[incubator-iotdb] branch master updated: fix a bug in DirectoryManager (#393)

[qiaojialin]

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qiaojialin pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new 18da903  fix a bug in DirectoryManager (#393)
18da903 is described below

commit 18da903d51c95e954a20a51d63c9acfe151861a7
Author: Tianan Li <litiana...@163.com>
AuthorDate: Tue Sep 17 18:48:47 2019 +0800

    fix a bug in DirectoryManager (#393)
---
 .../java/org/apache/iotdb/db/conf/directories/DirectoryManager.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/conf/directories/DirectoryManager.java
 
b/server/src/main/java/org/apache/iotdb/db/conf/directories/DirectoryManager.java
index be70416..b64c711 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/conf/directories/DirectoryManager.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/conf/directories/DirectoryManager.java
@@ -117,7 +117,7 @@ public class DirectoryManager {
   }
 
   public List<String> getAllSequenceFileFolders() {
-    return sequenceFileFolders;
+    return new ArrayList<>(sequenceFileFolders);
   }
 
   private static class DirectoriesHolder {
@@ -150,7 +150,7 @@ public class DirectoryManager {
   }
 
   public List<String> getAllUnSequenceFileFolders() {
-    return unsequenceFileFolders;
+    return new ArrayList<>(unsequenceFileFolders);
   }
 
   // only used by test