[GitHub] [solr] uschindler edited a comment on pull request #536: SOLR-14142 Enable jetty's request log by default

[GitBox <gi...@apache.org>]

uschindler edited a comment on pull request #536:
URL: https://github.com/apache/solr/pull/536#issuecomment-1015287079


   For the record this is how to use log4j (just some debugging example copypasted):
   
   ```java
   static final class LoggingAccessLog extends AbstractLifeCycle implements RequestLog {
     private final org.apache.logging.log4j.Logger log;
     
     public LoggingAccessLog(String logname) {
       this.log = org.apache.logging.log4j.LogManager.getLogger(logname);
     }
     
     @Override
     public void log(Request req, Response resp) {
       final StringBuilder line=new StringBuilder("From: ")
         .append(req.getRemoteHost())
         .append("; Req: \"").append(req.getMethod()).append(' ').append(req.getRequestURI());
       final String query = req.getQueryString();
       if (query != null) {
         line.append('?').append(query);
       }
       line.append(' ').append(req.getProtocol()).append("\"; Status: ").append(resp.getStatus()).append("; Bytes: ").append(resp.getContentCount());
       final String referer=req.getHeader(HttpHeader.REFERER.asString());
       if (referer!=null) line.append("; Referer: \"").append(referer).append('"');
       final String userAgent=req.getHeader(HttpHeader.USER_AGENT.asString());
       if (userAgent!=null) line.append("; User-Agent: \"").append(userAgent).append('"');
       if (req.isSecure()) line.append("; secure");
       log.info(line.toString());
     }
   }
   ```


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