Thanks for response, would you know if there is any recommended dbcp jar
that we need to use for Oracle 12 and Tomcat 6 ?
Thanks
Pradeep
On Tue, May 17, 2016 at 11:07 AM, Woonsan Ko <woon...@apache.org> wrote:
> Hi Pradeep,
>
> I saw you had Oracle specific settings such as
> connectionCachingEnabled. So, maybe you're using Oracle specific
> DataSourceFactory instead of the default dbcp one.
> As far as I know, the default factory
> (org.apache...BasicDataSourceFactory) can be overridden by either
> factory attribute in the <Resource/> element or
> javax.sql.DataSource.Factory system property.
> In that case, it might be an issue around the custom factory
> implementation, not tomcat.
>
> Regards,
>
> Woonsan
>
>
> On Mon, May 16, 2016 at 6:54 PM, pradeep reddy <pradeep....@gmail.com>
> wrote:
> > Hello Woonsan,
> > Via Jconsole I had validated all my changes that were made in
> > context.xml. But for some reason the logs doesn't show anything about
> > abandoned connections in catalina.out. I am not sure at this time if its
> a
> > bug in tomcat 6 or tomcat-dbcp.jar, but threaddumps clearly show that
> > threads are waiting on connections from connection pool.
> >
> > Thanks
> > Pradeep
> >
> > On Mon, May 16, 2016 at 4:38 PM, Woonsan Ko <woon...@apache.org> wrote:
> >
> >> Hi Pradeep,
> >>
> >> Just in case, you might want to make sure your changes were really
> >> applied. For example, an effective context.xml could be in
> >> conf/Catalina/localhost/...
> >> If it was applied properly, the stack trace should have shown
> >> o.a.c.dbcp.AbandonedObjectPool#borrowObject() as well.
> >>
> >> Regards,
> >>
> >> Woonsan
> >>
> >>
> >> On Mon, May 16, 2016 at 5:54 PM, pradeep reddy <pradeep....@gmail.com>
> >> wrote:
> >> > unfortunately it is not writing anything catalina.out :-(
> >> >
> >> > Thanks
> >> > Pradeep
> >> >
> >> > On Mon, May 16, 2016 at 3:47 PM, Christopher Schultz <
> >> > ch...@christopherschultz.net> wrote:
> >> >
> >> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> >> Hash: SHA256
> >> >>
> >> >> Pradeep,
> >> >>
> >> >> On 5/16/16 5:13 PM, pradeep reddy wrote:
> >> >> > Hello Christopher,
> >> >> >
> >> >> > Let me post my thread dump here.
> >> >> >
> >> >> > All HTTP threads are in WAITING state.
> >> >> >
> >> >> > "http-12453-346" daemon prio=10 tid=0x00007fbd3061f800 nid=0x59d0
> >> >> > in Object.wait() [0x00007fbbe124f000] java.lang.Thread.State:
> >> >> > WAITING (on object monitor) at java.lang.Object.wait(Native
> >> >> > Method) at java.lang.Object.wait(Object.java:485) at
> >> >> >
> org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.borrowObject(Generi
> >> >> cObjectPool.java:1104)
> >> >> >
> >> >> >
> >> >> - - locked <0x000000072b18f320> (a
> >> >> > org.apache.tomcat.dbcp.pool.impl.GenericObjectPool$Latch) at
> >> >> >
> org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDat
> >> >> aSource.java:106)
> >> >> >
> >> >> >
> >> >> at
> >> >>
> org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSourc
> >> >> e.java:1044)
> >> >> > at
> >> >> >
> org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.g
> >> >> etConnection(LocalDataSourceConnectionProvider.java:82)
> >> >>
> >> >> Yep,
> >> >> >
> >> >> that certainly looks like you are waiting for connections from
> >> >> Tomcat's DBCP-based pool.
> >> >>
> >> >> > <Resource name="jdbc/XXXXXDataSource" auth="Container"
> >> >> > type="javax.sql.DataSource"
> >> >> > driverClassName="oracle.jdbc.OracleDriver" url="XXXXXXXXXXX"
> >> >> > username="XXXXXX" password="XXXXXX" initialSize="1" maxActive="10"
> >> >> > minIdle="1" maxIdle="1" connectionCachingEnabled="true"
> >> >> > fastConnectionFailoverEnabled="true"
> >> >> > connectionCacheProperties="{MinLimit=1, MaxLimit=20,
> >> >> > InitialLimit=1, oracle.net.ns.SQLnetDef.TCP_CONNTIMEOUT_STR=3000}"
> >> >> > ONSConfiguration="nodes=XXXXX" validationQuery="SELECT 1 from
> >> >> > DUAL" removeAbandoned="true" removeAbandonedTimeout="30"
> >> >> > logAbandoned="true" maxWait="-1"/>
> >> >>
> >> >> That configuration looks okay to me.
> >> >>
> >> >> The "abandoned" logs are logged to stdout, so they should show up in
> >> >> your catalina.out file (or stdout.log if you are using a Windows
> Service
> >> >> ).
> >> >>
> >> >> Are you getting no messages about the abandoned connections?
> >> >>
> >> >> - -chris
> >> >> -----BEGIN PGP SIGNATURE-----
> >> >> Comment: GPGTools - http://gpgtools.org
> >> >> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
> >> >>
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> >> >> oVun2+a1tFD7lvJnVoiu
> >> >> =AHDK
> >> >> -----END PGP SIGNATURE-----
> >> >>
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