From 2ec6a6d45d020ed3b9bbcbb812ddc27ecfa3969e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Thu, 28 Jul 2016 21:24:55 +0300
Subject: [PATCH] Fix JDBCSequentialFileFactory build on 1.7

---
 .../artemis/jdbc/store/file/JDBCSequentialFileFactory.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/file/JDBCSequentialFileFactory.java b/artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/file/JDBCSequentialFileFactory.java
index 34547578ad..cf45a8a5c5 100644
--- a/artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/file/JDBCSequentialFileFactory.java
+++ b/artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/file/JDBCSequentialFileFactory.java
@@ -81,7 +81,9 @@ public class JDBCSequentialFileFactory implements SequentialFileFactory, ActiveM
    @Override
    public SequentialFile createSequentialFile(String fileName) {
       try {
-         fileLocks.putIfAbsent(fileName, new Object());
+         if (fileLocks.get(fileName) == null) {
+            fileLocks.put(fileName, new Object());
+         }
          JDBCSequentialFile file = new JDBCSequentialFile(this, fileName, executor, dbDriver, fileLocks.get(fileName));
          files.add(file);
          return file;