org.apache.jasper.JasperException
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
。。。。。。
root cause
java.lang.NullPointerException
at com.opensymphony.workflow.AbstractWorkflow.initialize(AbstractWorkflow.java:579)
调用的JSP页面相关语句如下:
Workflow wf = new BasicWorkflow((String) session.getAttribute("username"));
long id = wf.initialize("example", 1, null);//此处报错
AbstarctWorkflow.java
:
public long initialize(String workflowName, int initialAction, Map inputs) throws InvalidRoleException, InvalidInputException, WorkflowException {
WorkflowDescriptor wf = getConfiguration().getWorkflow(workflowName);//579行,报错处