upgrade to 4.1.0-SNAPSHOT. Set java_version to 1.8

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

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>

src/main/java/org/gcube/contentmanagement/blobstorage/service/operation/Exist.java

@@ -36,9 +36,8 @@ public class Exist extends Operation{
 				isPresent = tm.exist(bucket);
 			} catch (Exception e) {
 				tm.close();
-				throw new RemoteBackendException(" Error in Exist operation ", e.getCause());			}
-			if (logger.isDebugEnabled()) {
-				logger.debug(" PATH " + bucket);
+				logger.warn(" Error in Exist operation ", e.getCause());
+				isPresent=false;
 			}
 			return isPresent+"";
 		}

src/main/java/org/gcube/contentmanagement/blobstorage/transport/backend/MongoOperationManager.java

@@ -314,13 +314,18 @@ public class MongoOperationManager extends TransportManager{
 	@Override
 	public boolean exist(String remotePath){
 		boolean isPresent=false;
-		if(logger.isDebugEnabled())
-			logger.debug("MongoDB - check if file exist: "+remotePath);
-		GridFSDBFile f = mongoPrimaryInstance.retrieveRemoteDescriptor(remotePath, null, false);
-		if(f!=null){
-			isPresent=true;
+		try{
+			if(logger.isDebugEnabled())
+				logger.debug("MongoDB - check if file exist: "+remotePath);
+			GridFSDBFile f = mongoPrimaryInstance.retrieveRemoteDescriptor(remotePath, null, false);
+			if(f!=null){
+				isPresent=true;
+			}
+			close();
+		}catch(Exception e){
+			logger.warn("problem during the retrieve of the following id/path: "+remotePath+" "+e.getMessage());
+			isPresent=false;
 		}
-		close();
 		return isPresent;
 	}