diff --git a/src/tools/clangpchmanagerbackend/clangpchmanagerbackendmain.cpp b/src/tools/clangpchmanagerbackend/clangpchmanagerbackendmain.cpp
index 6289e95a176..27acd5b398f 100644
--- a/src/tools/clangpchmanagerbackend/clangpchmanagerbackendmain.cpp
+++ b/src/tools/clangpchmanagerbackend/clangpchmanagerbackendmain.cpp
@@ -57,6 +57,23 @@ using ClangBackEnd::PchManagerServer;
 using ClangBackEnd::ProjectParts;
 using ClangBackEnd::FilePathCache;
 
+class PchManagerApplication : public QCoreApplication
+{
+public:
+    using QCoreApplication::QCoreApplication;
+
+    bool notify(QObject *object, QEvent *event) override
+    {
+        try {
+            return QCoreApplication::notify(object, event);
+        } catch (Sqlite::Exception &exception) {
+            exception.printWarning();
+        }
+
+        return false;
+    }
+};
+
 class ApplicationEnvironment : public ClangBackEnd::Environment
 {
 public:
@@ -106,13 +123,13 @@ int main(int argc, char *argv[])
         QCoreApplication::setApplicationName(QStringLiteral("ClangPchManagerBackend"));
         QCoreApplication::setApplicationVersion(QStringLiteral("0.1.0"));
 
-        QCoreApplication application(argc, argv);
+        PchManagerApplication application(argc, argv);
 
         const QStringList arguments = processArguments(application);
         const QString connectionName = arguments[0];
         const QString databasePath = arguments[1];
 
-        Sqlite::Database database{Utils::PathString{databasePath}, 1000ms};
+        Sqlite::Database database{Utils::PathString{databasePath}, 100000ms};
         ClangBackEnd::RefactoringDatabaseInitializer<Sqlite::Database> databaseInitializer{database};
         ClangBackEnd::FilePathCaching filePathCache{database};
         ClangPathWatcher<QFileSystemWatcher, QTimer> includeWatcher(filePathCache);
diff --git a/src/tools/clangrefactoringbackend/clangrefactoringbackendmain.cpp b/src/tools/clangrefactoringbackend/clangrefactoringbackendmain.cpp
index f2caace9051..0bc703abf57 100644
--- a/src/tools/clangrefactoringbackend/clangrefactoringbackendmain.cpp
+++ b/src/tools/clangrefactoringbackend/clangrefactoringbackendmain.cpp
@@ -35,6 +35,8 @@
 #include <refactoringclientproxy.h>
 #include <symbolindexing.h>
 
+#include <sqliteexception.h>
+
 #include <chrono>
 
 using namespace std::chrono_literals;
@@ -62,6 +64,23 @@ QStringList processArguments(QCoreApplication &application)
     return parser.positionalArguments();
 }
 
+class RefactoringApplication : public QCoreApplication
+{
+public:
+    using QCoreApplication::QCoreApplication;
+
+    bool notify(QObject *object, QEvent *event) override
+    {
+        try {
+            return QCoreApplication::notify(object, event);
+        } catch (Sqlite::Exception &exception) {
+            exception.printWarning();
+        }
+
+        return false;
+    }
+};
+
 int main(int argc, char *argv[])
 {
     try {
@@ -72,13 +91,13 @@ int main(int argc, char *argv[])
         QCoreApplication::setApplicationName(QStringLiteral("ClangRefactoringBackend"));
         QCoreApplication::setApplicationVersion(QStringLiteral("0.1.0"));
 
-        QCoreApplication application(argc, argv);
+        RefactoringApplication application(argc, argv);
 
         const QStringList arguments = processArguments(application);
         const QString connectionName = arguments[0];
         const QString databasePath = arguments[1];
 
-        Sqlite::Database database{Utils::PathString{databasePath}, 1000ms};
+        Sqlite::Database database{Utils::PathString{databasePath}, 100000ms};
         RefactoringDatabaseInitializer<Sqlite::Database> databaseInitializer{database};
         FilePathCaching filePathCache{database};
         SymbolIndexing symbolIndexing{database, filePathCache};
@@ -87,7 +106,6 @@ int main(int argc, char *argv[])
         connectionServer.setServer(&clangCodeModelServer);
         connectionServer.start(connectionName);
 
-
         return application.exec();
     } catch (const Sqlite::Exception &exception) {
         exception.printWarning();