java.lang.NullPointerException: This exception has no message.
Searched on Google with the first line of a JAVA stack trace?
We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.
Recommended solutions based on your search
Solutions on the web
via openxava by sagartandel
, 1 year agojava.lang.NullPointerException:at org.openxava.web.servlets.GenerateReportServlet.getFileName(GenerateReportServlet.java:242)at org.openxava.web.servlets.GenerateReportServlet.doGet(GenerateReportServlet.java:217)at javax.servlet.http.HttpServlet.doHead(HttpServlet.java:241)at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)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.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 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)at java.lang.Thread.run(Thread.java:662)