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Welcome to the KrakenD OPEN SOURCE mail group! Our community helps answer your KrakenD questions with responses from other knowledgeable community members. Once you are subscribed, email community@krakend.io with your questions.

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Posting guidelines:

Check if there is an existing thread with the same question
KrakenD product developers are part of the community, and might from time to time participate in threads, but this is not vendor support
Provide configuration examples and sufficient details so anyone can understand what you are doing and help you. Threads that are difficult to follow will lose the attention of the reader and you will probably end up without any answer.
Do not directly email KrakenD developers seeking help. All answers must be in the group

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Vũ Thành Trung

May 17

Trouble when using jwk locally file

Dear KrakenD team, I'm trying config for KrakenD CE V2.6.2 for RND, and I get a trouble with jwk

unread,

Trouble when using jwk locally file

Dear KrakenD team, I'm trying config for KrakenD CE V2.6.2 for RND, and I get a trouble with jwk

May 17

Nick, Albert Lombarte5

May 14

Glad to hear! El dia dimarts, 14 de maig del 2024 a les 1:25:09 UTC+2, Nick va escriure: I had my

unread,

Glad to hear! El dia dimarts, 14 de maig del 2024 a les 1:25:09 UTC+2, Nick va escriure: I had my

May 14

Patrick Karlsson, … Albert Lombarte7

May 7

Custom metrics from plugins

Hi Patrick, We will review the PR whenever we can, there are a lot of feature requests across all

unread,

Custom metrics from plugins

Hi Patrick, We will review the PR whenever we can, there are a lot of feature requests across all

May 7

Patrick Karlsson, Albert Lombarte2

May 2

Pattern matching in http server plugin

Hi Patrick, Server plugins are completely unaware of the routing layer, as they kick in before the

unread,

Pattern matching in http server plugin

Hi Patrick, Server plugins are completely unaware of the routing layer, as they kick in before the

May 2

Jose Augusto Batista

Apr 29

proxy flatmap_filter

Hi, god nigth i have problem with proxy: flat map_filter, using the 'append' item in the same

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proxy flatmap_filter

Hi, god nigth i have problem with proxy: flat map_filter, using the 'append' item in the same

Apr 29

Sebin Matthew, Albert Lombarte5

Apr 29

plugin was built with a different version of package

Hi Sebin, You can create a plugin that sends data to NewRelic, but monitoring/tracing should be

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plugin was built with a different version of package

Hi Sebin, You can create a plugin that sends data to NewRelic, but monitoring/tracing should be

Apr 29

Fuat Bozkurt, Albert Lombarte5

Apr 25

Response modifier plugin doesn't work when request fails

Do you have any suggestions ? 16 Nisan 2024 Salı tarihinde saat 11:46:38 UTC+3 itibarıyla Fuat

unread,

Response modifier plugin doesn't work when request fails

Do you have any suggestions ? 16 Nisan 2024 Salı tarihinde saat 11:46:38 UTC+3 itibarıyla Fuat

Apr 25

kanipakam gnanakumar

Apr 25

Need to pass client_id,client_secret,token_url from client header or query param instead of heard coding

Hi All, Need to pass client_id,client_secret,token_url from client header or query param instead of

unread,

Need to pass client_id,client_secret,token_url from client header or query param instead of heard coding

Hi All, Need to pass client_id,client_secret,token_url from client header or query param instead of

Apr 25

kanipakam gnanakumar, Albert Lombarte3

Apr 25

rolebased Authentication, basic auth in Krakend community edition.

thanks for the reply On Wednesday, April 24, 2024 at 6:41:56 PM UTC+5:30 Albert Lombarte wrote: Role

unread,

rolebased Authentication, basic auth in Krakend community edition.

thanks for the reply On Wednesday, April 24, 2024 at 6:41:56 PM UTC+5:30 Albert Lombarte wrote: Role

Apr 25

Gnana Kumar K., … kanipakam gnanakumar4

Apr 24

Passing headers to Oauth2 provider from client in KrakenD

Hi All, Kindly help me with above issue. Thanks, Gnana Kumar K On Monday, April 22, 2024 at 1:28:47

unread,

Passing headers to Oauth2 provider from client in KrakenD

Hi All, Kindly help me with above issue. Thanks, Gnana Kumar K On Monday, April 22, 2024 at 1:28:47

Apr 24

Subi, Albert Lombarte2

Apr 22

OSError(24, 'Too many open files') on Krakend Server during high load

Hi Subi, If you don't provide more details, it is complicated to guide you through, but if your

unread,

OSError(24, 'Too many open files') on Krakend Server during high load

Hi Subi, If you don't provide more details, it is complicated to guide you through, but if your

Apr 22

Patrick Karlsson, Albert Lombarte3

Apr 22

jwk from file verify signature not working

Thank you, I have added your comment to the documentation: https://www.krakend.io/docs/authorization/

unread,

jwk from file verify signature not working

Thank you, I have added your comment to the documentation: https://www.krakend.io/docs/authorization/

Apr 22

Natalio Gatti, Albert Lombarte3

Apr 12

Opentelemetry exporter trying to connect via https

Hi Albert, thanks for your response. My datadog agent wasn't configured to attend for grpc,

unread,

Opentelemetry exporter trying to connect via https

Hi Albert, thanks for your response. My datadog agent wasn't configured to attend for grpc,

Apr 12

Serdar Buyukdereli, Albert Lombarte2

Apr 12

Missing requests while deploying Krakend on Kubernetes

Hello Serdar, When you deploy to Kubernetes, you have to do a rolling update (aka blue/green),

unread,

Missing requests while deploying Krakend on Kubernetes

Hello Serdar, When you deploy to Kubernetes, you have to do a rolling update (aka blue/green),

Apr 12

Apr 3

Kafka subscription issue

Greetings, I'm currently utilizing a subscriber to consume messages from a Kafka queue. However,

unread,

Kafka subscription issue

Greetings, I'm currently utilizing a subscriber to consume messages from a Kafka queue. However,

Apr 3

Evghenii Garbuzneac, Albert Lombarte7

Mar 21

Response modification on KrakenD req-resp-modifier plugin

Hi Albert. Thank you, Hope it will work for us in combination with https://www.krakend.io/docs/

unread,

Response modification on KrakenD req-resp-modifier plugin

Hi Albert. Thank you, Hope it will work for us in combination with https://www.krakend.io/docs/

Mar 21

Esmanur Yenidogan, Albert Lombarte5

Mar 14

Conditional requests and responses with CEL

This problem is solved. Thanks for all 13 Mart 2024 Çarşamba tarihinde saat 13:57:58 UTC+3 itibarıyla

unread,

Conditional requests and responses with CEL

This problem is solved. Thanks for all 13 Mart 2024 Çarşamba tarihinde saat 13:57:58 UTC+3 itibarıyla

Mar 14

Jose Augusto Batista, Michel Fortes2

Mar 6

Use variable in modifier/martian

Its not possible. Martian is a static component. Maybe a Request/Response Modifier plugin could help.

unread,

Use variable in modifier/martian

Its not possible. Martian is a static component. Maybe a Request/Response Modifier plugin could help.

Mar 6

Mar 5

Modifying multiple headers

Ok, there is nothing wrong. Shadowing shall not copy config put on the previous backend. It works

unread,

Modifying multiple headers

Ok, there is nothing wrong. Shadowing shall not copy config put on the previous backend. It works

Mar 5

Ankit Verma, Albert Lombarte2

Feb 22

Verification of incoming Token and Generating Gateway Token For Downstream Service

Hello Ankit, Yes, this is possible. The scenario would be the following User --> JWT Token 1 --

unread,

Verification of incoming Token and Generating Gateway Token For Downstream Service

Hello Ankit, Yes, this is possible. The scenario would be the following User --> JWT Token 1 --

Feb 22

Greg Quinn, … Albert Garcia13

Feb 7

404 page not found when trying to hit endpoint

Hey Greg, I've gone through your steps and the shared logs, and there's a fundamental

unread,

404 page not found when trying to hit endpoint

Hey Greg, I've gone through your steps and the shared logs, and there's a fundamental

Feb 7

Szymon Pająk, Daniel Lopez5

Feb 6

PubSub Kafka issue

Indeed, there was something with my network. Switching to configuration where Krakend was within the

unread,

PubSub Kafka issue

Indeed, there was something with my network. Switching to configuration where Krakend was within the

Feb 6

Greg Quinn, David Hontecillas2

Feb 6

Error #01: invalid character 'I' looking for beginning of value

Is complaining about ISODate (it starts with an `I` and is not a valid JSON value .. just remove that

unread,

Error #01: invalid character 'I' looking for beginning of value

Is complaining about ISODate (it starts with an `I` and is not a valid JSON value .. just remove that

Feb 6

Greg Quinn, Albert Lombarte2

Feb 3

Recommended way to scale out Azure VM hosting KrakenD?

Hi Greg, You are right. With Virtual Machines you should place a load balancer in front of them. If

unread,

Recommended way to scale out Azure VM hosting KrakenD?

Hi Greg, You are right. With Virtual Machines you should place a load balancer in front of them. If

Feb 3

Patrick Karlsson, Albert Lombarte2

Feb 1

Best practices CI/CD with plugins

Hi Patrick, These two articles are relevant to this conversation: https://www.krakend.io/docs/

unread,

Best practices CI/CD with plugins

Hi Patrick, These two articles are relevant to this conversation: https://www.krakend.io/docs/

Feb 1

Peter Nguyen, Albert Lombarte2

Jan 26

Docker or Local install for Production?

Hi Peter, I would recommend maintaining the same deployment strategy you are using today. Whatever

unread,

Docker or Local install for Production?

Hi Peter, I would recommend maintaining the same deployment strategy you are using today. Whatever

Jan 26

Sharon Yarmovski

Jan 8

HTTPS CURL - Cannot validate certificate for IP because it doesn't contain any IP SANs

Hi, I'm trying to do a GET req via CURL in HTTPS mode, which means all the configurations of

unread,

HTTPS CURL - Cannot validate certificate for IP because it doesn't contain any IP SANs

Hi, I'm trying to do a GET req via CURL in HTTPS mode, which means all the configurations of

Jan 8

Swaroop, Albert Lombarte2

Jan 8

Convert one input header to queryparam default

Hi Swaroop, You can achieve this using Lua: https://www.krakend.io/docs/endpoints/lua/ El dia

unread,

Convert one input header to queryparam default

Hi Swaroop, You can achieve this using Lua: https://www.krakend.io/docs/endpoints/lua/ El dia

Jan 8

tanz, Daniel Ortiz3

Jan 4

Response modification on krakend

In that case, I would go with lua plugins, you have a lot of working examples in the repo and the

unread,

Response modification on krakend

In that case, I would go with lua plugins, you have a lot of working examples in the repo and the

Jan 4

pankaj jain, Ranu Pratap Singh2

12/28/23

Unable to handle huge traffic

Can you provide more details ? Details like endpoint configuration extra config like rate limits

unread,

Unable to handle huge traffic

Can you provide more details ? Details like endpoint configuration extra config like rate limits

12/28/23

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