commit 04d9a4a540de729fd3370ac95cec3c11d4f0b275
author Yifu Zhou <efuu1937@outlook.com> Sat Sep 24 09:44:29 2022 +0800
committer GitHub <noreply@github.com> Sat Sep 24 09:44:29 2022 +0800
tree cbf5d04b671f572934a9fd54566dad1d379f8209
parent 630c68a01e6f4f05f4326b9d6aef3eab298cc172

[IOTDB-4501]fix FileAlreadyExistsException when taking snapshot (#7408)

[IOTDB-4501]fix FileAlreadyExistsException when taking snapshot (#7408)

server/src/main/java/org/apache/iotdb/db/engine/snapshot/SnapshotTaker.java

diff --git a/server/src/main/java/org/apache/iotdb/db/engine/snapshot/SnapshotTaker.java b/server/src/main/java/org/apache/iotdb/db/engine/snapshot/SnapshotTaker.java
index d90eb08..4b1f98a 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/snapshot/SnapshotTaker.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/snapshot/SnapshotTaker.java
@@ -178,7 +178,7 @@
     if (!source.exists()) {
       LOGGER.error("Hard link source file {} doesn't exist", source);
     }
-
+    Files.deleteIfExists(target.toPath());
     Files.createLink(target.getAbsoluteFile().toPath(), source.getAbsoluteFile().toPath());
     snapshotLogger.logFile(source.getAbsolutePath(), target.getAbsolutePath());
   }