was7.0安装配置

was7.0安装在Rehat linux Enterprise 6.4下,安装完成后，创建概要文件也成功创建了，但是启动服务起不来，请问这是什么问题？

启动报错信息：
An error occurred initializing, server1 [class com.ibm.ws.runtime.component.ServerImpl]
com.ibm.ws.exception.ConfigurationError: com.ibm.websphere.ssl.SSLException: com.ibm.wsspi.runtime.variable.UndefinedVariableException: Undefined variable hostname
        at com.ibm.ws.ssl.core.SSLComponentImpl.initialize(SSLComponentImpl.java:208)
        at com.ibm.ws.runtime.component.ContainerHelper.initWsComponent(ContainerHelper.java:1191)
        at com.ibm.ws.runtime.component.ContainerHelper.initializeComponent(ContainerHelper.java:1098)
        at com.ibm.ws.runtime.component.ContainerHelper.initializeComponents(ContainerHelper.java:900)
        at com.ibm.ws.runtime.component.ContainerImpl.initializeComponents(ContainerImpl.java:776)
        at com.ibm.ws.runtime.component.ContainerImpl.initializeComponents(ContainerImpl.java:750)
        at com.ibm.ws.runtime.component.ServerImpl.initialize(ServerImpl.java:332)
        at com.ibm.ws.runtime.WsServerImpl.bootServerContainer(WsServerImpl.java:280)
        at com.ibm.ws.runtime.WsServerImpl.start(WsServerImpl.java:214)
        at com.ibm.ws.runtime.WsServerImpl.main(WsServerImpl.java:666)
        at com.ibm.ws.runtime.WsServer.main(WsServer.java:59)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:600)
        at com.ibm.wsspi.bootstrap.WSLauncher.launchMain(WSLauncher.java:213)
        at com.ibm.wsspi.bootstrap.WSLauncher.main(WSLauncher.java:93)
        at com.ibm.wsspi.bootstrap.WSLauncher.run(WSLauncher.java:74)
        at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:600)
        at org.eclipse.core.launcher.Main.invokeFramework(Main.java:340)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:282)
        at org.eclipse.core.launcher.Main.run(Main.java:981)
        at com.ibm.wsspi.bootstrap.WSPreLauncher.launchEclipse(WSPreLauncher.java:341)
        at com.ibm.wsspi.bootstrap.WSPreLauncher.main(WSPreLauncher.java:111)
Caused by: com.ibm.websphere.ssl.SSLException: com.ibm.wsspi.runtime.variable.UndefinedVariableException: Undefined variable hostname
        at com.ibm.ws.ssl.config.SSLConfigManager.initializeServerSSL(SSLConfigManager.java:349)
        at com.ibm.ws.ssl.core.SSLComponentImpl.initialize(SSLComponentImpl.java:145)
        ... 31 more
Caused by: com.ibm.wsspi.runtime.variable.UndefinedVariableException: Undefined variable hostname
        at com.ibm.ws.runtime.component.VariableMapImpl.expand(VariableMapImpl.java:373)
        at com.ibm.ws.runtime.component.VariableMapImpl.expand(VariableMapImpl.java:325)
        at com.ibm.ws.runtime.config.AbstractConfigObject.getString(AbstractConfigObject.java:42)
        at com.ibm.ws.security.config.SecurityConfigManagerImpl.getString(SecurityConfigManagerImpl.java:930)
        at com.ibm.ws.security.config.SecurityConfigObjectImpl.getString(SecurityConfigObjectImpl.java:151)
        at com.ibm.ws.ssl.config.SSLConfigManager.loadGlobalProperties(SSLConfigManager.java:1637)
        at com.ibm.ws.ssl.config.SSLConfigManager.initializeServerSSL(SSLConfigManager.java:227)
        ... 32 more