Example #1
0
  /**
   * This method duplicates the functionality of ExceptionUtils.describeStackLevels which is no
   * longer supported in Rice.
   *
   * @param fromLevel
   * @param toLevel
   * @return
   */
  public static String getMethodPath(int fromLevel, int toLevel) {
    StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
    // increase the levels to avoid including the method that called this.
    fromLevel = fromLevel + 1;
    toLevel = toLevel + 1;

    if (fromLevel <= 0) {
      throw new IllegalArgumentException("invalid fromLevel (" + fromLevel + " < 0)");
    }
    if (fromLevel > toLevel) {
      throw new IllegalArgumentException(
          "invalid levels (fromLevel " + fromLevel + " > toLevel " + toLevel + ")");
    }
    if (toLevel >= stackTraceElements.length) {
      throw new IllegalArgumentException(
          "invalid toLevel (" + toLevel + " >= " + stackTraceElements.length + ")");
    }

    StringBuffer result = new StringBuffer();
    int elementIndex = 0;
    for (StackTraceElement element : stackTraceElements) {
      if (elementIndex >= fromLevel && elementIndex >= toLevel) {
        if (result.length() > 0) {
          result.append(" from ");
        }
        result.append(element.getClassName()).append(".");
        result.append(element.getMethodName()).append("(");
        result.append(element.getFileName()).append(":");
        result.append(element.getLineNumber()).append(")");
      }
      elementIndex++;
    }
    return result.toString();
  }
Example #2
0
  public void insertListOfCallPoints(@Nullable List<CallPoint> callPoints) {
    if (content.length() == 0) {
      content.append(EOL).append("      ");
    }

    content.append("  <ol style='display:none'>");

    if (callPoints == null) {
      content.append("</ol>").append(EOL).append("      ");
      return;
    }

    content.append(EOL);

    CallPoint currentCP = callPoints.get(0);
    appendTestMethod(currentCP.getStackTraceElement());
    appendRepetitionCountIfNeeded(currentCP);

    for (int i = 1, n = callPoints.size(); i < n; i++) {
      CallPoint nextCP = callPoints.get(i);
      StackTraceElement ste = nextCP.getStackTraceElement();

      if (nextCP.isSameTestMethod(currentCP)) {
        content.append(", ").append(ste.getLineNumber());
      } else {
        content.append("</li>").append(EOL);
        appendTestMethod(ste);
      }

      appendRepetitionCountIfNeeded(nextCP);
      currentCP = nextCP;
    }

    content.append("</li>").append(EOL).append("        </ol>").append(EOL).append("      ");
  }
  /** Checks all of the methods in gen for consistency */
  public static void checkMgens(final ClassGen gen) {

    if (skip_checks) return;

    Method[] methods = gen.getMethods();
    for (int i = 0; i < methods.length; i++) {
      Method method = methods[i];
      // System.out.println ("Checking method " + method + " in class "
      // + gen.getClassName());
      checkMgen(new MethodGen(method, gen.getClassName(), gen.getConstantPool()));
    }

    if (false) {
      Throwable t = new Throwable();
      t.fillInStackTrace();
      StackTraceElement[] ste = t.getStackTrace();
      StackTraceElement caller = ste[1];
      System.out.printf(
          "%s.%s (%s line %d)",
          caller.getClassName(),
          caller.getMethodName(),
          caller.getFileName(),
          caller.getLineNumber());
      for (int ii = 2; ii < ste.length; ii++)
        System.out.printf(" [%s line %d]", ste[ii].getFileName(), ste[ii].getLineNumber());
      System.out.printf("\n");
      dump_methods(gen);
    }
  }
  // Private method to infer the caller's class and method names
  private void inferCaller() {
    needToInferCaller = false;
    // Android-changed: Use VMStack.getThreadStackTrace.
    StackTraceElement[] stack = VMStack.getThreadStackTrace(Thread.currentThread());
    int depth = stack.length;

    boolean lookingForLogger = true;
    for (int ix = 0; ix < depth; ix++) {
      // Calling getStackTraceElement directly prevents the VM
      // from paying the cost of building the entire stack frame.
      //
      // Android-changed: Use value from getThreadStackTrace.
      StackTraceElement frame = stack[ix];
      String cname = frame.getClassName();
      boolean isLoggerImpl = isLoggerImplFrame(cname);
      if (lookingForLogger) {
        // Skip all frames until we have found the first logger frame.
        if (isLoggerImpl) {
          lookingForLogger = false;
        }
      } else {
        if (!isLoggerImpl) {
          // skip reflection call
          if (!cname.startsWith("java.lang.reflect.") && !cname.startsWith("sun.reflect.")) {
            // We've found the relevant frame.
            setSourceClassName(cname);
            setSourceMethodName(frame.getMethodName());
            return;
          }
        }
      }
    }
    // We haven't found a suitable frame, so just punt.  This is
    // OK as we are only committed to making a "best effort" here.
  }
 public final synchronized T getInfo(URI uri, RenderingContext context) {
   T result = cache.get(uri);
   if (result == null) {
     try {
       result = requestInfo(uri, context);
     } catch (Exception e) {
       loader
           .logger()
           .info(
               "Error while getting capabilities for "
                   + uri
                   + ". The print module will assume it's a standard WMS.");
       String stackTrace = "";
       for (StackTraceElement el : e.getStackTrace()) {
         stackTrace += el.toString() + "\n";
       }
       loader.logger().info(stackTrace);
       result = loader.createNewErrorResult();
     }
     if (loader.logger().isDebugEnabled()) {
       loader.logger().debug("GetCapabilities " + uri + ": " + result);
     }
     cache.put(uri, result);
   }
   return result;
 }
Example #6
0
  /**
   * Prints out the given debug message to System.out, prefixed by the calling class name, method
   * and line number, appending the stacktrace of the given exception.
   */
  public static void out(final String _debug_msg, final Throwable _exception) {
    String header = "DEBUG::";
    header = header + new Date(SystemTime.getCurrentTime()).toString() + "::";
    String className;
    String methodName;
    int lineNumber;
    String trace_trace_tail = null;

    try {
      throw new Exception();
    } catch (Exception e) {
      StackTraceElement[] st = e.getStackTrace();

      StackTraceElement first_line = st[2];
      className = first_line.getClassName() + "::";
      methodName = first_line.getMethodName() + "::";
      lineNumber = first_line.getLineNumber();

      trace_trace_tail = getCompressedStackTrace(e, 3, 200, false);
    }

    diagLoggerLogAndOut(header + className + (methodName) + lineNumber + ":", true);
    if (_debug_msg.length() > 0) {
      diagLoggerLogAndOut("  " + _debug_msg, true);
    }
    if (trace_trace_tail != null) {
      diagLoggerLogAndOut("    " + trace_trace_tail, true);
    }
    if (_exception != null) {
      diagLoggerLogAndOut(_exception);
    }
  }
Example #7
0
 private void appendTestMethod(@Nonnull StackTraceElement current) {
   content.append("          <li>");
   content.append(current.getClassName()).append('#');
   content
       .append(LESS_THAN_CHAR.matcher(current.getMethodName()).replaceFirst("&lt;"))
       .append(": ");
   content.append(current.getLineNumber());
 }
Example #8
0
 private static boolean isClassAllowed(Set<String> names) {
   StackTraceElement[] stackTraceElements = new Throwable().getStackTrace();
   for (StackTraceElement stackTraceElement : stackTraceElements) {
     if (isStackElementDebugClassFile(stackTraceElement)) continue;
     return names.contains(stackTraceElement.getClassName());
   }
   return false;
 }
 public static void printElement(Site s, int index) {
   if (s == null || index >= s.site().length) {
     ps.print("(null)");
   } else {
     StackTraceElement e = s.site()[index];
     ps.print(e.getMethodName() + " (" + e.getFileName() + ":" + e.getLineNumber() + ")");
   }
 }
Example #10
0
 private static boolean isStackElementDebugClassFile(StackTraceElement element) {
   StackTraceElement[] stackTraceElements = new Throwable().getStackTrace();
   if (stackTraceElements == null) return false;
   String name = stackTraceElements[0].getFileName();
   if (name == null) return false;
   //noinspection SimplifiableIfStatement
   if (element == null || element.getFileName() == null) return false;
   return element.getFileName().equals(name);
 }
Example #11
0
 /**
  * Gets an approximate source code location for a node if possible.
  *
  * @return a file name and source line number in stack trace format (e.g. "String.java:32") if an
  *     approximate source location is found, null otherwise
  */
 public static String approxSourceLocation(Node node) {
   StackTraceElement[] stackTraceElements = approxSourceStackTraceElement(node);
   if (stackTraceElements != null && stackTraceElements.length > 0) {
     StackTraceElement top = stackTraceElements[0];
     if (top.getFileName() != null && top.getLineNumber() >= 0) {
       return top.getFileName() + ":" + top.getLineNumber();
     }
   }
   return null;
 }
Example #12
0
 private static void dumpStackTrace(StringBuilder sb, StackTraceElement[] stackTrace, int indent) {
   for (int i = 0; i < stackTrace.length; i++) {
     for (int j = 0; j < indent; j++) {
       sb.append(INDENT_STRING);
     }
     StackTraceElement element = stackTrace[i];
     sb.append(element.toString());
     sb.append("\n");
   }
 }
Example #13
0
    void checkThreadInfo(ThreadInfo info) {
      if (!getName().equals(info.getThreadName())) {
        throw new RuntimeException(
            "Name: " + info.getThreadName() + " not matched. Expected: " + getName());
      }

      MonitorInfo[] monitors = info.getLockedMonitors();
      if (monitors.length != OWNED_MONITORS) {
        throw new RuntimeException(
            "Number of locked monitors = "
                + monitors.length
                + " not matched. Expected: "
                + OWNED_MONITORS);
      }
      MonitorInfo m = monitors[0];
      StackTraceElement ste = m.getLockedStackFrame();
      int depth = m.getLockedStackDepth();
      StackTraceElement[] stacktrace = info.getStackTrace();
      if (!ste.equals(stacktrace[depth])) {
        System.out.println("LockedStackFrame:- " + ste);
        System.out.println("StackTrace at " + depth + " :-" + stacktrace[depth]);
        throw new RuntimeException(
            "LockedStackFrame does not match " + "stack frame in ThreadInfo.getStackTrace");
      }

      String className = lock.getClass().getName();
      int hcode = System.identityHashCode(lock);
      if (!className.equals(m.getClassName())
          || hcode != m.getIdentityHashCode()
          || !m.getLockedStackFrame().getMethodName().equals("run")) {
        System.out.println(info);
        throw new RuntimeException("MonitorInfo " + m + " doesn't match.");
      }

      LockInfo[] syncs = info.getLockedSynchronizers();
      if (syncs.length != OWNED_SYNCS) {
        throw new RuntimeException(
            "Number of locked syncs = " + syncs.length + " not matched. Expected: " + OWNED_SYNCS);
      }
      AbstractOwnableSynchronizer s = mutex.getSync();
      String lockName = s.getClass().getName();
      hcode = System.identityHashCode(s);
      if (!lockName.equals(syncs[0].getClassName())) {
        throw new RuntimeException(
            "LockInfo : " + syncs[0] + " class name not matched. Expected: " + lockName);
      }
      if (hcode != syncs[0].getIdentityHashCode()) {
        throw new RuntimeException(
            "LockInfo: " + syncs[0] + " IdentityHashCode not matched. Expected: " + hcode);
      }
      LockInfo li = info.getLockInfo();
      if (li == null) {
        throw new RuntimeException("Expected non-null LockInfo");
      }
    }
Example #14
0
  private static String getStackTraceAsText(Throwable t) {
    StringBuilder builder = new StringBuilder();
    StackTraceElement[] stackTraceElements = t.getStackTrace();

    for (int index = 0; index < stackTraceElements.length; index++) {
      StackTraceElement stackTraceElement = stackTraceElements[index];
      builder.append("   ").append(stackTraceElement.toString()).append('\n');
    }

    return builder.toString();
  }
Example #15
0
  public static void printStackTrace(Throwable e, Object context) {
    String header = "DEBUG::";
    header = header + new Date(SystemTime.getCurrentTime()).toString() + "::";
    String className = "?::";
    String methodName = "?::";
    int lineNumber = -1;

    try {
      throw new Exception();
    } catch (Exception f) {
      StackTraceElement[] st = f.getStackTrace();

      for (int i = 1; i < st.length; i++) {
        StackTraceElement first_line = st[i];
        className = first_line.getClassName() + "::";
        methodName = first_line.getMethodName() + "::";
        lineNumber = first_line.getLineNumber();

        // skip stuff generated by the logger

        if (className.indexOf(".logging.") != -1 || className.endsWith(".Debug::")) {

          continue;
        }

        break;
      }
    }

    diagLoggerLogAndOut(header + className + (methodName) + lineNumber + ":", true);

    try {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();

      PrintWriter pw = new PrintWriter(new OutputStreamWriter(baos));

      if (context != null) {
        pw.print("  ");
        pw.println(context);
      }
      pw.print("  ");
      e.printStackTrace(pw);

      pw.close();

      String stack = baos.toString();

      diagLoggerLogAndOut(stack, true);
    } catch (Throwable ignore) {

      e.printStackTrace();
    }
  }
Example #16
0
 private static void printElementInfo(OutputStream stream, StackTraceElement element) {
   print(stream, element.getClassName());
   print(stream, ":");
   print(stream, element.getMethodName());
   print(stream, " ");
   print(stream, "(");
   print(stream, element.getFileName());
   print(stream, ":");
   print(stream, element.getLineNumber());
   print(stream, ")");
   printNewLine(stream);
 }
Example #17
0
 protected static String printException(Throwable ex) throws IOException {
   if (ex == null) return null;
   StackTraceElement[] stack_trace = ex.getStackTrace();
   StringBuilder sb = new StringBuilder();
   sb.append("\n<" + CDATA + "\n");
   sb.append(ex.getClass().getName() + " \n");
   for (int i = 0; i < stack_trace.length; i++) {
     StackTraceElement frame = stack_trace[i];
     sb.append("at " + frame.toString() + " \n");
   }
   sb.append("\n]]>");
   return sb.toString();
 }
 @Override
 public int hashCode() {
   if (hashCode == 0) {
     int res = 1 + site.length * 17;
     int max = Math.max(site.length, 10);
     for (int i = offset; i < max; i++) {
       StackTraceElement e = site[i];
       int lineNumber = e.getLineNumber();
       res = res * 19 + 31 * lineNumber;
     }
     hashCode = res;
   }
   return hashCode;
 }
Example #19
0
 protected String getTitle(Throwable t) {
   String message = t.getMessage();
   String tit = message;
   if (tit == null) {
     StackTraceElement el = t.getStackTrace()[0];
     tit =
         t.getClass().getName().substring(t.getClass().getPackage().getName().length() + 1)
             + " "
             + el.getFileName()
             + ":"
             + el.getLineNumber();
   }
   return tit;
 }
Example #20
0
 private static void printThrowable(OutputStream stream, Throwable throwable) {
   printBytes(stream, ("Exception " + throwable.toString()).getBytes());
   printNewLine(stream);
   StackTraceElement[] stackTraceElements = throwable.getStackTrace();
   for (int i = stackTraceElements.length - 1; i >= 0; i--) {
     StackTraceElement element = stackTraceElements[i];
     printBytes(stream, element.getFileName().getBytes());
     printBytes(stream, ":".getBytes());
     printBytes(stream, String.valueOf(element.getLineNumber()).getBytes());
     printNewLine(stream);
   }
   if (throwable.getCause() != null) {
     printBytes(stream, "Caused by:\n".getBytes());
     printThrowable(stream, throwable.getCause());
   }
 }
 public static void printElements(Site s, int index, int nelems) {
   if (s == null || index >= s.site().length) {
     ps.print("(null)");
   } else {
     for (int i = 0; i < nelems; i++) {
       int j = index + i;
       if (j >= s.site().length) {
         break;
       }
       if (i > 0) {
         ps.print(", ");
       }
       StackTraceElement e = s.site()[j];
       ps.print(e.getMethodName() + " (" + e.getFileName() + ":" + e.getLineNumber() + ")");
     }
   }
 }
Example #22
0
  private void sendFailedEmail(Exception ex, String to) {
    String subject = "WaterSMART processing failed";
    StringBuilder content = new StringBuilder();
    content.append("Your request unfortunately failed, we are looking into it.");
    content.append("\n\tUpload: ").append((uploadSuccessful) ? "success" : "failure");
    content.append("\n\tParse: ").append((netcdfSuccessful) ? "success" : "failure");
    content.append("\n\tStatistics: ").append((rStatsSuccessful) ? "success" : "failure");
    content.append("\n\tMetadata: ").append((cswTransSuccessful) ? "success" : "failure");

    RunMetadata metaObj = RunMetadata.getInstance(metadata);
    content.append("\n\n\tFile: ").append(metaObj.getFileName());
    content.append("\n\tModeler: ").append(metaObj.getName());
    content.append("\n\tComments: ").append(metaObj.getComments());
    content.append("\n\tDate: ").append(metaObj.getCreationDate());

    content.append("\n\nthe application failed with message: ").append(ex.getMessage());

    content.append("\n\nhere is the stack trace for troubleshooting:\n\n");
    for (StackTraceElement el : ex.getStackTrace()) {
      content.append(el.toString()).append("\n");
    }
    List<String> bcc = new ArrayList<String>();
    String from = props.getProperty("watersmart.email.from");
    String bccAddr = props.getProperty("watersmart.email.tracker");
    if (!"".equals(bccAddr)) {
      bcc.add(bccAddr);
    }
    EmailMessage message = new EmailMessage(from, to, null, bcc, subject, content.toString());
    try {
      EmailHandler.sendMessage(message);
    } catch (AddressException ex1) {
      log.error(
          "Unable to send failed e-mail:\n"
              + message
              + "\n\nOriginal Exception:\n"
              + ex.getMessage(),
          ex1);
    } catch (MessagingException ex1) {
      log.error(
          "Unable to send failed e-mail:\n"
              + message
              + "\n\nOriginal Exception:\n"
              + ex.getMessage(),
          ex1);
    }
  }
    public static void printSite(Site s, StringBuilder out) {
      if (s == null) {
        out.append("(null)");
        return;
      }
      StackTraceElement[] st = s.site();

      int interestingSitesPrinted = 0;
      for (int i = s.offset; i < st.length; i++) {
        StackTraceElement e = st[i];
        String fileName = e.getFileName();
        if (THIS_FILE_NAME.equals(fileName)) {
          continue;
        }
        out.append(" " + e.getMethodName() + "(" + e.getFileName() + ":" + e.getLineNumber() + ")");
        interestingSitesPrinted++;
        if (interestingSitesPrinted <= SITES_TO_PRINT) {
          continue;
        }
        if (fileName == null || "View.java".equals(fileName)) {
          continue;
        }
        String methodName = e.getMethodName();
        if (skipMethods.contains(methodName)) {
          continue;
        }
        break;
      }
    }
Example #24
0
  protected static boolean wasCalledDuringClassLoading() {
    if (LOCK.isHeldByCurrentThread()) return true;
    LOCK.lock();

    try {
      StackTrace st = new StackTrace(new Throwable());
      int n = st.getDepth();

      for (int i = 3; i < n; i++) {
        StackTraceElement ste = st.getElement(i);

        if ("ClassLoader.java".equals(ste.getFileName())
            && "loadClass".equals(ste.getMethodName())) {
          return true;
        }
      }

      return false;
    } finally {
      LOCK.unlock();
    }
  }
Example #25
0
  private static boolean isIdleThread(ThreadInfo threadInfo) {
    String threadName = threadInfo.getThreadName();

    // NOTE: these are likely JVM dependent
    if (threadName.equals("Signal Dispatcher")
        || threadName.equals("Finalizer")
        || threadName.equals("Reference Handler")) {
      return true;
    }

    for (StackTraceElement frame : threadInfo.getStackTrace()) {
      String className = frame.getClassName();
      String methodName = frame.getMethodName();
      if (className.equals("java.util.concurrent.ThreadPoolExecutor")
          && methodName.equals("getTask")) {
        return true;
      }
      if (className.equals("sun.nio.ch.SelectorImpl") && methodName.equals("select")) {
        return true;
      }
      if (className.equals("org.elasticsearch.threadpool.ThreadPool$EstimatedTimeThread")
          && methodName.equals("run")) {
        return true;
      }
      if (className.equals("org.elasticsearch.indices.ttl.IndicesTTLService$Notifier")
          && methodName.equals("await")) {
        return true;
      }
      if (className.equals("java.util.concurrent.LinkedTransferQueue")
          && methodName.equals("poll")) {
        return true;
      }
    }

    return false;
  }
	@Override
	public boolean handleCommand(final CommandSender sender, final Command command, final String commandLabel, final String[] args)
	{
		boolean disabled = false;
		boolean overridden = false;
		ISettings settings = ess.getSettings();
		settings.acquireReadLock();
		try
		{
			disabled = settings.getData().getCommands().isDisabled(command.getName());
			overridden = !disabled || settings.getData().getCommands().isOverridden(command.getName());
		}
		finally
		{
			settings.unlock();
		}
		// Allow plugins to override the command via onCommand
		if (!overridden && (!commandLabel.startsWith("e") || commandLabel.equalsIgnoreCase(command.getName())))
		{
			final PluginCommand pc = getAlternative(commandLabel);
			if (pc != null)
			{
				
				executed(commandLabel, pc.getLabel());
				try
				{
					return pc.execute(sender, commandLabel, args);
				}
				catch (final Exception ex)
				{
					final ArrayList<StackTraceElement> elements = new ArrayList<StackTraceElement>(Arrays.asList(ex.getStackTrace()));
					elements.remove(0);
					final ArrayList<StackTraceElement> toRemove = new ArrayList<StackTraceElement>();
					for (final StackTraceElement e : elements)
					{
						if (e.getClassName().equals("net.ess3.Essentials"))
						{
							toRemove.add(e);
						}
					}
					elements.removeAll(toRemove);
					final StackTraceElement[] trace = elements.toArray(new StackTraceElement[elements.size()]);
					ex.setStackTrace(trace);
					ex.printStackTrace();
					sender.sendMessage(ChatColor.RED + "An internal error occurred while attempting to perform this command");
					return true;
				}
			}
		}

		try
		{
			IUser user = null;
			if (sender instanceof Player)
			{
				user = ess.getUserMap().getUser((Player)sender);
				LOGGER.log(Level.INFO, String.format("[PLAYER_COMMAND] %s: /%s %s ", ((Player)sender).getName(), commandLabel, EssentialsCommand.getFinalArg(args, 0)));
			}

			// Check for disabled commands
			if (disabled)
			{
				return true;
			}

			final String commandName = command.getName().toLowerCase(Locale.ENGLISH);
			IEssentialsCommand cmd = commands.get(commandName);
			if (cmd == null)
			{
				try
				{
					cmd = (IEssentialsCommand)classLoader.loadClass(commandPath + commandName).newInstance();
					cmd.init(ess, commandName);
					cmd.setEssentialsModule(module);
					commands.put(commandName, cmd);
				}
				catch (Exception ex)
				{
					sender.sendMessage(_("commandNotLoaded", commandName));
					LOGGER.log(Level.SEVERE, _("commandNotLoaded", commandName), ex);
					return true;
				}
			}

			// Check authorization
			if (sender != null && !cmd.isAuthorized(sender))
			{
				LOGGER.log(Level.WARNING, _("deniedAccessCommand", user.getName()));
				user.sendMessage(_("noAccessCommand"));
				return true;
			}

			// Run the command
			try
			{
				if (user == null)
				{
					cmd.run(sender, command, commandLabel, args);
				}
				else
				{
					user.acquireReadLock();
					try
					{
						cmd.run(user, command, commandLabel, args);
					}
					finally
					{
						user.unlock();
					}
				}
				return true;
			}
			catch (NoChargeException ex)
			{
				return true;
			}
			catch (NotEnoughArgumentsException ex)
			{
				sender.sendMessage(command.getDescription());
				sender.sendMessage(command.getUsage().replaceAll("<command>", commandLabel));
				if (!ex.getMessage().isEmpty())
				{
					sender.sendMessage(ex.getMessage());
				}
				return true;
			}
			catch (Throwable ex)
			{
				showCommandError(sender, commandLabel, ex);
				return true;
			}
		}
		catch (Throwable ex)
		{
			LOGGER.log(Level.SEVERE, _("commandFailed", commandLabel), ex);
			return true;
		}
	}
Example #27
0
    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;
    }
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws IOException, ServletException {

    try {

      response.setHeader("Cache-Control", "no-cache");
      response.setCharacterEncoding("UTF-8");

      String task = request.getParameter("task");

      Element data = null;

      // process help request
      if (request.getParameter("help") != null) data = getDescription(task);

      // redirect to home page if there is no task
      if (data == null && task == null) {
        response.setContentType("text/html");
        response
            .getWriter()
            .append(
                "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\"><html><head><meta http-equiv=\"REFRESH\" content=\"0;url="
                    + context.getInitParameter("server_path")
                    + "></head><body></body></html>");
        return;
      }

      // process definition request
      if (data == null && task.equals("define")) {
        int id = resolveIntegerArg(request.getParameter("id"), -1);
        int length = resolveIntegerArg(request.getParameter("length"), definer.getDefaultLength());
        int format = resolveIntegerArg(request.getParameter("format"), definer.getDefaultFormat());
        int maxImageWidth =
            resolveIntegerArg(
                request.getParameter("maxImageWidth"), definer.getDefaultMaxImageWidth());
        int maxImageHeight =
            resolveIntegerArg(
                request.getParameter("maxImageHeight"), definer.getDefaultMaxImageHeight());
        int linkDestination =
            resolveIntegerArg(
                request.getParameter("linkDestination"), definer.getDefaultLinkDestination());
        boolean getImages = resolveBooleanArg(request.getParameter("getImages"), false);

        data =
            definer.getDefinition(
                id, length, format, linkDestination, getImages, maxImageWidth, maxImageHeight);
      }

      // all of the remaining tasks require data to be cached, so lets make sure that is finished
      // before continuing.
      if (!cachingThread.isOk()) throw new ServletException("Could not cache wikipedia data");

      double progress = cachingThread.getProgress();
      if (data == null && (progress < 1 || task.equals("progress"))) {
        // still caching up data, not ready to return a response yet.

        data = doc.createElement("loading");
        data.setAttribute("progress", df.format(progress));
        task = "loading";
      }

      // process search request
      if (data == null && task.equals("search")) {
        String term = request.getParameter("term");
        String id = request.getParameter("id");
        int linkLimit =
            resolveIntegerArg(request.getParameter("linkLimit"), searcher.getDefaultMaxLinkCount());
        int senseLimit =
            resolveIntegerArg(
                request.getParameter("senseLimit"), searcher.getDefaultMaxSenseCount());

        if (id == null) data = searcher.doSearch(term, linkLimit, senseLimit);
        else data = searcher.doSearch(Integer.parseInt(id), linkLimit);
      }

      // process compare request
      if (data == null && task.equals("compare")) {
        String term1 = request.getParameter("term1");
        String term2 = request.getParameter("term2");
        int linkLimit =
            resolveIntegerArg(request.getParameter("linkLimit"), comparer.getDefaultMaxLinkCount());
        boolean details =
            resolveBooleanArg(request.getParameter("details"), comparer.getDefaultShowDetails());

        data = comparer.getRelatedness(term1, term2, details, linkLimit);
      }

      // process wikify request
      if (data == null && task.equals("wikify")) {

        if (this.wikifier == null)
          throw new ServletException(
              "Wikifier is not available. You must configure the servlet so that it has access to link detection and disambiguation models.");

        String source = request.getParameter("source");
        int sourceMode =
            resolveIntegerArg(request.getParameter("sourceMode"), Wikifier.SOURCE_AUTODETECT);
        String linkColor = request.getParameter("linkColor");
        String baseColor = request.getParameter("baseColor");
        double minProb =
            resolveDoubleArg(
                request.getParameter("minProbability"), wikifier.getDefaultMinProbability());
        int repeatMode =
            resolveIntegerArg(request.getParameter("repeatMode"), wikifier.getDefaultRepeatMode());
        boolean showTooltips =
            resolveBooleanArg(
                request.getParameter("showTooltips"), wikifier.getDefaultShowTooltips());
        String bannedTopics = request.getParameter("bannedTopics");

        boolean wrapInXml = resolveBooleanArg(request.getParameter("wrapInXml"), true);

        if (wrapInXml) {
          data =
              wikifier.wikifyAndWrapInXML(
                  source,
                  sourceMode,
                  minProb,
                  repeatMode,
                  bannedTopics,
                  baseColor,
                  linkColor,
                  showTooltips);
        } else {
          response.setContentType("text/html");
          response
              .getWriter()
              .append(
                  wikifier.wikify(
                      source,
                      sourceMode,
                      minProb,
                      repeatMode,
                      bannedTopics,
                      baseColor,
                      linkColor,
                      showTooltips));
          return;
        }
      }

      if (data == null) throw new Exception("Unknown Task");

      // wrap data
      Element wrapper = doc.createElement("WikipediaMinerResponse");
      wrapper.setAttribute("server_path", context.getInitParameter("server_path"));
      wrapper.setAttribute("service_name", context.getInitParameter("service_name"));
      wrapper.appendChild(data);

      data = wrapper;

      // Transform or serialize xml data as appropriate

      Transformer tf = null;

      if (request.getParameter("xml") == null) {
        // we need to transform the data into html
        tf = transformersByName.get(task);

        if (request.getParameter("help") != null) tf = transformersByName.get("help");
      }

      if (tf == null) {
        // we need to serialize the data as xml
        tf = transformersByName.get("serializer");
        response.setContentType("application/xml");
      } else {
        // output will be transformed to html
        response.setContentType("text/html");
        response
            .getWriter()
            .append(
                "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
      }

      tf.transform(new DOMSource(data), new StreamResult(response.getWriter()));

    } catch (Exception error) {
      response.reset();
      response.setContentType("application/xml");
      response.setHeader("Cache-Control", "no-cache");
      response.setCharacterEncoding("UTF8");

      Element xmlError = doc.createElement("Error");
      if (error.getMessage() != null) xmlError.setAttribute("message", error.getMessage());

      Element xmlStackTrace = doc.createElement("StackTrace");
      xmlError.appendChild(xmlStackTrace);

      for (StackTraceElement ste : error.getStackTrace()) {

        Element xmlSte = doc.createElement("StackTraceElement");
        xmlSte.setAttribute("message", ste.toString());
        xmlStackTrace.appendChild(xmlSte);
      }
      try {
        transformersByName
            .get("serializer")
            .transform(new DOMSource(xmlError), new StreamResult(response.getWriter()));
      } catch (Exception e) {
        // TODO: something for when an error is thrown processing an error????

      }
      ;
    }
  }
Example #29
0
 /** Dumps stacktrace to log */
 public static void dumpStackTrace() {
   for (StackTraceElement el : Thread.currentThread().getStackTrace()) {
     SimpleClans.debug(el.toString());
   }
 }
Example #30
0
 private static final String threadRootClass() {
   StackTraceElement[] trace = Thread.currentThread().getStackTrace();
   StackTraceElement elem = trace[trace.length - 1];
   String clazz = elem.getClassName();
   return clazz;
 }