Novell Tomcat5 starts according to /etc/init.d/novell-tomcat5 start but going to iManager I get 503 error.

Can I just "uninstall" Novell-Tomcat5 and re-install it along with iManager, NetStorate, etc or can I fix it some other way?

Log files:

START.LOG

Using CATALINA_BASE: /var/opt/novell/tomcat5/
Using CATALINA_HOME: /usr/share/tomcat5
Using CATALINA_TMPDIR: /var/opt/novell/tomcat5//temp
Using JAVA_HOME: /usr/lib/jvm/java-1_5_0-ibm-1.5.0

CATALINA.OUT


2009-10-14 14:10:19,092 [main] INFO org.apache.catalina.startup.Catalina - Init
ialization processed in 610 ms
2009-10-14 14:10:19,163 [main] INFO org.apache.catalina.core.StandardService -
Starting service Catalina
2009-10-14 14:10:19,165 [main] INFO org.apache.catalina.core.StandardEngine - S
tarting Servlet Engine: Apache Tomcat/5.0
2009-10-14 14:10:19,174 [main] INFO org.apache.catalina.core.StandardHost - XML
validation disabled
2009-10-14 14:10:19,176 [main] INFO org.apache.catalina.core.StandardHost - Cre
ate Host deployer for direct deployment ( non-jmx )
2009-10-14 14:10:19,179 [main] INFO org.apache.catalina.core.StandardHostDeploy
er - Processing Context configuration file URL file:/var/opt/novell/tomcat5/conf
/Catalina/localhost/qfsearch.xml
Oct 14, 2009 2:10:19 PM org.apache.catalina.session.ManagerBase getDigest
SEVERE: Cannot find message associated with key managerBase.digest
java.security.NoSuchAlgorithmException: MD5 MessageDigest not available
at sun.security.jca.GetInstance.getInstance(GetInstan ce.java:158)
at java.security.Security.getImpl(Security.java:691)
at java.security.MessageDigest.getInstance(MessageDig est.java:145)
at org.apache.catalina.session.ManagerBase.getDigest( ManagerBase.java:32
4)
at org.apache.catalina.session.ManagerBase.generateSe ssionId(ManagerBase
.java:838)
at org.apache.catalina.session.StandardManager.start( StandardManager.java:651)
at org.apache.catalina.core.ContainerBase.setManager( ContainerBase.java:499)
at org.apache.catalina.startup.ContextConfig.managerC onfig(ContextConfig.java:313)
at org.apache.catalina.startup.ContextConfig.start(Co ntextConfig.java:635)
at org.apache.catalina.startup.ContextConfig.lifecycl eEvent(ContextConfig.java:216) at org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(Sta ndardContext.java:4266)
at org.apache.catalina.core.ContainerBase.addChildInt ernal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(Co ntainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(Sta ndardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.addC hild(StandardHostDeployer.java:903)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.apache.commons.beanutils.MethodUtils.invokeMet hod(MethodUtils.java:216)
at org.apache.commons.digester.SetNextRule.end(SetNex tRule.java:216)
at org.apache.commons.digester.Rule.end(Rule.java:230 )
at org.apache.commons.digester.Digester.endElement(Di gester.java:1130)
at org.apache.catalina.util.CatalinaDigester.endEleme nt(CatalinaDigester.java:76)
at org.apache.xerces.parsers.AbstractSAXParser.endEle ment(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerI mpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerI mpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerI mpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse (Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse (Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse( Unknown Source)
at org.apache.commons.digester.Digester.parse(Digeste r.java:1666)
at org.apache.catalina.core.StandardHostDeployer.inst all(StandardHostDeployer.java:488)
at org.apache.catalina.core.StandardHost.install(Stan dardHost.java:863)
at org.apache.catalina.startup.HostConfig.deployDescr iptors(HostConfig.java:483)
at org.apache.catalina.startup.HostConfig.deployApps( HostConfig.java:427)
at org.apache.catalina.startup.HostConfig.start(HostC onfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEv ent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(Standa rdHost.java:789)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(Stan dardEngine.java:478)
at org.apache.catalina.core.StandardService.start(Sta ndardService.java:480)
at org.apache.catalina.core.StandardServer.start(Stan dardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:556)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:425)