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In the past week, some users have reported encountering the getresourceasstream java servlet.

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    public city ServletContext. Defines a set of policies that a servlet uses to interact with its servlet container for a script, to bind a MIME type to a file, to send requests, or to save a file’s log. Is there really a context for the “web application” of each JVM.

    10 East

    is a special servlet that reads a .pdf file, runs it and returns a response. I don’t understand why everything doesn’t work.

    java servlet getresourceasstream

    secured doGet(empty HttpServletRequest, response) httpservletresponse throws ServletException, IOException        response.setContentType("app/pdf");       ServletContext sc = this.getServletContext();        String = path sc.getRealPath("/WEB-INF/pdf/order.pdf"); . . . . . . .System ..out.print(path);// this is important, prints the correct path        InputStream usually = null;       To attempt             equals sc.getResourceAsStream(path); // this does not work        accepted (exception e)           e. print stack trace();              System.out.print(ist); // he is bad        shows interval = 0;        bytes[] are equal to new byte[2048];       OS response OutputStream =.getOutputStream();     To attempt           while((read equals is.read(bytes))!= -1) // Exception Throws Here            os.write(bytes, 0, read);                accepted (exception e)            inside .printstacktrace();               bone. blush();      OS .close();      

    Can anyone explain why, it doesn’t even workif using this.getServletContext().getRealPath(“/WEB-INF/pdf/demo.pdf”);

    What is difference between ServletConfig and ServletContext?

    ServletConfig is typically used by only one servlet that gets its configuration information from the Internet. xml, unlike ServletContext, is used by many objects to obtain configuration information about directly from XML files.

    21.2.14:24:21:322 13 00000033 is] systemerr R java.lang.NullPointerException[2/21/13 14:24:21:323 IST] 00000033 SystemErr R com only on.tgmc.servlets.DisplayOrder_PDF_Servlet.doGet(DisplayOrder_PDF_Servlet.14:24:21:323 java:42)[21.2.13 SystemErr ist] 00000033 R javax at.servlet.http.HttpServlet.service(HttpServlet.java:718)[2/21/13 14:24:21:323 IST] 00000033 R systemerr when calling javax.servlet.http.HttpServlet.service(HttpServlet.java:831)[21.02.14:24:21:323 13 00000033 ist] SystemErr R on com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1449)[2/21/13 14:24:21:323 ist] 00000033 SystemErr R com with.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:790)[02/21/13 14:24:21:323 IST] 00000033 R systemerr com at.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:443)[21.02.14:24:21:323 13 IST] 00000033 SystemErr R during com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:175)[21.02.14:24:21:323 13 00000033 ist] SystemErr R on com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3610)[2/21/13 14:24:21:323 00000033 is] systemerr R on com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:274)[02/21/13 14:24:21:324 IST] 00000033 Systemerr at r com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:926)[21.02.IST] 13 00000033 14:24:21:324 SystemErr R by calling com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1557)[21.02.14:24:21:324 13 IST] 00000033 SystemErr R on com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:173)[2/21/13 14:24:21:324 00000033 is] SystemErr R Only on com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:455)[21.02.13 IST] 14:24:21:324 00000033 R systemerr at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:384)[21.02.13 IST] 14:24:21:324 00000033 SystemErr Set r com mit.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)[02/21/13 14:24:21:324 ist] 00000033 SystemErr At r com.ibm.ws.ssl.channel.impl.SSLConnectionLink.determineNextChannel(SSLConnectionLink.java:1016)[21.02.14:24:21:324 13 IST] 00000033 R systemerr org at.ibm.ws.ssl.channel.impl.SSLConnectionLink$MyReadCompletedCallback.complete(SSLConnectionLink.java:639)[02/21/13 14:24:21:324 00000033 ist] SystemErr At com r.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1772)[02/21/13 14:24:21:324 IST] 00000033 Systemerr r via com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)[2/21/13 14:24:21:324 00000033 SystemErr ist] Com r at.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)[2/21/13 14:24:21:325 00000033 SystemErr is] R with com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.14:24:21:325 java:161)[21.2.13 ist] 00000033 SystemErr R on com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)[21 Feb 13 IST] 14:24:21:325 SystemErr 00000033 r available at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:202)[21.02.IST] 13 14:24:21:325 00000033 SystemErr R on com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:766)[21.02.13 14:24:21:325 SystemErr ist] 00000033 for r com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:896)[02/21/13 14:24:21:325 IST] SystemErr 00000033 R com sur.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1527)

    What is servlet configuration in Java?

    Servlet configuration information A functionality can consist of a loop or sequence of lines contained in a servlet's web.xml document. This function allows a servlet to set and change initial parameters outside of the compiled code, even without recombining.servlet pruning.

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