Are you creating threads in your application? On Sun, Sep 17, 2017 at 7:48 AM, HARSH TAKKAR <takkarha...@gmail.com> wrote:
> > Hi > > I am using spark 2.1.0 with scala 2.11.8, and while iterating over the > partitions of each rdd in a dStream formed using KafkaUtils, i am getting > the below exception, please suggest a fix. > > I have following config > > kafka : > enable.auto.commit:"true", > auto.commit.interval.ms:"1000", > session.timeout.ms:"30000", > > Spark: > > spark.streaming.backpressure.enabled=true > > spark.streaming.kafka.maxRatePerPartition=200 > > > Exception in task 0.2 in stage 3236.0 (TID 77795) > java.util.ConcurrentModificationException: KafkaConsumer is not safe for > multi-threaded access > > -- > Kind Regards > Harsh >