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Bill,
Bill Davidson wrote:
Mark Thomas wrote:
1. JMS?
I thought Tomcat didn't support JMS. Am I wrong about this?
Tomcat doesn't /provide/ JMS. You can add any JSM-compatible library to
Tomcat (really, your own application) that you want.
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: ch...@christopherschultz.net
To: users@tomcat.apache.org
Subject: Re: Oracle database calling the web app?
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Bill,
Bill Davidson wrote:
Mark Thomas wrote:
1. JMS?
I thought Tomcat didn't support JMS. Am I wrong about this?
Tomcat
Bill Davidson wrote:
Is it possible to set up a callback like situation so that a trigger in an
Oracle 10g database can call a method in a currently running webapp
that's running in Tomcat 6?
Yes, there's UTL_HTTP PL/SQL package available in Oracle, which provides
HTTP client functionality. AQ
Juha Laiho wrote:
However, have you actually measured how much load it would put to various
pieces of your system to not cache this data, but just fetch it from the
DB more or less each time it is needed?
We currently have the ability to turn the caching on or off. We
generally only
turn
Ken Bowen wrote:
Whoops, hold that. This is ok for outbound. For inbound, it seems
Jboss is needed: http://activemq.apache.org/jboss-integration.html
I'm not sure I understand how that says JBoss is needed to do inbound
communications.
There is a page on configuring Tomcat:
Support for what you want to do is actually a feature in Oracle 11g. For
Oracle 10g, you want to look at the publish/subscribe support which is part
of advanced queueing. The documentation is available online at
http://otn.oracle.com.
Ed
On Tue, Jan 6, 2009 at 5:22 PM, Bill Davidson
Bill Davidson wrote:
Is it possible to set up a callback like situation so that a trigger in an
Oracle 10g database can call a method in a currently running webapp
that's running in Tomcat 6?
My situation is that I want to cache some infrequently changed database
data in memory but when
you can also have your trigger call a java package where you can simply call
a web service (SOAP or RESTful).
Regards, Youssef
On Wed, Jan 7, 2009 at 12:26 AM, Edward Dowgiallo eddowgia...@gmail.comwrote:
Support for what you want to do is actually a feature in Oracle 11g. For
Oracle 10g,
It is not necessary to poll an Oracle database. Advanced queueing in
combination with triggers provide an event driven framework.
Ed
On Tue, Jan 6, 2009 at 5:28 PM, Mark Thomas ma...@apache.org wrote:
Bill Davidson wrote:
Is it possible to set up a callback like situation so that a trigger
This is also highly inefficient. You are taking on all the additional
overhead of a web service call for no reason.
Ed
On Tue, Jan 6, 2009 at 5:31 PM, Youssef Mohammed youssef.moham...@gmail.com
wrote:
you can also have your trigger call a java package where you can simply
call
a web
an asynchronous solution is definitely a better solution but either ways,
you have to call some web services at the end to notify the web app , no ?
Regards, Youssef
On Wed, Jan 7, 2009 at 12:35 AM, Edward Dowgiallo eddowgia...@gmail.comwrote:
This is also highly inefficient. You are
Mark Thomas wrote:
1. JMS?
I thought Tomcat didn't support JMS. Am I wrong about this?
2. Call an reload servlet from the database?
Sounds slightly painful but at least it's event driven.
3. Drop the immediate update requirement and poll a data changed flag
in the db
every x seconds?
Edward Dowgiallo wrote:
Support for what you want to do is actually a feature in Oracle 11g. For
Oracle 10g, you want to look at the publish/subscribe support which is part
of advanced queueing. The documentation is available online at
http://otn.oracle.com.
Is this the book I should be
Bill Davidson wrote:
Oracle Streams Advanced Queuing User's Guide and Reference
Looking through that, it looks like it uses JMS to send a message back to
Java. Being on Tomcat, that's a problem. Some searching shows I may
be able to use OpenJMS or ActiveMQ to get JMS in Tomcat.
It's possible to integrate Tomcat and ActiveMQ (a JMS superset):
http://activemq.apache.org/tomcat.html
On Jan 6, 2009, at 6:08 PM, Bill Davidson wrote:
Bill Davidson wrote:
Oracle Streams Advanced Queuing User's Guide and Reference
Looking through that, it looks like it uses JMS to
Whoops, hold that. This is ok for outbound. For inbound, it seems
Jboss is needed: http://activemq.apache.org/jboss-integration.html
On Jan 6, 2009, at 6:51 PM, Ken Bowen wrote:
It's possible to integrate Tomcat and ActiveMQ (a JMS superset):
http://activemq.apache.org/tomcat.html
On
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