Simple application runs on Java, Tomcat, Postgresql

Hi Experts,

I'm looking for a simple web application to test some database clustering functionalists on Postgresql.
Basically I will need,

1. User logging
2. Enter some data
3. Search the entered data
4. Modify and Delete the data

Who can help me to write these simple web app ? or recommend a easy employable open source java web app for this purpose ?

Thx !
Shakthi777Asked:
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gheistConnect With a Mentor Commented:
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Gary PattersonConnect With a Mentor VP Technology / Senior Consultant Commented:
Not sure why you want to go to the trouble of writing an application to test database clustering.  I that's not an absolute requirement, then I suggest you look at the pgbench tool:

http://www.postgresql.org/docs/devel/static/pgbench.html

pgbench is a performance testing tool.  It will create some sample tables, and then will run the same set of SQL statements over and over (SELECT, UPDATE, and INSERT statements) for you - in multiple session if you want.  you can also customize it to run your own custom transactions if you prefer.  

No real setup, no code to write, no product to install and figure out how to configure and use, easy-to-use, short learning curve, and a standard tool.
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