The export was stuck due to #19348, now the getGroupUsers does not stall

CHANGELOG.md

@@ -0,0 +1,22 @@
+ Changelog for "ldap-export-servlet"
+
+
+## [v1.2.1] [r4.23.0] - 2020-05-29
+
+### Fixes
+- This release fixes a potential bug in the export of the users to LDAP. See Incident #19348
+
+## [v1.2.0] [r unknown] - 2016-09-12
+### New Features
+- Feature #4999: LDAP Export script to export SSH public key
+
+### Fixes
+- Bug fix for #4916: LDAP Export fails if user surname is empty
+
+## [v1.2.0] [r unknown] - 2016-07-04
+### New Features
+- Updated to use Liferay 6.2 API
+
+## [v1.0.0] [r unknown] - 2015-12-11
+
+- First Release

pom.xml

@@ -11,7 +11,7 @@
 	<groupId>org.gcube.portal</groupId>
 	<artifactId>ldap-export-servlet</artifactId>
 	<packaging>war</packaging>
-	<version>1.2.0-SNAPSHOT</version>
+	<version>1.2.1-SNAPSHOT</version>
 	<name>ldap-export-servlet Maven Webapp</name>
 	<description>This component read periodically exports users and their groups in LDAP</description>
 	<properties>

src/main/java/org/gcube/portal/ldapexport/LDAPSync.java

@@ -22,16 +22,17 @@ import org.gcube.vomanagement.usermanagement.GroupManager;
 import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
 import org.gcube.vomanagement.usermanagement.impl.LiferayUserManager;
 import org.gcube.vomanagement.usermanagement.model.GCubeGroup;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.liferay.portal.kernel.cache.CacheRegistryUtil;
 import com.liferay.portal.kernel.exception.SystemException;
+import com.liferay.portal.kernel.log.Log;
+import com.liferay.portal.kernel.log.LogFactoryUtil;
 import com.liferay.portal.model.User;
 import com.liferay.portal.service.UserLocalServiceUtil;
 
 public class LDAPSync implements Runnable {
-	private static final Logger _log = LoggerFactory.getLogger(LDAPSync.class);
+
+	private static Log _log = LogFactoryUtil.getLog(LDAPSync.class);
 
 	private static final String LDAP_ORG_FILTER = "(objectClass=organizationalUnit)";
 	private static final String LDAP_GROUP_FILTER = "(objectClass=posixGroup)";
@@ -82,7 +83,7 @@ public class LDAPSync implements Runnable {
 		List<User> users = null; 
 		try {
 			users = getAllLiferayUsers();
-			_log.debug("\n***Read " + users.size() + " from LR DB\n");
+			_log.info("***Read " + users.size() + " from LR DB\n");
 		} catch (Exception e1) {
 			e1.printStackTrace();
 		}
@@ -185,7 +186,13 @@ public class LDAPSync implements Runnable {
 	 * @throws SystemException
 	 */
 	private void updateUsersInGroup(DirContext ctx, String vreSubCtx, GCubeGroup vre) throws NamingException, SystemException {
-		List<User> users = UserLocalServiceUtil.getGroupUsers(vre.getGroupId());
+		_log.debug("updateUsersInGroup: " + vre.getGroupName() );
+		List<User> users = new ArrayList<>();
+		try {
+			users = UserLocalServiceUtil.getGroupUsers(vre.getGroupId());
+		} catch (Exception e) {
+			_log.error("Could not retrieve members of vre: " + vre.getGroupName() + " having groupid: "+vre.getGroupId(), e);
+		}
 		for (User userObj : users) {
 			String user = userObj.getScreenName();
 			try {