[incubator-uniffle] branch master updated: [#659] fix(server): fix NPE of ShuffleDataFlushEvent's underStorage in some cases (#660)

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roryqi pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-uniffle.git


The following commit(s) were added to refs/heads/master by this push:
     new c70d1543 [#659] fix(server): fix NPE of ShuffleDataFlushEvent's underStorage in some cases (#660)
c70d1543 is described below

commit c70d1543e7c9ca774e986026890763ce949a10e5
Author: Junfan Zhang <zu...@apache.org>
AuthorDate: Sat Feb 25 16:51:00 2023 +0800

    [#659] fix(server): fix NPE of ShuffleDataFlushEvent's underStorage in some cases (#660)
    
    ### What changes were proposed in this pull request?
    
    fix NPE of ShuffleDataFlushEvent's underStorage in some cases
    
    ### Why are the changes needed?
    
    Fix: #659
    
    ### Does this PR introduce _any_ user-facing change?
    
    No.
    
    ### How was this patch tested?
    
    Existing UTs
---
 .../src/main/java/org/apache/uniffle/server/ShuffleDataFlushEvent.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/org/apache/uniffle/server/ShuffleDataFlushEvent.java b/server/src/main/java/org/apache/uniffle/server/ShuffleDataFlushEvent.java
index 6829ab0a..8dab3ac6 100644
--- a/server/src/main/java/org/apache/uniffle/server/ShuffleDataFlushEvent.java
+++ b/server/src/main/java/org/apache/uniffle/server/ShuffleDataFlushEvent.java
@@ -160,7 +160,7 @@ public class ShuffleDataFlushEvent {
         + ", startPartition=" + startPartition
         + ", endPartition=" + endPartition
         + ", retryTimes=" + retryTimes
-        + ", underStorage=" + underStorage.getClass().getSimpleName()
+        + ", underStorage=" + (underStorage == null ? null : underStorage.getClass().getSimpleName())
         + ", isPended=" + isPended;
   }
 }