[Fix](group commit) Fix table not found fault when disable group commit (#39731)

## Proposed changes

<!--Describe your changes.-->

selectRedirectBackend param table id is only needed by group commit. In
non group commit mode, if table id is null, we need to ignore it.

Author: Yukang-Lian

fe/fe-core/src/main/java/org/apache/doris/httpv2/rest/LoadAction.java

@@ -313,17 +313,20 @@ private Object executeWithoutPassword(HttpServletRequest request,
                     return new RestBaseResult(e.getMessage());
                 }
             } else {
-                Optional<?> database = Env.getCurrentEnv().getCurrentCatalog().getDb(dbName);
-                if (!database.isPresent()) {
-                    return new RestBaseResult("Database not founded.");
-                }
+                long tableId = -1;
+                if (groupCommit) {
+                    Optional<?> database = Env.getCurrentEnv().getCurrentCatalog().getDb(dbName);
+                    if (!database.isPresent()) {
+                        return new RestBaseResult("Database not found.");
+                    }
 
-                Optional<?> olapTable = ((Database) database.get()).getTable(tableName);
-                if (!olapTable.isPresent()) {
-                    return new RestBaseResult("OlapTable not founded.");
-                }
+                    Optional<?> olapTable = ((Database) database.get()).getTable(tableName);
+                    if (!olapTable.isPresent()) {
+                        return new RestBaseResult("OlapTable not found.");
+                    }
 
-                long tableId = ((OlapTable) olapTable.get()).getId();
+                    tableId = ((OlapTable) olapTable.get()).getId();
+                }
                 redirectAddr = selectRedirectBackend(request, groupCommit, tableId);
             }
 
@@ -403,6 +406,9 @@ private TNetworkAddress selectRedirectBackend(HttpServletRequest request, boolea
             }
             return selectCloudRedirectBackend(cloudClusterName, request, groupCommit, tableId);
         } else {
+            if (groupCommit && tableId == -1) {
+                throw new LoadException("Group commit table id wrong.");
+            }
             return selectLocalRedirectBackend(groupCommit, request, tableId);
         }
     }

regression-test/suites/load_p0/stream_load/test_group_commit_stream_load_with_nonexist_db_and_table.groovy

@@ -0,0 +1,41 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("test_group_commit_stream_load_with_nonexist_db_and_table") {
+    def tableName = "test_group_commit_stream_load_with_nonexist_db_and_table"
+    sql "create database if not exists ${tableName}"
+
+    try {
+        def command = "curl --location-trusted -u ${context.config.feHttpUser}:${context.config.feHttpPassword}" +
+                " -H group_commit:sync_mode" +
+                " -H column_separator:," +
+                " -T ${context.config.dataPath}/load_p0/stream_load/test_stream_load1.csv" +
+                " http://${context.config.feHttpAddress}/api/${tableName}/${tableName}/_stream_load"
+        log.info("stream load command: ${command}")
+
+        def process = command.execute()
+        code = process.waitFor()
+        out = process.text
+        log.info("stream lad result: ${out}".toString())
+        assertTrue(out.toString().contains("table not found"))
+    } catch (Exception e) {
+        logger.info("failed: " + e.getMessage())
+        assertTrue(false)
+    } finally {
+
+    }
+}