public void service(HttpServletRequest request, HttpServletResponse response, boolean precompile) throws ServletException, IOException, FileNotFoundException { Servlet servlet; try { if (ctxt.isRemoved()) { throw new FileNotFoundException(jspUri); } if ((available > 0L) && (available < Long.MAX_VALUE)) { if (available > System.currentTimeMillis()) { response.setDateHeader("Retry-After", available); response.sendError( HttpServletResponse.SC_SERVICE_UNAVAILABLE, Localizer.getMessage("jsp.error.unavailable")); return; } // Wait period has expired. Reset. available = 0; } /* * (1) Compile */ if (options.getDevelopment() || firstTime) { synchronized (this) { firstTime = false; // The following sets reload to true, if necessary ctxt.compile(); } } else { if (compileException != null) { // Throw cached compilation exception throw compileException; } } /* * (2) (Re)load servlet class file */ servlet = getServlet(); // If a page is to be precompiled only, return. if (precompile) { return; } } catch (ServletException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (FileNotFoundException fnfe) { // File has been removed. Let caller handle this. throw fnfe; } catch (IOException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (IllegalStateException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (Exception ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw new JasperException(ex); } try { /* * (3) Handle limitation of number of loaded Jsps */ if (unloadAllowed) { synchronized (this) { if (unloadByCount) { if (unloadHandle == null) { unloadHandle = ctxt.getRuntimeContext().push(this); } else if (lastUsageTime < ctxt.getRuntimeContext().getLastJspQueueUpdate()) { ctxt.getRuntimeContext().makeYoungest(unloadHandle); lastUsageTime = System.currentTimeMillis(); } } else { if (lastUsageTime < ctxt.getRuntimeContext().getLastJspQueueUpdate()) { lastUsageTime = System.currentTimeMillis(); } } } } /* * (4) Service request */ if (servlet instanceof SingleThreadModel) { // sync on the wrapper so that the freshness // of the page is determined right before servicing synchronized (this) { servlet.service(request, response); } } else { servlet.service(request, response); } } catch (UnavailableException ex) { String includeRequestUri = (String) request.getAttribute(RequestDispatcher.INCLUDE_REQUEST_URI); if (includeRequestUri != null) { // This file was included. Throw an exception as // a response.sendError() will be ignored by the // servlet engine. throw ex; } int unavailableSeconds = ex.getUnavailableSeconds(); if (unavailableSeconds <= 0) { unavailableSeconds = 60; // Arbitrary default } available = System.currentTimeMillis() + (unavailableSeconds * 1000L); response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, ex.getMessage()); } catch (ServletException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (IOException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (IllegalStateException ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw ex; } catch (Exception ex) { if (options.getDevelopment()) { throw handleJspException(ex); } throw new JasperException(ex); } }
public void service(HttpServletRequest request, HttpServletResponse response, boolean precompile) throws ServletException, IOException, FileNotFoundException { try { if (ctxt.isRemoved()) { throw new FileNotFoundException(jspUri); } if ((available > 0L) && (available < Long.MAX_VALUE)) { response.setDateHeader("Retry-After", available); response.sendError( HttpServletResponse.SC_SERVICE_UNAVAILABLE, Localizer.getMessage("jsp.error.unavailable")); } if (options.getDevelopment() || firstTime) { synchronized (this) { ctxt.compile(); } } if (reload) { getServlet(); } // If a page is to only to be precompiled return. if (precompile) { return; } if (theServlet instanceof SingleThreadModel) { // sync on the wrapper so that the freshness // of the page is determined right before servicing synchronized (this) { theServlet.service(request, response); } } else { theServlet.service(request, response); } } catch (UnavailableException ex) { String includeRequestUri = (String) request.getAttribute("javax.servlet.include.request_uri"); if (includeRequestUri != null) { // This file was included. Throw an exception as // a response.sendError() will be ignored by the // servlet engine. throw ex; } else { int unavailableSeconds = ex.getUnavailableSeconds(); if (unavailableSeconds <= 0) { unavailableSeconds = 60; // Arbitrary default } available = System.currentTimeMillis() + (unavailableSeconds * 1000L); response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, ex.getMessage()); } } catch (FileNotFoundException ex) { String includeRequestUri = (String) request.getAttribute("javax.servlet.include.request_uri"); if (includeRequestUri != null) { // This file was included. Throw an exception as // a response.sendError() will be ignored by the // servlet engine. throw new ServletException(ex); } else { try { response.sendError(HttpServletResponse.SC_NOT_FOUND, ex.getMessage()); } catch (IllegalStateException ise) { log.error(Localizer.getMessage("jsp.error.file.not.found", ex.getMessage()), ex); } } } catch (ServletException ex) { throw ex; } catch (IOException ex) { throw ex; } catch (IllegalStateException ex) { throw ex; } catch (Exception ex) { throw new JasperException(ex); } }