configuration tomcat1 and tomcat 2 load balanced with mod_jk with apache
in the tomcat server.xml file i have clustering enabled and i have the following for 10 different hosts. The web.xml file for each host has the <distributable/> <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster" name="etrakCluster1" debug="100" serviceclass="org.apache.catalina.cluster.mcast.McastService" mcastAddr="224.0.0.1" mcastPort="45564" mcastFrequency="500" mcastDropTime="3000" tcpThreadCount="2" tcpListenAddress="auto" tcpListenPort="10001" tcpSelectorTimeout="100" printToScreen="true" expireSessionsOnShutdown="false" useDirtyFlag="false" replicationMode="synchronous" /> <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve" filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/> <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="etrakCluster1_access_log." suffix=".txt" pattern="common" resolveHosts="false"/> i am reciving the fowling when i kill one of the 2 tomcat instances and also recive a html error message as follows Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, [EMAIL PROTECTED] and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. Apache/1.3.29 Server at www.etrak-plus.com Port 80 and i get this in the log. Dec 22, 2003 2:08:21 PM org.apache.catalina.cluster.session.SimpleTcpReplicationManager log SEVERE: Unable to receive message through TCP channel java.lang.IllegalStateException: getAttributeNames: Session already invalidated at org.apache.catalina.session.StandardSession.getAttributeNames(StandardSession.java:1005) at org.apache.catalina.cluster.session.ReplicatedSession.toString(ReplicatedSession.java:272) at java.lang.String.valueOf(String.java:2131) at java.lang.StringBuffer.append(StringBuffer.java:370) at org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageReceived(SimpleTcpReplicationManager.java:620) at org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageDataReceived(SimpleTcpReplicationManager.java:653) at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(SimpleTcpCluster.java:678) at org.apache.catalina.cluster.io.ObjectReader.append(ObjectReader.java:110) at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpReplicationThread.java:167) at org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationThread.java:113) at org.apache.catalina.cluster.session.ReplicatedSession.toString(ReplicatedSession.java:272) at java.lang.String.valueOf(String.java:2131) at java.lang.StringBuffer.append(StringBuffer.java:370) at org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageReceived(SimpleTcpReplicationManager.java:620) at org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageDataReceived(SimpleTcpReplicationManager.java:653) at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(SimpleTcpCluster.java:678) at org.apache.catalina.cluster.io.ObjectReader.append(ObjectReader.java:110) at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpReplicationThread.java:167) at org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationThread.java:113) Dec 22, 2003 2:08:21 PM org.apache.catalina.cluster.session.SimpleTcpReplicationManager log does any one have anyidea why this would be happing? is it a configuration that i missed? Thanks, Daniel Schulken --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.554 / Virus Database: 346 - Release Date: 12/20/2003
