danny0405 commented on code in PR #6207:
URL: https://github.com/apache/hudi/pull/6207#discussion_r935167478


##########
hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/sink/utils/TestWriteBase.java:
##########
@@ -102,6 +103,23 @@ public class TestWriteBase {
         "id1,par1,id1,Danny,23,3,par1",
         "id1,par1,id1,Danny,23,4,par1",
         "id1,par1,id1,Danny,23,4,par1"));
+
+    removeHadoopConf();
+  }
+
+  private static void removeHadoopConf() {
+    Map<String, String> env = System.getenv();
+    Class<?> clazz = env.getClass();
+    Field field = null;
+    try {
+      field = clazz.getDeclaredField("m");
+      field.setAccessible(true);
+      Map<String, String> map = (Map<String, String>) field.get(env);
+      map.remove("HADOOP_CONF_DIR");

Review Comment:
   In flink module, we use a static code block for fetching the hadoop 
configuration, see `HadoopConfigurations.getHadoopConf` for details.



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