问题
We work with storm and use the DRPC to execute some algorithms on the cluster.
When the duration time on each node is less than 60 seconds, there is no trouble: client receives correct result. However when we have to solve bigger problem with the same algorithm (then duration time is more than 60 seconds) we have the following message:
Exception in thread "main" DRPCExecutionException(msg:Request failed) at
backtype.storm.generated.DistributedRPC$execute_result$execute_resultStandardScheme.read(DistributedRPC.java:1222) at
backtype.storm.generated.DistributedRPC$execute_result$execute_resultStandardScheme.read(DistributedRPC.java:1200) at backtype.storm.generated...
It seems to be about the node, which sends a message to cluster with "Request failed" and doesn't finish algorithm. Hope somebody have a hint to solve this :(
Note that the Client-DRPC-Topology and the 10 test nodes work properly when the duration is less than the minute.
Thank you.
来源：https://stackoverflow.com/questions/35940623/stormdrpc-request-failed