attempt to fix occasional backupSessionFile exception.

git-svn-id: https://svn.lifesci.dundee.ac.uk/svn/repository/trunk@382 be28352e-c001-0410-b1a7-c7978e42abec

diff --git a/src/uk/ac/vamsas/client/simpleclient/SessionFile.java b/src/uk/ac/vamsas/client/simpleclient/SessionFile.java
index 2d213b2..9a27f5e 100644 (file)
--- a/src/uk/ac/vamsas/client/simpleclient/SessionFile.java
+++ b/src/uk/ac/vamsas/client/simpleclient/SessionFile.java
@@ -110,7 +110,7 @@ public class SessionFile {
    * @return Backed up SessionFile or null if failed to make backup.
    */
   protected File backupSessionFile() {
-    return backupSessionFile(null, sessionFile.getName(),".old", sessionFile.getParentFile());
+    return backupSessionFile(fileLock, sessionFile.getName(),".old", sessionFile.getParentFile());
   }
 
   protected File backupSessionFile(Lock extantLock, String backupPrefix, String backupSuffix, File backupDir) {