Even when tomcat7 is stopped. The pid exists and monit is throwing the
error.


On Mon, Feb 24, 2014 at 12:04 PM, Martin Pala <[email protected]>wrote:

> I'm not sure if it's copy&paste typo, but the size test is not allowed in
> the "check process" context:
>
> --8<--
> check process tomcat7 with pidfile /var/run/tomcat7.pid
>
> if size = 0 then exec "/bin/rm /var/run/tomcat7.pid" <------------------------
> error
> start program = "/etc/init.d/tomcat7 start" with timeout 60 seconds
> ...
> --8<--
>
> The "check file" test is not necessary ... the pidfile based process check
> will automatically trigger restart if the pidfile is missing.
>
> Regards,
> Martin
>
>
>
>
> On 24 Feb 2014, at 20:55, Sanjay Veeramachaneni <[email protected]>
> wrote:
>
> That worked thank you. Now i am running into another error
>
>  For tomcat, and Mongo db. I try to check the pid file and start if pid
> file doesnt exist. The the config is shown below.
>
>
> ##
>
> # Check Tomcat7
> check process tomcat7 with pidfile /var/run/tomcat7.pid
>
> if size = 0 then exec "/bin/rm /var/run/tomcat7.pid"
> start program = "/etc/init.d/tomcat7 start" with timeout 60 seconds
>  stop program = "/etc/init.d/tomcat7 stop"
> if failed host 127.0.0.1 port 8080 protocol http then restart
>  if 5 restarts within 5 cycles then timeout
> group web
>  ###
>
> I get the error
> monit: Error reading pid from file '/var/run/tomcat7.pid' ...
>
> monit: Error reading pid from file '/var/lib/mongodb/mongod.lock'
>
> How would go about fixing this error . I tried adding the line
>
>  check file tomcat7.pid with path /var/run/tomca7.pid if size = 0 then
> exec "/bin/rm /var/run/tomcat7.pid"
>
> But it gives me syntax error that ###/etc/monit/monitrc:86: Error: syntax
> error 'size'
>
> How can i fix this...
>
>
>
>
>
>
>
>
> On Mon, Feb 24, 2014 at 5:25 AM, Martin Pala <[email protected]>wrote:
>
>> Hello,
>>
>> the problem is this line (4x in your configuration file):
>>
>> --8<--
>>  if 5 restarts within 5 cycles then timeout and alert
>> --8<--
>>
>> Only one action is possible (and alert is implicit part of timeout) => it
>> should be changed to this:
>>
>> --8<--
>>  if 5 restarts within 5 cycles then timeout
>> --8<--
>>
>> Regards,
>> Martin
>>
>>
>>
>> On 24 Feb 2014, at 04:27, Sanjay Veeramachaneni <[email protected]>
>> wrote:
>>
>> Hello, i am setting up monit for monitoring our servers. Please check my
>> configuration file for monitrc. For some reason it starts failing from
>> check filesystem rule which i have highlighted below. If i comment that
>> whole section of for the check file system.. the error starts moving on to
>> the next rules down................. not sure how to trouble shoot this
>> error. This has been really frustrating. Any help is appreciated
>> here...................
>>
>> ####
>>
>> set daemon 120            # check services at 2-minute intervals
>>   set logfile /var/log/monit.log
>>   set idfile /var/lib/monit/id
>>   set statefile /var/lib/monit/state
>>   set mailserver smtp.gmail.com port 587
>>    using tlsv1 with timeout 30 seconds
>>    username "[email protected]" password "******"
>>    set mail-format { from: [email protected] }
>>   set alert [email protected] # Email to send notifications
>>   set eventqueue
>>       basedir /var/lib/monit/events
>>       slots 100
>>
>> set mail-format {
>>     subject: monit alert --  $EVENT $SERVICE
>>     message: $EVENT Service $SERVICE
>>     Received:
>>                  Date:        $DATE
>>                  Action:      $ACTION
>>                  Host:        $HOST
>>                  Description: $DESCRIPTION
>> }
>>
>> set httpd port 8181 and # Port used for the WEB access, listen on
>> LOCALHOST
>>     use address localhost
>>     allow 0.0.0.0/0.0.0.0
>>     allow admin:monit # Username/password
>>
>>
>> ###############################################################################
>> ## Services
>>
>> ###############################################################################
>> check system localhost
>>     if loadavg (1min) > 4 then alert
>>     if loadavg (5min) > 2 then alert
>>     if memory usage > 75% then alert
>>     if swap usage > 25% then alert
>>     if cpu usage (user) > 70% then alert
>>     if cpu usage (system) > 30% then alert
>>     if cpu usage (wait) > 20% then alert
>>
>> # Check the binary Apache file (MD5 checksum + permission + UID + GUID)
>> check file apache_bin with path /usr/lib/apache2/mpm-prefork/apache2
>>         if failed permission 755 then unmonitor
>>     if failed uid root then unmonitor
>>     if failed gid root then unmonitor
>>     group web
>>
>> # Check apache service (service alive + resource consumption)
>> check process apache with pidfile /var/run/apache2.pid
>>     start program = "/etc/init.d/apache2 start" with timeout 20 seconds
>>     stop program  = "/etc/init.d/apache2 stop"
>>     if children > 150 then alert
>>     if children > 250 then restart
>>     if loadavg(5min) greater than 15 for 8 cycles then stop
>>     if totalcpu > 50% for 2 cycles then alert
>>     if totalcpu > 80% for 5 cycles then restart
>>     if failed host 127.0.0.1 port 80 protocol http
>> then restart
>>     if 5 restarts within 5 cycles then timeout and alert
>>     group web
>>
>> # Check ROOT filesystem space usage-------------------------------->
>> Sytax error start from the check filesystem rule below.
>> check filesystem rootfs with path /
>>     if space usage > 80% for 5 times within 15 cycles then alert
>>     group server
>>
>> # Check DATA filesystem space usage
>> check filesystem datafs with path /dev/xvda1
>>     if space usage > 80% for 5 times within 15 cycles then alert
>>     group server
>>
>>
>> # Check mysqld service (depends mysqld binary + init.d startup script)
>> check process mysqld with pidfile /var/run/mysqld/mysqld.pid
>>    group database
>>    start program = "/etc/init.d/mysql start" with timeout 20 seconds
>>    stop program = "/etc/init.d/mysql stop"
>>    if failed host 127.0.0.1 port 3306 protocol mysql then restart
>>    if 5 restarts within 5 cycles then timeout and alert
>>
>>
>> # Check Tomcat7
>> check process tomcat7 with pidfile /var/run/tomcat7.pid
>>  start program = "/etc/init.d/tomcat7 start" with timeout 60 seconds
>> stop program = "/etc/init.d/tomcat7 stop"
>>  if failed host 127.0.0.1 port 8080 protocol http then restart
>> if 5 restarts within 5 cycles then timeout and alert
>>  group web
>>
>> # Check mongodb process
>> check process mongodb with pidfile /var/lib/mongodb/mongod.lock
>>    group database
>>    start program = "/etc/init.d/mongodb start" with timeout 20 seconds
>>    stop  program = "/etc/init.d/mongodb stop"
>>    if failed host 127.0.0.1 port 27017 protocol http for 3 times within 5
>> cycles then restart
>>    if 5 restarts within 5 cycles then timeout and alert
>>
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>>
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