tomcat5.0.28启动出现下面错误，但是可以启动，过几天就出现白屏，连静态的html文件也打不开，都是白屏，是什么原因？

Question

tomcat5.0.28启动出现下面错误
2006-10-24 11:22:19 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8089
2006-10-24 11:22:19 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 3516 ms
2006-10-24 11:22:20 org.apache.catalina.mbeans.GlobalResourcesLifecycleListener
createMBeans
严重: Exception creating UserDatabase MBeans for UserDatabase
javax.management.MalformedObjectNameException: Missing value in properties list
        at javax.management.ObjectName.createPropertiesMap(ObjectName.java:222)
        at javax.management.ObjectName.parse(ObjectName.java:93)
        at javax.management.ObjectName.<init>(ObjectName.java:43)
        at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.jav
a:1473)
        at org.apache.catalina.mbeans.MBeanUtils.createMBean(MBeanUtils.java:736
)
        at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBe
ans(GlobalResourcesLifecycleListener.java:233)
        at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBe
ans(GlobalResourcesLifecycleListener.java:163)
        at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBe
ans(GlobalResourcesLifecycleListener.java:125)
        at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycle
Event(GlobalResourcesLifecycleListener.java:97)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:119)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:230
6)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2006-10-24 11:22:20 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2006-10-24 11:22:20 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.0.28
2006-10-24 11:22:20 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
log4j:WARN No appenders could be found for logger (org.apache.catalina.startup.T
ldConfig).
log4j:WARN Please initialize the log4j system properly.
2006-10-24 11:22:29 org.apache.catalina.core.StandardHost getDeployer
信息: Create Host deployer for direct deployment ( non-jmx )
2006-10-24 11:22:29 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:C:\tomcat\conf\Catalina\loc
alhost\admin.xml
2006-10-24 11:22:31 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.struts.util.LocalStrings', returnNull=tru
e
2006-10-24 11:22:31 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.struts.action.ActionResources', returnNul
l=true
2006-10-24 11:22:33 org.apache.struts.util.PropertyMessageResources <init>
信息: Initializing, config='org.apache.webapp.admin.ApplicationResources', retur
nNull=true
2006-10-24 11:22:41 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:C:\tomcat\conf\Catalina\loc
alhost\balancer.xml
2006-10-24 11:22:42 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:C:\tomcat\conf\Catalina\loc
alhost\manager.xml
2006-10-24 11:22:43 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path  from URL file:C:\tomcat\webapp
s\ROOT
2006-10-24 11:22:44 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /servlets-examples from URL fil
e:C:\tomcat\webapps\servlets-examples
2006-10-24 11:22:46 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /tomcat-docs from URL file:C:\t
omcat\webapps\tomcat-docs
2006-10-24 11:22:46 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /webdav from URL file:C:\tomcat
\webapps\webdav
2006-10-24 11:22:46 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8089
2006-10-24 11:22:47 org.apache.jk.common.ChannelSocket init
信息: Port busy 8009 java.net.BindException: Address already in use: JVM_Bind
2006-10-24 11:22:47 org.apache.jk.common.ChannelSocket init
信息: JK2: ajp13 listening on /0.0.0.0:8010
2006-10-24 11:22:47 org.apache.jk.server.JkMain start
信息: Jk running ID=1 time=125/187  config=C:\tomcat\conf\jk2.properties
2006-10-24 11:22:47 org.apache.catalina.startup.Catalina start
信息: Server startup in 27843 ms

Answer 1

过一段时间出现
2006-10-24 08:54:36 StandardContext[/webkey]Stream closed
2006-10-24 09:32:21 StandardContext[/webkey]Stream closed
2006-10-24 09:32:30 StandardContext[/webkey]Stream closed
2006-10-24 10:24:25 StandardContext[/webkey]Stream closed
2006-10-24 10:39:25 StandardContext[/webkey]Stream closed
2006-10-24 10:54:41 StandardContext[/webkey]null
2006-10-24 10:54:44 StandardContext[/balancer]org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
2006-10-24 10:54:45 StandardContext[/servlets-examples]ContextListener: contextInitialized()
2006-10-24 10:54:45 StandardContext[/servlets-examples]SessionListener: contextInitialized()
2006-10-24 10:54:47 StandardContext[/servlets-examples]ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@54f9f1')
2006-10-24 10:54:47 StandardContext[/servlets-examples]ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@e576d4')
2006-10-24 10:54:47 StandardContext[/servlets-examples]ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@dc86eb')
2006-10-24 10:54:47 StandardContext[/servlets-examples]SessionListener: contextDestroyed()
2006-10-24 10:54:47 StandardContext[/servlets-examples]ContextListener: contextDestroyed()
2006-10-24 11:03:52 StandardContext[/webkey]null
2006-10-24 11:04:03 StandardContext[/webkey]null
2006-10-24 11:04:14 StandardContext[/webkey]null
2006-10-24 11:04:38 StandardContext[/webkey]null
2006-10-24 11:06:24 StandardContext[/webkey]null
2006-10-24 11:06:44 StandardContext[/webkey]null
2006-10-24 11:08:28 StandardContext[/webkey]null
2006-10-24 11:09:02 StandardContext[/webkey]null
2006-10-24 11:09:19 StandardContext[/webkey]null
2006-10-24 11:09:20 StandardContext[/webkey]null
2006-10-24 11:09:21 StandardContext[/webkey]null
2006-10-24 11:09:22 StandardContext[/webkey]null
2006-10-24 11:09:28 StandardContext[/webkey]null
2006-10-24 11:11:43 StandardContext[/webkey]null
2006-10-24 11:13:55 StandardContext[/webkey]null
2006-10-24 11:15:40 StandardContext[/webkey]null
2006-10-24 11:15:44 StandardContext[/webkey]null
2006-10-24 11:15:49 StandardContext[/webkey]null
2006-10-24 11:17:20 StandardContext[/webkey]null
2006-10-24 11:17:52 StandardContext[/webkey]null
2006-10-24 11:22:42 StandardContext[/balancer]org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
2006-10-24 11:22:45 StandardContext[/servlets-examples]ContextListener: contextInitialized()
2006-10-24 11:22:45 StandardContext[/servlets-examples]SessionListener: contextInitialized()

Answer 2

严重: Exception creating UserDatabase MBeans for UserDatabase
创建bean的时候出错了，看你的bean源码怎么写的。

Answer 3

[系统异常]查询数据时:java.sql.SQLException: 必须登录到服务器
[系统异常]查询数据时:java.sql.SQLException: 必须登录到服务器
java.sql.SQLException: 用尽的 Resultset
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:125)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:162)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:227)
        at oracle.jdbc.driver.ScrollableResultSet.getOracleObject(ScrollableResu
ltSet.java:443)
        at oracle.jdbc.driver.ScrollableResultSet.getString(ScrollableResultSet.
java:459)
        at oracle.jdbc.driver.UpdatableResultSet.getString(UpdatableResultSet.ja
va:359)
        at oracle.jdbc.driver.OracleResultSet.getString(OracleResultSet.java:155
9)
        at org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResul
tSet.java:224)
        at org.apache.jsp.check_jsp._jspService(check_jsp.java:107)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at objclass.EncodingFilter.doFilter(EncodingFilter.java:27)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:214)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard
ContextValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:152)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:137)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:118)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16
0)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)--------------------------------------------------------------------

Answer 4

at oracle.jdbc.driver.OracleResultSet.getString(OracleResultSet.java:155
9)
        at org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResul
tSet.java:224)
        at org.apache.jsp.check_jsp._jspService(check_jsp.java:107)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at objclass.EncodingFilter.doFilter(EncodingFilter.java:27)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:214)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard
ContextValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:152)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:137)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:118)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16
0)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)

Answer 5

java.sql.SQLException: 用尽的 Resultset
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:125)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:162)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:227)
        at oracle.jdbc.driver.ScrollableResultSet.getOracleObject(ScrollableResu
ltSet.java:443)
        at oracle.jdbc.driver.ScrollableResultSet.getString(ScrollableResultSet.
java:459)
        at oracle.jdbc.driver.UpdatableResultSet.getString(UpdatableResultSet.ja
va:359)
        at oracle.jdbc.driver.OracleResultSet.getString(OracleResultSet.java:155
9)
        at org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResul
tSet.java:224)
        at org.apache.jsp.check_jsp._jspService(check_jsp.java:107)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at objclass.EncodingFilter.doFilter(EncodingFilter.java:27)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:214)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard
ContextValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:152)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:137)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:118)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16
0)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)
java.sql.SQLException: 用尽的 Resultset
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:125)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:162)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:227)
        at oracle.jdbc.driver.ScrollableResultSet.getOracleObject(ScrollableResu
ltSet.java:443)
        at oracle.jdbc.driver.ScrollableResultSet.getString(ScrollableResultSet.
java:459)
        at oracle.jdbc.driver.UpdatableResultSet.getString(UpdatableResultSet.ja
va:359)
        at oracle.jdbc.driver.OracleResultSet.getString(OracleResultSet.java:155
9)
        at org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResul
tSet.java:224)
        at org.apache.jsp.check_jsp._jspService(check_jsp.java:107)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at objclass.EncodingFilter.doFilter(EncodingFilter.java:27)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:214)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard
ContextValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:152)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:137)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:118)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16
0)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)

Answer 6

数据库业务逻辑处理的有问题
还有，combean传过来时空的

Answer 7

而且我的tomcat过一段时间，就会出现下面的错误
[2006-10-25 08:08:32,468][DEBUG,MosysServlet] com.ibatis.common.jdbc.exception.N
estedSQLException:
--- The error occurred in sql.xml.
--- The error occurred while executing mapped statement.
--- Check the statTask.
--- Check the statement or the result map.
--- Cause: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableCon
nectionFactory (ORA-00257: archiver error. Connect internal only, until freed.
)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableCon
nectionFactory (ORA-00257: archiver error. Connect internal only, until freed.
)
com.ibatis.common.jdbc.exception.NestedSQLException:
--- The error occurred in sql.xml.
--- The error occurred while executing mapped statement.
--- Check the statTask.
--- Check the statement or the result map.
--- Cause: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableCon
nectionFactory (ORA-00257: archiver error. Connect internal only, until freed.
)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableCon
nectionFactory (ORA-00257: archiver error. Connect internal only, until freed.
)
        at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeUp
date(GeneralStatement.java:87)
        at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.update(SqlMapExe
cutorDelegate.java:500)
        at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.update(SqlMapSessionI
mpl.java:89)
        at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.update(SqlMapClientImp
l.java:61)
        at mosys.dao.DAO.statTask(DAO.java:268)
        at mosys.servlet.DBServlet$DBCheck.run(DBServlet.java:46)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableCon
nectionFactory (ORA-00257: archiver error. Connect internal only, until freed.
)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSou
rce.java:855)
        at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource
.java:540)
        at com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction.init(JdbcTr
ansaction.java:48)
        at com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction.getConnecti
on(JdbcTransaction.java:89)
        at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeUp
date(GeneralStatement.java:74)
        ... 5 more
Caused by: java.sql.SQLException: ORA-00257: archiver error. Connect internal on
ly, until freed.        at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:180)
        at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208)
        at oracle.jdbc.ttc7.O3log.receive1st(O3log.java:430)
        at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:254)
        at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:307)        at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.ja
va:442)
        at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:321)
        at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(Driv
erConnectionFactory.java:37)
        at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(Poolable
ConnectionFactory.java:290)
        at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(Bas
icDataSource.java:877)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSou
rce.java:851)
        ... 9 moreCaused by:
org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFact
ory (ORA-00257: archiver error. Connect internal only, until freed.
)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSou
rce.java:855)
        at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource
.java:540)
        at com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction.init(JdbcTr
ansaction.java:48)
        at com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction.getConnecti
on(JdbcTransaction.java:89)
        at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeUp
date(GeneralStatement.java:74)
        at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.update(SqlMapExe
cutorDelegate.java:500)
        at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.update(SqlMapSessionI
mpl.java:89)
        at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.update(SqlMapClientImp
l.java:61)
        at mosys.dao.DAO.statTask(DAO.java:268)
        at mosys.servlet.DBServlet$DBCheck.run(DBServlet.java:46)
Caused by: java.sql.SQLException: ORA-00257: archiver error. Connect internal on
ly, until freed.        at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:180)
        at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208)
        at oracle.jdbc.ttc7.O3log.receive1st(O3log.java:430)
        at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:254)
        at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:307)        at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.ja
va:442)
        at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:321)
        at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(Driv
erConnectionFactory.java:37)
        at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(Poolable
ConnectionFactory.java:290)
        at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(Bas
icDataSource.java:877)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSou
rce.java:851)
        ... 9 more

Answer 8

tomcat5.0有好多问题，时间长了你就是高手了

Answer 9

我觉得是内存用光了.我这有个weblogic服务器,内存用光了,没释放,也出现白屏