Github user manuzhang commented on the issue:
https://github.com/apache/storm/pull/1608
The exception is caused by the escaping "\" character previously. Things
are working now after I updated to the latest version.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
