【GaussDB】应用报错 socket is not closed; Urgent packet sent to backend successfully; An I/O error occured while sending to the backend.detail:EOF Exception; 数据库原理差异 会话空闲时间超过sesseion_time后,数据库主动断开,客户端再发起请求,就会报此类错误; 当一个会话连接长时间没有执行SQL或者活动时,...
public boolean isOutputShutdown () Added in API level 1 Returns whether the outgoing channel of the socket has already been closed. Returns true if writing to this socket is not possible anymore, false otherwise. public void sendUrgentData (int value) Added in API level 1 Sends the...
However, all sockets are closed * automatically when a process is killed or terminates normally. */ exit(0); }To initiate a connection, the client program in Example 6–2 creates a stream socket, then calls connect(3SOCKET), specifying the address of the socket for connection. If the ...
When enabled, aclose(2)orshutdown(2)will not return until all queued messages for the socket have been successfully sent or the linger timeout has been reached. Otherwise, the call returns immediately and the closing is done in the background. When the socket is closed as part ofexit(2)...
isClosed, isConnected, isInputShutdown, isOutputShutdown, sendUrgentData, setKeepAlive, setOOBInline, setPerformancePreferences, setReceiveBufferSize, setReuseAddress, setSendBufferSize, setSocketImplFactory, setSoLinger, setSoTimeout, setTcpNoDelay, setTrafficClass, shutdownInput, shutdownOutput, toString...
isClosed, isConnected, isInputShutdown, isOutputShutdown, sendUrgentData, setKeepAlive, setOOBInline, setPerformancePreferences, setReceiveBufferSize, setReuseAddress, setSendBufferSize, setSocketImplFactory, setSoLinger, setSoTimeout, setTcpNoDelay, setTrafficClass, shutdownInput, shutdownOutput, toString...
not necessarily a dummy heartbeat packet. The heartbeat packets thus only appear when the server is idling. Otherwise normal traffic acts as the heartbeat. The Applet detects the lack of traffic on disconnect and automatically restarts the connection. The downside is your applications have to be...
The Cisco IOS for S/390 subsystem does not allow for the urgent data being read out-of-band. Therefore, you cannot specify the type of data to read with any of the receive request functions (for example, MSG_OOB is not supported, nor is SO_OOBINLINE option). Requests specifying either ...
It seems that Chrome got a close frame from the server which is not of an expected close status code. However I still do not understand enough of the Websocket protocol to figure out who initiated the close, why there is even a close (when they are suppose to maintain a connection), ...
messages duplicated, and possibly in an order other than the one in which they were sent. An important characteristic of a datagram socket is that record boundaries in data are preserved. Datagram sockets closely model the facilities found in many contemporary packet-switched networks (e.g. ...