diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9bf2fe..30059d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [v4.1.0-SNAPSHOT]
   * compatible with s3 storage backend
   * remove retry mechanism to exist method
+  * add try/catch on exist method #24215
 
 ## [v3.0.0] 2021-09-10
   * fix #22164
diff --git a/pom.xml b/pom.xml
index eddf5df..4b0f693 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,9 +9,9 @@
   <groupId>org.gcube.contentmanagement</groupId>
   <artifactId>storage-manager-core</artifactId>
   <version>4.1.0-SNAPSHOT</version>
-<!--   <properties> -->
-<!--   		<distroDirectory>${project.basedir}/distro</distroDirectory> -->
-<!--   </properties> -->
+  <properties>
+	<java_version>1.8</java_version>
+  </properties>
   <scm>
 		<connection>scm:git:https://code-repo.d4science.org/gCubeSystem/${project.artifactId}.git</connection>
 		<developerConnection>scm:git:https://code-repo.d4science.org/gCubeSystem/${project.artifactId}.git</developerConnection>
@@ -53,10 +53,11 @@
 			<artifactId>commons-codec</artifactId>
 			<version>1.8</version>
 		</dependency>
-<!-- 		<dependency> -->
-<!-- 			<groupId>org.gcube.contentmanagement</groupId> -->
-<!--   			<artifactId>storage-manager-s3-plugin</artifactId> -->
-<!--   			<version>1.0.0-SNAPSHOT</version>		 -->
-<!-- 		</dependency> -->
+	  <dependency>
+		  <groupId>org.slf4j</groupId>
+		  <artifactId>slf4j-simple</artifactId>
+		  <version>1.7.32</version>
+		  <scope>test</scope>
+	  </dependency>
   </dependencies>
 </project>