This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
Hello gurus, I am using thread in one of my mail class (SMail). Most of the time, this class works fine in servlets. Occasionally I get this error. It is not really coming from my SMail class. It seems something wrong in thread itself. Any suggestion is appreciated. The message is below. > java.lang.NullPointerException > at > java.security.AccessControlContext.optimize(AccessControlContext.java, > Compiled Code) > at java.security.AccessController.getContext(AccessController.java, > Compiled Code) > at java.lang.Thread.init(Thread.java, Compiled Code) > at java.lang.Thread.(Thread.java, Compiled Code) The full error message is also attached here
> > java.lang.NullPointerException > at > java.security.AccessControlContext.optimize(AccessControlContext.java, > Compiled Code) > at java.security.AccessController.getContext(AccessController.java, > Compiled Code) > at java.lang.Thread.init(Thread.java, Compiled Code) > at java.lang.Thread.(Thread.java, Compiled Code) > at SMail.(SMail.java, Compiled Code) > at EcardsSend.prepareEcardsAndEmail(EcardsSend.java, Compiled Code) > at ButtonAction.processFinishedButton(ButtonAction.java, Compiled Code) > at MemberSend.doPost(MemberSend.java, Compiled Code) > at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled > Code) > at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled > Code) > at > newatlanta.servletexec.ServletExec.CallServletService(ServletExec.java, > Compiled Code) > at > newatlanta.servletexec.ServletExec.processServletRequest(ServletExec.java > , Compiled Code) > at newatlanta.servletexec.ServletExec.ProcessRequest(ServletExec.java, > Compiled Code) > at newatlanta.servletexec.ServletExec.ProcessRequest(ServletExec.java, > Compiled Code)
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