0 Replies Latest reply on May 12, 2008 9:03 PM by aymen houissa

    problems in signing a pdf

    aymen houissa Newbie

      Hi,
      i'd like to sign pdf document but i get this error


      java.lang.RuntimeException: java.lang.NullPointerException
           at org.jboss.seam.pdf.ui.UISignature.sign(UISignature.java:135)
           at org.jboss.seam.pdf.ui.UIDocument.encodeEnd(UIDocument.java:274)
           at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
           at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
           at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
           at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
           at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
           at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
           at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
           at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
           at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
           at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
           at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
           at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
           at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
           at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
           at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
           at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
           at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
           at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
           at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
           at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
           at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
           at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
           at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
           at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
           at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
           at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
           at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
           at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
           at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
           at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
           at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
           at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
           at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
           at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
           at java.lang.Thread.run(Thread.java:619)
      Caused by: java.lang.NullPointerException
           at com.lowagie.text.pdf.PdfSignatureAppearance.getAppearance(Unknown Source)
           at com.lowagie.text.pdf.PdfSignatureAppearance.preClose(Unknown Source)
           at com.lowagie.text.pdf.PdfSignatureAppearance.preClose(Unknown Source)
           at com.lowagie.text.pdf.PdfStamper.close(Unknown Source)
           at org.jboss.seam.pdf.ui.UISignature.sign(UISignature.java:131)
           ... 47 more



      component.xml:


      <components xmlns="http://jboss.com/products/seam/components"
           xmlns:core="http://jboss.com/products/seam/core"
           xmlns:persistence="http://jboss.com/products/seam/persistence"
           xmlns:drools="http://jboss.com/products/seam/drools"
           xmlns:bpm="http://jboss.com/products/seam/bpm"
           xmlns:pdf="http://jboss.com/products/seam/pdf"
           xmlns:security="http://jboss.com/products/seam/security"
           xmlns:mail="http://jboss.com/products/seam/mail"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://jboss.com/products/seam/core http://jboss.com/products/seam/core-2.1.xsd 
                       http://jboss.com/products/seam/persistence http://jboss.com/products/seam/persistence-2.1.xsd 
                       http://jboss.com/products/seam/drools http://jboss.com/products/seam/drools-2.1.xsd
                       http://jboss.com/products/seam/bpm http://jboss.com/products/seam/bpm-2.1.xsd
                       http://jboss.com/products/seam/security http://jboss.com/products/seam/security-2.1.xsd
                       http://jboss.com/products/seam/mail http://jboss.com/products/seam/mail-2.1.xsd
                       http://jboss.com/products/seam/pdf http://jboss.com/products/seam/pdf-2.1.xsd
                       http://jboss.com/products/seam/components http://jboss.com/products/seam/components-2.1.xsd">
      
           <core:init debug="@debug@" jndi-pattern="@jndiPattern@" />
           <core:manager concurrent-request-timeout="500"
                conversation-timeout="120000" conversation-id-parameter="cid"
                parent-conversation-id-parameter="pid" />
                
           <pdf:documentStore useExtensions="true"/>
           <pdf:key-store-config key-store="a.jks"
                                key-store-password="carthage"
                                key-password="carthage"
                                key-alias="aymen" />


      please help