Display error message when unrecoverable error occurred

PR #19462.

src/base/bittorrent/sessionimpl.cpp

@@ -3143,8 +3143,16 @@ void SessionImpl::generateResumeData()
 void SessionImpl::saveResumeData()
 {
     for (const TorrentImpl *torrent : asConst(m_torrents))
-        torrent->nativeHandle().save_resume_data(lt::torrent_handle::only_if_modified);
-    m_numResumeData += m_torrents.size();
+    {
+        // When the session is terminated due to unrecoverable error
+        // some of the torrent handles can be corrupted
+        try
+        {
+            torrent->nativeHandle().save_resume_data(lt::torrent_handle::only_if_modified);
+            ++m_numResumeData;
+        }
+        catch (const std::exception &) {}
+    }
 
     // clear queued storage move jobs except the current ongoing one
     if (m_moveStorageQueue.size() > 1)

src/base/bittorrent/torrentimpl.cpp

@@ -51,6 +51,7 @@
 #include <QStringList>
 #include <QUrl>
 
+#include "base/exceptions.h"
 #include "base/global.h"
 #include "base/logger.h"
 #include "base/preferences.h"
@@ -1701,6 +1702,7 @@ void TorrentImpl::endReceivedMetadataHandling(const Path &savePath, const PathLi
 }
 
 void TorrentImpl::reload()
+try
 {
     m_completedFiles.fill(false);
     m_filesProgress.fill(0);
@@ -1743,6 +1745,11 @@ void TorrentImpl::reload()
 
     updateState();
 }
+catch (const lt::system_error &err)
+{
+    throw RuntimeError(tr("Failed to reload torrent. Torrent: %1. Reason: %2")
+            .arg(id().toString(), QString::fromLocal8Bit(err.what())));
+}
 
 void TorrentImpl::pause()
 {