4 files changed, 12 insertions, 8 deletions
diff --git a/libjava/java/rmi/activation/ActivationDesc.java b/libjava/java/rmi/activation/ActivationDesc.java
index 0e4216a..b0f22aa 100644
--- a/libjava/java/rmi/activation/ActivationDesc.java
+++ b/libjava/java/rmi/activation/ActivationDesc.java
@@ -40,8 +40,9 @@ package java.rmi.activation;
 import java.io.Serializable;
 import java.rmi.MarshalledObject;
 
-public final class ActivationDesc
-	implements Serializable {
+public final class ActivationDesc implements Serializable
+{
+  static final long serialVersionUID = 7455834104417690957L;
 
 private ActivationGroupID groupid;
 private String classname;
diff --git a/libjava/java/rmi/activation/ActivationGroupDesc.java b/libjava/java/rmi/activation/ActivationGroupDesc.java
index da61fcc..1c627e4 100644
--- a/libjava/java/rmi/activation/ActivationGroupDesc.java
+++ b/libjava/java/rmi/activation/ActivationGroupDesc.java
@@ -41,8 +41,9 @@ import java.io.Serializable;
 import java.util.Properties;
 import java.rmi.MarshalledObject;
 
-public final class ActivationGroupDesc
-	implements Serializable {
+public final class ActivationGroupDesc implements Serializable
+{
+  static final long serialVersionUID = -4936225423168276595L;
 
 public static class CommandEnvironment
 	implements Serializable {
diff --git a/libjava/java/rmi/activation/ActivationGroupID.java b/libjava/java/rmi/activation/ActivationGroupID.java
index 9ce8160..9fff53bb 100644
--- a/libjava/java/rmi/activation/ActivationGroupID.java
+++ b/libjava/java/rmi/activation/ActivationGroupID.java
@@ -39,8 +39,9 @@ package java.rmi.activation;
 
 import java.io.Serializable;
 
-public class ActivationGroupID
-	implements Serializable {
+public class ActivationGroupID implements Serializable
+{
+  static final long serialVersionUID = -1648432278909740833L;
 
 private ActivationSystem system;
 
diff --git a/libjava/java/rmi/activation/ActivationID.java b/libjava/java/rmi/activation/ActivationID.java
index 4f1951e..62bd776 100644
--- a/libjava/java/rmi/activation/ActivationID.java
+++ b/libjava/java/rmi/activation/ActivationID.java
@@ -41,8 +41,9 @@ import java.io.Serializable;
 import java.rmi.Remote;
 import java.rmi.RemoteException;
 
-public class ActivationID
-	implements Serializable {
+public class ActivationID implements Serializable
+{
+  static final long serialVersionUID = -4608673054848209235L;
 
 private Activator activator;