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java - 在 HttpClient 中开启日志记录

转载 作者：IT老高 更新时间：2023-10-28 20:41:49 25 4
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如何正确打开 Apache Commons HttpClient 的日志记录

现在我正在这样做，除了我作为测试显式触发的消息之外，没有收到任何日志消息:

public class HttpTest1 {
    static Log log = LogFactory.getLog(Class.class);

public static void main(String[] args) throws ClientProtocolException, IOException{
        log.warn("Logging Works");
        System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");

        System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true");
        System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire", "debug");
        System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "debug");

        DefaultHttpClient client = new DefaultHttpClient();

        HttpGet method = new HttpGet("http://www.google.com");

        HttpResponse response = client.execute(method);
        BufferedReader rd = new BufferedReader(new InputStreamReader(
                response.getEntity().getContent()));

        String line = "";
        while ((line = rd.readLine()) != null) {
            System.out.println(line);
        }
    }   
}

输出:

Feb 28, 2012 2:16:31 PM httpTest.HttpTest1 main
WARNING: Logging Works
<!doctype html><html itemscope itemtype="http://schema.org/WebPage"><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-2"><meta itemprop="image" content="/images/google_favicon_128.png"><title>Google</title><script>window.google={kEI:"stNMT4yfMInFtAaK_5yGDw",getEI:function(a){var d;while(a&&!(a.getAttribute&&(d=a.getAttribute("eid"))))a=a.parentNode;return d||google.kEI},https:function(){return window.location.protocol=="https:"},kEXPI:"33551,34324,34904,35055,35091,36604,36683,36934,36946,37017",kCSI:{e:"33551,34324,34904,35055,35091,36604,36683,36934,36946,37017",ei:"stNMT4yfMInFtAaK_5yGDw"},authuser:0,
ml:function(){},kHL:"sl",time:function(){return(new Date).getTime()},log:function(a,d,f,h){var e=new Image,g=google,k=g.lc,i=g.li,m="";e.onerror=(e.onload=(e.onabort=function(){delete k[i]}));k[i]=e;if(!f&&d.search("&ei=")==-1)m="&ei="+google.getEI(h);var j=f||"/gen_204?atyp=i&ct="+a+"&cad="+d+m+"&zx="+google.time(),b=/^http:/i;if(b.test(j)&&google.https()){google.ml(new Error("GLMM"),false,{src:j});
delete k[i];return}e.src=j;g.li=i+1},lc:[],li:0,Toolbelt:{},y:{},x:function(a,d){google.y[a.id]=
[a,d];return false}};(function(){var a=
google.kEI;window.pp_tos={};var d=document.domain.replace(/.*?(google\..*)/,"$1");function f(){var b=0;try{var c=document.cookie.match(/PP_TOS_ACK=([^;]*)/);b=c&&!isNaN(c[1])?c[1]:0}catch(l){e("error","read_cookie")}return b}function h(b){var c=f();if(c>=0){g(++c);if(f()>0&&!b)m()}}function e(b,c){var l=new Image;c=c?"&emsg="+c:"";l.src=["//",d,"/gen_204?atyp=i&ct=pp_tos&cd=",b,"&source=","web","&ei=",a,c].join("");window.pp_tos.beacon=l}function g(b){var c=new Date((new Date).getTime()+5184000000);
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我正在使用 Eclipse。

最佳答案

我今天遇到了同样的问题。我找到了解决这个问题的方法。这很简单。只需添加 jcl-over-slf4j 依赖项即可将 JCL 日志(Apache Commons Logging)转发到 slf4j。

<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>jcl-over-slf4j</artifactId>
    <version>1.7.5</version>
</dependency>

之后，您可以将日志文件配置为 Log4j Examples .如果您使用 logback 您可以将以下内容放入您的 logback.xml

<logger name="org.apache.http" level="DEBUG"/>

或者如果你使用 log4j

log4j.logger.org.apache.http=DEBUG

关于java - 在 HttpClient 中开启日志记录，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/9482717/

25 4 0
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