BAPI_MDDATASET_CREATE_OBJECT MDX Query - sap

Question

I would like to make a BAPI call from Java to the BAPI "BAPI_MDDATASET_CREATE_OBJECT".
Therefore I want to use the following MDX Query:
SELECT
[0DISTR_CHAN].Members ON COLUMNS,
[0MATERIAL].Members ON ROWS
FROM [$/PKG/AB_C01]
Because the Parameter "COMMAND_TEXT" is to short I made 4 entries like this:
Now I run the BAPI and get a DATASETID in return. I use this id with the next BAPI "BAPI_MDDATASET_CHECK_SYNTAX"
But now I get an exception:
English Version:
Why is this so?
This MDX query seems to be OK, because in transcation "MDXTEST" this query is working.
Any suggestions?

Answer 1

I had the same problem only with c# and sap connector.
I solved it. Need to use all commands in one context:
RfcSessionManager.BeginContext(destination);
Create_Object();
CheckSyntax();
etc.
RfcSessionManager.EndContext(this.destination);

Answer 2

The following will return a large table that is n * m where n are the number of columns and m is the number of rows:
SELECT
[0DISTR_CHAN].Members ON COLUMNS,
[0MATERIAL].Members ON ROWS
FROM [$/PKG/AB_C01]
n = number of members in this dimension [0DISTR_CHAN] + 1
m = number of members in this dimension [0MATERIAL]
This is not an answer but maybe will help to discover if the mdx is the problem. If you simplify the above to just a single member on rows, and a single member on columns do you still get an error?
SELECT
{[0DISTR_CHAN].[0DISTR_CHAN].[someMemberY]} ON COLUMNS,
{[0MATERIAL].[0MATERIAL].[someMemberX]} ON ROWS
FROM [$/PKG/AB_C01];