(iotdb) 01/01: Revert password length limit

[jiangtian]

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

jiangtian pushed a commit to branch revert_password_length_limit
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 30b76194dc6bcce765951a0c9e4a96d8bd0323e8
Author: Tian Jiang <jt2594...@163.com>
AuthorDate: Mon Aug 4 10:27:50 2025 +0800

    Revert password length limit
---
 .../test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java   | 12 ++++++++++++
 .../main/java/org/apache/iotdb/commons/utils/AuthUtils.java  |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
index 231d9ce7215..98467604409 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBAuthIT.java
@@ -1594,4 +1594,16 @@ public class IoTDBAuthIT {
           
resultSet.getString("root.__system.password_history._userA.oldPassword"));
     }
   }
+
+  @Test
+  public void testChangeBackPassword() {
+    try (Connection connection = EnvFactory.getEnv().getConnection();
+        Statement statement = connection.createStatement()) {
+      statement.execute("ALTER USER root SET PASSWORD 'newPassword'");
+      statement.execute("ALTER USER root SET PASSWORD 'root'");
+    } catch (SQLException e) {
+      e.printStackTrace();
+      fail(e.getMessage());
+    }
+  }
 }
diff --git 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/utils/AuthUtils.java
 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/utils/AuthUtils.java
index 8fe1bfab720..09824dfbd69 100644
--- 
a/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/utils/AuthUtils.java
+++ 
b/iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/utils/AuthUtils.java
@@ -53,7 +53,7 @@ public class AuthUtils {
   private static final String ROOT_PREFIX = IoTDBConstant.PATH_ROOT;
   private static final int NAME_MIN_LENGTH = 4;
   private static final int NAME_MAX_LENGTH = 32;
-  private static final int PASSWORD_MIN_LENGTH = 12;
+  private static final int PASSWORD_MIN_LENGTH = 4;
   private static final int PASSWORD_MAX_LENGTH = 32;
 
   // match number, character, and !@#$%^*()_+-=