Couldn't start confluence

When i start tomcat confluence couldn't start at atlassian-confluence.log i see next :
2008-04-22 12:28:49,406 INFO [main] [com.atlassian.confluence.lifecycle]
contextDestroyed Stopping Confluence
2008-04-22 12:28:49,406 INFO [main]
[confluence.cluster.tangosol.TangosolClusterManager] shutdown Shutting down
Coherence services
but at localhost.log i have next rows :
SEVERE: Exception starting filter jmx
org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [com.atlassian.confluence.jmx.JmxSMTPMailServer@199ec67[id=1208645280823,name=SMTP Server,description=<null>,server name=<null>,username=confluence@veil.org.ua,password=qwerty,isSessionServer=true,defaultFrom=confluence@veil.org.ua,prefix=[confluence],smtpPort=465]] with object name [Confluence:name=MailServer-SMTP Server]; nested exception is javax.management.InstanceAlreadyExistsException: Confluence:name=MailServer-SMTP Server
Caused by: javax.management.InstanceAlreadyExistsException: Confluence:name=MailServer-SMTP Server
at com.sun.jmx.mbeanserver.Repository.addMBean(Unknown Source)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(Unknown Source)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(Unknown Source)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(Unknown Source)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(Unknown Source)
at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(Unknown Source)
at org.springframework.jmx.support.MBeanRegistrationSupport.doRegister(MBeanRegistrationSupport.java:162)
at org.springframework.jmx.export.MBeanExporter.registerManagedResource(MBeanExporter.java:431)
at com.atlassian.confluence.jmx.MBeanExporterWithUnregisterImpl.registerManagedResource(MBeanExporterWithUnregisterImpl.java:93)
at com.atlassian.confluence.jmx.JmxFilter.registerObject(JmxFilter.java:164)
at com.atlassian.confluence.jmx.JmxFilter.doMailServer(JmxFilter.java:87)
at com.atlassian.confluence.jmx.JmxFilter.registerBeans(JmxFilter.java:63)
at com.atlassian.confluence.jmx.JmxFilter.init(JmxFilter.java:42)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3693)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1015)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1015)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:448)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)