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Re: [jetty-users] Share my experience and Thank you !
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Hi,
On Fri, May 13, 2016 at 8:45 AM, JingYuan Chen <phil.cyc@xxxxxxxxx> wrote:
> Hello,
>
> I want to share my experience about one of my projects and say thank you to
> the community.
>
> Scenario :
> My company's ERP system is SAP and rent a procurement system for bid. It's
> architecture bases on Webshpere5 and Oracle and IBM Java 1.4. The provider
> informed us that they decide to close this bid platform on 2016/03/31 about
> 3 month ago.
>
> The good news is that they can give us the complete source code. But we
> don't have Webshpere and another Oracle License for this system.
> Fortunately, I found that there is a PostgreSQL wiki site providing useful
> information about tools and migration tips. After doing some analysis, I
> decide to use Jetty 9 and PostgreSQL 9.1 and Oracle Java 1.7 to replace
> them. Transferring data is another problem. I decide to use Pentaho Data
> Integration tool. It is an ETL tool. I can learn about the status of
> transferring until the job was done. It helps me to keep the consistency of
> data in Oracle and PostgreSQL.
>
> After modifying many SQL commands to be suitable for PostgreSQL and setting
> web.xml for Jetty, our procurement system can be active successfully without
> Webshpere and Oracle. However, its performance is poorly. I found that there
> are two problems to result in this situation. One is that JVM will crash
> accidentally. The other is that sometimes JDBC could not connect to
> PostgreSQL.
>
> Fortunately, Jetty is flexible and Java's garbage collection log provides
> useful information. I can tune JVM with different parameters while
> initiating Jetty. The last problem is JDBC. It use DBCP 1.3 as default to
> connect database. According to our new architecture, I replace DBCP with
> PGConnectionPoolDataSource.
>
> Now our system is running smoothly with this kind of architecture. I also
> use some PERL scripts to transfer data and JCO RFC to perform SAP's
> transaction.
>
> Thank You All !
Thank you for sharing your experience !
What made you choose Jetty ?
--
Simone Bordet
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