java.lang.NullPointerException

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  • Struts and captcha
    via by stefanocherchi,
    • java.lang.NullPointerException at sun.java2d.pipe.LoopPipe.fill(LoopPipe.java:258) at sun.java2d.pipe.ValidatePipe.fill(ValidatePipe.java:142) at sun.java2d.SunGraphics2D.fill(SunGraphics2D.java:2373) at nl.captcha.obscurity.backgrounds.FlatColorBackgroundProducer.addBackground(FlatColorBackgroundProducer.java:29) at nl.captcha.Captcha$Builder.addBackground(Captcha.java:82) at nl.captcha.servlet.SimpleCaptchaServlet.doGet(SimpleCaptchaServlet.java:36) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:416) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at com.tc.tomcat55.session.SessionValve55.tcInvoke(SessionValve55.java:63) at com.tc.tomcat55.session.SessionValve55.invoke(SessionValve55.java:50) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) at java.lang.Thread.run(Thread.java:619)
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