Hi. Im trying to install teamwork application. And I get an error SEVERE: Error listenerStart. Here is tomcat6 log:

Aug 1, 2010 10:29:07 PM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8080
Aug 1, 2010 10:29:40 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
Aug 1, 2010 10:29:40 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Aug 1, 2010 10:29:40 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1220 ms
Aug 1, 2010 10:29:40 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Aug 1, 2010 10:29:40 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.26
Aug 1, 2010 10:29:40 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
Aug 1, 2010 10:29:40 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
Aug 1, 2010 10:29:41 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory teamwork
Aug 1, 2010 10:29:41 PM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Aug 1, 2010 10:29:41 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/teamwork] startup failed due to previous errors
log4j:WARN No appenders could be found for logger (platformLogger).
log4j:WARN Please initialize the log4j system properly.
Aug 1, 2010 10:29:41 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Aug 1, 2010 10:29:42 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
Aug 1, 2010 10:29:42 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory sample
Aug 1, 2010 10:29:42 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Aug 1, 2010 10:29:42 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Aug 1, 2010 10:29:42 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Aug 1, 2010 10:29:42 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/15 config=null
Aug 1, 2010 10:29:42 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2378 ms

Can anyone help me to find why I cant run teamwork application, please?