java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.jav
hager Nov 23, 2007 10:49 AMHello,
I'm using seam 2.0.0.GA and JBoss server 4.2.0.GA
I'm trying an example with <pdf:image>, but i have java.io.ByteArrayInputStream.(ByteArrayInputStream.java:89) Exception.
Page.xhtml :
<p:image image="#{exportPDF.image}" spacingAfter="20" />
ExportPDF.java :
public BufferedImage getImage() { BufferedImage image = null; try { String repertoireLogo = this.gestionConfiguration.getValue(typeConfigurationValeur); this.pathImage = this.societeHome.getInstance().getLogoSociete(); if(this.pathImage != null) { System.out.println("pathImage "+pathImage); StringTokenizer st = new StringTokenizer(this.pathImage,"/"); String nomFichier =""; while(st.hasMoreElements()) { nomFichier = st.nextToken(); } byte[] pixels; //Reading every byte from file File logo = new File(repertoireLogo+File.separator+nomFichier); if(logo.exists()) { FileInputStream fis = new FileInputStream(logo); pixels = new byte[fis.available()]; fis.read(pixels); System.out.println("Pixels "+pixels.length); image = ImageIO.read ( new ByteArrayInputStream ( pixels ) ); } } } catch (IOException e) { System.out.println("Exception Image "+e.toString()); } return image; }
when I execute my method, I have this exception :
java.lang.NullPointerException at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:89) at com.lowagie.text.Image.getInstance(Unknown Source) at org.jboss.seam.pdf.ui.UIImage.createITextObject(UIImage.java:140) at org.jboss.seam.pdf.ui.ITextComponent.encodeBegin(ITextComponent.java:181) at org.jboss.seam.pdf.ui.ITextComponent.encode(ITextComponent.java:244) at org.jboss.seam.pdf.ui.ITextComponent.encodeChildren(ITextComponent.java:213) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) 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 com.fitnetapplication.resources.pdf.RendererFilter.doFilter(RendererFilter.java:79) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 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:44) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595)
How can I fix that?
thanks