ParameterMappingTest.testParameterMapping() fails on weme6.1

Test fails with the following diff (edited for readability):

testParameterMapping(jdbcapi.ParameterMappingTest)junit.framework.AssertionFailedError:
(22005):An attempt was made to get a data value of type 'java.lang.Object' from a data value of type 'DECIMAL'.
at ParameterMappingTest.showException(ParameterMappingTest.java:2827)
at ParameterMappingTest.judge_setXXX(ParameterMappingTest.java:1239)
at ParameterMappingTest.setXXX(ParameterMappingTest.java:1352)
at ParameterMappingTest.testParameterMapping(ParameterMappingTest.java:407)
at java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:205)
at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:80)

Noticed this failure since roughly 03/01/2007.