ifndef-SleePy commented on a change in pull request #6770:  [FLINK-10002] 
[Webfrontend] WebUI shows jm/tm logs more friendly.
URL: https://github.com/apache/flink/pull/6770#discussion_r226235686
 
 

 ##########
 File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/legacy/files/StaticFileServerHandler.java
 ##########
 @@ -128,30 +132,39 @@ public StaticFileServerHandler(
        protected void respondAsLeader(ChannelHandlerContext 
channelHandlerContext, RoutedRequest routedRequest, T gateway) throws Exception 
{
                final HttpRequest request = routedRequest.getRequest();
                final String requestPath;
+               final FileOffsetRange range;
 
                // make sure we request the "index.html" in case there is a 
directory request
                if (routedRequest.getPath().endsWith("/")) {
                        requestPath = routedRequest.getPath() + "index.html";
+                       range = FileOffsetRange.MAX_FILE_OFFSET_RANGE;
+               } else if 
(historicalLogPattern.matcher(routedRequest.getPath()).find()) {
+                       Matcher m = 
historicalLogPattern.matcher(routedRequest.getPath());
+                       m.find();
+                       requestPath = m.group(1);
+                       range = FileOffsetRange.generateRange(m.group(2));
                }
                // in case the files being accessed are logs or stdout files, 
find appropriate paths.
-               else if (routedRequest.getPath().equals("/jobmanager/log") || 
routedRequest.getPath().equals("/jobmanager/stdout")) {
 
 Review comment:
   We should remove these log related codes.

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