Use Throwable.initCause() to improve error reporting
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Key: DERBY-2472
URL: https://issues.apache.org/jira/browse/DERBY-2472
Project: Derby
Issue Type: Improvement
Components: JDBC, Miscellaneous
Affects Versions: 10.3.0.0
Reporter: Kristian Waagan
Priority: Minor
As Derby has moved to J2SE 1.4, Throwable.initCause() can now be used to
improve error reporting.
As stated in the initial commit (that was backed out, see below):
'Set Throwable.initCause() in a couple of locations at the JDBC level where we
setup nested SQLExceptions.
This means that automatically the stack trace for a database failed to start
includes the reason
for the failure, rather than just "see next exception". This is a great help
when running
JUnit tests and getting failures to start a database.'
The initial commit was backed out because it broke numerous tests under JDK
1.6, and the author indicated he had no time to investigate.
The patch caused no failures when running the tests with Java SE 5.0.
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