fixed LOGBACK-910

Author: ceki

logback-core/src/main/java/ch/qos/logback/core/AsyncAppenderBase.java

@@ -155,6 +155,9 @@ private void put(E eventObject) {
     try {
       blockingQueue.put(eventObject);
     } catch (InterruptedException e) {
+      // Interruption of current thread when in doAppend method should not be consumed
+      // by AsyncAppender
+      Thread.currentThread().interrupt();  	
     }
   }
 

logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java

@@ -227,6 +227,29 @@ public void stopExitsWhenMaxRuntimeReached() throws InterruptedException {
 		verify(la, loopLen);
 	}
 
+
+	// Interruption of current thread when in doAppend method should not be consumed
+	// by async appender. See also http://jira.qos.ch/browse/LOGBACK-910
+	@Test
+	public void verifyInterruptionIsNotSwallowed() {
+		asyncAppenderBase.addAppender(delayingListAppender);
+		asyncAppenderBase.start();
+		Thread.currentThread().interrupt();
+		asyncAppenderBase.doAppend(new Integer(0));
+		assertTrue(Thread.currentThread().isInterrupted());
+		// clear flag for next test
+		Thread.interrupted();
+	}
+	
+	@Test
+	public void verifyInterruptionOfWorkerIsSwallowed() {
+      asyncAppenderBase.addAppender(delayingListAppender);
+	  asyncAppenderBase.start();
+	  asyncAppenderBase.stop();
+	  assertTrue(asyncAppenderBase.worker.isInterrupted());
+	}
+	
+	
 	private void verify(ListAppender<Integer> la, int expectedSize) {
 		assertFalse(la.isStarted());
 		assertEquals(expectedSize, la.list.size());

logback-site/src/site/pages/news.html

@@ -29,14 +29,26 @@ <h2>Logback News</h2>
 
     <hr width="80%" align="center" />
 
-    <h3>24th of March 2015, Release of version 1.1.3</h3>
-
     <div class="breaking">
-      <h4>All logback modules now require JDK 1.6 instead of
-      previously JDK 1.5. This change was put to consultation on the
-      logback mailing lists with no objections raised.</h4>
+      <h4>As of version 1.1.3, all logback modules require JDK 1.6
+      instead of previously JDK 1.5. This change was put to
+      consultation on the logback mailing lists with no objections
+      raised.</h4>
     </div>
 
+    <h3> 2015, Release of version 1.1.4</h3>
+
+    <p><code>AsyncAppenderBase</code> now restores the current
+    thread's inrerupt flag when catching a
+    <code>InterruptedException</code>. See . The issue, i.e. <a
+    href="http://jira.qos.ch/browse/LOGBACK-910">LOGBACK-910</a>, was
+    raised by Henrik Nordvik who also provided the relevant fix.</p>
+    
+
+    <hr width="80%" align="center" />
+    
+    <h3>24th of March 2015, Release of version 1.1.3</h3>
+
     <p>Fixed <code>FileAppender</code>'s prudent mode so that it properly recovers
     from IO Errors
     (<a href="http://jira.qos.ch/browse/LOGBACK-1046">LOGBACK-1046</a>) </p>