[To rel/1.1][IOTDB-5659] Fix dead lock condition in shutdown hook

node-commons/src/main/java/org/apache/iotdb/commons/conf/CommonConfig.java

@@ -116,6 +116,8 @@ public class CommonConfig {
   /** Status of current system. */
   private volatile NodeStatus status = NodeStatus.Running;
 
+  private volatile boolean isStopping = false;
+
   private volatile String statusReason = null;
 
   /** Disk Monitor */
@@ -360,4 +362,12 @@ public TEndPoint getTargetMLNodeEndPoint() {
   public void setTargetMLNodeEndPoint(TEndPoint targetMLNodeEndPoint) {
     this.targetMLNodeEndPoint = targetMLNodeEndPoint;
   }
+
+  public boolean isStopping() {
+    return isStopping;
+  }
+
+  public void setStopping(boolean stopping) {
+    isStopping = stopping;
+  }
 }

server/src/main/java/org/apache/iotdb/db/consensus/statemachine/DataRegionStateMachine.java

@@ -83,7 +83,8 @@ public void stop() {
 
   @Override
   public boolean isReadOnly() {
-    return CommonDescriptor.getInstance().getConfig().isReadOnly();
+    return CommonDescriptor.getInstance().getConfig().isReadOnly()
+        && !CommonDescriptor.getInstance().getConfig().isStopping();
   }
 
   @Override

server/src/main/java/org/apache/iotdb/db/service/IoTDBShutdownHook.java

@@ -54,6 +54,7 @@ public void run() {
     }
 
     // reject write operations to make sure all tsfiles will be sealed
+    CommonDescriptor.getInstance().getConfig().setStopping(true);
     CommonDescriptor.getInstance().getConfig().setNodeStatus(NodeStatus.ReadOnly);
     // wait all wal are flushed
     WALManager.getInstance().waitAllWALFlushed();