JNDI Tomcat configuration:

1. Add the following JNDI items for a pentaho reports at <GlobalNamingResources> section in file server.xml located in TOMCAT/conf directory (remember to modify SourceDB parameters accordingly to your databases configuration):

<Resource type="javax.sql.DataSource"
name="jdbc/SourceDB"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/mifos"
username="mifos"
password="mifos"
initialSize="3"
maxActive="20"
maxIdle="15"
minIdle="3"
timeBetweenEvictionRunsMillis="30000"
minEvictableIdleTimeMillis="60000"
logAbandoned="true"
suspectTimeout="60"
jdbcInterceptors="org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer;ResetAbandonedTimer" />

2. Make sure that 'mysql-connector-java-bin.jar' file is in the TOMCAT/lib directory. If not, then you can download it from here http://dev.mysql.com/downloads/connector/j/.

3. Restart Tomcat.