HADOOP-14354. SysInfoWindows is not thread safe. Contributed by Inigo Goiri

2017-04-27 16:26:39 -07:00 · 2017-04-27 16:26:39 -07:00 · 689fb2fc66
parent 31cf480d65
commit 689fb2fc66
1 changed files with 1 additions and 1 deletions
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SysInfoWindows.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SysInfoWindows.java
@ -90,7 +90,7 @@ public class SysInfoWindows extends SysInfo {
    return null;
  }

-  void refreshIfNeeded() {
+  synchronized void refreshIfNeeded() {
    long now = now();
    if (now - lastRefreshTime > REFRESH_INTERVAL_MS) {
      long refreshInterval = now - lastRefreshTime;