stankiewicz commented on code in PR #39803:
URL: https://github.com/apache/beam/pull/39803#discussion_r3810994312
##########
sdks/java/io/cassandra/src/main/java/org/apache/beam/sdk/io/cassandra/ConnectionManager.java:
##########
@@ -59,9 +59,22 @@ private static String readToSessionHash(Read<?> read) {
}
static Session getSession(Read<?> read) {
+ String clusterHash = readToClusterHash(read);
+ String sessionHash = readToSessionHash(read);
+
+ Cluster cachedCluster = clusterMap.get(clusterHash);
+
+ if (cachedCluster != null && cachedCluster.isClosed()) {
Review Comment:
apologies, you are correct, getSession should be synchronized in such
change. Sharan, can you apply fix to master as well?
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