Hi Henrik, Yes, its a bug. The example topologies in storm-starter did not uncover this.
I have opened a JIRA and plan to put in a fix soon. https://issues.apache.org/jira/browse/STORM-1576 You could add your observation in the JIRA if you wish. Regards, Arun On 2/25/16, 8:50 PM, "Henrik Lindholm" <[email protected]> wrote: >Hi! > >I’m working on a storm topology where I have a stateful bolt that has two >inputs, >one is from a kinesis spout going through a set of bolts and one is from a >clock spout that emits tuples based on a cron expression. > >My issue is that I get a ConcurrentModificationException from TopologyBuilder >when i create the topology. >I get it from the method TopologyBuilder.addCheckPointInputs(…), that method >adds inputs to the same set of inputs that it’s iterating over, hence >ConcurrentModification. > >Is there any way around this or do i need to wait for a fix? and when could a >fix be available? > >Best Regards >Henrik Lindholm > >
