xicm commented on code in PR #5286:
URL: https://github.com/apache/hudi/pull/5286#discussion_r910856311
##########
hudi-common/src/test/java/org/apache/hudi/common/testutils/minicluster/HdfsTestService.java:
##########
@@ -103,7 +103,9 @@ public MiniDFSCluster start(boolean format) throws
IOException {
public void stop() {
LOG.info("HDFS Minicluster service being shut down.");
- miniDfsCluster.shutdown();
+ if (miniDfsCluster != null) {
+ miniDfsCluster.shutdown();
+ }
Review Comment:
fix NullPointerException
```
java.lang.NullPointerException
at
org.apache.hudi.common.testutils.minicluster.HdfsTestService.stop(HdfsTestService.java:106)
at
org.apache.hudi.utilities.testutils.UtilitiesTestBase.cleanupClass(UtilitiesTestBase.java:136)
```
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