Hello team, Tomcat Server going down frequently with the following messages in the logs.
kindly help. body { margin: 0pt; padding: 0pt; }td, div { font-family: Tahoma; font-size: 8pt; vertical-align: top; }body { margin: 0pt; padding: 0pt; }.transcript { background-color: rgb(210, 210, 210); }.messageBlock { margin-left: 4px; margin-bottom: 3px; }.message { margin-left: 100px; word-wrap: break-word; }.messageCont { margin-left: 100px; word-wrap: break-word; }.other { color: rgb(57, 87, 122); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.myself { color: rgb(218, 129, 3); font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont { font-size: 8px; text-align: right; color: rgb(57, 87, 122); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.myselfCont { font-size: 8px; text-align: right; color: rgb(218, 129, 3); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.system { margin-left: 4px; word-wrap: break-word; color: rgb(218, 129, 3); font-style: normal; font-weight: normal; }.showTimestamp { margin-right: 3px; float: right; color: rgb(153, 153, 153); font-style: normal; font-weight: normal; }.other1 { color: rgb(172, 32, 0); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont1 { font-size: 8px; text-align: right; color: rgb(172, 32, 0); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other2 { color: rgb(60, 159, 168); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont2 { font-size: 8px; text-align: right; color: rgb(60, 159, 168); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other3 { color: rgb(226, 86, 20); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont3 { font-size: 8px; text-align: right; color: rgb(226, 86, 20); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other4 { color: rgb(11, 106, 200); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont4 { font-size: 8px; text-align: right; color: rgb(11, 106, 200); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other5 { color: rgb(178, 50, 144); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont5 { font-size: 8px; text-align: right; color: rgb(178, 50, 144); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other6 { color: rgb(2, 231, 199); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont6 { font-size: 8px; text-align: right; color: rgb(2, 231, 199); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.other7 { color: rgb(91, 50, 132); vertical-align: top; font-weight: bold; font-style: normal; float: left; width: 95px; }.otherCont7 { font-size: 8px; text-align: right; color: rgb(91, 50, 132); font-family: Arial,Lucida Grande; font-style: normal; vertical-align: top; font-weight: bold; float: left; width: 95px; }.tsDisplay { display: block; } Nov 12, 2010 1:29:23 PM org.apache.catalina.core.ContainerBase backgroundProcess WARNING: Exception processing manager org.apache.catalina.session.standardmana...@a20981 background process java.lang.IllegalStateException: getAttributeNames: Session already invalidated at org.apache.catalina.session.StandardSession.getAttributeNames(StandardSession.java:1052) at org.apache.catalina.session.StandardSessionFacade.getAttributeNames(StandardSessionFacade.java:120) at com.ericsson.mars.jspbean.LoginBean.logout(LoginBean.java:2366) at com.ericsson.mars.jspbean.LoginBean.valueUnbound(LoginBean.java:2450) at org.apache.catalina.session.StandardSession.removeAttributeInternal(StandardSession.java:1654) at org.apache.catalina.session.StandardSession.expire(StandardSession.java:756) at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:592) at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:680) at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:665) at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1316) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590) at java.lang.Thread.run(Thread.java:619) Nov 12, 2010 1:33:09 PM org.apache.coyote.http11.Http11AprProtocol pause INFO: Pausing Coyote HTTP/1.1 on http-9083 Nov 12, 2010 1:33:09 PM org.apache.coyote.ajp.AjpAprProtocol pause INFO: Pausing Coyote AJP/1.3 on ajp-9011 Nov 12, 2010 1:33:10 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Nov 12, 2010 1:33:11 PM org.apache.coyote.http11.Http11AprProtocol destroy INFO: Stopping Coyote HTTP/1.1 on http-9083 Nov 12, 2010 1:33:11 PM org.apache.coyote.ajp.AjpAprProtocol destroy INFO: Stopping Coyote AJP/1.3 on ajp-9011