[iotdb] branch master updated: [IOTDB-6167] DataNode can't register to cluster when fetch system configuration throws NPE(#11187)

[wangchao316]

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wangchao316 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new 66ebb0b57d8 [IOTDB-6167] DataNode can't register to cluster when fetch 
system configuration throws NPE(#11187)
66ebb0b57d8 is described below

commit 66ebb0b57d8d64c894833a0ac8ae653a8ad5b1bd
Author: QiangShaowei <bandu_...@163.com>
AuthorDate: Fri Sep 22 09:13:13 2023 +0800

    [IOTDB-6167] DataNode can't register to cluster when fetch system 
configuration throws NPE(#11187)
    
    [IOTDB-6167] DataNode can't register to cluster when fetch system 
configuration throws NPE
---
 .../datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java
index 14bbe92a030..038996a9c6d 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java
@@ -266,7 +266,9 @@ public class DataNode implements DataNodeMBean {
         retry = -1;
       }
     }
-    if (configurationResp == null) {
+    if (configurationResp == null
+        || !configurationResp.isSetStatus()
+        || configurationResp.getStatus().getCode() != 
TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
       // All tries failed
       logger.error(
           "Cannot pull system configurations from ConfigNode-leader after {} 
retries",