Can't figure out what happened. Running TomCat 6.33 and all was good for a few months. Now can start Confluence. Below is the start log. Have tried to search some of the errors, but getting no where 
Any hints?
Dec 1, 2011 3:28:17 AM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8181
Dec 1, 2011 3:28:18 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
Dec 1, 2011 3:28:18 AM org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8181
Dec 1, 2011 3:28:48 AM 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/local/jdk1.6.0_26/jre/lib/amd64/server:/usr/local/jdk1.6.0_26/jre/lib/amd64:/usr/local/jdk1.6.0_26/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
Dec 1, 2011 3:28:48 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8181
Dec 1, 2011 3:28:48 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 291 ms
Dec 1, 2011 3:28:48 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Dec 1, 2011 3:28:48 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.33
Dec 1, 2011 3:28:48 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
Dec 1, 2011 3:28:48 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
Dec 1, 2011 3:28:48 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor confluence.xml
Dec 1, 2011 3:28:57 AM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Dec 1, 2011 3:28:57 AM org.apache.catalina.core.StandardContext start
SEVERE: Context [/confluence] startup failed due to previous errors
Dec 1, 2011 3:28:57 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/confluence] registered the JDBC driver [org.hsqldb.jdbc.JDBCDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Dec 1, 2011 3:28:57 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/confluence] registered the JDBC 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.
Dec 1, 2011 3:28:57 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/confluence] registered the JDBC driver [org.postgresql.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Dec 1, 2011 3:28:57 AM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: The web application [/confluence] created a ThreadLocal with key of type [com.atlassian.core.logging.ThreadLocalErrorCollection$2] (value [com.atlassian.core.logging.ThreadLocalErrorCollection$2@75636731]) and a value of type [java.lang.Boolean] (value [false]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
Dec 1, 2011 3:28:57 AM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: The web application [/confluence] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@510bfe2c]) and a value of type [org.dom4j.DocumentFactory] (value [org.dom4j.DocumentFactory@6a5c2445]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
Dec 1, 2011 3:28:57 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Dec 1, 2011 3:28:57 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
Dec 1, 2011 3:28:58 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
Dec 1, 2011 3:28:58 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8181
Dec 1, 2011 3:28:58 AM org.apache.jk.common.ChannelSocket init
INFO: Port busy 8009 java.net.BindException: Address already in use
Dec 1, 2011 3:28:58 AM org.apache.jk.common.ChannelSocket init
SEVERE: Can't find free port 8009 8009
Dec 1, 2011 3:28:58 AM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/9 config=null
Dec 1, 2011 3:28:58 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 9565 ms
