XFire包中给的ws-security例子有问题啊?

重新生成证书也不行：Running client : Syignature Client
log4j:WARN No appenders could be found for logger (org.codehaus.xfire.transport.DefaultTransportManager).
log4j:WARN Please initialize the log4j system properly.
Looking for isbn : 0123456789 ....Exception in thread "main" org.codehaus.xfire.XFireRuntimeException: Could not invoke service.. Nested exception is org.codehaus.xfire.fault.XFireFault: CryptoFactory: Cannot load properties: META-INF/xfire/insecurity_sign.properties
org.codehaus.xfire.fault.XFireFault: CryptoFactory: Cannot load properties: META-INF/xfire/insecurity_sign.properties
at org.codehaus.xfire.fault.Soap11FaultSerializer.readMessage(Soap11FaultSerializer.java:31)
at org.codehaus.xfire.fault.SoapFaultSerializer.readMessage(SoapFaultSerializer.java:28)
at org.codehaus.xfire.soap.handler.ReadHeadersHandler.checkForFault(ReadHeadersHandler.java:111)
at org.codehaus.xfire.soap.handler.ReadHeadersHandler.invoke(ReadHeadersHandler.java:67)
at org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:110)
at org.codehaus.xfire.client.Client.onReceive(Client.java:382)
at org.codehaus.xfire.transport.http.HttpChannel.sendViaClient(HttpChannel.java:120)
at org.codehaus.xfire.transport.http.HttpChannel.send(HttpChannel.java:44)
at org.codehaus.xfire.handler.OutMessageSender.invoke(OutMessageSender.java:26)
at org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:110)
at org.codehaus.xfire.client.Invocation.invoke(Invocation.java:75)
at org.codehaus.xfire.client.Client.invoke(Client.java:335)
at org.codehaus.xfire.client.XFireProxy.handleRequest(XFireProxy.java:77)
at org.codehaus.xfire.client.XFireProxy.invoke(XFireProxy.java:57)
at $Proxy0.findBook(Unknown Source)
at org.codehaus.xfire.client.BookClient.executeClient(BookClient.java:63)
at org.codehaus.xfire.client.BookClientSign.main(BookClientSign.java:39)