kafka-rest logs

[Teik Hooi Beh]

Hi, I have just started testing kafka-rest with schema-registry and is successful testing small data schema. Now I am testing with a bigger data schema and have been hitting 500 server error ( I am using postman for the posting). Where are the log files for kafka-rest located? I only see the kafka server logs but nothing on kafka-rest. 

Please advice. Thanks in advance.

Regards

Beh

[Guillaume Roger | webpower]

HI,

I always only have them on stdout (or journalctl as I start kafka-rest via systemd). Without configuring log4j I think that is all there is.

Cheers,

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Guillaume Roger

Senior big data engineer & architect @ Webpower

Koolhovenstraat 1k, 3772 MT, Barneveld, Nederland

guillaume.roger@webpower.nl | +31 (0) 342 423 262

[Teik Hooi Beh]

Yup, i change to DEUG level and more info spill out on the stdout. Thanks.

On Thu, Feb 9, 2017 at 10:01 PM, Guillaume Roger | webpower <guillau...@webpower.nl> wrote:

HI,

I always only have them on stdout (or journalctl as I start kafka-rest via systemd). Without configuring log4j I think that is all there is.

Cheers,

On Thu, 9 Feb 2017 at 05:18 Teik Hooi Beh <th...@thbeh.com> wrote:

Hi, I have just started testing kafka-rest with schema-registry and is successful testing small data schema. Now I am testing with a bigger data schema and have been hitting 500 server error ( I am using postman for the posting). Where are the log files for kafka-rest located? I only see the kafka server logs but nothing on kafka-rest. 

Please advice. Thanks in advance.

Regards

Beh

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Guillaume Roger

Senior big data engineer & architect @ Webpower

Koolhovenstraat 1k, 3772 MT, Barneveld, Nederland

guillaume.roger@webpower.nl | +31 (0) 342 423 262

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[Vikrant Kumbhar]

Hi Beh,

Do you found any solution on this ?

Currently i am facing the same, 500 error issue, Your suggestion can be helpful for me.

Regards,

Vikrant

[Manoj Khangaonkar]

You have to configure etc/kafka-rest/log4.properties to send the logs to a file of your choice.

By default they go only to stdout.

Here is a sample

log4j.rootLogger=INFO, stdout, kafkarestAppender

log4j.appender.stdout=org.apache.log4j.ConsoleAppender

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c:%L)%n

log4j.appender.kafkarestAppender=org.apache.log4j.DailyRollingFileAppender

log4j.appender.kafkarestAppender.DatePattern='.'yyyy-MM-dd-HH

log4j.appender.kafkarestAppender.File=/opt/confluent-3.3.0/logs/kafkarest.log

log4j.appender.kafkarestAppender.layout=org.apache.log4j.PatternLayout

log4j.appender.kafkarestAppender.layout.ConversionPattern=[%d] %p %m (%c)%n

log4j.logger.io.confluent=INFO

log4j.logger.org.apache=INFO

regards

[Vikrant Kumbhar]

Hi Manoj,

Thank you for suggestion.

Just tried to configure  /etc/kafka-rest/log4j.properties the file.

but it not logging internal server error.

I am doing following steps -

• Created a Kafka Topic
• Added the topic name in /etc/kafka-con-elasticsearch/quickstart-elasticsearch.properties
• in command line used below command -
  sudo /usr/bin/connect-standalone /etc/schema-registry/connect-avro-standalone.properties /etc/kafka-con-elasticsearch/quickstart-elasticsearch.properties
• In another command line used below command to post data -
  curl -X POST -H "Content-Type: application/vnd.kafka.json.v2+json" -H "Accept: application/vnd.kafka.v2+json" --data '{"records":[{"value":{"f1":"bar"}}]}' "http://192.168.10.245:8082/topics/vbnvicky9"
• In response received Internal server error message

Please suggest if i am doing any thing wrong.

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Best Regards, Vikrant Kumbhar

[Vikrant Kumbhar]

Hi Manoj,

Thank you for suggestion.

Just tried to configure  /etc/kafka-rest/log4j.properties the file.

but it not logging internal server error.

I am doing following steps -

• Created a Kafka Topic
• Added the topic name in /etc/kafka-con-elasticsearch/quickstart-elasticsearch.properties
• in command line used below command -
  sudo /usr/bin/connect-standalone /etc/schema-registry/connect-avro-standalone.properties /etc/kafka-con-elasticsearch/quickstart-elasticsearch.properties
• In another command line used below command to post data -
  curl -X POST -H "Content-Type: application/vnd.kafka.json.v2+json" -H "Accept: application/vnd.kafka.v2+json" --data '{"records":[{"value":{"f1":"bar"}}]}' "http://192.168.10.245:8082/topics/vbnvicky9"
• In response received Internal server error message

Please suggest if i am doing any thing wrong.