Revert "Too big error message JabRef#4827"

This reverts commit d249da1

src/main/java/org/jabref/logic/shared/DBMSConnection.java

@@ -1,18 +1,19 @@
 package org.jabref.logic.shared;
 
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.HashSet;
+import java.util.Set;
+
 import org.jabref.logic.l10n.Localization;
 import org.jabref.logic.shared.exception.InvalidDBMSConnectionPropertiesException;
 import org.jabref.model.database.shared.DBMSType;
 import org.jabref.model.database.shared.DatabaseConnection;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-import java.util.HashSet;
-import java.util.Set;
-
 public class DBMSConnection implements DatabaseConnection {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DBMSConnection.class);
@@ -37,12 +38,9 @@ public DBMSConnection(DBMSConnectionProperties connectionProperties) throws SQLE
         } catch (SQLException e) {
             // Some systems like PostgreSQL retrieves 0 to every exception.
             // Therefore a stable error determination is not possible.
-            String message = e.getMessage();
-            int endIndex = message.indexOf(".") != -1 ? message.indexOf(".") : message.length();
-            String errorMessagee = e.getSQLState().equals("01S00") ? message.substring(0, endIndex) : message;
-            LOGGER.error("Could not connect to database: " + message + " - Error code: " + e.getErrorCode());
+            LOGGER.error("Could not connect to database: " + e.getMessage() + " - Error code: " + e.getErrorCode());
 
-            throw new SQLException(errorMessagee, e);
+            throw e;
         }
     }