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Questions tagged [apache-pulsar]

Apache Pulsar is an open-source distributed pub-sub messaging system

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How to set Apache Pulsar as the appender to Log4j2?

I've been tasked to setup a logging system that uses Apache Pulsar as the appender to Log4j2. I'm really lost on how to set this up and there doesn't seem to be any documentation/examples to go by. Does anyone have an idea how to go about this?
doctopus
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Apache Pulsar connection refused

In my Pulsar consumer/producer, when trying to connect to Pulsar, I'm getting this error message: java.util.concurrent.CompletionException: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: …
devinbost
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How to continually consume messages from Apache Pulsar?

How do you continually consume messages from Apache Pulsar using Akka Streams and print each message? Below is sample code I found from the pulsar4s library. Instead of publishing the messages to another topic, how do you print the consumed…
sreekesh.s
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Granting Namespace Permissions in Apache Pulsar

I've been looking into Apache Pulsar for a while for functionality and am quite happy. However, I just got into authentication/authorization and encountered a strange error with the Java admin client. While I was able to perform all kinds of…
Volker Kueffel
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Receiving `Got unexpected send receipt for message` warning when using `SendAsync` method on Pulsar producer

I have a Pulsar topic to which I am publishing messages through multiple producers. These producers are just goroutines and I am using SendAsync method on a producer to send messages but I keep getting Got unexpected send receipt for message…
Deepak Sah
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Pulsar Client Error - Failed to load an authentication plugin

when attempting to run pulsar-client consume command locally, I'm getting the error: Failed to load an authentication plugin This is the command I ran: ./pulsar-client consume persistent://data-log/ingest/data-log-kafka -s damo I have a…
Damo
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Will Pulsar delete offloaded segments while deleting topics?

Pulsar supports https://pulsar.apache.org/docs/en/cookbooks-tiered-storage/, Tiered storage, which is great. I experiment this feature, and saw it put some files on to AWS S3, looks like 2 files per segment, both with the same…
Xiang Zhang
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How to write a simple Pulsar metrics query using Prometheus?

I'm new to Prometheus and Pulsar as well, but following docs I'm trying to send a simplest query just to learn. I've looked at Namespace metrics and tried to retrieve the number of subscriptions. I should mention also that I'm using Postman and…
kter
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Apache-Pulsar cluster setup (multi broker) in local machine

I am able to run apache-pulsar standalone in local machine as docker container. docker-compose.yml pulsar-standalone: image: apachepulsar/pulsar ports: - "8080:8080" - "6650:6650" expose: - 8080 - 6650 …
RATTLESNAKE
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Apache Pulsar Reader can still get messages which should be deleted

I am a newbie to Apache Pulsar (also to MQ system). Now, I have a question about Pulsar Reader. Question description: I launch a Pulsar instance, then start a consumer, listen on a topic A. Then I start a producer, send 100 messages to topic A, and…
Forherlong
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Apache Pulsar Readers

I am using Apache Pulsar via WebSockets. When I use a reader to fetch the data from a topic, if I acknowledge the messages, will they be deleted from the topic? I have set a retention period for the namespace of that topic as such: pulsar-admin…
Sylens
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Failing to set up Zookeeper cluster for Pulsar

I am trying to set up a Zookeeper cluster for Pulsar. I am following the instructions here, but I keep failing. In my setup, I have two nodes, that should be part of the cluster. Since I need to deploy bookie to the same nodes, I executed $…
coolaturon
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how to add/remove the connector in Pulsar in rest api?

I am using Pulsar IO with support for the Debezium source connectors to get stream changes from your databases. From the documentation, it is clear how to connect to MYSQL, $ bin/pulsar-admin source localrun --sourceConfigFile…
user824624
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Error No such file or directory: _pulsar.so

when installing pulsar-client for python by running the below steps $ git clone https://github.com/apache/pulsar $ cd pulsar/pulsar-client-cpp/python $ sudo python setup.py install encountered the error No such file or directory: _pulsar.so
walter
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Apache pulsar java.lang.IllegalArgumentException

I'm working on a apache pulsar cluster and it was working fine, but for some reason I started getting the following message when I try to send a message: ERROR [id: 0xc5de4911, L:/127.0.0.1:55672 - R:localhost/127.0.0.1:6650] Close connection…
elcharrua
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