I was doing some ES test with my Java program this morning, then strange things happened - the program can be finished successfully, but I could not find any data through Sense UI. Finally, I found out that some guy in my lab (local network) is also using ES, and the java program got connected to her cluster (I guess it is multicast).
So, I decided to change my cluster to some other name other than the default one. I did two things, one is to change the cluster.name: test. The other is to change the code to
Node node =
But the MasterNotDiscoveredException came up in the end. Can someone help me? or you have some other way to solve this problem.