because "this.condition" is null #28794
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spring-projects-issues
added
the
status: waiting-for-triage
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springboot 2.5.7 is ok |
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This is a springfox problem that should be reported against the relevant project. See also #28769 |
snicoll
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for: external-project
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springfox/springfox#3462 is already tracking this on the Springfox side. |
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be careful： Not because springfox ，I have a problem using mqtt |
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@weir2010 Can you please provide some more context for your comment? I don't see the connection between MQTT and web request path parsing. |
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critical code： package com.yaken.config;
import java.util.Arrays;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.core.MessageProducer;
import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;
import org.springframework.integration.mqtt.core.MqttPahoClientFactory;
import org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter;
import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
import org.springframework.integration.mqtt.support.DefaultPahoMessageConverter;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.MessagingException;
import com.yaken.mqtt.MqttReceiveService;
import lombok.extern.slf4j.Slf4j;
/**
* MQTT接收消息处理
*
* @author weir
*
* 2019年6月16日 下午2:41:45
*/
@Slf4j
@Configuration
@IntegrationComponentScan
public class MqttConfig {
private static final String MQTT_RECEIVEDTOPIC = "mqtt_receivedTopic";
private static final String SP_INBOUND = "_inbound";
private MqttPahoMessageDrivenChannelAdapter adapter;
@Value("${mqtt.username}")
private String username;
@Value("${mqtt.pwd}")
private String password;
@Value("${mqtt.url}")
private String hostUrl;
@Value("${mqtt.client.id}")
private String clientId;
@Value("${mqtt.default.topic}")
private String defaultTopic;
@Value("${mqtt.completionTimeout}")
private int completionTimeout;
@Autowired
private MqttReceiveService mqttReceiveService;
@Bean
public MqttConnectOptions getMqttConnectOptions() {
MqttConnectOptions mqttConnectOptions = new MqttConnectOptions();
mqttConnectOptions.setUserName(username);
mqttConnectOptions.setPassword(password.toCharArray());
mqttConnectOptions.setServerURIs(new String[] { hostUrl });
mqttConnectOptions.setKeepAliveInterval(2); // 设置会话心跳时间
return mqttConnectOptions;
}
@Bean
public MqttPahoClientFactory mqttClientFactory() {
DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
factory.setConnectionOptions(getMqttConnectOptions());
return factory;
}
@Bean
@ServiceActivator(inputChannel = "mqttOutboundChannel")
public MessageHandler mqttOutbound() {
MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler(clientId, mqttClientFactory());
messageHandler.setAsync(true);
messageHandler.setDefaultTopic(defaultTopic);
return messageHandler;
}
@Bean
public MessageChannel mqttOutboundChannel() {
return new DirectChannel();
}
/**
* 接收通道
*
* @return MessageChannel
*/
@Bean
public MessageChannel mqttInputChannel() {
return new DirectChannel();
}
/**
* 配置client,监听的topic
*
* @return MessageProducer
*/
@Bean
public MessageProducer inbound() {
adapter = new MqttPahoMessageDrivenChannelAdapter(clientId + SP_INBOUND, mqttClientFactory(), defaultTopic);
adapter.setCompletionTimeout(completionTimeout);
adapter.setConverter(new DefaultPahoMessageConverter());
adapter.setOutputChannel(mqttInputChannel());
return adapter;
}
} |
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@weir2010 It's still not clear how the sample code you've provided in the comment above relates to the stacktrace that you initially posted. If you believe that this is a Spring Boot issue please provide a sample application that (as a zip file for github project) that reproduces the issue and doesn't have springfox as a dependency. |
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I found the problem. It's really swagger ok |
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I have the same problem with the newest Spring version 2.6.1 and springfox-swagger2 version 3.0.0 . Is there a workaround? |
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same problem as mentioned above |
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Any update? Any plans to release a fixed version? |
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Please read the issue history before commenting. This is a springfox issue and nothing we can do here. |
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springfox/springfox#3462 (comment) helped me btw. |
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i resolve with spring boot 2.5.12 |
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springboot 2.6.0 :
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