Most voted questions in Apache Kafka

+3 votes
1 answer

How to install Kafka on Windows System?

These are the steps to install Kafka ...READ MORE

Feb 25, 2019 in Apache Kafka by Ramya
11,683 views
+2 votes
2 answers

Getting error in schema-registry start command

It is working for me with below ...READ MORE

Sep 30, 2019 in Apache Kafka by Brajkishore
• 220 points
1,877 views
+1 vote
1 answer

What is the importance of Kafka bootstrap.servers?

Hi@akhtar, Bootstrap.servers is a mandatory field in Kafka ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
8,058 views
+1 vote
2 answers

How to check Kafka version?

Hi@akhtar, Actually, in kafka there is no command ...READ MORE

Feb 10, 2020 in Apache Kafka by MD
• 95,180 points
19,840 views
+1 vote
3 answers

What is the need of zookeeper in kafka? Can I use kafka without zookeeper?

I just would like to complete the ...READ MORE

Dec 3, 2020 in Apache Kafka by Tamás
• 140 points
5,203 views
+1 vote
1 answer

ERROR Unexpected exception, exiting abnormally (org.apache.zookeeper.server.ZooKeeperServerMain) java.net.BindException: Address already in use

Hi@akhtar, Here the zookeeper service is already started ...READ MORE

Feb 5, 2020 in Apache Kafka by MD
• 95,180 points
3,760 views
+1 vote
1 answer
+1 vote
1 answer

Kafka consumer not able to start reading messages from the last uncommitted offsets

Hi@prasant, I am not sure it will work ...READ MORE

Feb 18, 2020 in Apache Kafka by MD
• 95,180 points
5,359 views
+1 vote
0 answers

The KSQL query PRINT 'Topic' doesn't return a result

when I use the consumer it return ...READ MORE

Jul 1, 2019 in Apache Kafka by salma
298 views
+1 vote
0 answers

Want to delete consumed topic programatically

directly delete kafka log folder and zeekeeper ...READ MORE

Jun 4, 2019 in Apache Kafka by sarvesh
431 views
+1 vote
10 answers

Writing the Kafka consumer output to a file

System.out.println(String.valueOf(output.offset()) + ": " + new String(bytes, ...READ MORE

Dec 7, 2018 in Apache Kafka by Harsh
21,180 views
0 votes
0 answers

zookeeper service is not started properly

Getting below warning in zookeeper log 2021-02-19 14:20:27,911 ...READ MORE

Feb 19 in Apache Kafka by anonymous
• 120 points
104 views
0 votes
1 answer

How to change the data directory in Zookeeper?

Hi@akhtar, You can change the default directory in ...READ MORE

Dec 8, 2020 in Apache Kafka by MD
• 95,180 points
203 views
0 votes
1 answer

How to stop zookeeper service?

Hi@akhtar, You can find one script in the ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
83 views
0 votes
1 answer

How to configure zookeeper for Kafka?

Hi@akhtar, It is a must to set up ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
111 views
0 votes
1 answer

How to list all Kafka topics?

Hi@akhtar, Kafka uses ZooKeeper, so you need to ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
1,055 views
0 votes
1 answer

What is a broker in Kafka Cluster?

Hi@akhtar, A Kafka broker receives messages from producers and stores ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
80 views
0 votes
1 answer

What is a producer in Kafka Cluster?

Hi@akhtar, The Kafka producer is conceptually much simpler than the ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
52 views
0 votes
1 answer

How to start a consumer in Kafka cluster?

Hi@akhtar, In Kafka, each topic is divided into a ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
68 views
0 votes
1 answer

How to create a Kafka producer?

Hi@MD, Generally, Kafka producer comes from an API. ...READ MORE

Dec 7, 2020 in Apache Kafka by akhtar
• 38,170 points
66 views
0 votes
1 answer

How to create a Kafka topic in a broker?

Hi@akhtar, To create a Kafka topic, you need ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
106 views
0 votes
1 answer

How to start Kafka server?

Hi@akhtar, You need the start your zookeeper service ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
108 views
0 votes
1 answer

How to start Zookeeper service?

Hi@akhtar, Before you start the Zookeeper service, you need ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,180 points
100 views
0 votes
1 answer

ERROR tool.BaseSqoopTool: Error parsing arguments for import:ERROR tool.BaseSqoopTool: Unrecognized argument: -topic

Hi@oguzhan, I have checked the Sqoop document, but ...READ MORE

Sep 7, 2020 in Apache Kafka by MD
• 95,180 points
233 views
0 votes
1 answer

How to consume the consumed message from the kafka topic based on offset ? please provide example in confluent_kafka python

Hi@Amit, You can pass --offset keyword in your ...READ MORE

Aug 10, 2020 in Apache Kafka by MD
• 95,180 points
1,609 views
0 votes
1 answer

Kafka SASL/SCRAM

Hi@progDuck, By default it is connecting to localhost:2181, ...READ MORE

Jun 5, 2020 in Apache Kafka by MD
• 95,180 points
730 views
0 votes
1 answer

Kafka SASL/SCRAM

Hi@progDuck, By default it is connecting to localhost:2181, since ...READ MORE

Jun 5, 2020 in Apache Kafka by MD
• 95,180 points
545 views
0 votes
2 answers

Kafka Consumer is not throwing errors even though if i provide wrong broker details in Java Standalone

Please delete all log files. Reason behind, ...READ MORE

Jun 17, 2020 in Apache Kafka by Pawan
• 380 points
156 views
0 votes
0 answers

how to delete the topic in kafka

How to stop Kafka server from crashing ...READ MORE

May 13, 2020 in Apache Kafka by sreeveena
• 140 points
246 views
0 votes
1 answer

how can we delete the topic in kafka in kafkatool application ?

Hi@sreeveena, I am not sure but there may be ...READ MORE

May 13, 2020 in Apache Kafka by MD
• 95,180 points
499 views
0 votes
1 answer

How can I connect aws lambda and kafka ?

Hi@Rishabh, I think to implement this task you ...READ MORE

May 4, 2020 in Apache Kafka by MD
• 95,180 points
1,909 views
0 votes
1 answer

How can i connect to an api which gives me weather data to Apache kafka?

Hi, To connect an API in kafka, you ...READ MORE

Apr 13, 2020 in Apache Kafka by MD
• 95,180 points
337 views
0 votes
1 answer

Caused by: org.apache.kafka.connect.errors.DataException: Converting byte[] to Kafka Connect data failed due to serialization error:

Hi@akhtar, To fix the pipeline, you need to resolve ...READ MORE

Apr 3, 2020 in Apache Kafka by MD
• 95,180 points
1,323 views
0 votes
1 answer

How to read batch messages in confluent-kafka-python?

Hi@akhtar, You have to read the messages normally ...READ MORE

Apr 3, 2020 in Apache Kafka by MD
• 95,180 points
2,094 views
0 votes
1 answer

How to write output from Kafka to S3 using a Confluent S3 connector?

Hi@akhtar, To do this task you have to ...READ MORE

Apr 3, 2020 in Apache Kafka by MD
• 95,180 points
816 views
0 votes
1 answer

Error: pass --path /path/to/confluent flag or set environment variable CONFLUENT_HOME

Hi@akhtar, Before starting confluent kafka in your system, ...READ MORE

Apr 3, 2020 in Apache Kafka by MD
• 95,180 points
1,141 views
0 votes
2 answers

How to installed confluent kafka in our system?

Easy Approach is work with Docker. ConfluentInc ...READ MORE

Jun 17, 2020 in Apache Kafka by Pawan
• 380 points
704 views
0 votes
1 answer

Error: kafka/Kafka : Unsupported major.minor version 52.0

Hi@akhtar, As the above error shows that the ...READ MORE

Mar 31, 2020 in Apache Kafka by MD
• 95,180 points
831 views
0 votes
1 answer

error during KafkaServerStartable startup. Prepare to shutdown (kafka.server.KafkaServerStartable)

Hi@akhtar, This error occurs because zookeeper is running already. So ...READ MORE

Mar 31, 2020 in Apache Kafka by MD
• 95,180 points
768 views
0 votes
1 answer

I tried to do configration for retation log in kafkA ,BUT kafka broker shuts Down.Is there any solution for that??

Hi@Parth, There are mainly two types of retention ...READ MORE

Feb 18, 2020 in Apache Kafka by MD
• 95,180 points
189 views
0 votes
1 answer

[Mac] Writing the Kafka consumer output to a CSV file

Hi@ I don't know it will work or ...READ MORE

Feb 18, 2020 in Apache Kafka by MD
• 95,180 points
1,804 views
0 votes
2 answers

Is there any Web UI for kafka?

Yes. There is one Tool Name Called ...READ MORE

Mar 14, 2020 in Apache Kafka by Sagar
1,499 views
0 votes
1 answer

How to create Kafka consumer API?

Hi@akhtar, If you know the kafka producer API ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
419 views
0 votes
1 answer

How consumers enter/exit in groups?

Hi@akhtar, Whenever one new consumer comes or leaves ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
136 views
0 votes
1 answer

How to implement parallel read in a single application?

Hi@akhtar, To read parallel we have to create ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
452 views
0 votes
1 answer

What is the meaning of retries in Kafka Producer API?

Hi@akhtar, It defines how many time the producer ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
1,923 views
0 votes
1 answer

What is the use of acts configuration in Kafka Producer API?

Hi@akhtar, The acts configuration is used to configure ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
301 views
0 votes
1 answer

What is the need of serializer in Kafka Producer API?

Hi@akhtar, If we try to use String key ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
253 views
0 votes
1 answer

How to create kafka producer API?

Hi@akhtar, To create kafka producer API, you can ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,180 points
185 views