Report search error once

app/src/main/java/eu/faircode/email/ViewModelBrowse.java

@@ -66,6 +66,7 @@ public class ViewModelBrowse extends ViewModel {
         Message[] imessages = null;
 
         int index = -1;
+        boolean error = false;
     }
 
     void set(Context context, long folder, String search, int pageSize) {
@@ -75,6 +76,7 @@ public class ViewModelBrowse extends ViewModel {
         currentState.search = search;
         currentState.pageSize = pageSize;
         currentState.index = -1;
+        currentState.error = false;
     }
 
     boolean isSearching() {
@@ -83,8 +85,8 @@ public class ViewModelBrowse extends ViewModel {
     }
 
     void load() throws MessagingException, IOException {
-        State state = currentState;
+        final State state = currentState;
-        if (state == null)
+        if (state == null || state.error)
             return;
 
         DB db = DB.getInstance(state.context);
@@ -157,6 +159,7 @@ public class ViewModelBrowse extends ViewModel {
             try {
                 Properties props = MessageHelper.getSessionProperties(account.auth_type, account.realm, account.insecure);
                 Session isession = Session.getInstance(props, null);
+                isession.setDebug(true);
 
                 Log.i("Boundary connecting account=" + account.name);
                 state.istore = (IMAPStore) isession.getStore(account.starttls ? "imap" : "imaps");
@@ -188,11 +191,13 @@ public class ViewModelBrowse extends ViewModel {
                     }
 
                     state.imessages = state.ifolder.search(term);
+
                 }
                 Log.i("Boundary found messages=" + state.imessages.length);
 
                 state.index = state.imessages.length - 1;
             } catch (Throwable ex) {
+                state.error = true;
                 if (ex instanceof FolderClosedException)
                     Log.w("Search", ex);
                 else {