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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-04-27 11:47:49 +0100
committerGitHub <noreply@github.com>2018-04-27 11:47:49 +0100
commit9c3da2456183172677c27fbe6e0243af1a2c68a6 (patch)
treef022f1fc5930a11c0d9058544dc480cfbb7fdf9f /synapse/appservice
parentMerge pull request #3139 from matrix-org/rav/consume_errors (diff)
parentImprove exception handling for background processes (diff)
downloadsynapse-9c3da2456183172677c27fbe6e0243af1a2c68a6.tar.xz
Merge pull request #3138 from matrix-org/rav/catch_unhandled_exceptions
Improve exception handling for background processes
Diffstat (limited to 'synapse/appservice')
-rw-r--r--synapse/appservice/scheduler.py25
1 files changed, 14 insertions, 11 deletions
diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py
index 6da315473d..dfc8d1b42e 100644
--- a/synapse/appservice/scheduler.py
+++ b/synapse/appservice/scheduler.py
@@ -176,17 +176,20 @@ class _TransactionController(object):
 
     @defer.inlineCallbacks
     def _start_recoverer(self, service):
-        yield self.store.set_appservice_state(
-            service,
-            ApplicationServiceState.DOWN
-        )
-        logger.info(
-            "Application service falling behind. Starting recoverer. AS ID %s",
-            service.id
-        )
-        recoverer = self.recoverer_fn(service, self.on_recovered)
-        self.add_recoverers([recoverer])
-        recoverer.recover()
+        try:
+            yield self.store.set_appservice_state(
+                service,
+                ApplicationServiceState.DOWN
+            )
+            logger.info(
+                "Application service falling behind. Starting recoverer. AS ID %s",
+                service.id
+            )
+            recoverer = self.recoverer_fn(service, self.on_recovered)
+            self.add_recoverers([recoverer])
+            recoverer.recover()
+        except Exception:
+            logger.exception("Error starting AS recoverer")
 
     @defer.inlineCallbacks
     def _is_service_up(self, service):