[ratis] branch master updated: RATIS-1607. Fix NPE in OrderedAsync#sendRequestWithRetry (#664)

[szetszwo]

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szetszwo pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new bd83e7d7 RATIS-1607. Fix NPE in OrderedAsync#sendRequestWithRetry 
(#664)
bd83e7d7 is described below

commit bd83e7d7fd41540c8bda6bd92a52ac99ccec2076
Author: Sammi Chen <sammic...@apache.org>
AuthorDate: Thu Jun 30 22:57:28 2022 +0800

    RATIS-1607. Fix NPE in OrderedAsync#sendRequestWithRetry (#664)
---
 .../src/main/java/org/apache/ratis/client/impl/OrderedAsync.java      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git 
a/ratis-client/src/main/java/org/apache/ratis/client/impl/OrderedAsync.java 
b/ratis-client/src/main/java/org/apache/ratis/client/impl/OrderedAsync.java
index 5bd85698..22515662 100644
--- a/ratis-client/src/main/java/org/apache/ratis/client/impl/OrderedAsync.java
+++ b/ratis-client/src/main/java/org/apache/ratis/client/impl/OrderedAsync.java
@@ -179,6 +179,10 @@ public final class OrderedAsync {
   }
 
   private void sendRequestWithRetry(PendingOrderedRequest pending) {
+    if (pending == null) {
+      return;
+    }
+
     final CompletableFuture<RaftClientReply> f = pending.getReplyFuture();
     if (f.isDone()) {
       return;