[seam-issues] [JBoss JIRA] Created: (JBSEAM-4625) Include exception cause when UIAttachment fails to read DataSource

[Kasper Sørensen (JIRA)]

Include exception cause when UIAttachment fails to read DataSource
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                 Key: JBSEAM-4625
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4625
             Project: Seam
          Issue Type: Patch
          Components: Mail
    Affects Versions: 2.2.1.CR1
            Reporter: Kasper Sørensen
            Assignee: Pete Muir


If something goes wrong when reading an attachment it is really hard to find out what because the exception thrown does not include (or log) the cause of the error.

See attached patch (or just this code snippet which fixes the issue):

(line 155 - 165)
             catch (Exception e) 
             {
                 if (value != null)
                 {
                     throw new IllegalStateException("Error accessing " + value, e);
                 }
                 else
                 {
                     throw new IllegalStateException("Error accessing " + getValueExpression("value").getExpressionString(), e);
                 }
            }

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