I have configured a ConsumeTwitter processor as Pierre Villard shows in
this example:
https://www.youtube.com/watch?v=QZimEK6IAFI
There isn't much to it: take the bearer token associated with your twitter
developer account, drop it into the processor, set the fields you want from
twitter.
But I
> messages arrive, they will be discarded due to the processor's stopped
> state.
> Have you tried it with starting the processor and giving some time to the
> client to get initialized and receive the messages?
>
> Best regards,
> Peter Turcsanyi
>
>
> On Mon, Jul 8, 2024 at 12:34 P
, 2024 at 1:28 PM James McMahon wrote:
> I have a queue in RabbitMQ that I try to ConsumeAMQP from, configured like
> this:
>
> Queue
> detection-responses
> Auto-Acknowledge Messages
> false
> Batch Size
> 1
> Prefetch Count
> 0
> Header Output Format
> Co
I would like to build a containerized, scalable, highly available NiFi
architecture - likely docker, likely on EC2s. I intend to have dev, int,
and prod containerized groups, version controlled through NiFi Registry. I
am trying to understand how NiFi clusters, Registry, and containerization
get
I have a queue in RabbitMQ that I try to ConsumeAMQP from, configured like
this:
Queue
detection-responses
Auto-Acknowledge Messages
false
Batch Size
1
Prefetch Count
0
Header Output Format
Comma-Separated String
Header Separator
,
Remove Curly Braces
False
BrokersNo value setHost Name
fined or zero, which prevents division.")
session.transfer(ff, REL_FAILURE)
return
}
log.info("File size: ${file_size}")
On Mon, Jun 17, 2024 at 8:31 AM James McMahon wrote:
> I should mention that I have also tried to access fileSize like this
> without success:
>
FlowFile attributes include:
entryDate
lineageStartDate
fileSize
filename
path
uuid
On Mon, Jun 17, 2024 at 7:50 AM James McMahon wrote:
> I am trying to use the file size. On the DEtails tab for my flowfile in
> queue, I see that my File Size is 8.01 GB.
>
> I log the fo
I am trying to use the file size. On the DEtails tab for my flowfile in
queue, I see that my File Size is 8.01 GB.
I log the following from this section of a Groovy script, running in an
ExecuteGroovyScript processor:
def ff = session.get()
if (!ff) return
def jsonFactory = new JsonFactory()
ot the limiting factor.
>
> -Eric
>
> On Fri, Jun 14, 2024, 10:59 AM James McMahon wrote:
>
>> I have a json file, incoming.json. It is 9 GB in size.
>>
>> I want to flatten the json so that I can tabulate the number of times
>> each
I have a json file, incoming.json. It is 9 GB in size.
I want to flatten the json so that I can tabulate the number of times each
key appears. Am using a FlattenJson 2.0.0-M2 processor, with
this configuration:
Separator .
Flatten Mode
ps!
>
> Matt
>
> On Wed, Apr 24, 2024 at 8:41 PM James McMahon
> wrote:
>
>> Looking at the nifi-user.log, I find I am getting a Conflict response,
>> Access Token not found.
>>
>> more ./nifi-user.log
>> 2024-04-25 00:23:49,329 INFO [main] o.a.n.a.
d with. Can you compare
> that with the user that you've configured the policies for. Hopefully, that
> will help point to where the issue is.
>
> Matt
>
> On Wed, Apr 24, 2024 at 5:03 PM James McMahon
> wrote:
>
>> I still cannot access my own NiFi 2.0
is my users.xml (nifi creates at first startup):
On Wed, Apr 24, 2024 at 8:21 AM James McMahon wrote:
> I'll review this closely once again when I get back to this system tonight
> - thanks very much fo
pace matter. Since you
> are getting insufficient permissions instead of unknown user, I don’t think
> that’s your problem here. Still, it may be worth checking for a mismatch in
> the initial admin identity vs initial user identity vs certificate.
>
>
>
> Regards,
>
>
>
&
I am trying to start my new NiFi 2.0 installation. I have a user admin2
that has a cert. The nifi server also has a cert. Both are signed by the
same CA.
At start up in my browser I am denied due to insufficient privileges:
Unable to view the user interface. Contact the system administrator.
, drag and drop a process group on the
> canvas, and click the upload icon on the right of the name input. You'll be
> able to select your JSON file.
>
> HTH
>
> Le jeu. 11 avr. 2024 à 02:14, James McMahon a
> écrit :
>
>> I had developed an extensive NiFi Flow in v1.1
gt; something like this:
>
>
>
> openssl s_client -connect : -debug -cert client.pem -key
> clientkey.pem -CAfile rootcert.pem
>
>
>
> This should give you a lot of details, including information from the
> server that specifies which CAs it will accept for client certs.
>
>
>
thoughts - fixing, debugging, anything?
On Wed, Apr 17, 2024 at 8:44 PM James McMahon wrote:
> I have installed and configured NiFi 2.0 with TLS. My nifi 2.0 instance
> appears to start without errors, judging by the contents of nifi-app.log.
>
> When I try to access my nifi instance
I have installed and configured NiFi 2.0 with TLS. My nifi 2.0 instance
appears to start without errors, judging by the contents of nifi-app.log.
When I try to access my nifi instance through its https setting in
nifi.properties, I get this error in my browser:
This site can’t provide a secure
I had developed an extensive NiFi Flow in v1.16. I have initialized an
instance of NiFi 2.0.
I downloaded my flow to file NiFi_Flow.json from my 1.16 instance.
But I can find no way to import this or load this to my 2.0 instance.
We currently have no Registry.
How can I do this?
t;,
> "dates": "dates",
> "triage": "triage",
> "payload": "payload"
> }
> },
> {
> "operation": "default",
> "spec": {
> "payload&
I have this JSON as flowfile content:
{
"dates" : {
"date_file" : "20240115184407",
"ingested" : "20240217175748",
"latest_date" : "1980",
"earliest_date" : "1980",
"date_info" : "MMDD"
},
"parents" : {
"md5" : "86107362084b86ea64dc33dfde5e14ff",
ince epoch.
>>
>> So you might have a RouteOnAttribute that has a property named “old” with
>> a value of:
>> ${lastQueueDate:lt( ${now():minus(1)} )}
>>
>> So any FlowFile that has been queued for more than 10 seconds would be
>> routed to “old”, anything else
circle back and post it.
On Fri, Feb 2, 2024 at 6:03 PM Michael Moser wrote:
> Yes, that's exactly what those commands do. Your linux commands like
> unzip and tar can probably read directly from /dev/stdin and write directly
> to /dev/stdout if you want to.
>
> -- Mike
>
>
&
ow()} or ${now():toNumber()} expression language function.
>
> https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#now
>
> Then later on in the flow you can compare current time to the saved error
> time to see how much time has elapsed.
>
> — Jim
>
>
&g
in the queue from the
UI.
One can make an assumption that all of these 5000 flowfiles that failed
InvokeHttp share a similar range of lineageStartDate, but that will not
necessarily be true depending on flow complexity.
On Wed, Feb 14, 2024 at 9:49 AM James McMahon wrote:
> What a great workaro
> ${entryDate} = 1707859943778
> ${lineageStartDate} = 1707859943778
> ${lineageStartDate:format("-MM-dd HH:mm:ss.SSS")} = 2024-02-13
> 21:32:23.778
>
> -- Mike
>
>
> On Mon, Feb 12, 2024 at 11:38 AM James McMahon
> wrote:
>
>> When we examine the cont
When we examine the contents of a queue through the UI and select a
flowfile from the resulting list, we see FlowFile Details in the Details
tab. Are those key/values accessible from nifi expression language? I would
like to access Queued Duration. I have a queue that holds flowfiles with
tar command to tar $tmpdir to $tmptarfile
> cat $tmptarfile >> /dev/stdout
>
> #cleanup
> rm -f $tmpzipfile
> rm -f $tmptarfile
> rm -rf $tmpdir
>
>
>
> On Wed, Jan 31, 2024 at 12:55 PM James McMahon
> wrote:
>
>> If anyone can show me how to get
If anyone can show me how to get my ExecuteStreamCommand configured
properly as a workaround, I am still interested in that.
Jim
On Wed, Jan 31, 2024 at 12:39 PM James McMahon wrote:
> I tried to find a Create option for tickets here,
> https://issues.apache.org/jira/projects/NIFI/issue
wrote:
> I went ahead and wrote it up here
> https://issues.apache.org/jira/browse/NIFI-12709
>
> Thanks
>
> On Wed, Jan 31, 2024 at 10:30 AM James McMahon
> wrote:
>
>> Happy to do that Joe. How do I create and submit a JIRA for
>> consideration? I have no
dard in the
> case of a Zip but perhaps still capturable as extra fields.
>
> Thanks
>
> On Wed, Jan 31, 2024 at 10:01 AM James McMahon
> wrote:
>
>> I tried to use UnpackContent to extract the files within a zip file named
>> ABC DEF (1).zip. (the filename has spac
I tried to use UnpackContent to extract the files within a zip file named
ABC DEF (1).zip. (the filename has spaces in its name).
UnpackContent seemed to work, but it did not preserve file attributes from
the files in the zip. For example, the lastModifiedTime is not available
so downstream I
: I GenerateFlowFile with a body that is
english text. I IdentifyMimeType. I send that through InvokeHTTP.
On Fri, Jan 12, 2024 at 5:04 PM Juan Pablo Gardella <
gardellajuanpa...@gmail.com> wrote:
> it seems charset issue. if it is a json add charset=utf-8
>
> On Fri, Jan 12, 2024
I have a text flowfile that I am trying to send to a translation service on
a remote EC2 instance from my nifi insurance on my EC2. I am failing with
only this somewhat-cryptic error:
InvokeHTTP[id=a72e1727-3da0-1d6c-164b-e43c1426fd97] Routing to Failure due
to exception: Unexpected char 0x20 at
po? If not you can use
> UnpackContent with a Packaging Type of zip. I tried on both JARs and
> NARs and it works.
>
> Regards,
> Matt
>
> On Sun, Dec 31, 2023 at 12:37 PM James McMahon
> wrote:
> >
> > I have a NiFi flow that handles many jar and nar archive files as
&
I have a NiFi flow that handles many jar and nar archive files as incoming
flowfiles. I am trying to figure out a way I can extract files from these
archives - for example, in most cases one incoming jar has a number of
files in its archive. So one flowfile should yield N output flowfiles if
there
jar file is mostly just a standard zip file, can you use a built
> in processor instead?
>
> On Sun, 3 Dec 2023, 15:36 James McMahon, wrote:
>
>> I have a large volume of a wide variety of incoming data files. A subset
>> of these are jar files. Can the ExecuteStreamC
I have a large volume of a wide variety of incoming data files. A subset of
these are jar files. Can the ExecuteStreamCommand be configured to run the
equivalent of
jar -xf ${flowfile}
and will that automatically direct each output file to a new flowfile, or
does ESC need to be told to direct
Where can I look to determine which Apache Tika version should be
downloaded to add to my lib directory for my Apache NiFi 1.16.3
installation?
I am having some difficulty getting the file command to run from
ExecuteStreamCommand, and am hoping someone can see my error.
At my linux command line,
file --brief myfile.mdb
returns
Microsoft Access Database
as expected.
I am reading files into a nifi flow, and trying to apply
s:amz:$REGION:es
>
> Kind Regards,
> Lehel
>
> --
> *From:* James McMahon
> *Sent:* Saturday, October 21, 2023 20:25
> *To:* users
> *Subject:* curl from ExecuteStreamCommand
>
> I have tested this curl from my ec2 command line:
> curl -XPUT -u 'myusernm:myuserpw
I have tested this curl from my ec2 command line:
curl -XPUT -u 'myusernm:myuserpw' '
https://vpc-rampart-test-opensearch-nrqyb7jjpvmji6cp2qcvmyhcgq.us-east-1.es.amazonaws.com/movies/_doc/1'
-d '{"director": "Burton, Tim", "genre": ["Comedy","Sci-Fi"], "year": 1996,
"actor": ["Jack
I have an incoming xlsx file, with many sheets. I am trying to use
ConvertExcelToCSVProcessor processor to extract the sheets. It is currently
erroring when it extracts the header.
Here is what the header is in one of the sheets (commas added by me for
clarity):
10:30 PM Chris Sampson <
>>> chris.samp...@naimuri.com> wrote:
>>>
>>>> An UpdateAttribute could also be used to update the mime.type, e.g. to
>>>> text/csv.
>>>>
>>>> I'd think the csv record writer should probably do thi
ough IdentifyMimeType then you can
> likely view it just fine.
>
> Thanks
>
> On Sun, Sep 24, 2023 at 3:21 PM James McMahon
> wrote:
>
>> I sure can Joe. Here they are:
>>
>> RouteOnAttribute.Route
>> isExcel
>> execution.command
>> /u
not be able to render it. Can you show what flowfile attributes are
> present at the point you attempt to view it?
>
> Thanks
>
> On Sun, Sep 24, 2023 at 3:03 PM James McMahon
> wrote:
>
>> Hello. I have converted incoming Excel files to csv. I'd like to look at
>> th
Hello. I have converted incoming Excel files to csv. I'd like to look at
the result, but when I select my flowfiles from the output queue, I can
only select "View as hex" - but I cannot get the display to show me the
records in the form I expect. Viewing them using the hex display is not
helpful.
I have converted incoming Excel files to csv files. My incoming files vary
in structure, and so do have different headers and also different
field names. I have the header field names in an attribute.
How can I employ a QueryRecord or an ExecuteSQL processor to return a count
for each field of
>
> Thanks
> -Mark
>
>
> > On Jun 5, 2023, at 8:09 AM, James McMahon wrote:
> >
> > Hello. I have a requirement to scan for multiple regex patterns in very
> large flowfiles. Given that my flowfiles can be very large, I think my best
> approach is to employ an ExecuteGr
those fields by name and set them to
> null.
>
> Regards,
> Matt
>
> On Mon, May 29, 2023 at 10:38 AM James McMahon
> wrote:
> >
> > I have incoming JSON data that begins like this, and that I am trying to
> flatten with FlattenJSON v1.16.3:
> >
> &
I have incoming JSON data that begins like this, and that I am trying to
flatten with FlattenJSON v1.16.3:
{
"meta" : {
"view" : {
"id" : "kku6-nxdu",
"name" : "Demographic Statistics By Zip Code",
"assetType" : "dataset",
"attribution" : "Department of Youth and
I'm using a series of Groovy scripts running from NiFi v1.16.3
ExecuteScript. How can I determine which version of Groovy is baked into
NiFi v1.16.3?
: 12, "First-Citizens Bank & Trust Company": 11,
"Ameris Bank": 10, "U.S. Bank N.A.": 9, "Community & Southern Bank": 8,
"Centennial Bank": 7, "Stearns Bank, N.A.": 7, "Bank of the Ozarks": 7,
"Republic Bank of Chicago&
except change X to Y". Does it need to be SQL executed against the
> individual fields? If not, take a look at ScriptedTransformRecord doc
> (and its Additional Details page). IIRC you're a Groovy guy now ;) so
> you should be able to alter the fields as you see fit using Groovy
> r
Hello. I recently asked the community a question about processing CSV
files. I received some helpful advice about using processors such as
ConvertRecord and QueryRecord, and was encouraged to employ Readers and
RecordSetWriters. I've done that, and thank all who replied.
My incoming CSV files
our N outputs, you may be able to do this in one go or chain
> a few Processors (say “state”, then “city” then “zipcode”).
>
>
>
> Regards,
>
>
>
> Isha
>
>
>
> *Van:* James McMahon
> *Verzonden:* woensdag 12 april 2023 14:56
> *Aan:* users@nifi.ap
f different
> json files with a handful of records each, then splitting per row might be
> quicker than copying the entire json file that many times.
>
>
>
> Regards,
>
>
>
> Isha
>
>
>
> *Van:* James McMahon
> *Verzonden:* vrijdag 7 april 2023 17:14
&
record per flow file, this is an anti-pattern that leads to poor
> performance in the flow.
>
> Thanks,
>
> Bryan
>
> On Fri, Apr 7, 2023 at 9:41 AM James McMahon wrote:
> >
> > Very interesting, very helpful insights. Thank you again, Mike.
> > Late last night I
data they are traversing.
>
>
>
> Mike Sofen
>
>
>
> *From:* James McMahon
> *Sent:* Thursday, April 06, 2023 2:03 PM
> *To:* users@nifi.apache.org
> *Subject:* Re: Handling CSVs dynamically with NiFi
>
>
>
> Can I ask you one follow-up? I've gotten my
json keys definition changes depending on the
lfowfile, what should JsonPathExpression be set to in the SplitJson
configuration?
On Thu, Apr 6, 2023 at 9:59 AM Mike Sofen wrote:
> Jim – that’s exactly what I did on that “pre” step – generate a schema
> from the CSVReader and use that to dynamica
le when processing the actual files
> prior to storing into the destination table.
>
>
>
> Nifi was VERY fast and efficient in this, as was Postgres.
>
>
>
> Mike Sofen
>
>
>
> *From:* James McMahon
> *Sent:* Thursday, April 06, 2023 4:35 AM
> *To
We have a task requiring that we transform incoming CSV files to JSON. The
CSVs vary in schema.
There are a number of interesting flow examples out there illustrating how
one can set up a flow to handle the case where the CSV schema is well known
and fixed, but none for the generalized case.
The
Hello. We run nifi on an AWS EC2 instance. I currently employ certs for
nifi user authentication. The CA is in our nifi truststore. Users install
certs issued by the CA in their browsers. I've set up a parsing pattern in
nifi.properties to extract user identities from the CN of the cert, and I
SHA256":"e3daeb8cfd6db4aad20bb42900bc5fa4815eba7e55d97cb01a1a9674668f20b2",
> "sourceMD5":"a18eed985ddb04cbe13b487062628585"
>},
>"triage":{
> "datatype":"mdb",
> "mdb":{
>
I have used AttributeToJSON to generate this JSON:
header for table in mdb file', e)
session.transfer(ff, REL_FAILURE)
}
Jim
On Fri, Feb 10, 2023 at 7:19 AM James McMahon wrote:
> Ah - of course. I went overboard here. Just because I don't use the
> OutputStream for this purpose doesn't mean I can assume the method
> signature for
owFile input)
>
> Sent from my iPhone
>
> On Feb 9, 2023, at 9:34 PM, James McMahon wrote:
>
>
> Mark, your RouteText blog worked perfectly. Thank you very much.
>
> Matt, I still want to get the BufferedReader working. I'm close. Here is
> my code, with the error that re
ifi-flow-routetext-5068a3b4efb3
>
> Thanks
> Mark
>
> Sent from my iPhone
>
> On Feb 9, 2023, at 8:06 PM, James McMahon wrote:
>
>
> My version of nifi does not have Range Sampling unfortunately.
> If I get the flowfile through a session as done in the Cook
. I think some/most/all record processors write this attribute,
> and they work record by record so they don’t load the whole thing into
> memory. Even SampleRecord adds a record.count attribute but if you specify
> one line the value will be 1 :)
>
> Regards,
> Matt
>
>
> On Feb 9,
Hello. I am trying to identify a header line and a data line count from a
flowfile that is in csv format.
Most of us are familiar with Matt B's outstanding Cookbook series, and I am
trying to use that as my starting point. Here is my Groovy code:
import org.apache.commons.io.IOUtils
import
Hello. Does anyone have an approach they would recommend for reliably
detecting if a flowfile is a packed file that needs to be routed through
UnpackContent?
I have a RouteOnAttribute within which I check for filenames that end in
tar or zip, but that seems unsophisticated and overly reliant on
tion instead of view.
>
> On Tue, Jan 10, 2023 at 9:06 PM James McMahon
> wrote:
>
>> I have a group of csv files in a queue that I want to inspect. I List
>> Queue, select one that appears to be 110MB in size, go to my Details tab,
>> then click View. The UI spi
I have a group of csv files in a queue that I want to inspect. I List
Queue, select one that appears to be 110MB in size, go to my Details tab,
then click View. The UI spins and spins, displays a header as I would
expect, but never returns data rows.
I'm not sure how to debug this. The
on startup, so you need to retain and configure the same
> CA for toolkit of you plan to use it to issue new certs in future.
>
> On Wed, 28 Dec 2022, 17:32 James McMahon, wrote:
>
>> I continue to experience errors when I try to start my nifi 1.16.3
>> instance. I h
Not sure whether this question belongs in the users or developers domain.
Am asking in both hoping to get assistance.
I am trying to use tls-toolkit to create a CA and self-signed certs. I
notice that my CN in my pem file is not what I request on the command line.
How can I successfully force
I continue to experience errors when I try to start my nifi 1.16.3
instance. I have followed this guide in an effort to use the toolkit to
generate self-0signed certs for user admin, signed by a nifi truststore:
Apache NiFi Walkthroughs
eption on object creation; nested
exception is java.lang.IllegalStateException: Flow controller TLS
configuration is invalid
Bryan, if you see this can you please comment?
On Tue, Dec 27, 2022 at 4:13 PM James McMahon wrote:
> Hello. I am trying to start a secure instance of nifi version 1.1
Hello. I am trying to start a secure instance of nifi version 1.16.3. I am
getting this error on start attempt:
2022-12-27 20:44:21,765 INFO [main] o.a.n.r.v.FileBasedVariableRegistry
Loaded a total of 90 properties. Including precedence overrides effective
accessible registry key size is 90
gt; Also if you are trying to remove authentication/authorization and run
> over http, then why declare the SingleUserAuthorizer at all?
>
> On Tue, Dec 13, 2022 at 1:43 PM James McMahon
> wrote:
> >
> > Hello. I am having difficulty getting nifi to start for a simple s
Hello. I am having difficulty getting nifi to start for a simple single
node configuration without user authentication. My goal is to get a nifi
instance running over http. I understood that there would be no user
authentication in such a case. Why then is my nifi instance failing to
start with
access>
)
Would I set this in bootstrap.conf? How?
On Tue, Dec 13, 2022 at 7:45 AM James McMahon wrote:
> I am using an Ansible role from Ansible GALAXY that has been tested and
> validated up through Apache NiFi v1.14.0. I download and install 1.14.0.bin
> from the Apache NiFi archi
I am using an Ansible role from Ansible GALAXY that has been tested and
validated up through Apache NiFi v1.14.0. I download and install 1.14.0.bin
from the Apache NiFi archives fir this reason.
I am using ansible to install on and AWS EC2 instance. My java version on
this instance is:
openjdk
; Instead of the bootstrap log check the nifi-app.log. It might be out of
> memory or have the port it needs already in use.
>
> Regards,
>
> Jeremy
>
>
> On 11 Dec 2022, at 11:01, James McMahon wrote:
>
>
> I am trying to start nifi on an AWS EC2 instance. My bootst
I am trying to start nifi on an AWS EC2 instance. My bootstrap.conf says
the service does not start, but I see no indication why. I am trying to
start the nifi service using
sudo ../bin/nifi.sh start
How can I debug this? Here is the nifi-bootstrap log:
2022-12-11 02:54:02,932 INFO [main]
The NiFi System Administration Guide makes many recommendations for
configuration changes to optimize nifi performance. These "best
practices", for example:
*
https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#configuration-best-practices
Placement of repos on separate disk
.
Jim
On Tue, Nov 8, 2022 at 10:28 PM David Handermann <
exceptionfact...@apache.org> wrote:
> Jim,
>
> You're welcome! Thanks for following up and confirming the solution, great
> collaborative effort!
>
> Regard,
> David Handermann
>
>
>
>
> On Tue,
gt;> Make sure you use your full domain name
>> ec2-3-238-27-220.compute-1.amazonaws.com
>> David shorten it in his code
>>
>> On November 8, 2022 5:57:26 p.m. James McMahon
>> wrote:
>>
>>> Thank you, David. I’ve made that change, adding the pr
Yes sir, I did. I used the full public domain name.
On Tue, Nov 8, 2022 at 8:08 PM Dmitry Stepanov wrote:
> Make sure you use your full domain name
> ec2-3-238-27-220.compute-1.amazonaws.com
> David shorten it in his code
>
> On November 8, 2022 5:57:26 p.m. James McMahon
>
gt;
> Regards,
> David Handermann
>
> On Tue, Nov 8, 2022 at 6:06 PM James McMahon wrote:
>
>> Hi David. This is very helpful, thank you. I feel like I am close, but I
>> get an error. My Inbound Rules for my security group now include:
>> 8443 TCP (MyIP)/32
>> 44
gt; docker logs nifi | grep Generated
>
> Regards,
> David Handermann
>
> [1] https://hub.docker.com/r/apache/nifi
>
> On Tue, Nov 8, 2022 at 4:00 PM James McMahon wrote:
>
>> Hi and thank you, David and Dmitry. In my case I was following this
>> example,
>
n
>
> On Tue, Nov 8, 2022 at 1:54 PM James McMahon wrote:
>
>> Has anyone successfully configured NiFi on AWS, and accessed it from a
>> browser on a Windows desktop? I’ve tried following a few links to do this.
>> I’ve verified that my instance security grou
Has anyone successfully configured NiFi on AWS, and accessed it from a
browser on a Windows desktop? I’ve tried following a few links to do this.
I’ve verified that my instance security group allows access to 8080 via its
inbound rules. I’ve putty’ed into the instance via ssh port 22 to verify
When I am on a node that is part of a nifi cluster configuration and I
issue this REST API call from a browser...
https://1.2.3.4:8443/nifi-api/system-diagnostics
...is there a parameter that can be applied on that call to tell nifi I
want aggregated statistics for the cluster? And is that the
We have been experiencing occasional failures to restart nifi services on a
cluster node because the flow.xml.gz falls out of synch with the other
nodes of the cluster. While researching this, found an article that
discusses possible causes. That article mentions this:
"A change replication
Number()}'}
Unfortunately it continues to choke. I don't think it likes the single
quotes in the second expression of the replaceFirst('', '') being
followed immediately by the single quote at the front of $1.
Jim
On Tue, Oct 4, 2022 at 11:19 AM James McMahon wrote:
> I have an
I have an incoming filename that includes the pattern
prefix20221004035958postfix. I need to convert that yMdHms to seconds since
the epic within that filename.
This is the expression I attempt to use, but it seems to choke on the
capture group reference:
filename
I have a string representation of a datetime parsed from a lengthy
filename, attribute myValue with value of 20221003055959. If I convert to a
true datetime value and then apply toNumber() to that, does toNumber()
return milliseconds since the epoch? The expression language guide doesn’t
go into
we avoid anything beyond gzip
> because S3 is so cheap.
>
> On Thu, Sep 29, 2022 at 10:51 AM James McMahon
> wrote:
> >
> > Thank you Mark. Had no idea there was this file-based dependency to 7z
> files. Since my workaround appears to be working I think I may just move
> f
ere is
> discussion about this down at sourceforge but the detail is blocked by my
> employer’s firewall.
>
> p7zip / Discussion / Help: E_NOTIMPL for stdin / stdout pipe
> <https://sourceforge.net/p/p7zip/discussion/383044/thread/8066736d/>
>
> https://sourceforge.net/p/p
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