【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,...
The socket is listening. BsdUrgent2 Use urgent data as defined in RFC-1222. This option can be set only once; after it is set, it cannot be turned off. Expedited2 Use expedited data as defined in RFC-1222. This option can be set only once; after it is set, it cannot be turned ...
如果状态是 SYN_RCVD,则通过将状态设置为 CLOSED 并调用 tcp_output() 发送 RST 段。tcp_close() 函数然后关闭套接字。tcp_close 函数更新路由度量结构的三个变量,然后释放套接字持有的资源。 如果状态是 SYN_RCVD,则通过将状态设置为 CLOSED 并调用 tcp_output() 发送 RST 段。tcp_close() 函数然后关闭套...
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...
isClosed, isConnected, isInputShutdown, isOutputShutdown, sendUrgentData, setKeepAlive, setOOBInline, setPerformancePreferences, setReceiveBufferSize, setReuseAddress, setSendBufferSize, setSocketImplFactory, setSoLinger, setSoTimeout, setTcpNoDelay, setTrafficClass, shutdownInput, shutdownOutput, toString...
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...
To discontinue sending, set direction to 1. To shut the connection down in both directions, set direction to 2. If the underlying protocol supports unidirectional or bidirectional shutdown, this indication is passed to the peer. Note A socket will not terminate until a close() has been ...
message. The server echos it back and on receipt of the close message, the client closes the socket. That way the client is guaranteed to be unhooked from waiting on a read, and you are guaranteed the server and client each recieved the last remaining messages before the socket was closed...