Check Jenkins query exception message

Ignore invalid build url when the error is 404

Fixes: adoptium#4

Signed-off-by: lanxia <lan_xia@ca.ibm.com>

TestResultSummaryService/BuildProcessor.js

@@ -13,11 +13,22 @@ class BuildProcessor {
         const jenkinsInfo = new JenkinsInfo();
         const buildInfo = await jenkinsInfo.getBuildInfo( task.url, task.buildName, task.buildNum );
 
-        if ( buildInfo ) {
+        if ( buildInfo) {
+        	if (buildInfo.code === 404 ){
+        		/*
+        		 * Return code is 404. The url is invalid or the build does not
+        		 * exist on Jenkins any more, just set status to Done and store
+        		 * the build info
+        		 */
+               task.status = "Done";
+               await new DataManager().updateBuild( task );
+               return;
+        	}
             let output = "";
             if ( task.status === "Streaming" ) {
                 let startPtr = 0;
-                //if output exists, get last position from output and continue stream. Otherwise, create build.
+                // if output exists, get last position from output and continue
+                // streaming. Otherwise, create build.
                 if ( task.buildOutputId ) {
                     const outputDB = new OutputDB();
                     const result = await outputDB.getData( { _id: new ObjectID( task.buildOutputId ) } ).toArray();
@@ -88,19 +99,7 @@ class BuildProcessor {
                     } );
                 }
             }
-        } else {
-            /* 
-             if the build does not exist on Jenkins any more, just 
-             set status to Done and store the build info
-             */
-            // TODO: the code can be more precise and check for error
-            // that is caught in jenkinsInfo.getBuildInfo() to 
-            // determine if it is a build does not exist or connection
-            // issue.
-            task.status = "Done";
-            await new DataManager().updateBuild( task );
         }
-
     }
 }
 module.exports = BuildProcessor;

TestResultSummaryService/JenkinsInfo.js

@@ -4,7 +4,7 @@ const { logger } = require( './Utils' );
 
 const options = { request: { timeout: 2000 } };
 
-//Server connection may drop. If timeout, retry. 
+// Server connection may drop. If timeout, retry.
 const retry = fn => {
     const promise = Promise.promisify( fn );
     return async function() {
@@ -14,6 +14,9 @@ const retry = fn => {
             } catch ( e ) {
                 logger.warn( `Try #${i + 1}: connection issue`, arguments );
                 logger.warn( e );
+                if (e.toString().includes ("unexpected status code: 404")) {
+                	return {code: 404};
+                }
             }
         }
     }