force ddl entry lookup

Author: Michicosun

src/Databases/DatabaseReplicatedWorker.cpp

@@ -468,13 +468,7 @@ DDLTaskPtr DatabaseReplicatedDDLWorker::initAndCheckTask(const String & entry_na
         return {};
     }
 
-    String node_data;
-    if (!zookeeper->tryGet(entry_path, node_data))
-    {
-        LOG_ERROR(log, "Cannot get log entry {}", entry_path);
-        throw Exception(ErrorCodes::LOGICAL_ERROR, "should be unreachable");
-    }
-
+    String node_data = zookeeper->get(entry_path);
     task->entry.parse(node_data);
 
     if (task->entry.query.empty())