If there is nothing in the logs but they stop working I suspect the issue is related the default prompt for name. Update settings in bootstrap is most likely needed.
Thanks On Wed, Oct 21, 2020 at 3:36 PM Peter Turcsanyi <turcsa...@apache.org> wrote: > Are there any exception stack traces in the log when the processors fail / > before that? > > On Thu, Oct 22, 2020 at 12:28 AM <jw4306...@gmail.com> wrote: > >> Hello! >> >> >> >> We’re running into a problem with NiFi 1.11.4. >> >> >> >> Our HBASE/HDFS/Parquet processors are all configured with a master >> KeytabCredentialsService that is pointing to a Kerberos principal and >> keytab file. >> >> >> >> The environment’s /etc/krb5.conf file has the line renew_lifetime = 7d >> commented out due to an issue with Java-OpenJDK (that is apparently fixed >> but still shows up) causing “MESSAGE STREAM MODIFIED (41)” errors to appear >> whenever we have it uncommented. >> >> >> >> When NiFi starts, it is able to kinit with the Kerberos KDC and is issued >> a 24 hour ticket. Everything works fine right up until that ticket expires. >> Once the ticket expires, all of our HDFS/HBASE/Parquet processors start >> failing. >> >> >> >> I haven’t been able to find anything in our logs around the timeframe, >> but I can’t turn on debug logging for this because the logs are >> tremendously large when we do that (approximately 100-200 MB per minute and >> the problem only occurs at the 24 hour mark). >> >> >> >> How would we go about troubleshooting this issue? >> >> >> >> Environment: >> >> Red Hat Enterprise Linux 7.9 >> >> Apache NiFi 1.11.4 >> >> java-11-openjdk 11.0.8.10-1.el7 >> >> >> >> Thanks! >> >> >> >> >> >
