diff --git a/pom.xml b/pom.xml
index 23e702b..3269b83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -129,15 +129,9 @@
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>
-			<artifactId>javax.servlet-api</artifactId>
-			<version>3.0.1</version>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>com.fasterxml.jackson.module</groupId>
-			<artifactId>jackson-module-jaxb-annotations</artifactId>
-			<version>2.5.4</version>
-			<scope>runtime</scope>
+			<artifactId>servlet-api</artifactId>
+			<version>3.0-alpha-1</version>
+			<scope>compile</scope>
 		</dependency>
 		<!-- SmartGears -->
 		<dependency>
@@ -169,6 +163,9 @@
 				<executions>
 					<execution>
 						<phase>compile</phase>
+						<goals>
+							<goal>exploded</goal>
+						</goals>
 					</execution>
 				</executions>
 				<configuration>
@@ -188,6 +185,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
+				<version>2.2</version>
 				<configuration>
 					<descriptors>
 						<descriptor>${distroDirectory}/descriptor.xml</descriptor>
diff --git a/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/HelperMethods.java b/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/HelperMethods.java
index 2e167b1..d15c32d 100644
--- a/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/HelperMethods.java
+++ b/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/HelperMethods.java
@@ -119,7 +119,7 @@ public abstract class HelperMethods {
 				catalogueCache.insert(scope, instance);
 				return instance;
 			}catch(Exception e){
-				logger.error("Failed to instanciate data catalogue lib", e);
+				logger.error("Failed to instantiate data catalogue lib", e);
 				throw new Exception("Failed to retrieve catalogue information");
 			}
 		}