Hotfix concurrent connect error (#16900)

Author: zerolbsony

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/IClientSession.java

@@ -20,6 +20,7 @@
 package org.apache.iotdb.db.protocol.session;
 
 import org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion;
+import org.apache.iotdb.commons.utils.CommonDateTimeUtils;
 import org.apache.iotdb.db.queryengine.common.ConnectionInfo;
 import org.apache.iotdb.service.rpc.thrift.TSConnectionInfo;
 import org.apache.iotdb.service.rpc.thrift.TSConnectionType;
@@ -57,7 +58,7 @@ public abstract class IClientSession {
 
   @Nullable private String databaseName;
 
-  private long lastActiveTime;
+  private long lastActiveTime = CommonDateTimeUtils.currentTime();
 
   public abstract String getClientAddress();
 

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/SessionManager.java

@@ -497,8 +497,8 @@ public void supplySession(
     session.setUsername(username);
     session.setZoneId(zoneId);
     session.setClientVersion(clientVersion);
-    session.setLogin(true);
     session.setLogInTime(System.currentTimeMillis());
+    session.setLogin(true);
   }
 
   public void closeDataset(
@@ -581,7 +581,7 @@ public TSConnectionInfoResp getAllConnectionInfo() {
 
   public List<ConnectionInfo> getAllSessionConnectionInfo() {
     return sessions.keySet().stream()
-        .filter(s -> StringUtils.isNotEmpty(s.getUsername()))
+        .filter(s -> StringUtils.isNotEmpty(s.getUsername()) && s.isLogin())
         .map(IClientSession::convertToConnectionInfo)
         .sorted(Comparator.comparingLong(ConnectionInfo::getLastActiveTime))
         .collect(Collectors.toList());