Tomcat异常-java.net.ConnectException:连接被拒绝：连接

Tomcat（V7.0.54）本身运行良好，我可以访问并使用manager gui应用程序。但是，我的主web应用程序将无法运行。我根本没有修改默认的server.xml或web.xml。WAR文件（在我的例子中是pp.WAR）也是自动部署的。我读过其他涉及端口问题的SO线程，但我很困惑，因为manager应用程序运行正常。浏览器中显示的异常为：

SEVERE: Servlet.service() for servlet [Faces Servlet] in context with path [/pp] threw exception
java.net.ConnectException: Connection refused: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:579)
    at java.net.Socket.connect(Socket.java:528)
    at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
    at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
    at sun.net.www.http.HttpClient.New(HttpClient.java:308)
    at sun.net.www.http.HttpClient.New(HttpClient.java:326)
    at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932)
    at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1300)
    at com.sun.faces.facelets.impl.DefaultFaceletCache._getLastModified(DefaultFaceletCache.java:161)
    at com.sun.faces.facelets.impl.DefaultFaceletCache.access$000(DefaultFaceletCache.java:62)
    at com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance(DefaultFaceletCache.java:82)
    at com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance(DefaultFaceletCache.java:79)
    at com.sun.faces.util.ExpiringConcurrentCache$1.call(ExpiringConcurrentCache.java:99)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at com.sun.faces.util.ExpiringConcurrentCache.get(ExpiringConcurrentCache.java:114)
    at com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet(DefaultFaceletCache.java:119)
    at com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet(DefaultFaceletCache.java:62)
    at com.sun.faces.facelets.impl.DefaultFaceletFactory.getFacelet(DefaultFaceletFactory.java:248)
    at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:366)
    at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:346)
    at com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:199)
    at com.sun.faces.facelets.tag.ui.IncludeHandler.apply(IncludeHandler.java:108)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137)
    at org.richfaces.view.facelets.html.BehaviorsAddingComponentHandlerWrapper.applyNextHandler(BehaviorsAddingComponentHandlerWrapper.java:55)
    at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:184)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:82)
    at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:308)
    at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:367)
    at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:346)
    at com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:199)
    at com.sun.faces.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:155)
    at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
    at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:82)
    at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
    at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:744)
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:509)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at portal.plugpower.com.sra.filters.FacesScopeFilter.doFilter(FacesScopeFilter.java:42)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at portal.plugpower.com.sra.filters.HibernateFilter.doFilter(HibernateFilter.java:36)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2442)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2431)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)

SEVERE:Servlet[Faces Servlet]的Servlet.service（）在路径为[/pp]的上下文中引发异常
java.net.ConnectException:连接被拒绝：连接
位于java.net.DualStackPlainSocketImpl.connect0（本机方法）
位于java.net.DualStackPlainSocketImpl.socketConnect（DualStackPlainSocketImpl.java:79）
位于java.net.AbstractPlainSocketImpl.doConnect（AbstractPlainSocketImpl.java:339）
位于java.net.AbstractPlainSocketImpl.connectToAddress（AbstractPlainSocketImpl.java:200）
位于java.net.AbstractPlainSocketImpl.connect（AbstractPlainSocketImpl.java:182）
位于java.net.PlainSocketImpl.connect（PlainSocketImpl.java:172）
位于java.net.socksocketimpl.connect（socksocketimpl.java:392）
位于java.net.Socket.connect（Socket.java:579）
位于java.net.Socket.connect（Socket.java:528）
位于sun.net.NetworkClient.doConnect（NetworkClient.java:180）
位于sun.net.www.http.HttpClient.openServer（HttpClient.java:432）
位于sun.net.www.http.HttpClient.openServer（HttpClient.java:527）
http.HttpClient.（HttpClient.java:211）
http.HttpClient.New（HttpClient.java:308）
http.HttpClient.New（HttpClient.java:326）
位于sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient（HttpURLConnection.java:996）
位于sun.net.www.protocol.http.HttpURLConnection.plainConnect（HttpURLConnection.java:932）
http.HttpURLConnection.connect（HttpURLConnection.java:850）
位于sun.net.www.protocol.http.HttpURLConnection.getInputStream（HttpURLConnection.java:1300）
位于com.sun.faces.facelets.impl.DefaultFaceletCache.\u getLastModified（DefaultFaceletCache.java:161）
位于com.sun.faces.facelets.impl.DefaultFaceletCache.access$000（DefaultFaceletCache.java:62）
位于com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance（DefaultFaceletCache.java:82）
位于com.sun.faces.facelets.impl.DefaultFaceletCache$1.newInstance（DefaultFaceletCache.java:79）
位于com.sun.faces.util.ExpiringConcurrentCache$1.call（ExpiringConcurrentCache.java:99）
在java.util.concurrent.FutureTask.run（FutureTask.java:262）处
位于com.sun.faces.util.ExpiringConcurrentCache.get（ExpiringConcurrentCache.java:114）
位于com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet（DefaultFaceletCache.java:119）
位于com.sun.faces.facelets.impl.DefaultFaceletCache.getFacelet（DefaultFaceletCache.java:62）
位于com.sun.faces.facelets.impl.DefaultFaceletFactory.getFacelet（DefaultFaceletFactory.java:248）
位于com.sun.faces.facelets.impl.DefaultFacelet.include（DefaultFacelet.java:366）
位于com.sun.faces.facelets.impl.DefaultFacelet.include（DefaultFacelet.java:346）
位于com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet（DefaultFaceletContext.java:199）
位于com.sun.faces.facelets.tag.ui.IncludeHandler.apply（IncludeHandler.java:108）
在javax.faces.view.facelets.CompositeFaceletHandler.apply（CompositeFaceletHandler.java:98）
位于javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler（DelegatingMetaTagHandler.java:137）
在org.richfaces.view.facelets.html.BehaviorsAddingComponentHandlerWrapper.applyNextHandler（BehaviorsAddingComponentHandlerWrapper.java:55）
位于com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply（ComponentTagHandlerDelegateImpl.java:184）
位于javax.faces.view.facelets.DelegatingMetaTagHandler.apply（DelegatingMetaTagHandler.java:120）
在javax.faces.view.facelets.CompositeFaceletHandler.apply（CompositeFaceletHandler.java:98）
位于com.sun.faces.facelets.compiler.NamespaceHandler.apply（NamespaceHandler.java:93）
在javax.faces.view.facelets.CompositeFaceletHandler.apply（CompositeFaceletHandler.java:98）
位于com.sun.faces.facelets.compiler.EncodingHandler.apply（EncodingHandler.java:82）
位于com.sun.faces.facelets.impl.DefaultFacelet.include（DefaultFacelet.java:308）
位于com.sun.faces.facelets.impl.DefaultFacelet.include（DefaultFacelet.java:367）
位于com.sun.faces.facelets.impl.DefaultFacelet.include（DefaultFacelet.java:346）
位于com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet（DefaultFaceletContext.java:199）
位于com.sun.faces.facelets.tag.ui.CompositionHandler.apply（CompositionHandler.java:155）
位于com.sun.faces.facelets.compiler.NamespaceHandler.apply（NamespaceHandler.java:93）
位于com.sun.faces.facelets.compiler.EncodingHandler.apply（EncodingHandler.java:82）
在com.sun.faces.facelets.impl.DefaultFacelet.apply（DefaultFacelet.java:152）上
位于com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView（FaceletViewHandlingStrategy.java:744）
位于com.sun.faces.lifecycle.RenderResponsePhase.execute（RenderResponsePhase.java:100）
位于com.sun.faces.lifecycle.Phase.doPhase（Phase.java:101）
在com.sun.faces.lifecycle.LifecycleImpl.render（LifecycleImpl.java:139）上
位于javax.faces.webapp.FacesServlet.service（FacesServlet.java:509）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）
位于org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）
在portal.plugpower.com.sra.filters.FacesScopeFilter.doFilter（FacesScopeFilter.java:42）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（Applic
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
    version="2.0>

<servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 
version="2.5">

<servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.jsf</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.jsp</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.xhtml</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>PhpJavaServlet</servlet-name>
    <url-pattern>*.phpjavabridge</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>PhpCGIServlet</servlet-name>
    <url-pattern>*.php</url-pattern>
  </servlet-mapping>

<web-app xmlns="http://java.sun.com/xml/ns/javaee"  
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
                             http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"  
         version="3.0">