You can start off with VisualVM (https://visualvm.java.net/), came bundled
within >= JDK 1.6 and is free. The tools should be sufficient for your
needs. :D
System.out.println("Regards,");
System.out.println("Tai Li");
On Fri, May 13, 2016 at 3:43 PM, JingYuan Chen <[email protected]> wrote:
> It is simple and flexible to configure.
>
> I use it to create two instances with different initial parameters. One is
> Production and the other is Sandbox. Sandbox is not only for test purpose
> but also dealing with background jobs. Both of them connect to the same
> database. Jetty helps me to achieve that easily. I just created 2
> sub-directories for different instance. It is very convenient.
>
> However, there is one thing that I haven't achieved. My JMX is enabled but
> I can not connect it with Jconsole.
>
> On Fri, May 13, 2016 at 3:15 PM, Simone Bordet <[email protected]>
> wrote:
>
>> Hi,
>>
>> On Fri, May 13, 2016 at 8:45 AM, JingYuan Chen <[email protected]>
>> 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
>> ----
>> http://cometd.org
>> http://webtide.com
>> Developer advice, training, services and support
>> from the Jetty & CometD experts.
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>>
>
>
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