- Fix the "is not NULL" checks inside "spark.filter()"

- Make sure the "outputPath" ends with a "/", in any case.
- Fix a parameter-description.

dhp-workflows/dhp-continuous-validation/src/main/java/eu/dnetlib/dhp/continuous_validator/ContinuousValidator.java

@@ -100,10 +100,11 @@ public class ContinuousValidator {
 			parquet_file_path = args[1];
 			guidelines = args[2];
 			outputPath = args[3];
-			if (!outputPath.endsWith("/"))
-				outputPath += "/";
 		}
 
+		if (!outputPath.endsWith("/"))
+			outputPath += "/";
+
 		logger
 			.info(
 				"Will validate the contents of parquetFile: \"" + parquet_file_path + "\", against guidelines: \""
@@ -149,7 +150,7 @@ public class ContinuousValidator {
 			spark
 				.read()
 				.parquet(finalParquet_file_path)
-				.filter("encoding = 'XML' and id != NULL and body != null")
+				.filter("encoding = 'XML' and id is not NULL and body is not NULL")
 				.map(validateMapFunction, Encoders.bean(XMLApplicationProfile.ValidationResult.class))
 				.write()
 				.option("compression", "gzip")

dhp-workflows/dhp-continuous-validation/src/main/resources/eu/dnetlib/dhp/continuous_validator/oozie_app/workflow.xml

@@ -13,7 +13,7 @@
         <property>
             <name>outputPath</name>
             <value>.</value>
-            <description>the (float) version of the OpenAIRE Guidelines to validate the records against</description>
+            <description>the path of the output-directory where the result-json-files will be stored</description>
         </property>
         <property>
             <name>sparkDriverMemory</name>