{"action":"created","comment":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/comments/28093995","id":28093995,"diff_hunk":"@@ -223,23 +228,29 @@ public void mapReduceInfo(HttpRequest request, HttpResponder responder,\n       Id.Run run = new Id.Run(programId, runId);\n       ApplicationSpecification appSpec = store.getApplication(programId.getApplication());\n       if (appSpec == null) {\n-        responder.sendString(HttpResponseStatus.NOT_FOUND, String.format(\"Application not found: %s\",\n-                                                                         programId.getApplication()));\n-        return;\n+        throw new NotFoundException(programId.getApplication());\n       }\n       if (!appSpec.getMapReduce().containsKey(mapreduceId)) {\n-        responder.sendString(HttpResponseStatus.NOT_FOUND, String.format(\"Program not found: %s\", programId));\n-        return;\n+        throw new NotFoundException(programId);\n       }\n+//      if (store.getRun(programId, runId) == null) {\n+//        throw new NotFoundException(run);\n+//      }\n+","path":"cdap-app-fabric/src/main/java/co/cask/cdap/gateway/handlers/ProgramLifecycleHttpHandler.java","position":52,"original_position":52,"commit_id":"90e1eb165c451a07f59dc6023d5272fbdcae1802","original_commit_id":"90e1eb165c451a07f59dc6023d5272fbdcae1802","user":{"login":"anwar6953","id":2440977,"avatar_url":"https://avatars.githubusercontent.com/u/2440977?v=3","gravatar_id":"","url":"https://api.github.com/users/anwar6953","html_url":"https://github.com/anwar6953","followers_url":"https://api.github.com/users/anwar6953/followers","following_url":"https://api.github.com/users/anwar6953/following{/other_user}","gists_url":"https://api.github.com/users/anwar6953/gists{/gist_id}","starred_url":"https://api.github.com/users/anwar6953/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anwar6953/subscriptions","organizations_url":"https://api.github.com/users/anwar6953/orgs","repos_url":"https://api.github.com/users/anwar6953/repos","events_url":"https://api.github.com/users/anwar6953/events{/privacy}","received_events_url":"https://api.github.com/users/anwar6953/received_events","type":"User","site_admin":false},"body":"Nah, I just need to uncomment this.","created_at":"2015-04-09T19:24:27Z","updated_at":"2015-04-09T19:24:27Z","html_url":"https://github.com/caskdata/cdap/pull/1955#discussion_r28093995","pull_request_url":"https://api.github.com/repos/caskdata/cdap/pulls/1955","_links":{"self":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/comments/28093995"},"html":{"href":"https://github.com/caskdata/cdap/pull/1955#discussion_r28093995"},"pull_request":{"href":"https://api.github.com/repos/caskdata/cdap/pulls/1955"}}},"pull_request":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/1955","id":32912968,"html_url":"https://github.com/caskdata/cdap/pull/1955","diff_url":"https://github.com/caskdata/cdap/pull/1955.diff","patch_url":"https://github.com/caskdata/cdap/pull/1955.patch","issue_url":"https://api.github.com/repos/caskdata/cdap/issues/1955","number":1955,"state":"open","locked":false,"title":"CDAP-1958 Job-level and Task-level information (historical and current) ...","user":{"login":"anwar6953","id":2440977,"avatar_url":"https://avatars.githubusercontent.com/u/2440977?v=3","gravatar_id":"","url":"https://api.github.com/users/anwar6953","html_url":"https://github.com/anwar6953","followers_url":"https://api.github.com/users/anwar6953/followers","following_url":"https://api.github.com/users/anwar6953/following{/other_user}","gists_url":"https://api.github.com/users/anwar6953/gists{/gist_id}","starred_url":"https://api.github.com/users/anwar6953/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anwar6953/subscriptions","organizations_url":"https://api.github.com/users/anwar6953/orgs","repos_url":"https://api.github.com/users/anwar6953/repos","events_url":"https://api.github.com/users/anwar6953/events{/privacy}","received_events_url":"https://api.github.com/users/anwar6953/received_events","type":"User","site_admin":false},"body":"...via Metrics system (in case retrieving from jobHistoryServer fails).\r\n\r\nThe implementation in this PR uses JobHistoryServer: https://github.com/caskdata/cdap/pull/1878\r\n\r\nThis PR is the fallback (via Metrics system) if the JHS is not available. 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