Add another try/catch

cpp/db_common.cpp

@@ -46,6 +46,7 @@ QSqlDatabase get_thread_connection() {
 
         // Check if the connection already exists for this thread
         attempt++;
+        try {
             if (QSqlDatabase::contains(connection_name)) {
                 QSqlDatabase db = QSqlDatabase::database(connection_name);
                 if (!db.isOpen()) {
@@ -63,6 +64,10 @@ QSqlDatabase get_thread_connection() {
 
             thread_db = QSqlDatabase::addDatabase("QSQLITE", connection_name);
             thread_db.setDatabaseName(shared_database_path);
+        } catch (...) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(get_delay(attempt)));
+            continue;
+        }
 
         if (!thread_db.open()) throw std::runtime_error("Failed to open new database connection for thread: " + thread_db.lastError().text().toStdString());
         passed = true;