diff --git a/planetmint/commands/planetmint.py b/planetmint/commands/planetmint.py
index b6c34d2..7bcd2fa 100644
--- a/planetmint/commands/planetmint.py
+++ b/planetmint/commands/planetmint.py
@@ -284,7 +284,7 @@ def run_start(args):
     # Configure Logging
     setup_logging()
 
-    logger.info('Planetmint Version %s', planetmint.__version__)
+    logger.info('Planetmint Version %s', planetmint.version.__version__)
     run_recover(planetmint.lib.Planetmint())
 
     if not args.skip_initialize_database:
diff --git a/planetmint/config.py b/planetmint/config.py
index 76b6048..ed1ce36 100644
--- a/planetmint/config.py
+++ b/planetmint/config.py
@@ -1,7 +1,7 @@
 import copy
 import logging
 import os
-from planetmint.log import DEFAULT_LOGGING_CONFIG as log_config
+#from planetmint.log import DEFAULT_LOGGING_CONFIG as log_config
 from planetmint.version import __version__  # noqa
 
 
@@ -25,6 +25,7 @@ class Config(metaclass=Singleton):
         # prompt the user for database values. We cannot rely on
         # _base_database_localmongodb.keys() because dicts are unordered.
         # I tried to configure
+        self.log_config = DEFAULT_LOGGING_CONFIG
         db = 'tarantool_db'
         self.__private_database_keys_map = {  # TODO Check if it is working after removing 'name' field
             'tarantool_db': ('host', 'port'),
@@ -81,7 +82,7 @@ class Config(metaclass=Singleton):
                 #       - http://docs.gunicorn.org/en/stable/settings.html
                 'bind': 'localhost:9984',
                 'loglevel': logging.getLevelName(
-                    log_config['handlers']['console']['level']).lower(),
+                    self.log_config['handlers']['console']['level']).lower(),
                 'workers': None,  # if None, the value will be cpu_count * 2 + 1
             },
             'wsserver': {
@@ -99,16 +100,16 @@ class Config(metaclass=Singleton):
             },
             'database': self.__private_database_map,
             'log': {
-                'file': log_config['handlers']['file']['filename'],
-                'error_file': log_config['handlers']['errors']['filename'],
+                'file': self.log_config['handlers']['file']['filename'],
+                'error_file': self.log_config['handlers']['errors']['filename'],
                 'level_console': logging.getLevelName(
-                    log_config['handlers']['console']['level']).lower(),
+                    self.log_config['handlers']['console']['level']).lower(),
                 'level_logfile': logging.getLevelName(
-                    log_config['handlers']['file']['level']).lower(),
-                'datefmt_console': log_config['formatters']['console']['datefmt'],
-                'datefmt_logfile': log_config['formatters']['file']['datefmt'],
-                'fmt_console': log_config['formatters']['console']['format'],
-                'fmt_logfile': log_config['formatters']['file']['format'],
+                    self.log_config['handlers']['file']['level']).lower(),
+                'datefmt_console': self.log_config['formatters']['console']['datefmt'],
+                'datefmt_logfile': self.log_config['formatters']['file']['datefmt'],
+                'fmt_console': self.log_config['formatters']['console']['format'],
+                'fmt_logfile': self.log_config['formatters']['file']['format'],
                 'granular_levels': {},
             },
         }
@@ -133,3 +134,53 @@ class Config(metaclass=Singleton):
 
     def get_db_map(sefl, db):
         return sefl.__private_database_map[db]
+
+DEFAULT_LOG_DIR = os.getcwd()
+DEFAULT_LOGGING_CONFIG = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'console': {
+            'class': 'logging.Formatter',
+            'format': ('[%(asctime)s] [%(levelname)s] (%(name)s) '
+                       '%(message)s (%(processName)-10s - pid: %(process)d)'),
+            'datefmt': '%Y-%m-%d %H:%M:%S',
+        },
+        'file': {
+            'class': 'logging.Formatter',
+            'format': ('[%(asctime)s] [%(levelname)s] (%(name)s) '
+                       '%(message)s (%(processName)-10s - pid: %(process)d)'),
+            'datefmt': '%Y-%m-%d %H:%M:%S',
+        }
+    },
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+            'formatter': 'console',
+            'level': logging.INFO,
+        },
+        'file': {
+            'class': 'logging.handlers.RotatingFileHandler',
+            'filename': os.path.join(DEFAULT_LOG_DIR, 'planetmint.log'),
+            'mode': 'w',
+            'maxBytes': 209715200,
+            'backupCount': 5,
+            'formatter': 'file',
+            'level': logging.INFO,
+        },
+        'errors': {
+            'class': 'logging.handlers.RotatingFileHandler',
+            'filename': os.path.join(DEFAULT_LOG_DIR, 'planetmint-errors.log'),
+            'mode': 'w',
+            'maxBytes': 209715200,
+            'backupCount': 5,
+            'formatter': 'file',
+            'level': logging.ERROR,
+        }
+    },
+    'loggers': {},
+    'root': {
+        'level': logging.DEBUG,
+        'handlers': ['console', 'file', 'errors'],
+    },
+}
diff --git a/planetmint/core.py b/planetmint/core.py
index b87a778..5ed429b 100644
--- a/planetmint/core.py
+++ b/planetmint/core.py
@@ -256,7 +256,7 @@ class App(BaseApplication):
 def rollback(b):
     pre_commit = b.get_pre_commit_state()
 
-    if pre_commit is None:
+    if pre_commit is None or len(pre_commit) == 0:
         # the pre_commit record is first stored in the first `end_block`
         return
 
diff --git a/planetmint/log.py b/planetmint/log.py
index 2dca987..337f346 100644
--- a/planetmint/log.py
+++ b/planetmint/log.py
@@ -8,59 +8,10 @@ import logging
 
 from planetmint.common.exceptions import ConfigurationError
 from logging.config import dictConfig as set_logging_config
+from planetmint.config import Config, DEFAULT_LOGGING_CONFIG
 import os
 
 
-DEFAULT_LOG_DIR = os.getcwd()
-
-DEFAULT_LOGGING_CONFIG = {
-    'version': 1,
-    'disable_existing_loggers': False,
-    'formatters': {
-        'console': {
-            'class': 'logging.Formatter',
-            'format': ('[%(asctime)s] [%(levelname)s] (%(name)s) '
-                       '%(message)s (%(processName)-10s - pid: %(process)d)'),
-            'datefmt': '%Y-%m-%d %H:%M:%S',
-        },
-        'file': {
-            'class': 'logging.Formatter',
-            'format': ('[%(asctime)s] [%(levelname)s] (%(name)s) '
-                       '%(message)s (%(processName)-10s - pid: %(process)d)'),
-            'datefmt': '%Y-%m-%d %H:%M:%S',
-        }
-    },
-    'handlers': {
-        'console': {
-            'class': 'logging.StreamHandler',
-            'formatter': 'console',
-            'level': logging.INFO,
-        },
-        'file': {
-            'class': 'logging.handlers.RotatingFileHandler',
-            'filename': os.path.join(DEFAULT_LOG_DIR, 'planetmint.log'),
-            'mode': 'w',
-            'maxBytes': 209715200,
-            'backupCount': 5,
-            'formatter': 'file',
-            'level': logging.INFO,
-        },
-        'errors': {
-            'class': 'logging.handlers.RotatingFileHandler',
-            'filename': os.path.join(DEFAULT_LOG_DIR, 'planetmint-errors.log'),
-            'mode': 'w',
-            'maxBytes': 209715200,
-            'backupCount': 5,
-            'formatter': 'file',
-            'level': logging.ERROR,
-        }
-    },
-    'loggers': {},
-    'root': {
-        'level': logging.DEBUG,
-        'handlers': ['console', 'file', 'errors'],
-    },
-}
 
 
 def _normalize_log_level(level):