[FIXED JENKINS-15816] Run.ID_FORMATTER caches stale timezone values.

changelog.html

@@ -68,6 +68,9 @@ Upcoming changes</a>
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-15733">issue 15733</a>)
   <li class=rfe>
     Support failsafe the same way as surefire in maven2 jobs
+  <li class=bug>
+    Build records were broken if timezone was changed while running.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-15816">issue 15816</a>)
 </ul>
 </div><!--=END=-->
 <h3><a name=v1.490>What's new in 1.490</a> (2012/11/12)</h3>

core/src/main/java/hudson/model/Run.java

@@ -96,7 +96,6 @@ import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletResponse;
 
 import jenkins.model.Jenkins;
-import jenkins.model.lazy.BuildReference;
 import jenkins.util.io.OnMaster;
 import net.sf.json.JSONObject;
 import org.apache.commons.io.input.NullInputStream;
@@ -240,11 +239,14 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
      */
     private volatile transient RunExecution runner;
 
+    private static final SimpleDateFormat CANONICAL_ID_FORMATTER = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
     protected static final ThreadLocal<SimpleDateFormat> ID_FORMATTER =
             new ThreadLocal<SimpleDateFormat>() {
                 @Override
                 protected SimpleDateFormat initialValue() {
-                    return new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
+                    synchronized (CANONICAL_ID_FORMATTER) {
+                        return (SimpleDateFormat) CANONICAL_ID_FORMATTER.clone();
+                    }
                 }
             };
 

core/src/test/java/hudson/model/RunTest.java

+/*
+ * The MIT License
+ *
+ * Copyright 2012 Jesse Glick.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package hudson.model;
+
+import java.util.TimeZone;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import static org.junit.Assert.*;
+import org.junit.Test;
+import org.jvnet.hudson.test.Bug;
+
+public class RunTest {
+
+    @Bug(15816)
+    @SuppressWarnings({"unchecked", "rawtypes"})
+    @Test public void timezoneOfID() throws Exception {
+        TimeZone origTZ = TimeZone.getDefault();
+        try {
+            final Run r;
+            String id;
+            TimeZone.setDefault(TimeZone.getTimeZone("America/Chicago"));
+            ExecutorService svc = Executors.newSingleThreadExecutor();
+            try {
+                r = svc.submit(new Callable<Run>() {
+                    @Override public Run call() throws Exception {
+                        return new Run(new StubJob(), 1234567890) {};
+                    }
+                }).get();
+                TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
+                id = r.getId();
+                assertEquals(id, svc.submit(new Callable<String>() {
+                    @Override public String call() throws Exception {
+                        return r.getId();
+                    }
+                }).get());
+            } finally {
+                svc.shutdown();
+            }
+            TimeZone.setDefault(TimeZone.getTimeZone("America/New_York"));
+            svc = Executors.newSingleThreadExecutor();
+            try {
+                assertEquals(id, r.getId());
+                assertEquals(id, svc.submit(new Callable<String>() {
+                    @Override
+                    public String call() throws Exception {
+                        return r.getId();
+                    }
+                }).get());
+            } finally {
+                svc.shutdown();
+            }
+        } finally {
+            TimeZone.setDefault(origTZ);
+        }
+    }
+
+}

core/src/test/java/hudson/model/StubJob.java

@@ -23,6 +23,7 @@
  */
 package hudson.model;
 
+import java.io.File;
 import java.util.SortedMap;
 
 /**
@@ -55,6 +56,10 @@ class StubJob extends Job {
         // TODO Auto-generated method stub
         
     }
+
+    @Override protected File getBuildDir() {
+        return new File(System.getProperty("java.io.tmpdir"));
+    }
     
     /**
      * Override save so that nothig happens when setDisplayName() is called