Jdbc config from server<Resource name="jdbc/IEML_DB" auth="Container"
type="javax.sql.DataSou
rce"
maxActive="200" maxIdle="200" maxWait="50000"
username="educ_pres" password="*****"
driverClassName="oracle.jdbc.driver.OracleDriver"
url="jdbc:oracle:thin:@//192.168.1.8:1521/moon.ieml.ru"
Jdbc config from server 2
<Resource auth="Container" driverClassName="oracle.jdbc.driver.OracleD
river"
maxActive="1000" maxIdle="1000" maxWait="50000" name="jdb
c/IEML_DB" password="*****" type="javax.sql.DataSource" url="jdbc:oracl
e:thin:@//192.168.1.8:1521/moonutf8.ieml.ru" username="educ"
validationQuery="select 1 from dual" testWhileIdle="true"
testOnReturn="true" accessToUnderlyingConnectionAllowed="true"
removeAbandoned="true" removeAbandonedTimeout="3600"
logAbandoned="true" factory="org.apache.tomcat.jdbc.pool.DataSo
urceFactory"/>
________________________________
От: Усманов Азат Анварович <usma...@ieml.ru>
Отправлено: 16 февраля 2025 г. 0:36
Кому: users@tomcat.apache.org <users@tomcat.apache.org>
Тема: tomcat and linux oom-killer
Hi everyone! I'm not sure if this is an appropriate place to ask, but here is
my Problem
I have an old oracle 10g server with 2 schemas/sid, moon and moonutf8. tomcat
is also installed as a webserver on the same physical server .
1-st schema moon - has oldjava app and old tomcat 7.092 with practically 1-2
people using it.
2nd schema is a production schema of the much more modern version of the same
app . Modern version of the app is hosted on different ip address with
different tomcat 9.064
so the only java processes on that old server are related to old tomcat
on the server with old oracle( with ipaddress 192.168.1.8) I received the
following message in the logs
java invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
Feb 15 11:49:20 moon kernel: java cpuset=/ mems_allowed=0
Feb 15 11:49:20 moon kernel: Pid: 37306, comm: java Not tainted
3.8.13-68.2.2.el6uek.x86_64 #2
Feb 15 11:49:20 moon kernel: Call Trace:
Am I correct to assume that whatever caused the java to ask for more memory,
and oracle to be killed was related only to an old app?
In case this was confusing here is a short summary of all the software versions
server 1 (ip address 192.168.1.8)
java version 8.333
tomcat version 7.0.92
App name: Pres
oracle schema: moon
server 2 (ip address 192.168.1.9)
java version 8.202
tomcat version 9.0.64
app name Education
oracle schema used: moonutf8
there is no oracle installed on server 2 and both tomcats use jdbc to connect
, both server have RHEL 6 installed
