Re: Enterprise Java

[Mike <koldark@xxxxxxxxx>]

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
>
> -----Original Message-----
> From: java400-l-bounces@xxxxxxxxxxxx [mailto:
> java400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of Mike
> Sent: Friday, May 04, 2007 8:24 AM
> To: Java Programming on and around the iSeries / AS400
> Subject: Re: Enterprise Java
>
> Honestly, I am the middle man here.
>
> Web service: We want a middle tier to use SOAP (or whatever it's called)
> to
> and from our web server. The java web service would communicate with the
> System i, MS SQL and other required databases. This way we only have one
> hole through the DMZ to a specific server (if we can even do that).
>
> We are in the planning stages on this and are first determining if we
> should
> do RPG, Java, or .NET. The web developer said he would like to use
> Enterpise
> java beans and didn't think the JVM on i5/OS supported it without the
> full-blown WebSphere App. Server. I thought it would and we could just
> install JBoss to make use of them.
>
> On 5/3/07, Joe Sam Shirah <joe_sam@xxxxxxxxxxxxx> wrote:
> >
> >
> >     Hi Mike,
> >
> >     I think there are opportunities for miscommunication here.  "Web
> > service" means something specific to most Java developers and that's
> > something substantially different from just accessing multiple
> databases.
> >
> >     Secondly, your answer really doesn't tell us anything about the
> > "enterprise" needs of your application(s.)  So we can't really say if
> > just a web container like Tomcat or Jetty is sufficient or if you need
> > something that supplies more services.  There are a lot of options
> > around.
> >
> >     "persistent data connections" doesn't sound like a very good idea
> > at first, but that's essentially what connection pools provide, and
> > you should probably look to using those regardless of whether you use
> > a web or J(2)EE container.  There are also a number of other factors
> > that contribute to database related performance beyond just connection
> > persistence.
> >
> >
> >                                                          Joe Sam
> >
> > Joe Sam Shirah -        http://www.conceptgo.com
> > conceptGO       -        Consulting/Development/Outsourcing
> > Java Filter Forum:       http://www.ibm.com/developerworks/java/
> > Just the JDBC FAQs: http://www.jguru.com/faq/JDBC
> > Going International?    http://www.jguru.com/faq/I18N
> > Que Java400?            http://www.jguru.com/faq/Java400
> >
> >
> > ----- Original Message -----
> > From: "Mike" <koldark@xxxxxxxxx>
> > To: "Java Programming on and around the iSeries / AS400"
> > <java400-l@xxxxxxxxxxxx>
> > Sent: Thursday, May 03, 2007 3:01 PM
> > Subject: Re: Enterprise Java
> >
> >
> > > The lead web developer wants to use persistent data connections to
> > > databases. This web service would grab data from MS SQL, the System
> > > i,
> > and
> > > untold # of other databases for use on the main City website. So
> > > speed
> > is
> > > the key here.
> > >
> > > On 5/3/07, Pete Helgren <Pete@xxxxxxxxxx> wrote:
> > > >
> > > > Mike,
> > > >
> > > > It depends what you mean by "Enterprise Java web service".  WAS
> > Express
> > > > (included with i5/OS) and WAS CE (Community Edition), a free
> > > > implementation of the Geronimo project, would be IBM supported
> > > > alternatives as well.  JBOSS would work as well. Tomcat could also
> > fill
> > > > the bill.  A bit more about about your application might be helpful.
> > > >
> > > > Pete Helgren
> > > >
> > > > Mike wrote:
> > > >
> > > > >We are looking at the possibility of a Enterprise Java web
> > > > >service
> > for
> > > > >communication between the public web server and all internal
> > databases.
> > > > We
> > > > >would like to avoid purchasing the full WebSphere Application
> > > > >Server
> > as
> > > > was
> > > > >wondering if using JBoss would work?
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> > > --
> > > Mike Wills
> > > http://www.linkedin.com/in/mikewills
> > > Blog - http://mikewills.name
> > > Podcasts - http://podcastmike.com
> > > --
> >
> > --
> > This is the Java Programming on and around the iSeries / AS400
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> >
> >
>
>
> --
> Mike Wills
> http://www.linkedin.com/in/mikewills
> Blog - http://mikewills.name
> Podcasts - http://podcastmike.com
> --
> This is the Java Programming on and around the iSeries / AS400 (JAVA400-L)
> mailing list To post a message email: JAVA400-L@xxxxxxxxxxxx To subscribe,
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> --
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