网站关闭-mod#ujk（apache+；tomcat）日志中出现错误

我的网站出现停机问题。我在Linux Redhat上安装了Apache2+mod_jk+tomcat 5.5。最近我开始每天关闭一次我的网站。只有在重新启动tomcat之后，网站才能恢复正常

tomcat上的应用程序错误日志（抱歉，日志中隐藏了隐私信息）：

2010-11-14 00:40:13,726 ERROR org.apache.catalina.core.StandardWrapperValve [invoke] - Servlet.service() for servlet action threw exception java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:574) at ******.exchange.adapter.dispatcher.impl.XMLCommandDispatcher.sendCommand(XMLCommandDispatcher.java:109) at ******.exchange.adapter.star******.api.impl.******ApiImpl.******PricingAvailability(******ApiImpl.java:356) at ******.exchange.adapter.star******.impl.Concrete******GatewayImpl.find******Promotion(Concrete******GatewayImpl.java:123) at ******.exchange.service.impl.Concrete******ManagerImpl.find******Promotion(Concrete******ManagerImpl.java:199) at sun.reflect.GeneratedMethodAccessor1142.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:282) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:155) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:122) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:56) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:144) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:174) at $Proxy16.find******Promotion(Unknown Source) at ******.ibe.servlet.crdms.search.******SearchPromotionServlet******.handleRequest(******SearchPromotionServlet******.java:75) at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:595) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:543) at org.springframework.web.servlet.FrameworkServlet.serviceWrapper(FrameworkServlet.java:390) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:341) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595) 2010-11-14 00:40:43,762 ERROR org.apache.catalina.core.ApplicationDispatcher [invoke] - Servlet.service() for servlet jsp threw exception 2010-11-14 00:40:43,805 ERROR org.apache.catalina.core.StandardWrapperValve [invoke] - Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:574) at java.util.Timer.(Timer.java:154) at java.util.Timer.(Timer.java:122) at com.mysql.jdbc.Connection.(Connection.java:1441) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266) at java.sql.DriverManager.getConnection(DriverManager.java:525) at java.sql.DriverManager.getConnection(DriverManager.java:171) at org.apache.jsp.frameset_005f******_005fbottom_005f1_jsp._jspService(frameset_005f******_005fbottom_005f1_jsp.java:88) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595) 2010-11-14 01:54:25,819 ERROR org.apache.catalina.core.ApplicationDispatcher [invoke] - Servlet.service() for servlet jsp threw exception [Sun Nov 14 00:59:52 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 00:59:52 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:01 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 01:00:01 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:01 2010] [error] ajp_service::jk_ajp_common.c (1758): Error connecting to tomcat. Tomcat is probably not started or is listening on the wrong port. worker=worker1 failed [Sun Nov 14 01:00:01 2010] worker1 mydomain.com 271.622400 [Sun Nov 14 01:00:01 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 01:00:01 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:06 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 01:00:06 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:06 2010] [error] ajp_service::jk_ajp_common.c (1758): Error connecting to tomcat. Tomcat is probably not started or is listening on the wrong port. worker=worker1 failed [Sun Nov 14 01:00:06 2010] worker1 mydomain.com 86.999946 [Sun Nov 14 01:00:06 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 01:00:06 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:10 2010] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive the response message from tomcat, network problems or tomcat is down (127.0.0.1:8009), err=-104 [Sun Nov 14 01:00:10 2010] [error] ajp_get_reply::jk_ajp_common.c (1503): Tomcat is down or refused connection. No response has been sent to the client (yet) [Sun Nov 14 01:00:10 2010] [error] ajp_service::jk_ajp_common.c (1758): Error connecting to tomcat. Tomcat is probably not started or is listening on the wrong port. worker=worker1 failed [Sun Nov 14 01:00:10 2010] worker1 mydomain.com 39.000187 Nov 14 00:59:40 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:00:47 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:01:49 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:02:54 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:04:03 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:05:06 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:06:13 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:07:14 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:08:15 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:09:19 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:10:23 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:11:29 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:12:29 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:13:29 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:14:56 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:16:04 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:17:19 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:18:22 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:19:26 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:20:26 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:21:36 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:22:37 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:23:48 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:24:50 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:25:54 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:26:57 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:29:08 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 01:30:10 nemo kernel: possible SYN flooding on port 8009. Sending cookies. Nov 14 03:00:01 nemo setroubleshoot: SELinux is preventing mysqld (mysqld_t) "getattr" to /var/lib/mysql/mysql.sock (var_lib_t). For complete SELinux messages. run sea$ Nov 14 03:00:01 nemo setroubleshoot: SELinux is preventing mysqld (mysqld_t) "getattr" to /var/lib/mysql/nemo.me-tech.com.my.err (var_lib_t). For complete SELinux mess$ Nov 14 03:00:01 nemo setroubleshoot: SELinux is preventing mysqld (mysqld_t) "read" to ./time_zone_name.frm (var_lib_t). For complete SELinux messages. run sealert -l $ # prefork MPM # StartServers: number of server processes to start # MinSpareServers: minimum number of server processes which are kept spare # MaxSpareServers: maximum number of server processes which are kept spare # MaxClients: maximum number of server processes allowed to start # MaxRequestsPerChild: maximum number of requests a server process serves ‹IfModule prefork.c› StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxClients 256 MaxRequestsPerChild 0 ‹/IfModule› # worker MPM # StartServers: initial number of server processes to start # MaxClients: maximum number of simultaneous client connections # MinSpareThreads: minimum number of worker threads which are kept spare # MaxSpareThreads: maximum number of worker threads which are kept spare # ThreadsPerChild: constant number of worker threads in each server process # MaxRequestsPerChild: maximum number of requests a server process serves ‹IfModule worker.c› StartServers 2 MaxClients 256 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 ‹/IfModule› worker.list=worker1 worker.worker1.type=ajp13 worker.worker1.host=127.0.0.1 worker.worker1.port=8009 worker.worker1.lbfactor=1 worker.worker1.socket_keepalive=1 worker.worker1.recycle_timeout=180 worker.worker1.sticky_session=False ‹Connector className="org.apache.coyote.tomcat5.CoyoteConnector" port="8009" protocol="AJP/1.3" enableLookups="true" redirectPort="8443" acceptCount="10" debug="0" connectionTimeout="5000" useURIValidationHack="false" maxPostSize="10000000" maxThreads="256" maxSpareThreads="10" URIEncoding="UTF-8" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/› 2010-11-14 00:40:13726 Servlet操作的错误org.apache.catalina.core.StandardWrapperValve[invoke]-Servlet.service（）引发异常 java.lang.OutOfMemoryError:无法创建新的本机线程 位于java.lang.Thread.start0（本机方法） 在java.lang.Thread.start（Thread.java:574）处 位于******.exchange.adapter.dispatcher.impl.XMLCommandDispatcher.sendCommand（XMLCommandDispatcher.java:109） 位于******.exchange.adapter.star******.api.impl.**********apimpl.*******PricingAvailability（*******apimpl.java:356） 在******.exchange.adapter.star*********.impl.Concrete*********GatewayImpl.find******促销（Concrete*********GatewayImpl.java:123） 在******.exchange.service.impl.Concrete******ManagerImpl.find*********Promotion（Concrete*********ManagerImpl.java:199） 位于sun.reflect.GeneratedMethodAccessor1142.invoke（未知源） 在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:25）中 位于java.lang.reflect.Method.invoke（Method.java:585） 位于org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection（AopUtils.java:282） 位于org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint（ReflectiveMethodInvocation.java:155） 位于org.springframework.aop.framework.ReflectiveMethodInvocation.procedue（ReflectiveMethodInvocation.java:122） 位于org.springframework.transaction.interceptor.TransactionInterceptor.invoke（TransactionInterceptor.java:56） 在org.springframework.aop.framework.ReflectiveMethodInvocation.procedue（ReflectiveMethodInvocation.java:144）上 位于org.springframework.aop.framework.JdkDynamicAopProxy.invoke（JdkDynamicAopProxy.java:174） $Proxy16.查找*******促销（未知来源） 位于******.ibe.servlet.crdms.search.****SearchPromotionServlet************.HandlerRequest（*******SearchPromotionServlet************.java:75） 位于org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle（SimpleControllerHandlerAdapter.java:44） 位于org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:595） 位于org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:543） 位于org.springframework.web.servlet.FrameworkServlet.serviceWrapper（FrameworkServlet.java:390） 位于org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:341） 位于javax.servlet.http.HttpServlet.service（HttpServlet.java:690） 位于javax.servlet.http.HttpServlet.service（HttpServlet.java:803） 位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:269） 位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:188） 位于org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:213） 位于org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:174） 位于org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:127） 位于org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:117） 位于org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:108） 位于org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:174） 位于org.apache.jk.server.JkCoyoteHandler.invoke（JkCoyoteHandler.java:200） 位于org.apache.jk.common.HandlerRequest.invoke（HandlerRequest.java:283） 位于org.apache.jk.common.ChannelSocket.invoke（ChannelSocket.java:773） 位于org.apache.jk.common.ChannelSocket.processConnection（ChannelSocket.java:703） 位于org.apache.jk.common.ChannelSocket$SocketConnection.runIt（ChannelSocket.java:895） 位于org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run（ThreadPool.java:689） 运行（Thread.java:595） 2010-11-14 00:40:43762 Servlet jsp的错误org.apache.catalina.core.ApplicationDispatcher[invoke]-Servlet.service（）引发异常 2010-11-14 00:40:43805 Servlet jsp的错误org.apache.catalina.core.StandardWrapperValve[invoke]-Servlet.service（）引发异常 java.lang.OutOfMemoryError:无法创建新的本机线程 位于java.lang.Thread.start0（本机方法） 在java.lang.Thread.start（Thread.java:574）处 在java.util.Timer.（Timer.java:154） 在java.util.Timer.（Timer.java:122） 位于com.mysql.jdbc.Connection（Connection.java:1441） 位于com.mysql.jdbc.NonRegisteringDriver.connect（NonRegisteringDriver.java:266） 位于java.sql.DriverManager.getConnection（DriverManager.java:525） 位于java.sql.DriverManager.getConnection（DriverManager.java:171） 在org.apache.jsp.frameset_005f*****u 005fbottom_005f1_jsp.\u jsp服务（frameset_005f*****u 005fbottom_005f1_jsp.java:88） 位于org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:98） 位于javax.servlet.http.HttpServlet.service（HttpServlet.java:803） 位于org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:331） 位于org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:329） 位于org.apache.jasper.servlet.JspServlet.service（JspServlet.java:265） 位于javax.servlet.http.HttpServlet.service（HttpServlet.java:803） 位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:269） 位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:188） 位于org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:213） 位于org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:174） 位于org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:127） 位于org.apache.catalina.valves.ErrorReportValve.in