Fix java-version format and exit status code of Postman script

.github/workflows/generate_java_sources.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

.github/workflows/generate_php_sources.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

.github/workflows/generate_python_sources.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

.github/workflows/test_java.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

.github/workflows/test_php.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

.github/workflows/test_python.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          java-version: 8
           distribution: temurin
 
       - name: Set up Python

scripts/push_postman_collection.py

@@ -128,22 +128,22 @@ def main():
 			else:
 				uid_to_update = collection_id_to_update_list[0]
 			if create_flag == False:
-				update_collection(uid_to_update,collection_name_to_update,file)
+				update_collection(uid_to_update, collection_name_to_update, file)
 			else:
 				create_collection(collection_name_to_update, file)
 
 	except OSError as err:
 	    print("File manipulation error:", err)
-	    sys.exit(0)
+	    sys.exit(1)
 	except requests.exceptions.ConnectionError as err:
 		print("Requests failure: e.g. DNS failure, refused connection", err)
-		sys.exit(0)
+		sys.exit(1)
 	except requests.exceptions.HTTPError as err:
 		print("Invalid HTTP response", err)
-		sys.exit(0)
+		sys.exit(1)
 	except Exception as err:
 	    print("Generic error or a network error:", err)
-	    sys.exit(0)
+	    sys.exit(1)