Re: Netty LocalTransportException: Sending the partition request to 'null' failed

2021-03-22 Thread Matthias Seiler
Thanks a bunch! I replaced 127.0.1.1 with the actual IP address and it works now :) On 3/15/21 3:22 PM, Robert Metzger wrote: > Hey Matthias, > > are you sure you can connect to 127.0.1.1, since everything between > 127.0.0.1 and  127.255.255.255 is bound to the loopback device?: > https://serverf

Re: Netty LocalTransportException: Sending the partition request to 'null' failed

2021-03-15 Thread Robert Metzger
Hey Matthias, are you sure you can connect to 127.0.1.1, since everything between 127.0.0.1 and 127.255.255.255 is bound to the loopback device?: https://serverfault.com/a/363098 On Mon, Mar 15, 2021 at 11:13 AM Matthias Seiler < matthias.sei...@campus.tu-berlin.de> wrote: > Hi Arvid, > > I l

Re: Netty LocalTransportException: Sending the partition request to 'null' failed

2021-03-15 Thread Matthias Seiler
Hi Arvid, I listened to ports with netcat and connected via telnet and each node can connect to the other and itself. The `/etc/hosts` file looks like this ``` 127.0.0.1   localhost 127.0.1.1   node-2.example.com   node-2    node-1 ``` Is the second line the reason it fails? I also replaced all

Re: Netty LocalTransportException: Sending the partition request to 'null' failed

2021-02-24 Thread Arvid Heise
Hi Matthias, most of the debug statements are just noise. You can ignore that. Something with your network seems fishy to me. Either taskmanager 1 cannot connect to taskmanager 2 (and vice versa), or the taskmanager cannot connect locally. I found this fragment, which seems suspicious Failed to

Re: Netty LocalTransportException: Sending the partition request to 'null' failed

2021-02-16 Thread Till Rohrmann
Hi Matthias, Can you make sure that node-1 and node-2 can talk to each other? It looks to me that node-2 fails to open a connection to the other TaskManager. Maybe the logs give some more insights. You can change the log level to DEBUG to gather more information. Cheers, Till On Tue, Feb 16, 202

Netty LocalTransportException: Sending the partition request to 'null' failed

2021-02-16 Thread Matthias Seiler
Hi Everyone, I'm trying to setup a Flink cluster in standealone mode with two machines. However, running a job throws the following exception: `org.apache.flink.runtime.io.network.netty.exception.LocalTransportException: Sending the partition request to 'null' failed` Here is some background: Ma