diff --git a/hsarback/src/de/hsadmin/mods/pac/Pac.java b/hsarback/src/de/hsadmin/mods/pac/Pac.java
index 8dc6734..a17e666 100644
--- a/hsarback/src/de/hsadmin/mods/pac/Pac.java
+++ b/hsarback/src/de/hsadmin/mods/pac/Pac.java
@@ -35,7 +35,7 @@ import de.hsadmin.mods.user.UnixUser;
 @EntityInfo(name = "Paket")
 public class Pac extends AbstractEntity implements Serializable {
 	
-	private static final long serialVersionUID = 1201899873300190132L;
+	private static final long serialVersionUID = 1L;
 
 	@Id
 	@GeneratedValue(strategy = SEQUENCE, generator = "PacsSeqGen")
diff --git a/hsarback/src/de/hsadmin/mods/pac/PacComponent.java b/hsarback/src/de/hsadmin/mods/pac/PacComponent.java
index d57bf8c..3892048 100644
--- a/hsarback/src/de/hsadmin/mods/pac/PacComponent.java
+++ b/hsarback/src/de/hsadmin/mods/pac/PacComponent.java
@@ -1,5 +1,6 @@
 package de.hsadmin.mods.pac;
 
+import java.io.Serializable;
 import java.util.Date;
 
 import javax.persistence.Column;
@@ -15,8 +16,10 @@ import javax.persistence.TemporalType;
 @Entity(name = "PacComponents")
 @Table(name = "packet_component")
 @IdClass(PacComponentId.class)
-public class PacComponent {
+public class PacComponent implements Serializable {
 	
+	private static final long serialVersionUID = 1L;
+
 	@Id
 	@Column(name="packet_id", insertable=false, updatable=false, columnDefinition = "integer")
 	private long pacId;
diff --git a/hsarback/src/de/hsadmin/mods/pac/PacComponentId.java b/hsarback/src/de/hsadmin/mods/pac/PacComponentId.java
index d52a56f..8a4f0a4 100644
--- a/hsarback/src/de/hsadmin/mods/pac/PacComponentId.java
+++ b/hsarback/src/de/hsadmin/mods/pac/PacComponentId.java
@@ -6,7 +6,7 @@ import java.io.Serializable;
 
 public class PacComponentId implements Serializable {
 
-	private static final long serialVersionUID = -3018368675798315892L;
+	private static final long serialVersionUID = 1L;
 	
 	private long pacId;
 	private long basePacId;
diff --git a/hsarback/src/de/hsadmin/mods/pac/PacProcessorFactory.java b/hsarback/src/de/hsadmin/mods/pac/PacProcessorFactory.java
index 4f8011a..deebbed 100644
--- a/hsarback/src/de/hsadmin/mods/pac/PacProcessorFactory.java
+++ b/hsarback/src/de/hsadmin/mods/pac/PacProcessorFactory.java
@@ -42,7 +42,6 @@ public class PacProcessorFactory implements EntityProcessorFactory {
 	public <T extends AbstractEntity> Processor createCreateProcessor(
 			EntityManager em, T entity) throws ProcessorException {
 		Pac pac = (Pac) entity;
-		String inetAddr = pac.getCurINetAddr().getInetAddr();
 		String pacName = pac.getName();
 		String customerEMail = pac.getCustomer().getContractualContact().getEmail();
 		UnixUser unixUser = null;