UnknownHostExceptionUnknownHostException
The hostname cannot be resolved to an IP address.
SocketExceptionA socket operation fails, such as creating or accessing a socket.
The connection was reset by the peer, the socket was closed unexpectedly, or there is a network configuration issue. This can also indicate a firewall blocking the connection.
Handle connection resets with retry logic. Check firewall and network settings. Properly close sockets in finally blocks. Use connection pooling for reliability.
UnknownHostExceptionThe hostname cannot be resolved to an IP address.
ExceptionInInitializerErrorAn exception is thrown during the execution of a static initializer block.
NoSuchMethodErrorA method is called at runtime but does not exist in the class.
ProtocolExceptionAn HTTP or network protocol violation occurred.
EOFExceptionEnd of file or stream is reached unexpectedly.
IndexOutOfBoundsExceptionA collection is accessed with an index that is outside its valid range.