mondrian4.3
运行mondrian4.x连接oracle报如下异常：Exception in thread 'main' java.lang.NoClassDefFoundError: org/apache/commons/math/MathException解决办法：添加maven依赖
运行mondrian3.x版本xml报下面的错误：Caused by: org.eigenbase.xom.XOMException: In Schema: In Cube: element
mondrian4连接oracle报如下错误：mondrian.olap.MondrianException: Mondrian Error:Internal error: Error while creating SQL connection: Jdbc=jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:orcl;Caused by: java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:orcl解决办法：添加oracle数据库maven依赖
mondrian4连接oracle报异常：mondrian.rolap.RolapSchema$MondrianSchemaException: Table 'xxx' does not exist in database. (in Table) (at line 3, column 2)解决办法：把表名全部改成大写，因为oracle拿出来的表结构都是大写的
mondrian4连接oracle报如下错误：java.sql.SQLException: No suitable driver found for Provider=mondrian;Jdbc=jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:orcl;JdbcUser=xxx;JdbcPassword=xxxx;Catalog=D:/java/xxx/studentgrade.xml;JdbcDrivers=oracle.jdbc.driver.OracleDriver;解决办法：把Provider=mondrian;换成jdbc:mondrian:
mondrian4连接oracle报如下异常：mondrian.rolap.RolapSchema$MondrianSchemaException: Cube definition must contain a MeasureGroups element, and at least one MeasureGroup (in Cube 'xxxx') (at line 6, column 1解决办法：添加