diff --git a/offlineimap/accounts.py b/offlineimap/accounts.py
index cd09646..8c03e69 100644
--- a/offlineimap/accounts.py
+++ b/offlineimap/accounts.py
@@ -24,6 +24,7 @@ from threading import Event, Lock
 import os
 from Queue import Queue, Empty
 import sys
+import traceback
 
 class SigListener(Queue):
     def __init__(self):
@@ -191,7 +192,7 @@ class AccountSynchronizationMixin:
                     raise
                 except:
                     self.ui.warn("Error occured attempting to sync account " + self.name \
-                                 + ": " + str(sys.exc_info()[1]))
+                                 + ": " + traceback.format_exc())
             finally:
                 self.ui.acctdone(self.name)
 
@@ -207,7 +208,7 @@ class AccountSynchronizationMixin:
                     raise
                 except:
                     self.ui.warn("Error occured attempting to sync account " + self.name \
-                                 + ": " + str(sys.exc_info()[1]))
+                                 + ": " + traceback.format_exc())
             finally:
                 looping = self.sleeper(siglistener) != 2
                 self.ui.acctdone(self.name)
diff --git a/offlineimap/folder/Base.py b/offlineimap/folder/Base.py
index e1bdf0a..0524ec9 100644
--- a/offlineimap/folder/Base.py
+++ b/offlineimap/folder/Base.py
@@ -22,6 +22,7 @@ from offlineimap.ui import getglobalui
 import os.path
 import re
 import sys
+import traceback
 
 class BaseFolder:
     def __init__(self):
@@ -292,8 +293,8 @@ class BaseFolder:
         except (KeyboardInterrupt):
             raise
         except:
-            self.ui.warn("ERROR attempting to copy message " + str(uid) \
-                 + " for account " + self.getaccountname() + ":" + str(sys.exc_info()[1]))
+            UIBase.getglobalui().warn("ERROR attempting to copy message " + str(uid) \
+                 + " for account " + self.getaccountname() + ":" + traceback.format_exc())
         
 
     def syncmessagesto_copy(self, dest, applyto):
@@ -399,8 +400,8 @@ class BaseFolder:
         except (KeyboardInterrupt):
             raise
         except:
-            self.ui.warn("ERROR attempting to handle negative uids " \
-                + "for account " + self.getaccountname() + ":" + str(sys.exc_info()[1]))
+            UIBase.getglobalui().warn("ERROR attempting to handle negative uids " \
+                + "for account " + self.getaccountname() + ":" + traceback.format_exc())
 
         #all threads launched here are in try / except clauses when they copy anyway...
         self.syncmessagesto_copy(dest, applyto)
@@ -410,8 +411,8 @@ class BaseFolder:
         except (KeyboardInterrupt):
             raise
         except:
-            self.ui.warn("ERROR attempting to delete messages " \
-                + "for account " + self.getaccountname() + ":" + str(sys.exc_info()[1]))
+            UIBase.getglobalui().warn("ERROR attempting to delete messages " \
+                + "for account " + self.getaccountname() + ":" + traceback.format_exc())
 
         # Now, the message lists should be identical wrt the uids present.
         # (except for potential negative uids that couldn't be placed
@@ -422,7 +423,7 @@ class BaseFolder:
         except (KeyboardInterrupt):
             raise
         except:
-            self.ui.warn("ERROR attempting to sync flags " \
-                + "for account " + self.getaccountname() + ":" + str(sys.exc_info()[1]))
+            UIBase.getglobalui().warn("ERROR attempting to sync flags " \
+                + "for account " + self.getaccountname() + ":" + traceback.format_exc())
         
             
diff --git a/offlineimap/repository/Base.py b/offlineimap/repository/Base.py
index cec9c61..98add53 100644
--- a/offlineimap/repository/Base.py
+++ b/offlineimap/repository/Base.py
@@ -20,6 +20,7 @@ from offlineimap import CustomConfig
 from offlineimap.ui import getglobalui
 import os.path
 import sys
+import traceback
 
 def LoadRepository(name, account, reqtype):
     from offlineimap.repository.Gmail import GmailRepository
@@ -166,8 +167,8 @@ class BaseRepository(CustomConfig.ConfigHelperMixin):
                 except (KeyboardInterrupt):
                     raise
                 except:
-                    getglobalui().warn("ERROR Attempting to make folder " \
-                        + key + ":"  +str(sys.exc_info()[1]))
+                    UIBase.getglobalui().warn("ERROR Attempting to make folder " \
+                        + key + ":"  +traceback.format_exc())
 
         #
         # Find deleted folders.