diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index cf73d770e2694b8923958335e04b9a772e8d4d13..c18fd2b718cb0c59c54d4ea4249196da344a5034 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -21,6 +21,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-235 - Some test cases random fail
 - MS-236 - Add MySQLMetaImpl::HasNonIndexFiles
 - MS-257 - Update bzip2 download url
+- MS-330 - Stability test failed caused by server core dumped
 
 ## Improvement
 - MS-156 - Add unittest for merge result functions
diff --git a/cpp/src/db/Utils.cpp b/cpp/src/db/Utils.cpp
index 933ca06bd55e05828294895e4fa225096a9dd6fe..98a4f356df83e3d332e2c1d7d1e2352e0f1e3fc0 100644
--- a/cpp/src/db/Utils.cpp
+++ b/cpp/src/db/Utils.cpp
@@ -131,7 +131,9 @@ Status GetTableFilePath(const DBMetaOptions& options, meta::TableFileSchema& tab
         }
     }
 
-    return Status::Error("Table file doesn't exist: " + table_file.file_id_);
+    std::string msg = "Table file doesn't exist: " + table_file.file_id_;
+    ENGINE_LOG_ERROR << msg;
+    return Status::Error(msg);
 }
 
 Status DeleteTableFilePath(const DBMetaOptions& options, meta::TableFileSchema& table_file) {
diff --git a/cpp/src/db/scheduler/task/IndexLoadTask.cpp b/cpp/src/db/scheduler/task/IndexLoadTask.cpp
index f3aacf83528aa2cd6b8fea646c0fc833f54883cd..d33828391aa090d7b93ac722152f3c71c2b43bd0 100644
--- a/cpp/src/db/scheduler/task/IndexLoadTask.cpp
+++ b/cpp/src/db/scheduler/task/IndexLoadTask.cpp
@@ -46,7 +46,20 @@ std::shared_ptr<IScheduleTask> IndexLoadTask::Execute() {
     ExecutionEnginePtr index_ptr = EngineFactory::Build(file_->dimension_,
                                                         file_->location_,
                                                         (EngineType)file_->engine_type_);
-    index_ptr->Load();
+
+    try {
+        index_ptr->Load();
+    } catch (std::exception& ex) {
+        //typical error: out of disk space or permition denied
+        std::string msg = "Failed to load index file: " + std::string(ex.what());
+        ENGINE_LOG_ERROR << msg;
+
+        for(auto& context : search_contexts_) {
+            context->IndexSearchDone(file_->id_);//mark as done avoid dead lock, even failed
+        }
+
+        return nullptr;
+    }
 
     size_t file_size = index_ptr->PhysicalSize();