java.lang.ClassCastException: org.seasar.mai.property.server.impl.ServerPropertyWriterHost
	at org.seasar.mai.property.mail.impl.MailPropertyWriterFactoryImpl.getMailPropertyWriter(MailPropertyWriterFactoryImpl.java:32)
	at org.seasar.mai.property.impl.PropertyWriterForBeanImpl.setMailProperty(PropertyWriterForBeanImpl.java:66)
	at org.seasar.mai.property.impl.PropertyWriterForBeanImpl.setMailProperty(PropertyWriterForBeanImpl.java:57)
	at org.seasar.mai.interceptors.S2MaiInterceptor.sendMail(S2MaiInterceptor.java:77)
	at org.seasar.mai.interceptors.S2MaiInterceptor.invoke(S2MaiInterceptor.java:66)
	at org.seasar.mistral.helper.MailMai$$EnhancedByS2AOP$$898540$$MethodInvocation$$sendMail0.proceed(MethodInvocationClassGenerator.java)
	at org.seasar.mistral.helper.MailMai$$EnhancedByS2AOP$$898540.sendMail(MailMai$$EnhancedByS2AOP$$898540.java)
	at org.seasar.mistral.helper.MailMaiTest.testSendMail(MailMaiTest.java:30)
	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:324)
	at org.seasar.extension.unit.S2TestCase.doRunTest(S2TestCase.java:92)
	at org.seasar.framework.unit.S2FrameworkTestCase.runBare(S2FrameworkTestCase.java:188)
	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 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)