increased robustness of exception handling

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index e9134ff..b3fccf9 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -21,7 +21,8 @@
       environment:
         JAVA_HOME: '{{ java_home }}'
 
-    - name: Retry the streaming repair of Cassandra node
+    - name: Retry streaming nodetool repair, ignoring errors to move on to next node
+      ignore_errors: yes
       shell: '{{ nodetool }} repair -pr'
       environment:
         JAVA_HOME: '{{ java_home }}'