diff --git a/dhp-applications/dhp-mdstore-manager-app/pom.xml b/dhp-applications/dhp-mdstore-manager-app/pom.xml
index 066b33981..292a3ca34 100644
--- a/dhp-applications/dhp-mdstore-manager-app/pom.xml
+++ b/dhp-applications/dhp-mdstore-manager-app/pom.xml
@@ -3,7 +3,7 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>eu.dnetlib</groupId>
+	<groupId>eu.dnetlib.dhp</groupId>
 	<artifactId>dhp-mdstore-manager-app</artifactId>
 	<version>1.1.0-SNAPSHOT</version>
 
@@ -55,6 +55,13 @@
 			<artifactId>commons-io</artifactId>
 			<version>2.6</version>
 		</dependency>
+		
+		<!-- Common -->
+		<dependency>
+			<groupId>eu.dnetlib.dhp</groupId>
+			<artifactId>dhp-common</artifactId>
+			<version>1.0.0-SNAPSHOT</version>
+		</dependency>
 
 		<!-- Swagger -->
 		<dependency>
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/controller/MDStoreController.java b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/controller/MDStoreController.java
index 06c2c3036..4cad53fc3 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/controller/MDStoreController.java
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/controller/MDStoreController.java
@@ -17,12 +17,12 @@ import org.springframework.web.bind.annotation.RestController;
 
 import com.google.common.collect.Lists;
 
+import eu.dnetlib.data.mdstore.manager.common.model.MDStore;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreCurrentVersion;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreVersion;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreWithInfo;
 import eu.dnetlib.data.mdstore.manager.exceptions.MDStoreManagerException;
 import eu.dnetlib.data.mdstore.manager.exceptions.NoContentException;
-import eu.dnetlib.data.mdstore.manager.model.MDStore;
-import eu.dnetlib.data.mdstore.manager.model.MDStoreCurrentVersion;
-import eu.dnetlib.data.mdstore.manager.model.MDStoreVersion;
-import eu.dnetlib.data.mdstore.manager.model.MDStoreWithInfo;
 import eu.dnetlib.data.mdstore.manager.repository.MDStoreCurrentVersionRepository;
 import eu.dnetlib.data.mdstore.manager.repository.MDStoreRepository;
 import eu.dnetlib.data.mdstore.manager.repository.MDStoreVersionRepository;
@@ -72,7 +72,7 @@ public class MDStoreController {
 	}
 
 	@ApiOperation(value = "Create a new mdstore")
-	@RequestMapping(value = "/new/{format}/{layout}/{interpretation}", method = RequestMethod.PUT)
+	@RequestMapping(value = "/new/{format}/{layout}/{interpretation}", method = RequestMethod.GET)
 	public MDStoreWithInfo createMDStore(
 			@ApiParam("mdstore format") @PathVariable final String format,
 			@ApiParam("mdstore layout") @PathVariable final String layout,
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreCurrentVersionRepository.java b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreCurrentVersionRepository.java
index aabdac875..e78a4dc16 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreCurrentVersionRepository.java
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreCurrentVersionRepository.java
@@ -3,7 +3,7 @@ package eu.dnetlib.data.mdstore.manager.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import eu.dnetlib.data.mdstore.manager.model.MDStoreCurrentVersion;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreCurrentVersion;
 
 @Repository
 public interface MDStoreCurrentVersionRepository extends JpaRepository<MDStoreCurrentVersion, String> {
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreRepository.java b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreRepository.java
index ab499a3a1..14c50020d 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreRepository.java
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreRepository.java
@@ -3,7 +3,7 @@ package eu.dnetlib.data.mdstore.manager.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import eu.dnetlib.data.mdstore.manager.model.MDStore;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStore;
 
 @Repository
 public interface MDStoreRepository extends JpaRepository<MDStore, String> {
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreVersionRepository.java b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreVersionRepository.java
index f0f0a1ae8..e5a10e12f 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreVersionRepository.java
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreVersionRepository.java
@@ -3,7 +3,7 @@ package eu.dnetlib.data.mdstore.manager.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import eu.dnetlib.data.mdstore.manager.model.MDStoreVersion;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreVersion;
 
 @Repository
 public interface MDStoreVersionRepository extends JpaRepository<MDStoreVersion, String> {
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreWithInfoRepository.java b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreWithInfoRepository.java
index 3a8608ba2..a13e0fd18 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreWithInfoRepository.java
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/repository/MDStoreWithInfoRepository.java
@@ -2,7 +2,7 @@ package eu.dnetlib.data.mdstore.manager.repository;
 
 import org.springframework.stereotype.Repository;
 
-import eu.dnetlib.data.mdstore.manager.model.MDStoreWithInfo;
+import eu.dnetlib.data.mdstore.manager.common.model.MDStoreWithInfo;
 
 @Repository
 public interface MDStoreWithInfoRepository extends ReadOnlyRepository<MDStoreWithInfo, String> {
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/resources/static/js/mdstoremanager.js b/dhp-applications/dhp-mdstore-manager-app/src/main/resources/static/js/mdstoremanager.js
index 5d9f61717..b92c78766 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/resources/static/js/mdstoremanager.js
+++ b/dhp-applications/dhp-mdstore-manager-app/src/main/resources/static/js/mdstoremanager.js
@@ -21,7 +21,7 @@ app.controller('mdstoreManagerController', function($scope, $http) {
 		if (dsName || dsId || apiId) {
 			url += '?dsName=' + encodeURIComponent(dsName) + '&dsId=' + encodeURIComponent(dsId) + '&apiId=' + encodeURIComponent(apiId);
 		}
-		$http.put(url).success(function(data) {
+		$http.get(url).success(function(data) {
 			$scope.reload();
 		}).error(function() {
 			alert("error");
diff --git a/dhp-common/pom.xml b/dhp-common/pom.xml
index 8b66ddae2..3b7b6aca3 100644
--- a/dhp-common/pom.xml
+++ b/dhp-common/pom.xml
@@ -1,33 +1,33 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
 
-    <parent>
-        <groupId>eu.dnetlib.dhp</groupId>
-        <artifactId>dhp</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
+	<parent>
+		<groupId>eu.dnetlib.dhp</groupId>
+		<artifactId>dhp</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
 
-    <artifactId>dhp-common</artifactId>
-    <packaging>jar</packaging>
+	<artifactId>dhp-common</artifactId>
+	<packaging>jar</packaging>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-        </dependency>
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>commons-codec</groupId>
+			<artifactId>commons-codec</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>javax.persistence</groupId>
+			<artifactId>javax.persistence-api</artifactId>
+			<version>2.2</version>
+			<scope>provided</scope>
+		</dependency>
+	</dependencies>
 
-
-
-
-    </dependencies>
-
-
-    
 </project>
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStore.java b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStore.java
similarity index 97%
rename from dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStore.java
rename to dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStore.java
index 5a4ce8a5e..478bda440 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStore.java
+++ b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStore.java
@@ -1,4 +1,4 @@
-package eu.dnetlib.data.mdstore.manager.model;
+package eu.dnetlib.data.mdstore.manager.common.model;
 
 import java.io.Serializable;
 import java.util.UUID;
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreCurrentVersion.java b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreCurrentVersion.java
similarity index 95%
rename from dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreCurrentVersion.java
rename to dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreCurrentVersion.java
index 1c504468f..2a52d0d1d 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreCurrentVersion.java
+++ b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreCurrentVersion.java
@@ -1,4 +1,4 @@
-package eu.dnetlib.data.mdstore.manager.model;
+package eu.dnetlib.data.mdstore.manager.common.model;
 
 import java.io.Serializable;
 
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreVersion.java b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreVersion.java
similarity index 97%
rename from dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreVersion.java
rename to dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreVersion.java
index 9a9f3b871..4ad6f137c 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreVersion.java
+++ b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreVersion.java
@@ -1,4 +1,4 @@
-package eu.dnetlib.data.mdstore.manager.model;
+package eu.dnetlib.data.mdstore.manager.common.model;
 
 import java.io.Serializable;
 import java.util.Date;
diff --git a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreWithInfo.java b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreWithInfo.java
similarity index 98%
rename from dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreWithInfo.java
rename to dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreWithInfo.java
index 066b6c6b2..dfe188f54 100644
--- a/dhp-applications/dhp-mdstore-manager-app/src/main/java/eu/dnetlib/data/mdstore/manager/model/MDStoreWithInfo.java
+++ b/dhp-common/src/main/java/eu/dnetlib/data/mdstore/manager/common/model/MDStoreWithInfo.java
@@ -1,4 +1,4 @@
-package eu.dnetlib.data.mdstore.manager.model;
+package eu.dnetlib.data.mdstore.manager.common.model;
 
 import java.io.Serializable;
 import java.util.Date;
diff --git a/dhp-workflows/dhp-collector-worker/target/maven-archiver/pom.properties b/dhp-workflows/dhp-collector-worker/target/maven-archiver/pom.properties
index 6b3be9ca3..ef502424b 100644
--- a/dhp-workflows/dhp-collector-worker/target/maven-archiver/pom.properties
+++ b/dhp-workflows/dhp-collector-worker/target/maven-archiver/pom.properties
@@ -1,4 +1,4 @@
-#Created by Apache Maven 3.5.2
+#Created by Apache Maven 3.6.0
 version=1.0.0
 groupId=eu.dnetlib
 artifactId=dhp-collector-worker