diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/GenerateEntitiesApplication.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/GenerateEntitiesApplication.java
index d6ddc1fdd..8e5ba9cd1 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/GenerateEntitiesApplication.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/GenerateEntitiesApplication.java
@@ -63,9 +63,13 @@ public class GenerateEntitiesApplication {
 		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
 
 		final String sourcePaths = parser.get("sourcePaths");
-		final String targetPath = parser.get("targetPath");
+		log.info("sourcePaths: {}", sourcePaths);
 
-		final String isLookupUrl = parser.get("islookup");
+		final String targetPath = parser.get("targetPath");
+		log.info("targetPath: {}", targetPath);
+
+		final String isLookupUrl = parser.get("isLookupUrl");
+		log.info("isLookupUrl: {}", isLookupUrl);
 
 		final VocabularyGroup vocs = VocabularyGroup.loadVocsFromIS(isLookupUrl);
 
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplication.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplication.java
index 899ce6b94..d42754fdc 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplication.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplication.java
@@ -47,8 +47,6 @@ import java.util.function.Function;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.common.DbClient;
@@ -71,10 +69,12 @@ import eu.dnetlib.dhp.schema.oaf.Relation;
 import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.dhp.schema.oaf.Software;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class MigrateDbEntitiesApplication extends AbstractMigrationApplication implements Closeable {
 
-	private static final Log log = LogFactory.getLog(MigrateDbEntitiesApplication.class);
+	private static final Logger log = LoggerFactory.getLogger(MigrateDbEntitiesApplication.class);
 
 	public static final String SOURCE_TYPE = "source_type";
 	public static final String TARGET_TYPE = "target_type";
@@ -95,13 +95,22 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationApplication i
 		parser.parseArgument(args);
 
 		final String dbUrl = parser.get("postgresUrl");
+		log.info("postgresUrl: {}", dbUrl);
+
 		final String dbUser = parser.get("postgresUser");
+		log.info("postgresUser: {}", dbUser);
+
 		final String dbPassword = parser.get("postgresPassword");
-		final String isLookupUrl = parser.get("islookup");
+		log.info("postgresPassword: xxx");
+
+		final String isLookupUrl = parser.get("isLookupUrl");
+		log.info("isLookupUrl: {}", isLookupUrl);
 
 		final String hdfsPath = parser.get("hdfsPath");
+		log.info("hdfsPath: {}", hdfsPath);
 
 		final boolean processClaims = parser.get("action") != null && parser.get("action").equalsIgnoreCase("claims");
+		log.info("processClaims: {}", processClaims);
 
 		try (final MigrateDbEntitiesApplication smdbe = new MigrateDbEntitiesApplication(hdfsPath, dbUrl, dbUser,
 			dbPassword, isLookupUrl)) {
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/Vocabulary.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/Vocabulary.java
index 7714f6d90..c955ee640 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/Vocabulary.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/Vocabulary.java
@@ -1,10 +1,11 @@
 
 package eu.dnetlib.dhp.oa.graph.raw.common;
 
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 
-public class Vocabulary {
+public class Vocabulary implements Serializable {
 
 	private final String id;
 	private final String name;
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyGroup.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyGroup.java
index 9991fa4cf..43ed7f2d9 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyGroup.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyGroup.java
@@ -2,6 +2,7 @@
 package eu.dnetlib.dhp.oa.graph.raw.common;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -14,7 +15,7 @@ import eu.dnetlib.dhp.utils.ISLookupClientFactory;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
 
-public class VocabularyGroup {
+public class VocabularyGroup implements Serializable {
 
 	public static VocabularyGroup loadVocsFromIS(final String isLookupUrl) throws IOException, ISLookUpException {
 		final ISLookUpService isLookUpService = ISLookupClientFactory.getLookUpService(isLookupUrl);
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyTerm.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyTerm.java
index b3c785923..1aa1b8253 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyTerm.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyTerm.java
@@ -1,7 +1,9 @@
 
 package eu.dnetlib.dhp.oa.graph.raw.common;
 
-public class VocabularyTerm {
+import java.io.Serializable;
+
+public class VocabularyTerm implements Serializable {
 
 	private final String id;
 	private final String name;
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/generate_entities_parameters.json b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/generate_entities_parameters.json
index 9e3992bcf..8342dde95 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/generate_entities_parameters.json
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/generate_entities_parameters.json
@@ -18,8 +18,8 @@
 		"paramRequired": true
 	},
 	{
-		"paramName": "islookup",
-		"paramLongName": "islookup",
+		"paramName": "isu",
+		"paramLongName": "isLookupUrl",
 		"paramDescription": "the url of the ISLookupService",
 		"paramRequired": true
 	}
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/migrate_db_entities_parameters.json b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/migrate_db_entities_parameters.json
index edecb97b7..4e838561d 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/migrate_db_entities_parameters.json
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/migrate_db_entities_parameters.json
@@ -30,8 +30,8 @@
 		"paramRequired": false
 	},
 	{
-		"paramName": "islookup",
-		"paramLongName": "islookup",
+		"paramName": "isu",
+		"paramLongName": "isLookupUrl",
 		"paramDescription": "the url of the ISLookupService",
 		"paramRequired": true
 	}
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_all/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_all/oozie_app/workflow.xml
index 5eee92342..c2bea9f8a 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_all/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_all/oozie_app/workflow.xml
@@ -123,6 +123,7 @@
             <arg>--postgresUrl</arg><arg>${postgresURL}</arg>
             <arg>--postgresUser</arg><arg>${postgresUser}</arg>
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--action</arg><arg>claims</arg>
         </java>
         <ok to="ImportODF_claims"/>
@@ -173,7 +174,7 @@
             <arg>--postgresUrl</arg><arg>${postgresURL}</arg>
             <arg>--postgresUser</arg><arg>${postgresUser}</arg>
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
-            <arg>--islookup</arg><arg>${isLookupUrl}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
         </java>
         <ok to="ImportODF"/>
         <error to="Kill"/>
@@ -238,7 +239,7 @@
             </spark-opts>
             <arg>--sourcePaths</arg><arg>${contentPath}/db_claims,${contentPath}/oaf_claims,${contentPath}/odf_claims</arg>
             <arg>--targetPath</arg><arg>${workingDir}/entities_claim</arg>
-            <arg>--islookup</arg><arg>${isLookupUrl}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
         </spark>
         <ok to="GenerateGraph_claims"/>
         <error to="Kill"/>
@@ -285,7 +286,7 @@
             </spark-opts>
             <arg>--sourcePaths</arg><arg>${contentPath}/db_records,${contentPath}/oaf_records,${contentPath}/odf_records</arg>
             <arg>--targetPath</arg><arg>${workingDir}/entities</arg>
-            <arg>--islookup</arg><arg>${isLookupUrl}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
         </spark>
         <ok to="GenerateGraph"/>
         <error to="Kill"/>
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_db/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_db/oozie_app/workflow.xml
index 93018e674..575f9229e 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_db/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_db/oozie_app/workflow.xml
@@ -92,7 +92,7 @@
             <arg>--postgresUrl</arg><arg>${postgresURL}</arg>
             <arg>--postgresUser</arg><arg>${postgresUser}</arg>
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
-            <arg>--islookup</arg><arg>${isLookupUrl}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
         </java>
         <ok to="ImportDB_claims"/>
         <error to="Kill"/>
@@ -108,7 +108,7 @@
             <arg>--postgresUrl</arg><arg>${postgresURL}</arg>
             <arg>--postgresUser</arg><arg>${postgresUser}</arg>
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
-            <arg>--islookup</arg><arg>${isLookupUrl}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--action</arg><arg>claims</arg>
         </java>
         <ok to="End"/>