[JENKINS-26739] Merging #1592.

jenkinsci · Mar 3, 2015 · cf2b02d · cf2b02d
2 parents 87ab95e + 5ada903
commit cf2b02d
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/changelog.html b/changelog.html
@@ -58,6 +58,9 @@
   <li class="major bug">
     Regression with environment variables in 1.600.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-27188">issue 27188</a>)
+  <li class="major bug">
+    Errors with concurrent matrix builds since 1.597.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-26739">issue 26739</a>)
 </ul>
 </div><!--=TRUNK-END=-->
 

diff --git a/core/src/main/java/hudson/model/RunMap.java b/core/src/main/java/hudson/model/RunMap.java
@@ -186,7 +186,9 @@ public R put(R r) {
         if (rootDir.isDirectory()) {
             throw new IllegalStateException(rootDir + " already existed; will not overwite with " + r);
         }
-        proposeNewNumber(r.getNumber());
+        if (!r.getClass().getName().equals("hudson.matrix.MatrixRun")) { // JENKINS-26739: grandfathered in
+            proposeNewNumber(r.getNumber());
+        }
         rootDir.mkdirs();
         return super._put(r);
     }