diff --git a/src/main/java/org/caosdb/server/CaosDBServer.java b/src/main/java/org/caosdb/server/CaosDBServer.java
index a7aa4f8d7ee97702a6aa17e0679ef4eea29032aa..091d417320dccfa944a772e4ec15ddf830009f52 100644
--- a/src/main/java/org/caosdb/server/CaosDBServer.java
+++ b/src/main/java/org/caosdb/server/CaosDBServer.java
@@ -326,7 +326,7 @@ public class CaosDBServer extends Application {
 
         // ChecksumUpdater
         ChecksumUpdater.start();
-        
+
         ThreadContext.remove();
       }
     } else {
diff --git a/src/main/java/org/caosdb/server/jobs/Job.java b/src/main/java/org/caosdb/server/jobs/Job.java
index 14d1185c5c5cdeadc77bef3610496708f8da4d87..9bca9eb2e1b9a78e9e73a79b5f31161b345f2dc1 100644
--- a/src/main/java/org/caosdb/server/jobs/Job.java
+++ b/src/main/java/org/caosdb/server/jobs/Job.java
@@ -27,7 +27,6 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
-import org.apache.shiro.SecurityUtils;
 import org.apache.shiro.authz.AuthorizationException;
 import org.apache.shiro.authz.Permission;
 import org.apache.shiro.subject.Subject;
diff --git a/src/main/java/org/caosdb/server/jobs/core/CheckPropValid.java b/src/main/java/org/caosdb/server/jobs/core/CheckPropValid.java
index 7d9dbc910e4851292cd6f2d13b916bbc93a194fd..112692c89a403366eb9eeb02d32355982a96a236 100644
--- a/src/main/java/org/caosdb/server/jobs/core/CheckPropValid.java
+++ b/src/main/java/org/caosdb/server/jobs/core/CheckPropValid.java
@@ -23,8 +23,9 @@
 package org.caosdb.server.jobs.core;
 
 import static org.caosdb.server.utils.ServerMessages.ENTITY_DOES_NOT_EXIST;
-import org.apache.shiro.authz.AuthorizationException;
+
 import com.google.common.base.Objects;
+import org.apache.shiro.authz.AuthorizationException;
 import org.caosdb.server.database.exceptions.EntityDoesNotExistException;
 import org.caosdb.server.database.exceptions.EntityWasNotUniqueException;
 import org.caosdb.server.entity.EntityInterface;
@@ -126,12 +127,12 @@ public class CheckPropValid extends EntityJob {
       } catch (final Message m) {
         property.addError(m);
       } catch (AuthorizationException e) {
-        property.addError( ServerMessages.AUTHORIZATION_ERROR);
+        property.addError(ServerMessages.AUTHORIZATION_ERROR);
         property.addInfo(e.getMessage());
       } catch (final EntityDoesNotExistException e) {
-        property.addError( ENTITY_DOES_NOT_EXIST);
+        property.addError(ENTITY_DOES_NOT_EXIST);
       } catch (final EntityWasNotUniqueException e) {
-        property.addError( ServerMessages.ENTITY_NAME_DUPLICATES);
+        property.addError(ServerMessages.ENTITY_NAME_DUPLICATES);
       }
     }