tomcat7 connection pool error -


when start tomcat7.0_26 on ubuntu 12/jdk7 (running on vm/virtual box), keep getting following error datasourcefactory in catalina.out file in logs directory. ideas how can resolved? have copied relevant server.xml , context.xml portions below well. able connect postgres db supplied username/pwd combination.

server.xml:

<resource type="javax.sql.datasource"       name="jdbc/db"       factory="org.apache.tomcat.jdbc.pool.datasourcefactory"       driverclassname="org.postgresql.driver"       url="jdbc:postgresql://localhost:5432/dbname"       username="database-user"       password="database-user-pwd"       testwhileidle="true"       testonborrow="true"       testonreturn="false"       validationquery="select 1"       validationinterval="30000"       timebetweenevictionrunsmillis="30000"       maxactive="100"       minidle="10"       maxwait="10000"       initialsize="10"       removeabandonedtimeout="60"       removeabandoned="true"       logabandoned="true"       minevictableidletimemillis="30000"       jmxenabled="true"

context.xml

<context>      <!-- default set of monitored resources -->     <watchedresource>web-inf/web.xml</watchedresource>      <!-- uncomment disable session persistence across tomcat restarts -->     <!--     <manager pathname="" />     -->      <!-- uncomment enable comet connection tacking (provides events          on session expiration webapp lifecycle) -->     <!--     <valve classname="org.apache.catalina.valves.cometconnectionmanagervalve" />     -->    <resourcelink type="javax.sql.datasource"                 name="jdbc/db"                 global="jdbc/db"/>      </context>

catalina.out: 

aug 15, 2013 3:39:22 pm org.apache.catalina.startup.catalina load info: initialization processed in 1052 ms aug 15, 2013 3:39:22 pm org.apache.catalina.core.namingcontextlistener addresource warning: failed register in jmx: javax.naming.namingexception: not load resource factory class [root exception java.lang.classnotfoundexception: org.apache.tomcat.jdbc.pool.datasourcefactory] aug 15, 2013 3:39:22 pm org.apache.catalina.mbeans.globalresourceslifecyclelistener creatembeans severe: exception processing global jndi resources javax.naming.namingexception: not load resource factory class [root exception java.lang.classnotfoundexception: org.apache.tomcat.jdbc.pool.datasourcefactory]     @ org.apache.naming.factory.resourcefactory.getobjectinstance(resourcefactory.java:84)     @ javax.naming.spi.namingmanager.getobjectinstance(namingmanager.java:321)     @ org.apache.naming.namingcontext.lookup(namingcontext.java:843)     @ org.apache.naming.namingcontext.lookup(namingcontext.java:154)     @ org.apache.naming.namingcontextbindingsenumeration.nextelementinternal(namingcontextbindingsenumeration.java:119)     @ org.apache.naming.namingcontextbindingsenumeration.next(namingcontextbindingsenumeration.java:73)     @ org.apache.naming.namingcontextbindingsenumeration.next(namingcontextbindingsenumeration.java:36)     @ org.apache.catalina.mbeans.globalresourceslifecyclelistener.creatembeans(globalresourceslifecyclelistener.java:140)     @ org.apache.catalina.mbeans.globalresourceslifecyclelistener.creatembeans(globalresourceslifecyclelistener.java:147)     @ org.apache.catalina.mbeans.globalresourceslifecyclelistener.creatembeans(globalresourceslifecyclelistener.java:112)     @ org.apache.catalina.mbeans.globalresourceslifecyclelistener.lifecycleevent(globalresourceslifecyclelistener.java:84)     @ org.apache.catalina.util.lifecyclesupport.firelifecycleevent(lifecyclesupport.java:119)     @ org.apache.catalina.util.lifecyclebase.firelifecycleevent(lifecyclebase.java:90)     @ org.apache.catalina.util.lifecyclebase.setstateinternal(lifecyclebase.java:401)     @ org.apache.catalina.util.lifecyclebase.setstate(lifecyclebase.java:346)     @ org.apache.catalina.core.standardserver.startinternal(standardserver.java:725)     @ org.apache.catalina.util.lifecyclebase.start(lifecyclebase.java:150)     @ org.apache.catalina.startup.catalina.start(catalina.java:645)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:616)     @ org.apache.catalina.startup.bootstrap.start(bootstrap.java:322)     @ org.apache.catalina.startup.bootstrap.main(bootstrap.java:450) caused by: java.lang.classnotfoundexception: org.apache.tomcat.jdbc.pool.datasourcefactory     @ java.net.urlclassloader$1.run(urlclassloader.java:217)     @ java.security.accesscontroller.doprivileged(native method)     @ java.net.urlclassloader.findclass(urlclassloader.java:205)     @ java.lang.classloader.loadclass(classloader.java:321)     @ java.lang.classloader.loadclass(classloader.java:266)     @ org.apache.naming.factory.resourcefactory.getobjectinstance(resourcefactory.java:82)     ... 23 more

you seem missing jar file tomcat-jdbc.jar. not included default in standard debian/ubuntu package. can download maven central.


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