below if client code config
KubernetesConnectionConfiguration kcfg = new KubernetesConnectionConfiguration();
kcfg.setNamespace(igniteK8sNameSpace);
kcfg.setServiceName(igniteK8sServiceName);
cfg.setAddressesFinder(new ThinClientKubernetesAddressFinder(kcfg));
cfg.setRetryPolicy(new ClientRetryAllPolicy());
after ignite pod restart
client throw Exception
org.apache.ignite.client.ClientConnectionException: Connection timed out
at org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:144)
at org.apache.ignite.internal.client.thin.TcpClientChannel.<init>(TcpClientChannel.java:178)
at org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:917)
at org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:898)
at org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.access$200(ReliableChannel.java:847)
at org.apache.ignite.internal.client.thin.ReliableChannel.applyOnDefaultChannel(ReliableChannel.java:759)
at org.apache.ignite.internal.client.thin.ReliableChannel.applyOnDefaultChannel(ReliableChannel.java:731)
at org.apache.ignite.internal.client.thin.ReliableChannel.service(ReliableChannel.java:167)
at org.apache.ignite.internal.client.thin.ReliableChannel.request(ReliableChannel.java:288)
at org.apache.ignite.internal.client.thin.TcpIgniteClient.getOrCreateCache(TcpIgniteClient.java:185)
and i use retry to reconnect and print clientConfiguration.getAddressesFinder().getAddresses() and it address is pod address,but client not reconnect
while (retryTimeTmp < retryTimes) {
try {
return igniteClient.getOrCreateCache(new ClientCacheConfiguration()
.setName(cacheName)
.setAtomicityMode(TRANSACTIONAL)
.setCacheMode(PARTITIONED)
.setBackups(2)
.setWriteSynchronizationMode(PRIMARY_SYNC));
}catch (Exception e) {
LOGGER.error("get cache [{}] not success", cacheName, e);
LOGGER.error("get address info [{}], ipfinder [{}]", clientConfiguration.getAddresses(), clientConfiguration.getAddressesFinder().getAddresses());
retrySleep();
} finally {
retryTimeTmp++;
}
https://github.com/apache/ignite/pull/10110.
I pull request and fix this issue
Related
I am using CloseableHttpAsyncClient for downloading image with socketreadtimemout of 10 sec , connect timeout 5sec and doing a retry if it fails with sockettimeout and Timeout exception.
Now when the url is not accessible(404) then instead of resource not found exception it is failing with socket timeout and doing a retry again.So in my case for this invalid url also we are trying again and it adds up to the latency(~10+10=20 sec).
Below is the code snippet
Future<HttpResponse> httpResponseFuture = asyncCloseableHttpClient.execute(httpUriRequest, null);
try {
return httpResponseFuture.get(10000, TimeUnit.MILLISECONDS);
} catch (ExecutionException e) {
Throwable cause = e.getCause() != null ? e.getCause() : e;
if (cause instanceof ConnectException) {
throw new DownloadConnectionException("ConnectionException " + cause, DOWNLOAD_FAILED, cause);
}
if (cause instanceof SocketTimeoutException) {
throw new DownloadTimeoutException(DOWNLOAD_TIMEOUT_EXCEPTION);
}
if (cause instanceof ConnectionClosedException) {
throw new DownloadConnectionClosedException("ConnectionClosedException " + DOWNLOAD_FAILED, cause);
}
if(cause instanceof UnsupportedCharsetException) {
throw new BadRequestException("Image download failed with UnsupportedCharsetException " + cause,
INVALID_CONTENT_TYPE_EXCEPTION, cause);
}
} catch (TimeoutException e) {
throw new DownloadTimeoutException(DOWNLOAD_TIMEOUT_EXCEPTION);
}
This the config values for CloseableHttpAsyncClient
RequestConfig config = RequestConfig.custom()
.setSocketTimeout(10000)
.setConnectTimeout(5000)
.setRedirectsEnabled(true)
.setMaxRedirects(3)
.setStaleConnectionCheckEnabled(false) // never set this to true, 30 ms extra per request
.setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
.build();
This is retry config
RetryConfig.custom().maxAttempts(downloadAttempts).retryOnException(e -> ( e instanceof DownloadTimeoutException) ) .waitDuration(Duration.ofMillis(30)).build();
To give more context why I am setting the socketreadtimemout of 10 sec because let's say for some bigger image download it may fail 1st time,so in that case retry is valid scenario but not in the resource not found case.
Can we do anything to make resource not found/invalid url fail fast so that it wont fail with sockettimeout exception.
We are trying to create a Kafka client using Deno and TCP sockets. As a first step, we are trying to ping a broker we have running on a docker instance using the below code:
import {
Client,
Packet,
Event,
} from 'https://deno.land/x/tcp_socket#0.0.1/mods.ts';
const client = new Client({
hostname: 'localhost',
port: 9092,
});
for (let i = 0; i < 2; i++) {
// Connection open
client.on(Event.connect, (client: Client) => {
console.log('Connect', client.conn?.remoteAddr);
});
// Receive message
client.on(Event.receive, (client: Client, data: Packet) => {
console.log('Receive', data.toString());
});
// Connection close
client.on(Event.close, (client: Client) => {
console.log('Close');
});
// Handle error
client.on(Event.error, (e) => {
console.error(e);
});
// Do
await client.connect(); // Start client connect
await client.write('Hello World'); // Send string data
await client.write(new Uint8Array()); // Send Uint8Array data
client.close();
}
We are successfully pinging the broker, but receive the following error:
[2021-08-13 00:20:36,472] WARN Unexpected error from /172.20.0.1; closing connection (org.apache.kafka.common.network.Selector)
org.apache.kafka.common.network.InvalidReceiveException: Invalid receive (size = 1214606444 larger than 104857600)
at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:91)
at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71)
at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:169)
at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:150)
at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:365)
at org.apache.kafka.common.network.Selector.poll(Selector.java:313)
at kafka.network.Processor.poll(SocketServer.scala:494)
at kafka.network.Processor.run(SocketServer.scala:432)
at java.lang.Thread.run(Thread.java:745)
[2021-08-13 00:28:19,708] INFO [Group Metadata Manager on Broker 0]: Removed 0 expired offsets in 0 milliseconds. (kafka.coordinator.GroupMetadataManager)
We understand that this is due to a protocol issue and are trying to determine what the best way forward is to address this issue. Any help would be greatly appreciated
I am trying to use SSL over eventbus. To test the failure case I tried sending message to the eventbus from another verticle in same cluster by passing some different keystore.
I am getting below exception on console but it is not failing the replyHandler hence my code is not able to detect the SSL exception.
my code:
eb.request("ping-address", "ping!", new DeliveryOptions(), reply -> {
try {
if (reply.succeeded()) {
System.out.println("Received reply " + reply.result().body());
} else {
System.out.println("An exception " + reply.cause().getMessage());
}
} catch (Exception e) {
System.out.println("An error occured" + e.getCause());
}
});
Exception on console:
**javax.net.ssl.SSLHandshakeException: Failed to create SSL connection**
at io.vertx.core.net.impl.ChannelProvider$1.userEventTriggered(ChannelProvider.java:109)
at io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:341)
at io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:327)
at io.netty.channel.AbstractChannelHandlerContext.fireUserEventTriggered(AbstractChannelHandlerContext.java:319)
at io.netty.handler.ssl.SslHandler.handleUnwrapThrowable(SslHandler.java:1249)
at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1230)
at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1271)
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:505)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:444)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:283)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1422)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:931)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
at io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:813)
Caused by: javax.net.ssl.SSLException: Received fatal alert: bad_certificate
at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1647)
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1615)
at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1781)
at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1070)
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:896)
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:766)
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
at io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:282)
at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1329)
at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1224)
... 20 more
But handler is failing for timeout after 30 sec.
Timed out after waiting 30000(ms) for a reply. address: __vertx.reply.8419a431-d633-4ba8-a12e-c41fd5a4f37a, repliedAddress: ping-address
I want to capture the SSL exception immediately and handle it. Please guide me how can I Capture/catch this exception.
I tried with below code. Below one is able to handle the exception and I am not getting reply result from called event-bus. Reply result is always null. (value is always null)
MessageProducer<Object> ms = eb.sender("ping-address");
ms.write("ping!", reply -> {
if (reply.succeeded()) {
reply.map(value -> {
System.out.println("Received reply " + value);
return reply;
});
} else {
System.out.println("No reply");
System.out.println("An exception : " + reply.cause().getMessage());
}
});
You can't catch this exception because the Vert.x clustered EventBus implementation buffers messages when the nodes are not connected together. The message could be sent later if the problem is only temporary.
If you want to be notified earlier, you could set a lower timeout in DeliveryOptions.
I am setting up a chat service using ejabberd and building an XMPP client for android devices using smack.
Here are some important details.
server OS: ubuntu 18.04
server hosted as localhost (jid format: alice#localhost).
server system IP : 192.168.4.162
Client:
Smack 4.3.1
Using external phone through USB debugging : Nokia 3.1 Plus.
Here is my code
Here are some of the configurations I tried.
private class MyLoginTask extends AsyncTask<String, String, String> {
#Override
protected String doInBackground(String... params) {
// Create a connection to the jabber.org server.
InetAddress addr = null;
try{
addr = InetAddress.getByName("192.168.4.162");
}catch(UnknownHostException e){
e.printStackTrace();
}
XMPPTCPConnectionConfiguration config = null;
DomainBareJid serviceName = null;
try{
serviceName = JidCreate.domainBareFrom("localhost");
System.out.println("serviceName: "+serviceName);
}catch(XmppStringprepException e){
e.printStackTrace();
}
HostnameVerifier verifier = new HostnameVerifier() {
#Override
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
// ConnectionConfiguration connConfig = new ConnectionConfiguration("talk.google.com", PORT, SERVICE);
try{
config = XMPPTCPConnectionConfiguration.builder()
.setUsernameAndPassword("alice", "9009")
.setHost("192.168.4.162")
.setSecurityMode(ConnectionConfiguration.SecurityMode.disabled)
.setXmppDomain("localhost")
.setHostnameVerifier(verifier)
.setHostAddress(addr)
.setPort(5222)
.build();
}catch(XmppStringprepException e){
e.printStackTrace();
}
AbstractXMPPConnection conn1 = new XMPPTCPConnection(config);
try {
System.out.println("Connecting......."); AndroidUsingLinkProperties.setup(getApplicationContext());
conn1.connect().login();
if(conn1.isConnected()) {
Log.w("app", "conn done");
}
conn1.login();
if(conn1.isAuthenticated()) {
Log.w("app", "Auth done");
}
}
catch (Exception e) {
Log.w("app", e.toString());
}
return "";
}
#Override
protected void onPostExecute(String result) {
}
}
The configurations i tried above the result is:
org.jivesoftware.smack.SmackException$ConnectionException: The following addresses failed: '192.168.4.162:5222' failed because: /192.168.4.162 exception: java.net.ConnectException: failed to connect to /192.168.4.162 (port 5222) from /192.168.4.182 (port 39568) after 30000ms: isConnected failed: EHOSTUNREACH (No route to host)
however I am successfully able to build a connection to my server through any other client(psi, gajim, My web app(BOSH connection)).
following may help if networking is the issue:
$ nmap localhost
Starting Nmap 7.80 ( https://nmap.org ) at 2019-08-28 18:00 IST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000056s latency).
Not shown: 992 closed ports
PORT STATE SERVICE
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
631/tcp open ipp
5222/tcp open xmpp-client
5269/tcp open xmpp-server
5280/tcp open xmpp-bosh
8600/tcp open asterix
Nmap done: 1 IP address (1 host up) scanned in 0.09 seconds
I have been there and I found out the accidentally my phone and my ejabberd server were on different network. They should be on the same network as in this case. Make sure you are on same network and this error should go away.
Now a socket in server side binds 192.168.1.69:9000，and then start to listen. Client connects the server using 127.0.0.1:9000. But fail. However,it works when client connect the server using 192.168.1.69:9000. Client and server are both running on the same commputer.My question is: it should be successful When client using loopback address connect the server, but fail.Why?
Server Code:
this.pro_ListenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
this.pro_ListenSocket.ReceiveBufferSize = this.pro_BufferSize;
this.pro_ListenSocket.SendBufferSize = this.pro_BufferSize;
try
{
this.pro_ListenSocket.Bind(new IPEndPoint(this.pro_ServerIP, this.pro_Port));
}
catch (SocketException socketError)
{
return false;
}
catch (Exception)
{
return false;
}
try
{
this.pro_OnRunning = true;
this.pro_ListenSocket.Listen(500);
this.StartToAcceptClient(this.pro_ListenSocket);
}
catch (Exception ex)
{
return false;
}
Loopback is represented as a network adapter, just like any other. You have set your server to only listen for connections on the adapter at 192.168.1.69. If you want your server to listen on additional adapters, the easiest approach is to make it available on all available adapters by specifying the address IPAddress.Any (0.0.0.0).
this.pro_ListenSocket.Bind(new IPEndPoint(IPAddress.Any, this.pro_Port));