[ICAT] Algorithm error reporting

[OwenArnold]

This ticket is blocked by :

• TRAC6490
• TRAC8445

A lot of algorithms in the ICAT category are throwing the same basic exception message.

throw std::runtime_error("Error when getting the catalog information from the Facilities.xml file.");

Some of these were replaced as part of http://trac.mantidproject.org/mantid/ticket/6490 to give better information on login. It would be best if someone where to go through these error scenarios and check that

• They are reporting the right information, which should be useful to the end-user
• That there is reduced duplication of error messages. Looks like a lot of copy-paste at the moment.

The quick fix http://trac.mantidproject.org/mantid/ticket/6490 should also be reviewed, because the throwCatalogError() function is duplicated across two algorithms.

Nick. Reassign as you see appropriate. It might be that I'm the best person to look at this.

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Keywords: ICAT

[OwenArnold]

This issue was originally trac ticket 6512