public String getTitle() { LinkedList<Throwable> stack = getStack(); if (stack.isEmpty()) { return "NO EXCEPTION"; } else { return getTitle(stack.removeFirst()); } }
public Writer getErrorReport( Writer to, final HttpServletRequest request, CharTransformer escape) throws IOException { final Writer logMsg = new StringWriter(); final Writer tee = new org.mmbase.util.ChainedWriter(to, logMsg); Writer msg = tee; LinkedList<Throwable> stack = getStack(); String ticket = new Date().toString(); Map<String, String> props; try { props = org.mmbase.util.ApplicationContextReader.getProperties("mmbase_errorpage"); } catch (javax.naming.NamingException ne) { props = Collections.emptyMap(); log.info(ne); } if (request != null) { { msg.append("Headers\n----------\n"); // request properties for (Object name : Collections.list(request.getHeaderNames())) { msg.append( escape.transform( name + ": " + escape.transform(request.getHeader((String) name)) + "\n")); } } { msg.append("\nAttributes\n----------\n"); Pattern p = requestIgnore; if (p == null && props.get("request_ignore") != null) { p = Pattern.compile(props.get("request_ignore")); } for (Object name : Collections.list(request.getAttributeNames())) { if (p == null || !p.matcher((String) name).matches()) { msg.append( escape.transform(name + ": " + request.getAttribute((String) name) + "\n")); } } } if (Boolean.TRUE.equals(showSession) || (showSession == null && !"false".equals(props.get("show_session")))) { HttpSession ses = request.getSession(false); if (ses != null) { msg.append("\nSession\n----------\n"); Pattern p = sessionIgnore; if (p == null && props.get("session_ignore") != null) { p = Pattern.compile(props.get("session_ignore")); } for (Object name : Collections.list(ses.getAttributeNames())) { if (p == null || !p.matcher((String) name).matches()) { msg.append(escape.transform(name + ": " + ses.getAttribute((String) name) + "\n")); } } } } } msg.append("\n"); msg.append("Misc. properties\n----------\n"); if (request != null) { msg.append("method: ").append(escape.transform(request.getMethod())).append("\n"); msg.append("querystring: ").append(escape.transform(request.getQueryString())).append("\n"); msg.append("requesturl: ") .append(escape.transform(request.getRequestURL().toString())) .append("\n"); } if (Boolean.TRUE.equals(showMMBaseVersion) || (showMMBaseVersion == null && !"false".equals(props.get("show_mmbase_version")))) { msg.append("mmbase version: ").append(org.mmbase.Version.get()).append("\n"); } msg.append("status: ").append("").append(String.valueOf(status)).append("\n\n"); if (request != null) { msg.append("Parameters\n----------\n"); // request parameters Enumeration en = request.getParameterNames(); while (en.hasMoreElements()) { String name = (String) en.nextElement(); msg.append(name) .append(": ") .append(escape.transform(request.getParameter(name))) .append("\n"); } } msg.append("\nException ") .append(ticket) .append("\n----------\n\n") .append( exception != null ? (escape.transform(exception.getClass().getName())) : "NO EXCEPTION") .append(": "); int wroteCauses = 0; while (!stack.isEmpty()) { Throwable t = stack.removeFirst(); // add stack stacktraces if (t != null) { if (stack.isEmpty()) { // write last message always msg = tee; } String message = t.getMessage(); if (msg != tee) { to.append("\n=== skipped(see log) : ") .append(escape.transform(t.getClass().getName())) .append(": ") .append(message) .append("\n"); } msg.append("\n\n").append(escape.transform(t.getClass().getName() + ": " + message)); StackTraceElement[] stackTrace = t.getStackTrace(); for (StackTraceElement e : stackTrace) { msg.append("\n at ").append(escape.transform(e.toString())); } if (!stack.isEmpty()) { msg.append("\n-------caused:\n"); } wroteCauses++; if (wroteCauses >= MAX_CAUSES) { msg = logMsg; } } } // write errors to log if (status == 500) { try { if (props.get("to") != null && props.get("to").length() > 0) { javax.naming.Context initCtx = new javax.naming.InitialContext(); javax.naming.Context envCtx = (javax.naming.Context) initCtx.lookup("java:comp/env"); Object mailSession = envCtx.lookup("mail/Session"); Class sessionClass = Class.forName("javax.mail.Session"); Class recipientTypeClass = Class.forName("javax.mail.Message$RecipientType"); Class messageClass = Class.forName("javax.mail.internet.MimeMessage"); Object mail = messageClass.getConstructor(sessionClass).newInstance(mailSession); messageClass .getMethod("addRecipients", recipientTypeClass, String.class) .invoke(mail, recipientTypeClass.getDeclaredField("TO").get(null), props.get("to")); messageClass.getMethod("setSubject", String.class).invoke(mail, ticket); mail.getClass().getMethod("setText", String.class).invoke(mail, logMsg.toString()); Class.forName("javax.mail.Transport") .getMethod("send", Class.forName("javax.mail.Message")) .invoke(null, mail); tee.append("\nmailed to (").append(String.valueOf(props)).append(")"); } } catch (Exception nnfe) { tee.append("\nnot mailed (").append(String.valueOf(nnfe)).append(")"); if (log.isDebugEnabled()) { log.debug(nnfe.getMessage(), nnfe); } } log.error("TICKET " + ticket + ":\n" + logMsg); } return to; }