针对你遇到的问题“usemqtt.ts:75 mqtt connection error: errorwithreasoncode: connection refused: bad username or password”,我们可以按照以下步骤进行排查和解决: 确认MQTT服务器配置: 确保MQTT服务器的地址、端口、协议(如MQTT、MQTT over SSL等)设置正确。 检查服务器是否开启了用户名和密码验证功能。 检查...
java.lang.Object Exception TransportException ProtocolException com.microsoft.azure.sdk.iot.device.transport.mqtt.exceptions.MqttBadUsernameOrPasswordExceptionpublic class MqttBadUsernameOrPasswordException extends ProtocolException打开MQTT 连接时遇到 mqTT 连接返回代码0x04时,...
When using the MQTT server, if I set the context's ReturnCode to be MqttConnectReturnCode.ConnectionRefusedBadUsernameOrPassword, my devices are still being allowed to connect to the broker. Is there a unit test that I cannot locate whic...
public class MqttBadUsernameOrPasswordException extends ProtocolException This exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT Connect Return Code Documentation Constructor Summary
This exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT Connect Return Code Documentation
This exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT Connect Return Code Documentation
azure.sdk.iot.device.transport.mqtt.exceptions.MqttBadUsernameOrPasswordExceptionpublic class MqttBadUsernameOrPasswordException extends ProtocolExceptionThis exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT ...
azure.sdk.iot.device.transport.mqtt.exceptions.MqttBadUsernameOrPasswordExceptionpublic class MqttBadUsernameOrPasswordException extends ProtocolExceptionThis exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT Connect Retu...
com.microsoft.azure.sdk.iot.device.transport.mqtt.exceptions.MqttBadUsernameOrPasswordExceptionpublic class MqttBadUsernameOrPasswordException extends ProtocolExceptionThis exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT ...
com.microsoft.azure.sdk.iot.device.transport.mqtt.exceptions.MqttBadUsernameOrPasswordExceptionpublic class MqttBadUsernameOrPasswordException extends ProtocolExceptionThis exception is thrown when an MQTT Connection Return code of 0x04 is encountered when opening an MQTT connection MQTT ...