On Wed, Oct 14, 2015 at 04:12:35AM -0700, Otuoma Sanya wrote:
> I am installing dsapce-5.3 on debian 7 but tomcat seems to be unable to 
> load dspace webapps.
> It shows a blank web page and when i check the atalina.out file, i get the 
> following errors:
> 
> ------------------------------START ----- 
> /var/log/tomcat7/catalina.out--------------------------------------------------
> INFO: Starting service Catalina
> Oct 14, 2015 2:04:17 PM org.apache.catalina.core.StandardEngine 
> startInternal
> INFO: Starting Servlet Engine: Apache Tomcat/7.0.28
> Oct 14, 2015 2:04:17 PM org.apache.catalina.startup.HostConfig 
> deployDirectory
> INFO: Deploying web application directory /var/lib/tomcat7/webapps/solr
> Oct 14, 2015 2:04:19 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Error listenerStart
> Oct 14, 2015 2:04:19 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Context [/solr] startup failed due to previous errors
> Oct 14, 2015 2:04:19 PM org.apache.catalina.startup.HostConfig 
> deployDirectory
> INFO: Deploying web application directory /var/lib/tomcat7/webapps/rest
> Oct 14, 2015 2:04:20 PM org.apache.catalina.loader.WebappClassLoader 
> validateJarFile
> INFO: 
> validateJarFile(/var/lib/tomcat7/webapps/rest/WEB-INF/lib/servlet-api-2.5-20081211.jar)
>  
> - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: 
> javax/servlet/Servlet.class
> Oct 14, 2015 2:04:20 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Error listenerStart
> Oct 14, 2015 2:04:20 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Context [/rest] startup failed due to previous errors
> Oct 14, 2015 2:04:20 PM org.apache.catalina.startup.HostConfig 
> deployDirectory
> INFO: Deploying web application directory /var/lib/tomcat7/webapps/oai
> Oct 14, 2015 2:04:20 PM org.apache.catalina.loader.WebappClassLoader 
> validateJarFile
> INFO: 
> validateJarFile(/var/lib/tomcat7/webapps/oai/WEB-INF/lib/servlet-api-2.5-20081211.jar)
>  
> - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: 
> javax/servlet/Servlet.class
> Oct 14, 2015 2:04:21 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Error listenerStart
> Oct 14, 2015 2:04:21 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Context [/oai] startup failed due to previous errors
> Oct 14, 2015 2:04:21 PM org.apache.catalina.startup.HostConfig 
> deployDirectory
> INFO: Deploying web application directory /var/lib/tomcat7/webapps/ROOT
> Oct 14, 2015 2:04:21 PM org.apache.catalina.loader.WebappClassLoader 
> validateJarFile
> INFO: 
> validateJarFile(/var/lib/tomcat7/webapps/ROOT/WEB-INF/lib/servlet-api-2.5-20081211.jar)
>  
> - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: 
> javax/servlet/Servlet.class
> Oct 14, 2015 2:04:22 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Error listenerStart
> Oct 14, 2015 2:04:22 PM org.apache.catalina.core.StandardContext 
> startInternal
> SEVERE: Context [] startup failed due to previous errors
> Oct 14, 2015 2:04:22 PM org.apache.catalina.startup.HostConfig 
> deployDirectory
> -----------------------------------------------------END--------------------------------------------------------
> 
> When I check the WEB-INF/lib folders in each of the webapps, I can see the 
> file servlet-api-2.5-20081211.jar is present. 
> What i don't understand is why it is not being loaded.

That file *should not* be present.  servlet-api is provided by
Tomcat.  But this is not your problem; every DSpace site has those
messages.

The actual problem is probably logged in another file.  Check all the
log files that Tomcat writes, and also the DSpace log files, to see if
there are clues there.  The problem happens very early in the startup
of the webapp.s and the logging is probably not completely set up yet.

-- 
Mark H. Wood
Lead Technology Analyst

University Library
Indiana University - Purdue University Indianapolis
755 W. Michigan Street
Indianapolis, IN 46202
317-274-0749
www.ulib.iupui.edu

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