diff --git a/lucene/replicator/src/test/org/apache/lucene/replicator/nrt/Jobs.java b/lucene/replicator/src/test/org/apache/lucene/replicator/nrt/Jobs.java
index a0b9535acd4..de8c0c38e6d 100644
--- a/lucene/replicator/src/test/org/apache/lucene/replicator/nrt/Jobs.java
+++ b/lucene/replicator/src/test/org/apache/lucene/replicator/nrt/Jobs.java
@@ -80,7 +80,12 @@ class Jobs extends Thread implements Closeable {
         } else {
           node.message("AlreadyClosedException during job.visit job=" + topJob + "; now cancel");
         }
-        topJob.cancel("unexpected exception in visit", t);
+        try {
+          topJob.cancel("unexpected exception in visit", t);
+        } catch (Throwable t2) {
+          node.message("ignore exception calling cancel: " + t2);
+          t2.printStackTrace(System.out);
+        }
         try {
           topJob.onceDone.run(topJob);
         } catch (Throwable t2) {
@@ -112,7 +117,11 @@ class Jobs extends Thread implements Closeable {
       while (queue.isEmpty() == false) {
         SimpleCopyJob job = (SimpleCopyJob) queue.poll();
         node.message("top: Jobs: now cancel job=" + job);
-        job.cancel("jobs closing", null);
+        try {
+          job.cancel("jobs closing", null);
+        } catch (Throwable t) {
+          node.message("ignore exception calling cancel: " + t);
+        }
         try {
           job.onceDone.run(job);
         } catch (Throwable t) {