[#GM-151] Deleting a matrix throws stack trace when using Goal Management

Contrib: Goal Management

Deleting a matrix throws stack trace when using Goal Management

Created: 05-Nov-2007 15:49 Updated: 23-Jul-2008 14:16

Component/s:

None

Affects Version/s:

2.5.0

Fix Version/s:

None

Issue Links:

Relate

This issue relates to:

~~SAK-13114~~ Cannot delete imported matrix until first use

This issue is related to:

~~SAK-11808~~ Removing a matrix causes null pointer exception

Description

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This problem was noticed when testing the proposed fix for ~~SAK-12066~~ -- the following crash appears to only occur on HSQLDB (matrices can be deleted without incident on MySql and Oracle).

caused by: java.lang.NullPointerException
    at org.hsqldb.jdbc.jdbcResultSet.findColumn(null:-1)
    at org.hsqldb.jdbc.jdbcResultSet.getString(null:-1)
    at org.apache.commons.dbcp.DelegatingResultSet.getString(DelegatingResultSet.java:225)
    at org.sakaiproject.metaobj.shared.IdType.nullSafeGet(IdType.java:74)
    at org.hibernate.type.CustomType.nullSafeGet(CustomType.java:105)
    .
    .
    .
    at org.theospi.portfolio.matrix.control.DeleteScaffoldingConfirmationController.handleRequest(DeleteScaffoldingConfirmationController.java:109)

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Beth Kirschner - 07-Nov-2007 12:24

Unable to reproduce this on http://nightly2.sakaiproject.org:8083/portal (running HSQL) nor on my own test server (running HSQL), but I am able to reproduce on http://nightly2.sakaiproject.org:8084/osp-portal/ (running HSQL) using the matrix-test.zip attached to ~~SAK-12066~~.

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Beth Kirschner - 23-Apr-2008 15:12

This problem only occurs when the Goal Management module is included in the build

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Beth Kirschner - 29-Apr-2008 12:03

Additionally, the problem is not reproduceable with MySql --- so it seems to be a problem only with HSQL when Goal management (gmt + datapoint contrib projects) is included.

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Beth Kirschner - 23-Jul-2008 14:16

I'm closing out ~~SAK-13114~~ (cannot delete matrix until first use) as a duplicate, but it deleting a matrix prior to first use should be verified as part of fixing this issue.