1. Vor kurzem verwende ich Spring-Boot und Spring-Data-Mongo, um Mongodb zu betreiben. Ich überprüfe jeden Morgen den gleichen Fehler. Es wird geschätzt, dass niemand die ganze Nacht auf den Server zugreift Am nächsten Tag greift jemand auf den Server zu. Es tritt ein Fehler auf. 3. Das Fehlerprotokoll lautet: {code...} 4. Versucht...

多半是MongoDB把Java保持的连接踢掉了(状态变成 CLOSE_WAIT ，只能发数据但无法再收到)，可以从两个地方想想办法：把连接池配置好（这个貌似很复杂），或者干脆不用连接池，即 socketKeepAlive 设成 false ；因为你的问题都出现在早上，可以查下MongoDB有没有凌晨重置连接的策略。

java – MongoSocketReadTimeoutException: Zeitüberschreitung beim Empfang einer Nachricht-Fragen und Antworten zum chinesischen PHP-Netzwerk

1. Seit kurzem verwende ich Spring-Boot und Spring-Data-Mongo, um Mongodb zu betreiben

2. Ich überprüfe das Serverprotokoll jeden Morgen und stelle fest, dass derselbe Fehler gemeldet wird. Es wird geschätzt, dass die ganze Nacht niemand auf den Server zugreift. Der Fehler wird auftreten, sobald jemand am nächsten Tag auf den Server zugreift

3. Das Fehlerprotokoll lautet:

07:51:35.185 [cluster-ClusterId{value='59295e6c3532f223626a2ca0', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Exception in monitor thread while connecting to server localhost:27017 
com.mongodb.MongoSocketReadTimeoutException: Timeout while receiving message
    at com.mongodb.connection.InternalStreamConnection.translateReadException(InternalStreamConnection.java:477)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:228)
    at com.mongodb.connection.CommandHelper.receiveReply(CommandHelper.java:134)
    at com.mongodb.connection.CommandHelper.receiveCommandResult(CommandHelper.java:121)
    at com.mongodb.connection.CommandHelper.executeCommand(CommandHelper.java:32)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initializeConnectionDescription(InternalStreamConnectionInitializer.java:85)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initialize(InternalStreamConnectionInitializer.java:45)
    at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:116)
    at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:127)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    at java.net.SocketInputStream.read(SocketInputStream.java:171)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at com.mongodb.connection.SocketStream.read(SocketStream.java:85)
    at com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:494)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:224)
    ... 8 common frames omitted
07:51:31.683 [cluster-ClusterId{value='59295e583532f22362cf3b92', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Exception in monitor thread while connecting to server localhost:27017 
com.mongodb.MongoSocketReadTimeoutException: Timeout while receiving message
    at com.mongodb.connection.InternalStreamConnection.translateReadException(InternalStreamConnection.java:477)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:228)
    at com.mongodb.connection.CommandHelper.receiveReply(CommandHelper.java:134)
    at com.mongodb.connection.CommandHelper.receiveCommandResult(CommandHelper.java:121)
    at com.mongodb.connection.CommandHelper.executeCommand(CommandHelper.java:32)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initializeConnectionDescription(InternalStreamConnectionInitializer.java:85)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initialize(InternalStreamConnectionInitializer.java:45)
    at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:116)
    at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:127)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    at java.net.SocketInputStream.read(SocketInputStream.java:171)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at com.mongodb.connection.SocketStream.read(SocketStream.java:85)
    at com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:494)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:224)
    ... 8 common frames omitted
07:51:35.780 [cluster-ClusterId{value='59295e403532f2236234b535', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Exception in monitor thread while connecting to server localhost:27017 
com.mongodb.MongoSocketReadTimeoutException: Timeout while receiving message
    at com.mongodb.connection.InternalStreamConnection.translateReadException(InternalStreamConnection.java:477)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:228)
    at com.mongodb.connection.CommandHelper.receiveReply(CommandHelper.java:134)
    at com.mongodb.connection.CommandHelper.receiveCommandResult(CommandHelper.java:121)
    at com.mongodb.connection.CommandHelper.executeCommand(CommandHelper.java:32)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initializeConnectionDescription(InternalStreamConnectionInitializer.java:85)
    at com.mongodb.connection.InternalStreamConnectionInitializer.initialize(InternalStreamConnectionInitializer.java:45)
    at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:116)
    at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:127)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    at java.net.SocketInputStream.read(SocketInputStream.java:171)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at com.mongodb.connection.SocketStream.read(SocketStream.java:85)
    at com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:494)
    at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:224)
    ... 8 common frames omitted
08:01:39.239 [cluster-ClusterId{value='59295e583532f22362cf3b92', description='null'}-localhost:27017] INFO  org.mongodb.driver.connection - Opened connection [connectionId{localValue:9, serverValue:828}] to localhost:27017 
08:01:39.248 [cluster-ClusterId{value='59295e583532f22362cf3b92', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[3, 4, 4]}, minWireVersion=0, maxWireVersion=5, maxDocumentSize=16777216, roundTripTimeNanos=340319} 
08:01:39.273 [cluster-ClusterId{value='59295e6c3532f223626a2ca0', description='null'}-localhost:27017] INFO  org.mongodb.driver.connection - Opened connection [connectionId{localValue:7, serverValue:827}] to localhost:27017 
08:01:39.274 [cluster-ClusterId{value='59295e403532f2236234b535', description='null'}-localhost:27017] INFO  org.mongodb.driver.connection - Opened connection [connectionId{localValue:7, serverValue:826}] to localhost:27017 
08:01:39.274 [cluster-ClusterId{value='59295e403532f2236234b535', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[3, 4, 4]}, minWireVersion=0, maxWireVersion=5, maxDocumentSize=16777216, roundTripTimeNanos=105791} 
08:01:39.274 [cluster-ClusterId{value='59295e6c3532f223626a2ca0', description='null'}-localhost:27017] INFO  org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[3, 4, 4]}, minWireVersion=0, maxWireVersion=5, maxDocumentSize=16777216, roundTripTimeNanos=532381}

4. Ich habe einige Lösungen ausprobiert und den Code geändert, der Mongodb verknüpft:

new MongoClient(new ServerAddress(env.getProperty("mongo.host"), Integer.valueOf(env.getProperty("mongo.port"))), Arrays.asList(credential), MongoClientOptions.builder()
                .socketTimeout(10000)
                .minHeartbeatFrequency(25)
                .heartbeatSocketTimeout(3000)
                .socketKeepAlive(true)
                .build());

Außerdem wurde die Keep-Alive-Zeit von IPv4 des Servers (Ubuntu) auf 120 Sekunden geändert.

Aber der Fehler ist immer noch da, ich hoffe, jeder kann mir einen Rat geben, danke!