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Follow the instructions in the wiki (https://wiki.kuali.org/display/KULRICE/Load+Impex+Data+via+Maven|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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If you have errors in the eclipse projects, try compile the source code from command prompt
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