I have seen this when my task manager ran out of RAM. Increase the heap size.
flink-conf.yaml: taskmanager.heap.mb jobmanager.heap.mb Michael > On Apr 8, 2018, at 2:36 AM, 王凯 <wangka...@163.com> wrote: > > <QQ图片20180408163927.png> > hi all, recently, i found a problem,it runs well when start. But after long > run,the exception display as above,how can resolve it? > > >