RE: Enterprise Java

["albartell" <albartell@xxxxxxxxx>]

Unless you are expecting hundreds a second and have the hardware to
facilitate it, then a simple Tomcat/Axis/Servlet combo will suit you just
fine.

Aaron Bartell
http://mowyourlawn.com
 

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Mike
Sent: Friday, May 04, 2007 9:11 AM
To: Java Programming on and around the iSeries / AS400
Subject: Re: Enterprise Java

On average? To start with, maybe several hits/day. As we roll out GIS
(Global Information System??) there will definitely be more. GIS involves
X/Y coordinates and overlays on maps for gathering information.

On 5/4/07, albartell <albartell@xxxxxxxxx> wrote:
> EJB's are really meant for when you want to spread processing and HA 
> across multiple app servers/LPARs (as I understand them).  If you 
> aren't doing that or don't have multiple servers then not much is 
> being gained outside of a good amount of EJB complexity.  How many 
> transactions are you expecting per minute?
>
> It sounds like a Java servlet with Axis running on Tomcat with 
> connections pooled is all that is warranted here.  See how I configure 
> connection pooling with my Tomcat server below.
>
> C:/Program Files/Apache Software Foundation/Tomcat 
> 5.5/webapps/MyServletContext/META-INF/context.xml
> <Context path="/MyServletContext" docBase="/MyServletContext"
> debug="0" reloadable="false">
>         <Resource
>                 name="jdbc/myresourcename"
>                 auth="Container"
>                 type="javax.sql.DataSource"
>                 factory="
> org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
>
>                 maxActive="100"
>                 maxIdle="30"
>                 minIdle="10"
>                 maxWait="15000"
>                 username="myuser"
>                 password="mypassword"
>                 driverClassName="com.mysql.jdbc.Driver"
>                 url="jdbc:mysql://localhost:3306/mydbschema"
>                 removeAbandoned="true"
>                 removeAbandonedTimeout="300"
>                 validationQuery="select 1"
>                 logAbandoned="true"
>                 testOnBorrow="true"
>                 testOnReturn="true"
>                 testWhileIdle="true"
>                  />
> </Context>
>
> HTH,
> Aaron Bartell
> http://mowyourlawn.com