Update driver-core/src/main/com/mongodb/internal/connection/OperationContext.java

vbabanin · rozza · web-flow · commit dd62a2f9627c · 2026-04-20T07:42:58.000-07:00
Co-authored-by: Ross Lawley &lt;ross.lawley@gmail.com&gt;
diff --git a/driver-core/src/main/com/mongodb/internal/connection/OperationContext.java b/driver-core/src/main/com/mongodb/internal/connection/OperationContext.java
@@ -250,6 +250,7 @@ public void onAttemptFailure(final Throwable failure) {
                 return;
             }
 
+            // As per spec: sharded clusters deprioritize on any error, other topologies only on overload
             boolean isSystemOverloadedError = failure instanceof MongoException
                     && ((MongoException) failure).hasErrorLabel(SYSTEM_OVERLOADED_ERROR_LABEL);
             if (clusterType == ClusterType.SHARDED || isSystemOverloadedError) {

Original file line number	Diff line number	Diff line change
`@@ -250,6 +250,7 @@ public void onAttemptFailure(final Throwable failure) {`
`250`	`250`	`return;`
`251`	`251`	`}`
`252`	`252`
	`253`	`+ // As per spec: sharded clusters deprioritize on any error, other topologies only on overload`
`253`	`254`	`boolean isSystemOverloadedError = failure instanceof MongoException`
`254`	`255`	`&& ((MongoException) failure).hasErrorLabel(SYSTEM_OVERLOADED_ERROR_LABEL);`
`255`	`256`	`if (clusterType == ClusterType.SHARDED \|\| isSystemOverloadedError) {`