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authorMark Haines <mjark@negativecurvature.net>2015-10-13 18:40:57 +0100
committerMark Haines <mjark@negativecurvature.net>2015-10-13 18:40:57 +0100
commit474274583f664cf3184958bff829d7b50224c9a6 (patch)
tree1185679c0a23bd6f7b25c19ef1b0f873dc1be756 /synapse/config
parentMerge pull request #301 from matrix-org/markjh/v2_filtering (diff)
parentEnable stack traces for the demo scripts (diff)
downloadsynapse-474274583f664cf3184958bff829d7b50224c9a6.tar.xz
Merge pull request #303 from matrix-org/markjh/twisted_debugging
Bounce all deferreds through the reactor to make debugging easier.
Diffstat (limited to 'synapse/config')
-rw-r--r--synapse/config/logger.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index bd0c17c861..a13dc170c4 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -22,6 +22,7 @@ import yaml
 from string import Template
 import os
 import signal
+from synapse.util.debug import debug_deferreds
 
 
 DEFAULT_LOG_CONFIG = Template("""
@@ -69,6 +70,8 @@ class LoggingConfig(Config):
         self.verbosity = config.get("verbose", 0)
         self.log_config = self.abspath(config.get("log_config"))
         self.log_file = self.abspath(config.get("log_file"))
+        if config.get("full_twisted_stacktraces"):
+            debug_deferreds()
 
     def default_config(self, config_dir_path, server_name, **kwargs):
         log_file = self.abspath("homeserver.log")
@@ -84,6 +87,11 @@ class LoggingConfig(Config):
 
         # A yaml python logging config file
         log_config: "%(log_config)s"
+
+        # Stop twisted from discarding the stack traces of exceptions in
+        # deferreds by waiting a reactor tick before running a deferred's
+        # callbacks.
+        # full_twisted_stacktraces: true
         """ % locals()
 
     def read_arguments(self, args):