java.io.NotSerializableException: javax.faces.validator.LengthValidator
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
    at java.util.LinkedList.writeObject(LinkedList.java:755)
    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:585)
    at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
    at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
    at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
    at org.seasar.teeda.core.unit.TestUtil.serializeAndDeserialize(TestUtil.java:56)
    at javax.faces.internal.ValidatorChainTest.testSaveAndRestoreState(ValidatorChainTest.java:77)
    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:585)
    at junit.framework.TestCase.runTest(TestCase.java:164)
    at org.seasar.framework.unit.S2FrameworkTestCase.doRunTest(S2FrameworkTestCase.java:250)
    at org.seasar.framework.unit.S2FrameworkTestCase.runBare(S2FrameworkTestCase.java:155)
    at junit.framework.TestResult$1.protect(TestResult.java:106)
    at junit.framework.TestResult.runProtected(TestResult.java:124)
    at junit.framework.TestResult.run(TestResult.java:109)
    at junit.framework.TestCase.run(TestCase.java:120)
    at junit.framework.TestSuite.runTest(TestSuite.java:230)
    at junit.framework.TestSuite.run(TestSuite.java:225)
    at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)