diff --git a/build.gradle b/build.gradle
index 3e250af..4ac78ff 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ idea {
 }
 
 group "net.trivernis"
-version "0.12-beta"
+version "0.13-beta"
 
 sourceCompatibility = 1.8
 
diff --git a/src/main/kotlin/net/trivernis/chunkmaster/lib/SqlUpdateManager.kt b/src/main/kotlin/net/trivernis/chunkmaster/lib/SqlUpdateManager.kt
index 217b6ae..5bd748e 100644
--- a/src/main/kotlin/net/trivernis/chunkmaster/lib/SqlUpdateManager.kt
+++ b/src/main/kotlin/net/trivernis/chunkmaster/lib/SqlUpdateManager.kt
@@ -1,6 +1,7 @@
 package net.trivernis.chunkmaster.lib
 
 import net.trivernis.chunkmaster.Chunkmaster
+import org.apache.commons.lang.exception.ExceptionUtils
 import java.lang.Exception
 import java.sql.Connection
 
@@ -41,6 +42,7 @@ class SqlUpdateManager(private val connnection: Connection, private val chunkmas
             } else {
                 needCreation.add(table.first)
             }
+            resTables.close()
         }
     }
 
@@ -63,7 +65,7 @@ class SqlUpdateManager(private val connnection: Connection, private val chunkmas
             } catch (err: Exception) {
                 chunkmaster.logger.severe("Error creating table $table.")
                 chunkmaster.logger.severe(err.message)
-                chunkmaster.logger.info(err.stackTrace.toString())
+                chunkmaster.logger.info(ExceptionUtils.getStackTrace(err));
             }
         }
         for (table in needUpdate) {
@@ -76,7 +78,7 @@ class SqlUpdateManager(private val connnection: Connection, private val chunkmas
             } catch (e: Exception) {
                 chunkmaster.logger.severe("Failed to update table ${table.first} with sql $updateSql")
                 chunkmaster.logger.severe(e.message)
-                chunkmaster.logger.info(e.stackTrace.toString())
+                chunkmaster.logger.info(ExceptionUtils.getStackTrace(e))
             }
         }
     }
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 7ee3e97..bcd774a 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 main: net.trivernis.chunkmaster.Chunkmaster
 name: Chunkmaster
-version: '0.12-beta'
+version: '0.13-beta'
 description: Chunk commands plugin.
 author: Trivernis
 website: trivernis.net