg]<http://www.linkedin.com/in/gianmariaricci> > [image: > https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcT8z0HpwpDSjDWw1I59Yx7HmF79u-NnP0NYeYYyEyWM1WtIbOl7]<https://twitter.com/alkampfer> > [image: > https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcQQWMj687BGGypKMUTub_lkUrull1uU2LTx0K2tDBeu3mNUr7Oxlg]<http://feeds.feedburner.com/AlkampferEng> > [image: > https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSkTG_lPTPFe470xfDtiInUtseqKcuV_lvI5h_-8t_3PsY5ikg3] > **** > > ** ** > > ** ** >