Spring DM WebExtender Exception

gistfile1.java

17.09.2009 09:08:23 org.springframework.osgi.web.deployer.tomcat.TomcatWarDeployer afterPropertiesSet
SEVERE: No Catalina Service found, bailing out
org.springframework.osgi.service.ServiceUnavailableException: service matching filter=[(objectClass=org.apache.catalina.Service)] unavailable
 at org.springframework.osgi.service.importer.support.internal.aop.ServiceDynamicInterceptor.getTarget(ServiceDynamicInterceptor.java:395)
 at org.springframework.osgi.service.importer.support.internal.aop.ServiceDynamicInterceptor.afterPropertiesSet(ServiceDynamicInterceptor.java:455)
 at org.springframework.osgi.service.importer.support.OsgiServiceProxyFactoryBean.createProxy(OsgiServiceProxyFactoryBean.java:185)
 at org.springframework.osgi.service.importer.support.AbstractServiceImporterProxyFactoryBean.getObject(AbstractServiceImporterProxyFactoryBean.java:86)
 at org.springframework.osgi.service.importer.support.OsgiServiceProxyFactoryBean.getObject(OsgiServiceProxyFactoryBean.java:137)
 at org.springframework.osgi.web.deployer.internal.util.Utils.createServerServiceProxy(Utils.java:117)
 at org.springframework.osgi.web.deployer.tomcat.TomcatWarDeployer.afterPropertiesSet(TomcatWarDeployer.java:90)
 at org.springframework.osgi.web.extender.internal.activator.WarListenerConfiguration.createDefaultWarDeployer(WarListenerConfiguration.java:197)
 at org.springframework.osgi.web.extender.internal.activator.WarListenerConfiguration.(WarListenerConfiguration.java:105)
 at org.springframework.osgi.web.extender.internal.activator.WarLoaderListener$1.run(WarLoaderListener.java:353)
 at java.lang.Thread.run(Thread.java:619)