[JENKINS-50124] restore AbstractTaskListeners serialVersionUID.

If a subclass was serialized (default java serialization) then the changes do push down the method to the interface would break deserialisation when in reality the classes are still compatable. Restoring the compatability by hard coding the serialVersionUID to what it was before the change.
jenkinsci · Mar 12, 2018 · dcf22ca · dcf22ca
1 parent dcad69d
commit dcf22ca
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/src/main/java/hudson/util/AbstractTaskListener.java b/core/src/main/java/hudson/util/AbstractTaskListener.java
@@ -13,4 +13,7 @@
 @Restricted(NoExternalUse.class)
 @RestrictedSince("2.91")
 public abstract class AbstractTaskListener implements TaskListener {
+
+    private static final long serialVersionUID = 7217626701881006422L;
+
 }