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Follow the instructions in the wiki https://wiki.kuali.org/display/KULRICE/Load+Impex+Data+via+Maven\
Do the following changes in the file c:\usr\local\rice\rice-config.xml
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change the username/pwd to the following
<!-- set some datasource defaults -->
<param name="datasource.username">rice</param>
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https://wiki.kuali.org/display/KULRICE/Checking+out+Rice+Project+for+Development\
If you have errors in the eclipse projects, try compile the source code from command prompt
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(you can copy the rice-config.xml too and rename it to common_config.xml)
3. Launching the Sample app
Once you have the maven build successful, it creates the war file in the following location, C:\workspace2.0\rice\sampleapp\target, copy that to your tomcat webapps folder and start the tomcat server (rename the war if needed) and access it from the browser (eg. http://localhost:8080/kr-dev )