diff --git a/fe/fe-core/src/main/java/org/apache/doris/external/jdbc/JdbcClient.java b/fe/fe-core/src/main/java/org/apache/doris/external/jdbc/JdbcClient.java
index 5615de391f..43d8149337 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/external/jdbc/JdbcClient.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/external/jdbc/JdbcClient.java
@@ -77,6 +77,12 @@ public class JdbcClient {
             config.setUsername(jdbcUser);
             config.setPassword(password);
             config.setMaximumPoolSize(1);
+            // set connection timeout to 5s.
+            // The default is 30s, which is too long.
+            // Because when querying information_schema db, BE will call thrift rpc(default timeout is 30s)
+            // to FE to get schema info, and may create connection here, if we set it too long and the url is invalid,
+            // it may cause the thrift rpc timeout.
+            config.setConnectionTimeout(5000);
             dataSource = new HikariDataSource(config);
         } catch (MalformedURLException e) {
             throw new JdbcClientException("MalformedURLException to load class about " + driverUrl, e);
diff --git a/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java b/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
index 02c1b55c42..dbcca2d6c0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
@@ -272,7 +272,15 @@ public class FrontendServiceImpl implements FrontendService.Iface {
                     .getCatalogOrException(params.catalog, catalog -> new TException("Unknown catalog " + catalog)));
         }
         for (CatalogIf catalog : catalogIfs) {
-            List<String> dbNames = catalog.getDbNamesOrEmpty();
+            List<String> dbNames;
+            try {
+                dbNames = catalog.getDbNamesOrEmpty();
+            } catch (Exception e) {
+                LOG.warn("failed to get database names for catalog {}", catalog.getName(), e);
+                // Some external catalog may fail to get databases due to wrong connection info.
+                // So continue here to get databases of other catalogs.
+                continue;
+            }
             LOG.debug("get db names: {}, in catalog: {}", dbNames, catalog.getName());
 
             UserIdentity currentUser = null;
@@ -491,18 +499,22 @@ public class FrontendServiceImpl implements FrontendService.Iface {
                 .getDbNullable(params.db);
 
         if (db != null) {
-            Set<String> tableNames = db.getTableNamesOrEmptyWithLock();
-            for (String tableName : tableNames) {
-                LOG.debug("get table: {}, wait to check", tableName);
-                if (!Env.getCurrentEnv().getAccessManager()
-                        .checkTblPriv(currentUser, params.db, tableName, PrivPredicate.SHOW)) {
-                    continue;
+            Set<String> tableNames;
+            try {
+                tableNames = db.getTableNamesOrEmptyWithLock();
+                for (String tableName : tableNames) {
+                    LOG.debug("get table: {}, wait to check", tableName);
+                    if (!Env.getCurrentEnv().getAccessManager()
+                            .checkTblPriv(currentUser, params.db, tableName, PrivPredicate.SHOW)) {
+                        continue;
+                    }
+                    if (matcher != null && !matcher.match(tableName)) {
+                        continue;
+                    }
+                    tablesResult.add(tableName);
                 }
-
-                if (matcher != null && !matcher.match(tableName)) {
-                    continue;
-                }
-                tablesResult.add(tableName);
+            } catch (Exception e) {
+                LOG.warn("failed to get table names for db {} in catalog {}", params.db, catalogName, e);
             }
         }
         return result;
@@ -540,51 +552,50 @@ public class FrontendServiceImpl implements FrontendService.Iface {
         if (catalog != null) {
             DatabaseIf db = catalog.getDbNullable(params.db);
             if (db != null) {
-                List<TableIf> tables = Lists.newArrayList();
-                if (!params.isSetType() || params.getType() == null || params.getType().isEmpty()) {
-                    tables = db.getTablesOrEmpty();
-                } else {
-                    switch (params.getType()) {
-                        case "VIEW":
-                            tables = db.getViewsOrEmpty();
-                            break;
-                        default:
-                            tables = db.getTablesOrEmpty();
+                try {
+                    List<TableIf> tables;
+                    if (!params.isSetType() || params.getType() == null || params.getType().isEmpty()) {
+                        tables = db.getTablesOrEmpty();
+                    } else {
+                        switch (params.getType()) {
+                            case "VIEW":
+                                tables = db.getViewsOrEmpty();
+                                break;
+                            default:
+                                tables = db.getTablesOrEmpty();
+                        }
                     }
-                }
-                for (TableIf table : tables) {
-                    if (!Env.getCurrentEnv().getAccessManager().checkTblPriv(currentUser, params.db,
-                            table.getName(), PrivPredicate.SHOW)) {
-                        continue;
-                    }
-                    table.readLock();
-                    try {
+                    for (TableIf table : tables) {
                         if (!Env.getCurrentEnv().getAccessManager().checkTblPriv(currentUser, params.db,
                                 table.getName(), PrivPredicate.SHOW)) {
                             continue;
                         }
-
-                        if (matcher != null && !matcher.match(table.getName())) {
-                            continue;
+                        table.readLock();
+                        try {
+                            if (matcher != null && !matcher.match(table.getName())) {
+                                continue;
+                            }
+                            long lastCheckTime = table.getLastCheckTime() <= 0 ? 0 : table.getLastCheckTime();
+                            TTableStatus status = new TTableStatus();
+                            status.setName(table.getName());
+                            status.setType(table.getMysqlType());
+                            status.setEngine(table.getEngine());
+                            status.setComment(table.getComment());
+                            status.setCreateTime(table.getCreateTime());
+                            status.setLastCheckTime(lastCheckTime / 1000);
+                            status.setUpdateTime(table.getUpdateTime() / 1000);
+                            status.setCheckTime(lastCheckTime / 1000);
+                            status.setCollation("utf-8");
+                            status.setRows(table.getRowCount());
+                            status.setDataLength(table.getDataLength());
+                            status.setAvgRowLength(table.getAvgRowLength());
+                            tablesResult.add(status);
+                        } finally {
+                            table.readUnlock();
                         }
-                        long lastCheckTime = table.getLastCheckTime() <= 0 ? 0 : table.getLastCheckTime();
-                        TTableStatus status = new TTableStatus();
-                        status.setName(table.getName());
-                        status.setType(table.getMysqlType());
-                        status.setEngine(table.getEngine());
-                        status.setComment(table.getComment());
-                        status.setCreateTime(table.getCreateTime());
-                        status.setLastCheckTime(lastCheckTime / 1000);
-                        status.setUpdateTime(table.getUpdateTime() / 1000);
-                        status.setCheckTime(lastCheckTime / 1000);
-                        status.setCollation("utf-8");
-                        status.setRows(table.getRowCount());
-                        status.setDataLength(table.getDataLength());
-                        status.setAvgRowLength(table.getAvgRowLength());
-                        tablesResult.add(status);
-                    } finally {
-                        table.readUnlock();
                     }
+                } catch (Exception e) {
+                    LOG.warn("failed to get tables for db {} in catalog {}", db.getFullName(), catalogName, e);
                 }
             }
         }
@@ -646,7 +657,6 @@ public class FrontendServiceImpl implements FrontendService.Iface {
     public TFeResult updateExportTaskStatus(TUpdateExportTaskStatusRequest request) throws TException {
         TStatus status = new TStatus(TStatusCode.OK);
         TFeResult result = new TFeResult(FrontendServiceVersion.V1, status);
-
         return result;
     }