Symbol source error message should clearer when a symbol can not be expanded.

Description

When using the symbol sources it can be quite difficult to determine if a symbol is non-expandable (no replacement exists). This usually results in a 'cyclic error message from the default symbol source'. The error should (at least) indicate what symbol (and where) is non-expandable.

This is a result of investigating HIVEMIND-170 - https://issues.apache.org/jira/browse/HIVEMIND-170

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JohanL
October 27, 2009, 9:38 PM

Because of the circularity of the initialization of symbol sources, the error message easily gets garbled in a large stack trace. Have added code to push the message a little higher up.

JohanL
October 27, 2009, 9:39 PM

The error message now bubbles up a little further at least

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JohanL

Reporter

JohanL

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