Cannot re-connect to 10.0 database after soft upgrade with 10.3 (trunk) code
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Key: DERBY-2221
URL: https://issues.apache.org/jira/browse/DERBY-2221
Project: Derby
Issue Type: Bug
Affects Versions: 10.3.0.0
Reporter: Daniel John Debrunner
Database fails to start with 10.0.2.1 after a 10.3 database has connected to
it. Caused by a NullPointerException.
Even if 10.0 is not a common starting point it would be good to track down what
is causing this, it seems to be some on-disk format
of an object has changed in an incompatible way.
To reproduce run the JUnit upgrade test added by DERBY-2217
org.apache.derbyTesting.functionTests.tests.upgradeTests._Suite
setting the system property derbyTesting.jar.path to point to a folder that
contains a 10.0.2.1 release in the folder 10.0.2.1.
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