One possibility is that one of the nodes might've crashed due to using excessive memory or the garbage collector not kicking in because of a lack of swap space.
On Fri, Feb 10, 2017 at 12:42 PM, Anas A <[email protected]> wrote: > Hi, > > We are using eventhub spout to collect data from iothub and 2 bolts where > there to process the same , one is using for parsing the data and another > one is using to storing it on hbase. When I look in to the Eventhub spout > more than 50 percentage message ACK getting failed when I look it through > the log the only information available is > > > > * Line 544189: 2017-02-09 07:28:33.663 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 544308: 2017-02-09 07:28:33.847 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6700 <http://10.0.0.5:6700> is > being closed* > > * Line 544425: 2017-02-09 07:29:03.008 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 544591: 2017-02-09 07:29:03.009 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 544799: 2017-02-09 07:29:03.011 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 545107: 2017-02-09 07:29:03.035 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 545175: 2017-02-09 07:29:03.035 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 545312: 2017-02-09 07:29:03.071 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 545490: 2017-02-09 07:29:03.119 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 545559: 2017-02-09 07:29:03.126 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 545863: 2017-02-09 07:29:03.323 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 545904: 2017-02-09 07:29:03.338 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 545977: 2017-02-09 07:29:03.447 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 546073: 2017-02-09 07:29:33.008 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopslave01/10.0.0.7:6700 <http://10.0.0.7:6700> is > being closed* > > * Line 546142: 2017-02-09 07:29:33.009 b.s.m.n.Client [ERROR] > discarding 1 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > * Line 546492: 2017-02-09 07:29:33.012 b.s.m.n.Client [ERROR] > discarding 2 messages because the Netty client to > Netty-Client-apachehadoopmaster1/10.0.0.5:6701 <http://10.0.0.5:6701> is > being closed* > > > > > > when I look through the log of 10.0.0.7 and 10.0.0.5 there is no much > information on that particular time. what Might be the reason for this > failure > > *Thanks & Regards* > > > *Anas A,Trinity Mobility Pvt. Ltd | Bangalore | **+91-7736368236* > > [image: 148221140437883 (1)] <http://www.trinityiot.in/> > > > > [image: like_us_facebook] <https://www.facebook.com/trinitymobilityltd> > [image: > follow_us_on_linkedin] <http://www.linkedin.com/company/trinity-mobility> > > > -- Regards, Navin
