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# generals
Slackbot
11/27/2023, 9:31 AMThis message was deleted.
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Lari Hotari
11/27/2023, 11:31 AMYou can run Pulsar in standalone mode and attach the debugger to the process.
Download the binary distribution of a release, extract it to some directory and run this command:
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OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005" ./bin/pulsar standalone -nss -nfw Copy code
git clone <https://github.com/apache/pulsar>
cd pulsar
mvn -Pcore-modules,-main -T 1C install -DskipTests -Dspotbugs.skip=true
OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005" ./bin/pulsar standalone -nss -nfwdata/*rm -rf data/*Lari Hotari
11/27/2023, 11:38 AMTo learn how it works, you might want to start with the understanding of the architecture and concepts.
https://pulsar.apache.org/docs/next/concepts-architecture-overview/ is where you can find this information.
There are various blog posts that explain more details, for example this one is useful: https://jack-vanlightly.com/blog/2018/10/2/understanding-how-apache-pulsar-works
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Umut Bilal Okur
11/27/2023, 7:27 PMThank you, Lari. Best regards.
Umut Bilal Okur
11/28/2023, 1:33 PM@Lari Hotari Hello again, I have attached debugger to pulsar but couldn't use debugger yet, can I use debugger through using pulsar-shell, or is there another way?
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Lari Hotari
11/28/2023, 2:02 PM@Umut Bilal Okur Have you tried using IntelliJ's debugger? With the debugger, do you mean a Java code debugger? That's what the options that I provided will allow using. Once you have IntelliJ setup with the Pulsar code base, (please check the "Setting up and IDE" instructions) you can add a new debugger run configuration in IntelliJ to connect to the Pulsar process.
Lari Hotari
11/28/2023, 2:03 PMYou have to make sure that you have source code checked out for the version that you debugging. If you debug the source version built by yourself, that would match in every case.
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Umut Bilal Okur
11/28/2023, 4:08 PM@Lari Hotari I have same configurations as you provided. And also I ran pulsar standalone with command that you give and I have managed to attach the IntelliJ debugger. So far so good. After that, I've excepted to trigger the breakpoints while I'm using pulsar-shell commands.
Umut Bilal Okur
11/28/2023, 4:09 PMProbably, I missed some logic, is it possible to trigger breakpoints with pulsar-shell commands?
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Lari Hotari
11/28/2023, 4:10 PMIf you'd like to have breakpoints in pulsar-shell / pulsar client, you should pass the debugger enabling to the pulsar-shell process. the same way will work for
pulsar-shellLari Hotari
11/28/2023, 4:10 PMif you want to have then enabled both at the same time, you should pick unique ports
Lari Hotari
11/28/2023, 4:11 PMsomething like this should work for `pulsar-shell`:
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OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005" ./bin/pulsar-shell🙌 1
Lari Hotari
11/28/2023, 4:12 PMassuming you are using MacOS or Linux
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Umut Bilal Okur
11/28/2023, 4:19 PM@Lari Hotari Thank you! It is solved now.
Umut Bilal Okur
11/28/2023, 4:20 PMare these commands available on documents on the website
Umut Bilal Okur
11/28/2023, 4:20 PMDid I missed it?
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Lari Hotari
11/28/2023, 4:28 PMI think it's missing. Please contribute an improvement!
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Umut Bilal Okur
11/28/2023, 4:29 PMI will indeed, thank you again.
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Umut Bilal Okur
12/11/2023, 6:55 PM@Lari Hotari I have opened the required PR for documentation on pulsar-site. Can you take a look when you're available. Thanks again.
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Lari Hotari
12/11/2023, 7:03 PMThank you @Umut Bilal Okur! Awesome job. I provided a review comment on https://github.com/apache/pulsar-site/pull/749 .
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Umut Bilal Okur
12/11/2023, 7:25 PMThanks a lot, friend. I appreciate it.
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