Thanks Joe. Appreciated. I will get back to you asap with the info. Cheers
On Mon, Oct 29, 2018 at 5:26 PM Joe Witt <[email protected]> wrote: > Alfredo > > There are quite a few details that will be needed to help folks guess > at possible issues. > > Configuration of the machine running nifi > how many cores?, etc.. > > Configuration of nifi > you shared common properties from nifi.properties which is good. > how many threads does the flow controller have? > how many processors are on the graph? > How many threads does ListSFTP have? > Is this a NiFi cluster or single node? > > Loading of the system running nifi > cpu load avg > garbage collection behavior in the jVM? > > Loading of nifi > how many threads does nifi show are running? > > Similar info for the SFTP server side > System error 4 could mean a lot of things. Is that system taxed and > unable to establish connections at times? > > How often does the problem happen? How often does the connection/flow > work? > > Have you tried manually connecting the way nifi would by running > commands like 'sftp [email protected] -vvv' repeatedly to see if > you can reproduce the issue? > > Does a file system get mounted for the sftp user and periodically is > this failing? > > Unfortunately it could be a lot of things so we'll probably need to > unpack a lot of info to get there. > > Thanks > On Mon, Oct 29, 2018 at 12:14 PM Alfredo De Luca > <[email protected]> wrote: > > > > hi all. any idea? I am trying everything..but not sure what cause this > error. > > > > Cheers > > > > On Mon, Oct 29, 2018 at 12:34 PM Alfredo De Luca < > [email protected]> wrote: > >> > >> nifi.swap.in.threads=1 > >> nifi.swap.out.threads=4 > >> nifi.cluster.node.protocol.threads=25 > >> nifi.cluster.node.protocol.max.threads=50 > >> > >> > >> > >> > >> On Mon, Oct 29, 2018 at 12:28 PM Alfredo De Luca < > [email protected]> wrote: > >>> > >>> anyway...this is the error > >>> 2018-10-29 11:21:06,768 ERROR [Timer-Driven Process Thread-13] > SimpleProcessLogger.java:254 > ListSFTP[id=766ac418-27ce-335a-97c9-8823f2cf5a96] Failed to perform listing > on remote host due to java.io.IOException: Failed to obtain connection to > remote host due to com.jcraft.jsch.JSchException: Auth fail: {} > >>> > >>> > >>> On Mon, Oct 29, 2018 at 12:27 PM Alfredo De Luca < > [email protected]> wrote: > >>>> > >>>> Hi Joe. > >>>> Sftp server allows 200 connections... not sure about the nifi. I ll > check > >>>> > >>>> > >>>> On Mon, Oct 29, 2018 at 12:21 PM Joe Witt <[email protected]> wrote: > >>>>> > >>>>> how many connections does your sftp server allow at once and how > many threads is nifi given for communication? > >>>>> > >>>>> > >>>>> > >>>>> On Mon, Oct 29, 2018, 7:10 AM Alfredo De Luca < > [email protected]> wrote: > >>>>>> > >>>>>> Hi all. We have some issue with our nifi (v. 1.6) where > occasionally we have an error saying ... > >>>>>> Auth fail. > >>>>>> > >>>>>> On the sftp server side we get > >>>>>> > >>>>>> Oct 29 11:48:06 sftp sshd[13845]: pam_sss(sshd:account): Access > denied for user <sftp user>: 4 (System error) > >>>>>> > >>>>>> Any idea? > >>>>>> > >>>>>> > >>>>>> -- > >>>>>> Alfredo > >>>>>> > >>>> > >>>> > >>>> -- > >>>> Alfredo > >>>> > >>> > >>> > >>> -- > >>> Alfredo > >>> > >> > >> > >> -- > >> Alfredo > >> > > > > > > -- > > Alfredo > > > -- *Alfredo*
