求助,要分的进来,简单问题

Question

帮忙看看错误原因和解决办法:
Using CATALINA_BASE:   /root/.netbeans/4.0/jakarta-tomcat-5.0.28_base
Using CATALINA_HOME:   /opt/netbeans-4.0/nb4.0/jakarta-tomcat-5.0.28
Using CATALINA_TMPDIR: /root/.netbeans/4.0/jakarta-tomcat-5.0.28_base/temp
Using JAVA_HOME:       /opt/jdk1.5.0_02
2005-6-21 18:43:42 org.apache.coyote.http11.Http11Protocol init
严重: Error initializing endpoint
java.net.BindException: Address already in use:8084
    at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:264)
    at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:137)
    ......
2005-6-21 18:43:43 org.apache.catalina.startup.Catalina load
严重: Catalina.start
LifecycleException:  Protocol handler initialization failed: java.net.BindException: Address already in use:8084
    at org.apache.coyote.tomcat5.CoyoteConnector.initialize(CoyoteConnector.java:1431)
    ......
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:424)
2005-6-21 18:43:43 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 13459 ms
2005-6-21 18:43:45 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2005-6-21 18:43:45 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.0.28
2005-6-21 18:43:45 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2005-6-21 18:43:47 org.apache.catalina.core.StandardHost getDeployer
信息: Create Host deployer for direct deployment ( non-jmx ) 
2005-6-21 18:43:47 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:/root/.netbeans/4.0/jakarta-tomcat-5.0.28_base/conf/Catalina/localhost/admin.xml
2005-6-21 18:43:49 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true
2005-6-21 18:43:49 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.struts.action.ActionResources', returnNull=true
2005-6-21 18:43:53 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.webapp.admin.ApplicationResources', returnNull=true
2005-6-21 18:44:05 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:/root/.netbeans/4.0/jakarta-tomcat-5.0.28_base/conf/Catalina/localhost/manager.xml
2005-6-21 18:44:05 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:/root/.netbeans/4.0/jakarta-tomcat-5.0.28_base/conf/Catalina/localhost/balancer.xml
2005-6-21 18:44:06 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:/root/.netbeans/4.0/jakarta-tomcat-5.0.28_base/conf/Catalina/localhost/TomcatJSP示例.xml
2005-6-21 18:44:07 org.apache.coyote.http11.Http11Protocol start
严重: Error starting endpoint
java.net.BindException: Address already in use:8084
    at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:264)
   ........
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2005-6-21 18:44:07 org.apache.catalina.startup.Catalina start
严重: Catalina.start: 
LifecycleException:  Protocol handler start failed: java.net.BindException: Address already in use:8084
    at org.apache.coyote.tomcat5.CoyoteConnector.start(CoyoteConnector.java:1529)
    .......
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2005-6-21 18:44:07 org.apache.catalina.startup.Catalina start
信息: Server startup in 23381 ms
StandardServer.await: create[8025]: java.net.BindException: Address already in use
java.net.BindException: Address already in use
    at java.net.PlainSocketImpl.socketBind(Native Method)
    ......
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2005-6-21 18:44:07 org.apache.coyote.http11.Http11Protocol pause
信息: Pausing Coyote HTTP/1.1 on http-8084
2005-6-21 18:44:07 org.apache.coyote.tomcat5.CoyoteConnector pause
严重: Protocol handler pause failed
java.lang.NullPointerException
    at org.apache.coyote.tomcat5.CoyoteConnector.pause(CoyoteConnector.java:1444)
    at org.apache.catalina.core.StandardService.stop(StandardService.java:521)