(segue meu codigo porem nao sei oque fazer para continar e tenho q entregar o projeto dia 02 porfavor alguem pode ajudar?alem disso estou correndo atraz de 1 software para fazer um esboço de boleto ,pois meu e-commerce vai vender apenas por boleto e eh apenas para o projeto.Obrigado desde ja)

String sCarrinho = null;

if (session.getAttribute(“sCarrinho”)!=null)

sCarrinho = session.getAttribute(“sCarrinho”).toString();

description The server encountered an internal error () that prevented it from fulfilling this

request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /carrinho.jsp at line

15

12:

13:

14: <%

15: String sCarrinho = session.getAttribute(“sCarrinho”).toString();

16:

17: if (sCarrinho!=null && sCarrinho.length()>0){

18: String arrLivro[] = sCarrinho.split(",");

Stacktrace:

org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:524)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)

root cause

java.lang.NullPointerException

org.apache.jsp.carrinho_jsp._jspService(carrinho_jsp.java:70)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.14 logs.