Surround more synchronization logic with try-catch, hope this makes things more resilient

src/com/timsu/astrid/sync/SynchronizationProvider.java

@@ -213,7 +213,7 @@ public abstract class SynchronizationProvider {
      * @param remoteTasks remote tasks that have been updated
      * @return local tasks that need to be pushed across
      */
-    protected void synchronizeTasks(final Context context, LinkedList<TaskProxy>
+    protected synchronized void synchronizeTasks(final Context context, LinkedList<TaskProxy>
             remoteTasks, SynchronizeHelper helper) throws IOException {
         final SyncStats stats = new SyncStats();
         final StringBuilder log = new StringBuilder();
@@ -284,6 +284,7 @@ public abstract class SynchronizationProvider {
 
         // 3. UPDATE: for each updated local task
         for(SyncMapping mapping : data.localChanges) {
+            try {
                 TaskProxy localTask = new TaskProxy(getId(), mapping.getRemoteId());
                 TaskModelForSync task = taskController.fetchTaskForSync(
                         mapping.getTask());
@@ -294,9 +295,13 @@ public abstract class SynchronizationProvider {
                 localTask.readFromTaskModel(task);
                 localTask.readTagsFromController(task.getTaskIdentifier(),
                         tagController, data.tags);
-
                 postUpdate(new ProgressLabelUpdater(context, R.string.sync_progress_localtx,
                         task.getName()));
+            } catch (Exception e) {
+                AstridUtilities.reportFlurryError("sync-read-local-task", e);
+                Log.e("astrid", "Exception receiving task", e);
+                log.append("error reading local task\n");
+            }
             postUpdate(new ProgressUpdater(stats.remoteUpdatedTasks,
                     data.localChanges.size()));