Clustering tomcat

Sadvary, Bill sadvary at dickinson.edu
Tue Apr 10 14:48:06 UTC 2012


Hi,

I'm having some difficulty getting a tomcat cluster service up and running with Centos v6.2 and Tomcat6.

The service won't start tomcat and it keeps ping-ponging back and forth between the servers every 30 seconds.  

Below is the cluster.conf file, "messages" file and the rgmanager.log

Any help would be appreciated.

Thanks,
-Bill


Here's my cluster.conf
---------------------------

<?xml version="1.0"?>
<cluster config_version="11" name="AUTHCLUSTERDEV">
        <cman expected_votes="1" two_node="1"/>
        <clusternodes>
                <clusternode name="AUTHCLUSTER1DEV" nodeid="1">
                        <fence>
                                <method name="single"/>
                        </fence>
                </clusternode>
                <clusternode name="AUTHCLUSTER2DEV" nodeid="2">
                        <fence>
                                <method name="single"/>
                        </fence>
                </clusternode>
        </clusternodes>
        <rm>
                <failoverdomains>
                        <failoverdomain name="failoverDom" nofailback="1" ordered="0" restricted="0">
                                <failoverdomainnode name="AUTHCLUSTER1DEV" priority="1"/>
                                <failoverdomainnode name="AUTHCLUSTER2DEV" priority="1"/>
                        </failoverdomain>
                </failoverdomains>
                <resources>
                        <ip address="172.16.223.69" monitor_link="1"/>
                        <tomcat-6 config_file="/etc/tomcat6/tomcat6.conf" name="tomcat6" shutdown_wait="30"/>
                </resources>
                <service domain="failoverDom" name="ipservice" recovery="relocate">
                        <ip ref="172.16.223.69">
                                <tomcat-6 ref="tomcat6"/>
                        </ip>
                </service>
        </rm>
        <logging debug="on"/>
</cluster>

Here's the "messages" file after one full cycle of ping-pongs
------------------------------------------------------------------------
Apr 10 10:09:44 DKNAUTH1DEV rgmanager[2191]: Service service:ipservice is now running on member 2
Apr 10 10:10:55 DKNAUTH1DEV rgmanager[2191]: Recovering failed service service:ipservice
Apr 10 10:10:56 DKNAUTH1DEV rgmanager[8695]: [ip] Adding IPv4 address 172.16.223.69/28 to eth2
Apr 10 10:11:00 DKNAUTH1DEV rgmanager[8837]: [tomcat-6] Starting Service tomcat-6:tomcat6
Apr 10 10:11:00 DKNAUTH1DEV ntpd[1938]: Listening on interface #81 eth2, 172.16.223.69#123 Enabled
Apr 10 10:11:01 DKNAUTH1DEV rgmanager[2191]: Service service:ipservice started
Apr 10 10:12:09 DKNAUTH1DEV rgmanager[9694]: [tomcat-6] Checking Existence Of File /var/run/cluster/tomcat-6/tomcat-6:tomcat6.pid [tomcat-6:tomcat6] > Failed
Apr 10 10:12:09 DKNAUTH1DEV rgmanager[9714]: [tomcat-6] Monitoring Service tomcat-6:tomcat6 > Service Is Not Running
Apr 10 10:12:09 DKNAUTH1DEV rgmanager[2191]: status on tomcat-6 "tomcat6" returned 1 (generic error)
Apr 10 10:12:09 DKNAUTH1DEV rgmanager[2191]: Stopping service service:ipservice
Apr 10 10:12:09 DKNAUTH1DEV rgmanager[9805]: [tomcat-6] Stopping Service tomcat-6:tomcat6
Apr 10 10:12:10 DKNAUTH1DEV rgmanager[9825]: [tomcat-6] Checking Existence Of File /var/run/cluster/tomcat-6/tomcat-6:tomcat6.pid [tomcat-6:tomcat6] > Failed - File Doesn'
Apr 10 10:12:10 DKNAUTH1DEV rgmanager[9845]: [tomcat-6] Stopping Service tomcat-6:tomcat6 > Succeed
Apr 10 10:12:10 DKNAUTH1DEV rgmanager[9896]: [ip] Removing IPv4 address 172.16.223.69/28 from eth2
Apr 10 10:12:11 DKNAUTH1DEV ntpd[1938]: Deleting interface #81 eth2, 172.16.223.69#123, interface stats: received=0, sent=0, dropped=0, active_time=71 secs
Apr 10 10:12:20 DKNAUTH1DEV rgmanager[2191]: Service service:ipservice is recovering
Apr 10 10:12:24 DKNAUTH1DEV rgmanager[2191]: Service service:ipservice is now running on member 2

The rgmanager.log for the same time duration
--------------------------------------------------------
Apr 10 10:09:44 rgmanager Service service:ipservice is now running on member 2
Apr 10 10:09:49 rgmanager 2 events processed
Apr 10 10:10:55 rgmanager Recovering failed service service:ipservice
Apr 10 10:10:56 rgmanager [ip] Link for eth2: Detected
Apr 10 10:10:56 rgmanager [ip] Adding IPv4 address 172.16.223.69/28 to eth2
Apr 10 10:10:56 rgmanager [ip] Pinging addr 172.16.223.69 from dev eth2
Apr 10 10:10:59 rgmanager [ip] Sending gratuitous ARP: 172.16.223.69 00:15:5d:98:91:05 brd ff:ff:ff:ff:ff:ff
Apr 10 10:11:00 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6
Apr 10 10:11:00 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6 > Succeed
Apr 10 10:11:00 rgmanager [tomcat-6] Starting Service tomcat-6:tomcat6
Apr 10 10:11:00 rgmanager 1 events processed
Apr 10 10:11:00 rgmanager [tomcat-6] Looking For IP Addresses
Apr 10 10:11:01 rgmanager [tomcat-6] 1 IP addresses found for ipservice/tomcat6
Apr 10 10:11:01 rgmanager [tomcat-6] Looking For IP Addresses > Succeed -  IP Addresses Found
Apr 10 10:11:01 rgmanager [tomcat-6] Checking: SHA1 checksum of config file /tomcat-6/tomcat-6:tomcat6/conf/server.xml
Apr 10 10:11:01 rgmanager [tomcat-6] Checking: SHA1 checksum > succeed
Apr 10 10:11:01 rgmanager [tomcat-6] Generating New Config File /tomcat-6/tomcat-6:tomcat6/conf/server.xml From /usr/share/tomcat6/conf/server.xml
Apr 10 10:11:01 rgmanager [tomcat-6] Generating New Config File /tomcat-6/tomcat-6:tomcat6/conf/server.xml From /usr/share/tomcat6/conf/server.xml > SucApr 10 10:11:01 rgmanager [tomcat-6] Starting Service tomcat-6:tomcat6 > Succeed
Apr 10 10:11:01 rgmanager Service service:ipservice started
Apr 10 10:11:07 rgmanager 1 events processed
Apr 10 10:11:29 rgmanager [ip] Checking 172.16.223.69, Level 0
Apr 10 10:11:29 rgmanager [ip] 172.16.223.69 present on eth2
Apr 10 10:11:29 rgmanager [ip] Link for eth2: Detected
Apr 10 10:11:29 rgmanager [ip] Link detected on eth2
Apr 10 10:11:49 rgmanager [ip] Checking 172.16.223.69, Level 0
Apr 10 10:11:49 rgmanager [ip] 172.16.223.69 present on eth2
Apr 10 10:11:49 rgmanager [ip] Link for eth2: Detected
Apr 10 10:11:49 rgmanager [ip] Link detected on eth2
Apr 10 10:12:09 rgmanager [ip] Checking 172.16.223.69, Level 10
Apr 10 10:12:09 rgmanager [ip] 172.16.223.69 present on eth2
Apr 10 10:12:09 rgmanager [ip] Link for eth2: Detected
Apr 10 10:12:09 rgmanager [ip] Link detected on eth2
Apr 10 10:12:09 rgmanager [ip] Local ping to 172.16.223.69 succeeded
Apr 10 10:12:09 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6
Apr 10 10:12:09 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6 > Succeed
Apr 10 10:12:09 rgmanager [tomcat-6] Monitoring Service tomcat-6:tomcat6
Apr 10 10:12:09 rgmanager [tomcat-6] Checking Existence Of File /var/run/cluster/tomcat-6/tomcat-6:tomcat6.pid [tomcat-6:tomcat6] > Failed
Apr 10 10:12:09 rgmanager [tomcat-6] Monitoring Service tomcat-6:tomcat6 > Service Is Not Running
Apr 10 10:12:09 rgmanager status on tomcat-6 "tomcat6" returned 1 (generic error)
Apr 10 10:12:09 rgmanager Stopping service service:ipservice
Apr 10 10:12:09 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6
Apr 10 10:12:09 rgmanager [tomcat-6] Verifying Configuration Of tomcat-6:tomcat6 > Succeed
Apr 10 10:12:09 rgmanager [tomcat-6] Stopping Service tomcat-6:tomcat6
Apr 10 10:12:10 rgmanager [tomcat-6] Checking Existence Of File /var/run/cluster/tomcat-6/tomcat-6:tomcat6.pid [tomcat-6:tomcat6] > Failed - File Doesn'Apr 10 10:12:10 rgmanager [tomcat-6] Stopping Service tomcat-6:tomcat6 > Succeed
Apr 10 10:12:10 rgmanager [ip] Removing IPv4 address 172.16.223.69/28 from eth2
Apr 10 10:12:20 rgmanager Service service:ipservice is recovering
Apr 10 10:12:20 rgmanager Sent remote-start request to 2
Apr 10 10:12:24 rgmanager Service service:ipservice is now running on member 2
Apr 10 10:12:29 rgmanager 2 events processed
Apr 10 10:12:39 rgmanager Forwarding req. to AUTHCLUSTER2DEV.
Apr 10 10:12:40 rgmanager FW: Forwarding disable request to 2
Apr 10 10:12:55 rgmanager 1 events processed





More information about the redhat-list mailing list