Disable Httpclient Logging

Can't turn off HttpClient Wire debug log messages

So what did finally work for my project was creating a configuration for sl4j / logback -- I couldn't make it work for log4j etc.

So under main/java/resources/logback.xml

<xml version="1.0" encoding="UTF-8" ?>
     <configuration>
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
     <encoder>
          <pattern>%d{HH:mm:ss} %thread %-5level %logger{36} %msg%n</pattern>
     </encoder>
     </appender>

     <logger name="org.apache" level="ERROR"/>
     <logger name="httpclient" level="ERROR"/>

     <root level="DEBUG">
          <appender-ref ref="STDOUT" />
     </root>
</configuration>

in maven I simply included dependency for slf4j

 <dependency>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-api</artifactId>
 </dependency>
 <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>jcl-over-slf4j</artifactId>
 </dependency>

and its all working now.

Disable request logging via HttpClient for single url

Your logging filter should be depend on how we make use of HttpClient. For example, using like this

using var weatherHttpClient = new HttpClient()
// make using here

AFAIK, this case would be impossible to separate logging from HttpClient.

If we using HttpClient via DI, we could make a filter like this.

// Register with DI. I'm just a fan of named HttpClient, use your register as wished
services.AddHttpClient(nameof(WeatherService), cfg =>
{
    cfg.Timeout = TimeSpan.FromSeconds(10);
    cfg.BaseAddress = new Uri("https://api.openweathermap.org");
});

// Using WeatherService class: 
private readonly HttpClient _httpClient; 

public WeatherService(IHttpClientFactory httpClientFactory)
{
    _httpClient = httpClientFactory.CreateClient(nameof(WeatherService));
}

// We can create a logging Filter on Program.cs like
public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
        .ConfigureLogging(logging  =>
            {
                logging.AddFilter((_, category, _) => !category.StartsWith($"System.Net.Http.HttpClient.{nameof(WeatherService)}"));
            })

Register as services.AddHttpClient<WeatherService> would result the same category name to filter.

But I still feel it some way cumbersome... of not using Serilog, could you share the reason why say no to that ?

Disable logging in org.apache.httpcomponents

You can try 2 things. Either put this into your application.yml to only log warnings and errors for the mentioned packages

logging:
  level:
    org.apache.http: WARN
    org.springframework.web: WARN 

or define your own resources/logback.xml like with the loggers for the packages set:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>

    <property name="CONSOLE_LOG_PATTERN" value="[%date{YYYY-MM-dd HH:mm:ss.SSS}] %-5level [%.15thread] %logger{1} %msg%n"/>

    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>

    <logger name="org.apache.http" level="WARN" />
    <logger name="org.springframework.web" level="WARN" />

    <root level="${GLOBAL_LOGGING_LEVEL:-INFO}">
        <appender-ref ref="CONSOLE"/>
    </root>

</configuration>

How to disable log4j logging in Http Client 4.1 to log to FileAppender

What worked finally,
Logger.getLogger("org.apache.http").setLevel(org.apache.log4j.Level.OFF);
I was not using the right key.

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