java version "1.4.2_13"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_13-b02)
Java HotSpot(TM) Client VM (build 1.4.2_13-b02, mixed mode)

Environment: JCK-runtime-14a
TEST="javasoft.sqe.tests.api.javax.swing.JSpinner.setgetTests -TestCaseID ALL"

Tested Platforms : Windows XP Home SP2, Solaris Sparc 10 Update 2 FCS.

The above testcase is failing with build 1.4.2_13-b02, but was passing for 1.4.2_13-ea-b01. It is a clear regression introduced in build2.

Use attached JSpinner_setget.sh to run the testcase.
You need only to change location of JCK and JDK in your environment.

See attached .jtr for full details.

Output from JSpinner_setget.sh.

bash-3.00# ./JSpinnner_setget

java version "1.4.2_13"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_13-b02)
Java HotSpot(TM) Client VM (build 1.4.2_13-b02, mixed mode)

java.lang.ClassCastException
        at javax.swing.plaf.basic.BasicSpinnerUI$PropertyChangeHandler.propertyChange(BasicSpinnerUI.java:856)
        at javax.swing.event.SwingPropertyChangeSupport.firePropertyChange(SwingPropertyChangeSupport.java:264)
        at javax.swing.event.SwingPropertyChangeSupport.firePropertyChange(SwingPropertyChangeSupport.java:232)
        at javax.swing.JComponent.firePropertyChange(JComponent.java:3819)
        at javax.swing.JSpinner.setEditor(JSpinner.java:456)
        at javasoft.sqe.tests.api.javax.swing.JSpinner.setgetTests.JSpinner2003(setgetTests.java:44)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(MultiTest.java:399)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:195)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:127)
        at javasoft.sqe.tests.api.javax.swing.JSpinner.setgetTests.main(setgetTests.java:27)
JSpinner2003: Failed. Test case throws exception: java.lang.ClassCastException
JSpinner2004: Passed. OKAY
JSpinner2005: Passed. OKAY
JSpinner2006: Passed. OKAY
JSpinner2007: Passed. OKAY
JSpinner2008: Passed. OKAY
JSpinner2009: Passed. OKAY
JSpinner2010: Passed. OKAY
JSpinner2011: Passed. OKAY
JSpinner2012: Passed. OKAY
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException
Correctly thrown IllegalArgumentException from JSpinner.setValue()
Correctly thrown IllegalArgumentException from JSpinner.getModel().setValue()
Correctly thrown IllegalArgumentException from JSpinner.setValue()
Correctly thrown IllegalArgumentException from JSpinner.getModel().setValue()
Correctly thrown IllegalArgumentException from JSpinner.setValue()
Correctly thrown IllegalArgumentException from JSpinner.getModel().setValue()
Correctly thrown IllegalArgumentException from JSpinner.setValue()
Correctly thrown IllegalArgumentException from JSpinner.getModel().setValue()
Correctly thrown IllegalArgumentException
STATUS:Failed.test cases: 10; passed: 9; failed: 1; first test case failure: JSpinner2003

Also, if you need access to a local machine in my domain I can make one available with environment setup also. Just let me know.