From 8a07819689fa6239382fe047cd7162ef7d2eecbd Mon Sep 17 00:00:00 2001
From: Sascha Lisson <sl@q60.de>
Date: Wed, 26 Feb 2025 09:56:22 +0100
Subject: [PATCH] fix(mps-sync-plugin): handle exceptions during initial sync

---
 .../kotlin/org/modelix/mps/sync3/BindingWorker.kt   | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/mps-sync-plugin3/src/main/kotlin/org/modelix/mps/sync3/BindingWorker.kt b/mps-sync-plugin3/src/main/kotlin/org/modelix/mps/sync3/BindingWorker.kt
index a514edc970..0f6eabc057 100644
--- a/mps-sync-plugin3/src/main/kotlin/org/modelix/mps/sync3/BindingWorker.kt
+++ b/mps-sync-plugin3/src/main/kotlin/org/modelix/mps/sync3/BindingWorker.kt
@@ -2,6 +2,7 @@ package org.modelix.mps.sync3
 
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.ModalityState
+import io.ktor.utils.io.CancellationException
 import jetbrains.mps.project.MPSProject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
@@ -91,7 +92,17 @@ class BindingWorker(
 
     private suspend fun CoroutineScope.syncJob() {
         // initial sync
-        initialSync()
+        while (isActive()) {
+            try {
+                initialSync()
+                break
+            } catch (ex: CancellationException) {
+                break
+            } catch (ex: Exception) {
+                LOG.error(ex) { "Initial synchronization failed" }
+                delay(5_000)
+            }
+        }
 
         // continuous sync to MPS
         launchLoop {