Hi!
I've got a problem with my project. Here a short summary about what it is:
I wrote a web application that periodically reads out a database and shows
these information in a visual way (on a google map or a chart...).
The gwt-project and the mysql-database are on two different virtual machines
on the same computer (one is a windows vm, the other is a ubuntu vm).
Now I want to bind the gwt-project into tomcat. Therefore I set up
everything on client and server site and the communication between both
works.
My problem is the communication between the server-code and the
mysql-database. JNDI is the best way to do something like that, but I am not
very deep incorporated in this sector (tomcat). I followed some how-tos, but
I can't get my communication work.
I hope you can help me!
Here are the tools I am using:
- Apache Tomcat 5.5
- Google Webtoolkit 1.4 + GWT-Ext (auf Windows XP)
- MySQL 4.1 (auf Ubuntu)
I attempted the following things:
- copy mysql-connector-java-5.1.6-bin.jar into <TOMCAT>/server/lib
- added to <TOMCAT>/conf/context.xml the following:
Code:
<Resource name="jdbc/eco_test" auth="Container"
type="javax.sql.DataSource" removeAbandoned="true"
removeAbandonedTimeout="30" maxActive="100" maxIdle="30"
maxWait="10000" username="test2"
password="test" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://192.168.7.136/eco_test" />
- added to <TOMCAT>/webapps/<MYPROJECT>/WEB-INF/web.xml the following:
Code:
<web-app>
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/eco_test</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
[...]
</web-app>
I think I need to add somewhere a connector? Like this:
Code:
<Connector port="80" maxHttpHeaderSize="8192" maxProcessors="150"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="150"
connectionTimeout="20000" disableUploadTimeout="true" />
I hope you can help me, I thought I made everythink right, but I can't get
the communication work.
Thanks a lot!
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