yx91490 commented on a change in pull request #1530:
URL: 
https://github.com/apache/incubator-seatunnel/pull/1530#discussion_r832189800



##########
File path: 
seatunnel-core/seatunnel-core-base/src/main/java/org/apache/seatunnel/command/BaseTaskExecuteCommand.java
##########
@@ -73,6 +73,24 @@ protected final void prepare(E env, List<? extends 
Plugin<E>>... plugins) {
         }
     }
 
+    /**
+     * Execute close method defined in {@link 
org.apache.seatunnel.plugin.Plugin}
+     *
+     * @param plugins plugin list
+     */
+    @SafeVarargs
+    protected final void close(List<? extends Plugin<E>>... plugins) {
+        for (List<? extends Plugin<E>> pluginList : plugins) {
+            pluginList.forEach(plugin -> {
+                try (Plugin<?> closed = plugin) {

Review comment:
       can you add some failure case UT? it seems these codes also can not 
achive the 'close all' goal.




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