[JENKINS-22395] more diagnostics

Just in case the previous fix didn't address the root cause of ZD-11985 (and given the time it takes for changes like this to land in LTS), I'm adding additional diagnostics that let us track how previous/next builds are getting discovered (cherry picked from commit aa8e0b4)
jenkinsci · Jul 11, 2014 · 921001d · 921001d
1 parent ad65cec
commit 921001d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/core/src/main/java/jenkins/model/lazy/LazyBuildMixIn.java b/core/src/main/java/jenkins/model/lazy/LazyBuildMixIn.java
@@ -46,6 +46,8 @@
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.DoNotUse;
 
+import static java.util.logging.Level.FINER;
+
 /**
  * Makes it easier to use a lazy {@link RunMap} from a {@link Job} implementation.
  * Provides method implementations for some abstract {@link Job} methods,
@@ -359,6 +361,7 @@ public final RunT getPreviousBuild() {
                     if (pb != null) {
                         pb.getRunMixIn().nextBuildR = createReference();   // establish bi-di link
                         this.previousBuildR = pb.getRunMixIn().createReference();
+                        LOGGER.log(FINER, "Linked {0}<->{1} in getPreviousBuild()", new Object[]{this, pb});
                         return pb;
                     } else {
                         this.previousBuildR = none();
@@ -392,6 +395,7 @@ public final RunT getNextBuild() {
                     if (nb != null) {
                         nb.getRunMixIn().previousBuildR = createReference();   // establish bi-di link
                         this.nextBuildR = nb.getRunMixIn().createReference();
+                        LOGGER.log(FINER, "Linked {0}<->{1} in getNextBuild()", new Object[]{this, nb});
                         return nb;
                     } else {
                         this.nextBuildR = none();