Hi Margaret,
Thank you for your reply!!
We have already setup below parameters in jdbc-pool.html (see below) – could
you please advise if we need to modify/add anything else here:
<p>And here is an example on how to configure a resource for JNDI lookups</p>
<div class="codeBox"><pre><code><Resource name="jdbc/TestDB"
auth="Container"
type="javax.sql.DataSource"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
testWhileIdle="true"
testOnBorrow="true"
testOnReturn="false"
validationQuery="SELECT 1"
validationInterval="30000"
timeBetweenEvictionRunsMillis="30000"
maxActive="100"
minIdle="10"
maxWait="10000"
initialSize="10"
removeAbandonedTimeout="60"
removeAbandoned="true"
logAbandoned="true"
minEvictableIdleTimeMillis="30000"
jmxEnabled="true"
jdbcInterceptors="org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;
org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer"
username="root"
password="password"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/mysql"/></code></pre></div>
Thanks and Regards,
Arpan
Arpan Halder
Tata Consultancy Services providing services to:
Global Data and Analytics
Application Support / ITAS
Route 22 West▪NJ 08876 ▪ USA
Mobile: +1 (908) 392 2947
From: Bauer, Margaret M (Peggy) [mailto:margaret.m.ba...@verizon.com]
Sent: Thursday, February 15, 2018 8:15 AM
To: Tomcat Users List <users@tomcat.apache.org>
Cc: Halder, Arpan [ITSUS Non J&J] <ahald...@its.jnj.com>; DL-MD-R&D-SUPPORT
<DL-HCSUS-MD-R&d-supp...@its.jnj.com>
Subject: [EXTERNAL] Re: [E] Re: Cannot get a connection, pool error Timeout
waiting for ideal object
Verify your max connection is set high enough for the amount of traffic you see
in your access logs that would be making a call to the DB. Possible code is
not properly closing DB connections. Remove abandoned connections.
add to your data source config
<Resource
name="xxxxxxxxDS"
auth="Container"
url="jdbc:mysql://<FQDN>:3306/XXXXXX"
driverClassName="com.mysql.jdbc.Driver"
password="XXXXXXXXX"
username="user"
type="javax.sql.DataSource"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
testWhileIdle="true"
testOnBorrow="true"
testOnReturn="false"
validationQuery="SELECT 1"
validationInterval="30000"
timeBetweenEvictionRunsMillis="30000"
maxActive="10"
minIdle="10"
maxWait="10000"
initialSize="10"
removeAbandonedTimeout="60"
removeAbandoned="true"
logAbandoned="true"
minEvictableIdleTimeMillis="30000"
jmxEnabled="true"
/>
On Thu, Feb 15, 2018 at 6:03 AM, Mark Thomas
<ma...@apache.org<mailto:ma...@apache.org>> wrote:
On 15/02/18 00:35, Halder, Arpan [ITSUS Non J&J] wrote:
> Hi All,
>
> Need urgent help. We are using apache tomcat version -7.0.67 and
> sporadically facing issue that application become unresponsive and below
> error message encountered in Catalina.out log:
>
> ExceptionCannot get a connection, pool error Timeout waiting for idle object
> Exception in detailorg.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot get
> a connection, pool error Timeout waiting for idle object
> within doFilter of Session Filter
> url :::::/SPECTRA/login
> Chain.doFilter()..
> Inside Login Method.........
>
> We had to restart tomcat service every time and issue gets resolved for the
> time being and again reappears sporadically. Could you please advise if we
> need to change any tomcat setting to mitigate this issue from happening in
> future.
>
> Please let us know if you need anything else from my side in this regards.
> Thank you in advance.
It sounds like you have a connection leak in your application. Enable
abandoned connection logging to find out where the leaked connections
are being created.
Mark
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Peggy Bauer
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