@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
e.getCause().printStackTrace();
Channel channel = e.getChannel();
channel.close();
System.out.println("exceptionCaught...");
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Throwable cause = e.getCause();
if (cause instanceof IOException) {
if (cause instanceof ClosedChannelException) {
synchronized (ignoreClosedChannelExceptionLock) {
if (ignoreClosedChannelException > 0) {
ignoreClosedChannelException--;
logger.debug("Swallowing an exception raised while " + "writing non-app data", cause);
return;
}
}
} else if (engine.isOutboundDone()) {
String message = String.valueOf(cause.getMessage()).toLowerCase();
if (IGNORABLE_ERROR_MESSAGE.matcher(message).matches()) {
// It is safe to ignore the 'connection reset by peer' or
// 'broken pipe' error after sending closure_notify.
logger.debug(
"Swallowing a 'connection reset by peer / "
+ "broken pipe' error occurred while writing "
+ "'closure_notify'",
cause);
// Close the connection explicitly just in case the transport
// did not close the connection automatically.
Channels.close(ctx, succeededFuture(e.getChannel()));
return;
}
}
}
ctx.sendUpstream(e);
}
@Override
public void exceptionCaught(final ChannelHandlerContext ctx, final ExceptionEvent event) {
final Throwable e = event.getCause();
final Channel c = event.getChannel();
if (e instanceof RejectedExecutionException) {
LOG.warn(
getPeerUuidLoggingString()
+ "RPC rejected by the executor,"
+ " ignore this if we're shutting down",
e);
} else if (e instanceof ReadTimeoutException) {
LOG.debug(getPeerUuidLoggingString() + "Encountered a read timeout");
// Doing the cleanup here since we want to invalidate all the RPCs right _now_, and not let
// the ReplayingDecoder continue decoding through Channels.close() below.
cleanup(c);
} else {
LOG.error(getPeerUuidLoggingString() + "Unexpected exception from downstream on " + c, e);
// For any other exception, likely a connection error, we clear the leader state
// for those tablets that this TS is the cached leader of.
kuduClient.demoteAsLeaderForAllTablets(this);
}
if (c.isOpen()) {
Channels.close(c); // Will trigger channelClosed(), which will cleanup()
} else { // else: presumably a connection timeout.
cleanup(c); // => need to cleanup() from here directly.
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent exceptionEvent)
throws Exception {
if (LOG.isTraceEnabled()) {
LOG.trace("Exception caught at Channel: " + ctx.getChannel(), exceptionEvent.getCause());
}
if (exceptionHandled) {
// ignore subsequent exceptions being thrown
return;
}
exceptionHandled = true;
Throwable cause = exceptionEvent.getCause();
if (LOG.isDebugEnabled()) {
LOG.debug("Closing channel as an exception was thrown from Netty", cause);
}
Exchange exchange = getExchange(ctx);
AsyncCallback callback = getAsyncCallback(ctx);
// the state may not be set
if (exchange != null && callback != null) {
// set the cause on the exchange
exchange.setException(cause);
// close channel in case an exception was thrown
NettyHelper.close(exceptionEvent.getChannel());
// signal callback
callback.done(false);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel ch = e.getChannel();
Throwable cause = e.getCause();
if (cause instanceof TooLongFrameException) {
sendError(ctx, HttpResponseStatus.BAD_REQUEST);
return;
}
if (cause != null) {
if (cause.getClass().equals(IOException.class)) {
LOGGER.debug("Connection error: " + cause);
StartStopListenerDelegate startStopListenerDelegate =
(StartStopListenerDelegate) ctx.getAttachment();
if (startStopListenerDelegate != null) {
LOGGER.debug("Premature end, stopping...");
startStopListenerDelegate.stop();
}
} else if (!cause.getClass().equals(ClosedChannelException.class)) {
LOGGER.debug("Caught exception: " + cause);
}
}
if (ch.isConnected()) {
sendError(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
e.getChannel().close();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
getLogger(ctx.getChannel()).debug("Error while processing imap request", e.getCause());
if (e.getCause() instanceof TooLongFrameException) {
// Max line length exceeded
// See RFC 2683 section 3.2.1
//
// "For its part, a server should allow for a command line of at
// least
// 8000 octets. This provides plenty of leeway for accepting
// reasonable
// length commands from clients. The server should send a BAD
// response
// to a command that does not end within the server's maximum
// accepted
// command length."
//
// See also JAMES-1190
ImapResponseComposer composer = (ImapResponseComposer) ctx.getAttachment();
composer.untaggedResponse(
ImapConstants.BAD + " failed. Maximum command line length exceeded");
} else {
// logout on error not sure if that is the best way to handle it
final ImapSession imapSession = (ImapSession) attributes.get(ctx.getChannel());
if (imapSession != null) imapSession.logout();
// Make sure we close the channel after all the buffers were flushed out
Channel channel = ctx.getChannel();
if (channel.isConnected()) {
channel.write(ChannelBuffers.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
}
}
}
protected void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (e.getCause() instanceof ReadTimeoutException) {
if (logger.isTraceEnabled()) {
logger.trace("Connection timeout [{}]", ctx.getChannel().getRemoteAddress());
}
ctx.getChannel().close();
} else {
if (!lifecycle.started()) {
// ignore
return;
}
if (!NetworkExceptionHelper.isCloseConnectionException(e.getCause())) {
logger.warn(
"Caught exception while handling client http traffic, closing connection {}",
e.getCause(),
ctx.getChannel());
ctx.getChannel().close();
} else {
logger.debug(
"Caught exception while handling client http traffic, closing connection {}",
e.getCause(),
ctx.getChannel());
ctx.getChannel().close();
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel channel = e.getChannel();
Throwable t = e.getCause();
logger.debug("exception at :{}", channel);
streamClientListener.onException(channel, t);
// super.exceptionCaught(ctx, e);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
logger.warn(
"Unexpected exception from the " + (server ? "server" : "client") + " side",
e.getCause());
exception.compareAndSet(null, e.getCause());
e.getChannel().close();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
if (e.getCause() instanceof IOException) {
LOG.warn("IOException from downstream.", e.getCause());
} else {
LOG.warn("Unexpected exception from downstream.", e.getCause());
}
// Offer default object
answer.offer(false);
Channels.close(e.getChannel());
}
/**
* @see
* org.jboss.netty.channel.SimpleChannelUpstreamHandler#exceptionCaught(org.jboss.netty.channel.ChannelHandlerContext,
* org.jboss.netty.channel.ExceptionEvent)
*/
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent event) {
Throwable cause = event.getCause();
if (being_closed.get() == false) {
if (!(cause instanceof ConnectException)) {
LOG.info("Connection failed:" + client.getRemoteAddr(), cause);
}
client.exceptionChannel(event.getChannel());
client.reconnect();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel ch = e.getChannel();
Throwable cause = e.getCause();
if (cause instanceof TooLongFrameException) {
sendError(ctx, BAD_REQUEST);
return;
}
cause.printStackTrace();
if (ch.isConnected()) {
sendError(ctx, INTERNAL_SERVER_ERROR);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (e.getCause() instanceof JsonParseException) {
BaseTransport.respond(
e.getChannel(), HttpResponseStatus.INTERNAL_SERVER_ERROR, "Broken JSON encoding.");
} else if (e.getCause() instanceof SessionHandler.NotFoundException) {
BaseTransport.respond(
e.getChannel(),
HttpResponseStatus.NOT_FOUND,
"Session not found. Cannot send data to non-existing session.");
} else {
super.exceptionCaught(ctx, e);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent event) {
Throwable cause = event.getCause();
if (!(cause instanceof ConnectException)) {
LOG.info("Connection failed " + client.dstAddressPrefixedName, cause);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel ch = e.getChannel();
Throwable cause = e.getCause();
if (cause instanceof TooLongFrameException) {
sendError(ctx, BAD_REQUEST);
return;
}
LOG.error("Shuffle error: ", cause);
shuffleMetrics.failedOutput();
if (ch.isConnected()) {
LOG.error("Shuffle error " + e);
sendError(ctx, INTERNAL_SERVER_ERROR);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
// На канале произошло исключение. Выводим ошибку, закрываем канал.
// Server.logger.log(Level.WARNING, "Exception from downstream", e.getCause());
ctx.getChannel().close();
log.info("exceptionCaught", e.getCause());
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
try {
e.getChannel().close();
} catch (Exception ex) {
}
}
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
logger.error(
"something goes wrong with channel:{}, exception={}",
ctx.getChannel(),
ExceptionUtils.getStackTrace(e.getCause()));
ctx.getChannel().close();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
final NioSocketChannel ch = (NioSocketChannel) e.getChannel();
final ClientConnection conn = connectionMap.get(ch);
final Throwable t = e.getCause();
if (conn != null && t instanceof Exception) {
runOnCorrectThread(
ch,
new Runnable() {
public void run() {
conn.handleException((Exception) t);
}
});
} else {
log.error("Unhandled exception", t);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
final NioSocketChannel ch = (NioSocketChannel) e.getChannel();
final NetSocket sock = socketMap.get(ch);
ch.close();
final Throwable t = e.getCause();
if (sock != null && t instanceof Exception) {
VertxInternal.instance.executeOnContext(
sock.getContextID(),
new Runnable() {
public void run() {
sock.handleException((Exception) t);
}
});
} else {
t.printStackTrace();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Throwable cause = e.getCause();
if (!(cause instanceof ConnectException)) {
stats.accumulateOutcomeWithDelta(Outcome.UNHANDLED_FAILURE, 0);
}
scheduleReconnect();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel ch = e.getChannel();
Throwable cause = e.getCause();
if (cause instanceof TooLongFrameException) {
sendError(ctx, HttpResponseStatus.BAD_REQUEST);
return;
}
if (cause != null
&& !cause.getClass().equals(ClosedChannelException.class)
&& !cause.getClass().equals(IOException.class)) {
LOGGER.debug("Caught exception", cause);
}
if (ch.isConnected()) {
sendError(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
e.getChannel().close();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (e.getCause() instanceof ClosedChannelException) {
// these are part of life
// XXX Debug logging might be good
return;
}
super.exceptionCaught(ctx, e);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent event) {
Throwable t = event.getCause();
if (t instanceof ConnectException) {
LOG.warn("Connection to pacemaker failed. Trying to reconnect {}", t.getMessage());
} else {
LOG.error("Exception occurred in Pacemaker.", t);
}
client.reconnect();
}
public void exceptionCaught(final ChannelHandlerContext ctx, final ExceptionEvent exceptionEvent)
throws Exception {
Throwable t = exceptionEvent.getCause();
if (t != null && IOException.class.isAssignableFrom(t.getClass())) {
LOG.debug(t, t);
} else {
LOG.debug(t, t);
}
ctx.sendUpstream(exceptionEvent);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
HttpServerChannelHandler handler = (HttpServerChannelHandler) ctx.getAttachment();
if (handler != null) {
handler.exceptionCaught(ctx, e);
} else {
throw new IllegalStateException(
"HttpServerChannelHandler not found as attachment. Cannot handle caught exception.",
e.getCause());
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
final NioSocketChannel ch = (NioSocketChannel) e.getChannel();
final NetSocket sock = socketMap.remove(ch);
ch.close();
final Throwable t = e.getCause();
log.error("Exception on netserver", t);
if (sock != null && t instanceof Exception) {
sock.getContext()
.execute(
new Runnable() {
public void run() {
sock.handleException((Exception) t);
}
});
} else {
// Ignore - any exceptions not associated with any sock (e.g. failure in ssl handshake) will
// be communicated explicitly
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (httpChildChannel != null) {
HttpChildChannel httpChildChannel = this.httpChildChannel;
this.httpChildChannel = null;
if (httpChildChannel.setReadClosed() || httpChildChannel.setWriteClosed()) {
fireExceptionCaught(httpChildChannel, e.getCause());
fireChannelClosed(httpChildChannel);
}
}
Channel channel = ctx.getChannel();
channel.close();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
e.getCause().printStackTrace(System.err);
RedisConnection conn = (RedisConnection) ctx.getChannel().getAttachment();
conn.releaseBroken();
/*
* ChannelFuture future = ctx.getChannel().disconnect();
* future.addListener(new ChannelFutureListener() {
*
* @Override public void operationComplete(ChannelFuture cf) throws
* Exception { RedisConnection conn =
* (RedisConnection)cf.getChannel().getAttachment();
* conn.releaseBroken(); } });
*/
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (e.getCause() instanceof ClosedChannelException) {
// do nothing
} else if (e.getCause() instanceof UnresolvedAddressException) {
logger.error(
"Unable to resolve one of the server addresses: [{}]", e.getCause().getMessage());
} else if (e.getCause() instanceof ConnectException) {
logger.error("Unable to connect: [{}]", e.getCause().getMessage());
} else if (e.getCause().getMessage() != null
&& e.getCause().getMessage().contains("Connection reset by peer")) {
// still do nothing
} else {
super.exceptionCaught(ctx, e);
}
}
