[FLINK-2205] Fix confusing entries in JobManager WebUI JobConfig sect…

…ion.

Default display for 'Number of execution retries' is now 'deactivated'
and for 'Job parallelism' is 'auto', as suggested in JIRA.

This closes #927

flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/web/JobManagerInfoServlet.java

@@ -436,7 +436,7 @@ private void writeJsonForArchivedJob(PrintWriter wrt, ExecutionGraph graph) {
 			if(ec != null) {
 				wrt.write("\"executionConfig\": {");
 				wrt.write("\"Execution Mode\": \""+ec.getExecutionMode()+"\",");
-				wrt.write("\"Number of execution retries\": \""+ec.getNumberOfExecutionRetries()+"\",");
+				wrt.write("\"Max. number of execution retries\": \""+ec.getNumberOfExecutionRetries()+"\",");
 				wrt.write("\"Job parallelism\": \""+ec.getParallelism()+"\",");
 				wrt.write("\"Object reuse mode\": \""+ec.isObjectReuseEnabled()+"\"");
 				ExecutionConfig.GlobalJobParameters uc = ec.getGlobalJobParameters();

flink-runtime/src/main/resources/web-docs-infoserver/js/analyzer.js

@@ -107,6 +107,10 @@ function analyzeTime(json, stacked) {
 		$.each(job.executionConfig, function(key, value) {
 			if(key == "userConfig") {
 				return;
+			} else if(key == "Max. number of execution retries" && value == -1) {
+				value = "deactivated";
+			} else if(key == "Job parallelism" && value == -1) {
+				value = "auto";
 			}
 			configTable += "<tr><td>"+key+"</td><td>"+value+"</td></tr>";
 		});