[Seasar-user:5436] サーバー起動時のエラー[ESSR0007]に関して

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浜田と申します。

現在、S2Struts(Seasar2.3.11)でサンプルアプリを構築し、検証を
行っております。

開発はAll-In-One Elipse上で行っているのですが、サーバー起動時に
下記のようなエラーが発生します。

原因がよく分からないので、何かアドバイスを頂ければ幸いです。

■エラーログ
--------------------------------------------------------------

2006-12-12 17:32:26,812 [main] ERROR 
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/WMS_S2_2006] 
- StandardWrapper.Throwable
org.seasar.framework.exception.EmptyRuntimeException: [ESSR0007]sessionは
nullあるいは空であってはいけません
        at 
org.seasar.framework.container.deployer.SessionComponentDeployer.deploy(SessionComponentDeployer.java:44)
        at 
org.seasar.framework.container.impl.ComponentDefImpl.getComponent(ComponentDefImpl.java:94)
        at 
org.seasar.framework.container.impl.S2ContainerImpl.getComponent(S2ContainerImpl.java:128)
        at 
org.seasar.framework.container.assembler.AbstractBindingTypeDef.bindAuto(AbstractBindingTypeDef.java:75)
        at 
org.seasar.framework.container.assembler.BindingTypeShouldDef.doBind(BindingTypeShouldDef.java:38)
        at 
org.seasar.framework.container.assembler.AbstractBindingTypeDef.bind(AbstractBindingTypeDef.java:64)
        at 
org.seasar.framework.container.assembler.AutoPropertyAssembler.assemble(AutoPropertyAssembler.java:51)
        at 
org.seasar.framework.container.deployer.PrototypeComponentDeployer.deploy(PrototypeComponentDeployer.java:38)
        at 
org.seasar.framework.container.impl.ComponentDefImpl.getComponent(ComponentDefImpl.java:94)
        at 
org.seasar.framework.container.impl.S2ContainerImpl.getComponent(S2ContainerImpl.java:128)
        at 
org.seasar.framework.container.ognl.S2ContainerPropertyAccessor.getProperty(S2ContainerPropertyAccessor.java:36)
        at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1616)
        at ognl.ASTProperty.getValueBody(ASTProperty.java:96)
        at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:171)
        at ognl.SimpleNode.getValue(SimpleNode.java:213)
        at ognl.ASTChain.getValueBody(ASTChain.java:109)
        at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:171)
        at ognl.SimpleNode.getValue(SimpleNode.java:213)
        at ognl.Ognl.getValue(Ognl.java:333)
        at ognl.Ognl.getValue(Ognl.java:310)
        at org.seasar.framework.util.OgnlUtil.getValue(OgnlUtil.java:40)
        at 
org.seasar.framework.container.impl.ArgDefImpl.getValue(ArgDefImpl.java:55)
        at 
org.seasar.framework.container.impl.AspectDefImpl.getAspect(AspectDefImpl.java:60)
        at 
org.seasar.framework.container.util.AopProxyUtil.getAspects(AopProxyUtil.java:50)
        at 
org.seasar.framework.container.util.AopProxyUtil.getConcreteClass(AopProxyUtil.java:41)
        at 
org.seasar.framework.container.impl.ComponentDefImpl.getConcreteClass(ComponentDefImpl.java:147)
        at 
org.seasar.framework.container.impl.ComponentDefImpl.init(ComponentDefImpl.java:278)
        at 
org.seasar.framework.container.impl.S2ContainerImpl.init(S2ContainerImpl.java:408)
        at 
org.seasar.framework.container.impl.S2ContainerImpl.init(S2ContainerImpl.java:405)
        at 
org.seasar.framework.container.factory.SingletonS2ContainerFactory.init(SingletonS2ContainerFactory.java:54)
        at 
org.seasar.framework.container.servlet.S2ContainerServlet.init(S2ContainerServlet.java:69)
        at javax.servlet.GenericServlet.init(GenericServlet.java:211)
        at 
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1105)
        at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932)
        at 
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3917)
        at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:4201)
        at 
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
        at 
org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at 
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
        at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
        at 
org.apache.catalina.core.StandardService.start(StandardService.java:450)
        at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)

------------------------------------------------------------------

以上、御教授頂ければ幸いです。

浜田
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