Merge changes I368af61a,I2400fe5f

* changes:
  Remove pack from list when file handle is stale
  Lower log level to warn for handled pack errors

org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties

@@ -394,6 +394,7 @@ packfileCorruptionDetected=Packfile corruption detected: {0}
 packFileInvalid=Pack file invalid: {0}
 packfileIsTruncated=Packfile {0} is truncated.
 packfileIsTruncatedNoParam=Packfile is truncated.
+packHandleIsStale=Pack file {0} handle is stale, removing it from pack list
 packHasUnresolvedDeltas=pack has unresolved deltas
 packingCancelledDuringObjectsWriting=Packing cancelled during objects writing
 packObjectCountMismatch=Pack object count mismatch: pack {0} index {1}: {2}

org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java

@@ -453,6 +453,7 @@ public class JGitText extends TranslationBundle {
 	/***/ public String packFileInvalid;
 	/***/ public String packfileIsTruncated;
 	/***/ public String packfileIsTruncatedNoParam;
+	/***/ public String packHandleIsStale;
 	/***/ public String packHasUnresolvedDeltas;
 	/***/ public String packingCancelledDuringObjectsWriting;
 	/***/ public String packObjectCountMismatch;

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java

@@ -114,6 +114,8 @@ public class ObjectDirectory extends FileObjectDatabase {
 	/** Maximum number of candidates offered as resolutions of abbreviation. */
 	private static final int RESOLVE_ABBREV_LIMIT = 256;
 
+	private static final String STALE_FILE_HANDLE_MSG = "stale file handle"; //$NON-NLS-1$
+
 	private final Config config;
 
 	private final File objects;
@@ -554,22 +556,35 @@ public class ObjectDirectory extends FileObjectDatabase {
 	}
 
 	private void handlePackError(IOException e, PackFile p) {
-		String tmpl;
+		String warnTmpl = null;
 		if ((e instanceof CorruptObjectException)
 				|| (e instanceof PackInvalidException)) {
-			tmpl = JGitText.get().corruptPack;
+			warnTmpl = JGitText.get().corruptPack;
 			// Assume the pack is corrupted, and remove it from the list.
 			removePack(p);
 		} else if (e instanceof FileNotFoundException) {
-			tmpl = JGitText.get().packWasDeleted;
+			warnTmpl = JGitText.get().packWasDeleted;
+			removePack(p);
+		} else if (e.getMessage() != null
+				&& e.getMessage().toLowerCase().contains(STALE_FILE_HANDLE_MSG)) {
+			warnTmpl = JGitText.get().packHandleIsStale;
 			removePack(p);
+		}
+		if (warnTmpl != null) {
+			if (LOG.isDebugEnabled()) {
+				LOG.debug(MessageFormat.format(warnTmpl,
+						p.getPackFile().getAbsolutePath()), e);
+			} else {
+				LOG.warn(MessageFormat.format(warnTmpl,
+						p.getPackFile().getAbsolutePath()));
+			}
 		} else {
-			tmpl = JGitText.get().exceptionWhileReadingPack;
 			// Don't remove the pack from the list, as the error may be
 			// transient.
+			LOG.error(MessageFormat.format(
+					JGitText.get().exceptionWhileReadingPack, p.getPackFile()
+							.getAbsolutePath()), e);
 		}
-		LOG.error(MessageFormat.format(tmpl,
-				p.getPackFile().getAbsolutePath()), e);
 	}
 
 	@Override