>From the stack trace, it seems you hit KAFKA-6349 (where Damian provided a PR).
FYI On Mon, Dec 11, 2017 at 11:29 PM, Mr.Wang <1282183...@qq.com> wrote: > Hi~ > We found this error when we read kafka data using storm: > java.util.ConcurrentModificationException at > java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719) > at > java.util.LinkedHashMap$LinkedKeyIterator.next(LinkedHashMap.java:742) > at java.util.AbstractCollection.addAll(AbstractCollection.java:343)May > I ask this to fix the program by ourselves? What code do we need to > modify?Thanks!
