[Mondrian] ClassCastException RolapMemberBase cannot be cast to RolapCubeMember

VanIngen, Erik (FIPS) Erik.VanIngen at fao.org
Thu May 12 07:37:13 EDT 2011

Thanks for thinking along with me. My guess is that is a bug in the Mondrian XML/A Servlet and that is it related to the use of Members. However with other clients I am not able to reproduce the problem. This could suggest that the problem relies in the Olap4j driver for XML/A.

The problem remains. What could be the solution for this error?

From: mondrian-bounces at pentaho.org [mailto:mondrian-bounces at pentaho.org] On Behalf Of Paul Stoellberger
Sent: 12 May 2011 10:35
To: Mondrian developer mailing list
Subject: Re: [Mondrian] ClassCastException RolapMemberBase cannot be cast to RolapCubeMember

I think that there are some problems when the Members of a Level are selected. So its probably related.

Occasionally I see something like this as well (olap4j trunk + mondrian trunk):

Caused by: mondrian.olap.MondrianException: Mondrian Error:Internal error: Error while executing query [select NON EMPTY {Hierarchize({[Department].[(All)].Members})} ON COLUMNS,
  NON EMPTY Crossjoin([Employees].[(All)].Members, {[Measures].[Employee Salary]}) ON ROWS
from [HR]
Caused by: java.lang.ClassCastException: mondrian.mdx.ResolvedFunCall cannot be cast to mondrian.mdx.MemberExpr
        at mondrian.rolap.sql.CrossJoinArgFactory.addConstrainingMembersToMap(CrossJoinArgFactory.java:222)
        at mondrian.rolap.sql.CrossJoinArgFactory.checkConstrainedMeasures(CrossJoinArgFactory.java:157)

On May 12, 2011, at 9:17 , VanIngen, Erik (FIPS) wrote:

Dear Mondrian,

This mdx
SELECT NON EMPTY [Time].[Month].Members ON COLUMNS, NON EMPTY [Store].[Store Name].Members ON ROWS FROM [Sales]
over Olap4j Xmla gives this error
Caused by: java.lang.ClassCastException: mondrian.rolap.RolapMemberBase cannot be cast to mondrian.rolap.RolapCubeMember

Configuration is Olap4j version:,  Mondrian: mondrian-,  Db: Postgres.

What could be the solution for this error?

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