Fix AdoNetAppender using npgsql

murongqingsi · Dec 8, 2020 · 634ffca · 634ffca
1 parent dbad144
commit 634ffca
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/src/log4net/Appender/AdoNetAppender.cs b/src/log4net/Appender/AdoNetAppender.cs
@@ -553,8 +553,17 @@ protected virtual void SendBuffer(IDbTransaction dbTran, LoggingEvent[] events)
 					{
 						dbCmd.Transaction = dbTran;
 					}
-					// prepare the command, which is significantly faster
-					dbCmd.Prepare();
+
+					try
+					{
+						// prepare the command, which is significantly faster
+						dbCmd.Prepare();
+					}
+					catch (Exception)
+					{
+						// ignore prepare exceptions as they can happen without affecting actual logging, eg on npgsql
+					}
+
 					// run for all events
 					foreach (LoggingEvent e in events)
 					{