# HG changeset patch
# User Alain Mazy <am@orthanc.team>
# Date 1786445270 -7200
# Node ID a7b50450570c870c5f8b34845e746693df45652a
# Parent  83b3ccf70aadbf0ea5f2e30854f4528e4c8ee8b1
Fix: If the metadata cache attachment is missing from disk for a series, it is now generated again.

diff -r 83b3ccf70aad -r a7b50450570c NEWS
--- a/NEWS	Tue Aug 11 12:38:45 2026 +0200
+++ b/NEWS	Tue Aug 11 12:47:50 2026 +0200
@@ -9,6 +9,7 @@
   large datasets. (contribution by Yusuf Sayita, Philips)
 * Clarified error message when trying to access a single frame from a video in WADO-RS.
 * Fixed rendering of multiframe RGB48 images (TODO: requires the latest OrthancFramework)
+* Fix: If the metadata cache attachment is missing from disk for a series, it is now generated again.
 
 
 Version 1.23 (2026-04-15)
diff -r 83b3ccf70aad -r a7b50450570c Plugin/WadoRs.cpp
--- a/Plugin/WadoRs.cpp	Tue Aug 11 12:38:45 2026 +0200
+++ b/Plugin/WadoRs.cpp	Tue Aug 11 12:47:50 2026 +0200
@@ -2037,7 +2037,17 @@
 
     std::string attachmentUrl = "/series/" + seriesOrthancId + "/attachments/" + SERIES_METADATA_ATTACHMENT_ID;
 
-    if (OrthancPlugins::RestApiGetString(cacheContent, attachmentUrl + "/data", false))
+    bool attachmentFound = false;
+    try
+    {
+      attachmentFound = OrthancPlugins::RestApiGetString(cacheContent, attachmentUrl + "/data", false);
+    }
+    catch (...)
+    {
+      // ignore the error and regenerate
+    }
+
+    if (attachmentFound)
     {
       if (boost::starts_with(cacheContent, "2;"))  // version 2, cacheContent is "2;sorted-instances-list-md5;compressedSeriesMetadata"
       {