[lucene-solr] branch reference_impl updated: @305 Extra gaurd against more than one reconnect at a time.

[ma...@apache.org]

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markrmiller pushed a commit to branch reference_impl
in repository https://gitbox.apache.org/repos/asf/lucene-solr.git


The following commit(s) were added to refs/heads/reference_impl by this push:
     new 9961ae7  @305 Extra gaurd against more than one reconnect at a time.
9961ae7 is described below

commit 9961ae7d24f0a080d9c2336f6f2e96ed32a388a1
Author: markrmiller@gmail.com <ma...@gmail.com>
AuthorDate: Wed Jul 22 12:48:14 2020 -0500

    @305 Extra gaurd against more than one reconnect at a time.
---
 solr/core/src/java/org/apache/solr/cloud/ZkController.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/solr/core/src/java/org/apache/solr/cloud/ZkController.java b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
index 45a6b75..7e17b25 100644
--- a/solr/core/src/java/org/apache/solr/cloud/ZkController.java
+++ b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
@@ -420,7 +420,7 @@ public class ZkController implements Closeable {
     zkClient.getConnectionManager().setBeforeReconnect(new BeforeReconnect() {
 
       @Override
-      public void command() {
+      public synchronized void command() {
 
         try (ParWork worker = new ParWork("disconnected", true)) {
           worker.collect(overseerContexts);