[iotdb] branch IOTDB-5517 updated: fix bug in switching os

[marklau99]

This is an automated email from the ASF dual-hosted git repository.

marklau99 pushed a commit to branch IOTDB-5517
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/IOTDB-5517 by this push:
     new a2ffa7b9f9 fix bug in switching os
a2ffa7b9f9 is described below

commit a2ffa7b9f9be5ecf340a352ea2d65976f0a88b37
Author: Liu Xuxin <liuxu...@outlook.com>
AuthorDate: Mon Feb 13 11:41:55 2023 +0800

    fix bug in switching os
---
 .../iotdb/db/service/metrics/io/AbstractDiskMetricsManager.java      | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/service/metrics/io/AbstractDiskMetricsManager.java
 
b/server/src/main/java/org/apache/iotdb/db/service/metrics/io/AbstractDiskMetricsManager.java
index 9ffe97c75e..d15ca7f881 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/service/metrics/io/AbstractDiskMetricsManager.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/service/metrics/io/AbstractDiskMetricsManager.java
@@ -68,10 +68,7 @@ public abstract class AbstractDiskMetricsManager {
    * @return
    */
   public static AbstractDiskMetricsManager getDiskMetricsManager() {
-    String os = System.getProperty("os.name");
-    if (os == null) {
-      throw new RuntimeException("Cannot get the name of operation system");
-    }
+    String os = System.getProperty("os.name").toLowerCase();
 
     if (os.startsWith("windows")) {
       return new WindowsDiskMetricsManager();