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@AdamBien
Created September 9, 2019 07:15
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67thAirhacksQ&A.md

Ask questions and see you at October, 7th, 6.PM. CET: http://www.ustream.tv/channel/adambien

Also checkout recent episode:

66th airhacks.tv

Please keep the questions Java EE-stic. Means: as short and as concise as only possible. Feel free to ask several, shorter questions.

@tonyherstell
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@geilsonfonte
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Hello Adam!

Currently we deploy dozens of WARs in a single Java EE 6 app server. In our experience, this leads to all sort of problems, such as: memory leaks, classloader issues, unclean server state...

Given that using containers is not currently an option for political reasons, what could be the next best solution? Do the latest servers handle multiple apps better, or is this practice effectively abandoned?

Thanks!

@Vagspath
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Vagspath commented Sep 24, 2019

Hi Adam,

a)
Searching with/in text in RDBMS like Mysql with like query e.t.c is really bad for performance.

I'm trying to find a way to use something like Apache Lucene with EclipseLink . I checked Hibernate Search but this is only for Hibernate. Any ideas?
Also, In my case i cannot use an extrernal server like Solr. I 'm looking for some library.

b) About jee testing. I checked up the TestContainers (https://www.testcontainers.org) to integrate real databases instances and not memory databases (like derby) to our junit code as we used to . What is opinion about this approach?

c) We have increased max connections in Wildfly datasource but if this number is reached then wildfly gives no other connection to other requests so it will be frozen..... Any proposal for handling this situation? (besides increasing all the time the max connections).
Or we just keep increasing datasource and database max connections....we can check percona article about 100.000 connections in a single mysql server instance https://www.percona.com/blog/2019/02/25/mysql-challenge-100k-connections/!!!!!

Thanks!!!!
Vaggelis

@deratzmann
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Hey, Adam.
We are trying to create a new app with quarkus.
Do you have an idea how to not store datasource passwords in quarkus (agroal conn pool) in clear text or environment vars? I cannot really find one. E.g. through an keystore alias like in payara. This might be an important topic while migrating productive apps.
The current examples are only clear text entries in files that might be checked in into a git repo.

Best regards.

Bastian

@AdamBien
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AdamBien commented Oct 7, 2019

What is you opinion about Kotlin? (i am using Kotlin in a new project)...

going right to point , my core question about the Fluid Logic pattern, do you think that right now there is a new Strategies to implement this?

--by Hermer F.

@AdamBien
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AdamBien commented Oct 7, 2019

Blog comment by David:
Thread-safe vs. transaction aware: http://adambien.blog/roller/abien/entry/is_in_an_ejb_injected#comment-1570212848900

@AdamBien
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AdamBien commented Oct 7, 2019

Blog comment by Alexander:
JPA integration tests and JPA detection:
http://adambien.blog/roller/abien/entry/cloud_ready_configuration_for_jpa#comment-1569591937338

@AdamBien
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AdamBien commented Oct 7, 2019

Blog comment by Kevin:
Java EE, Jakarta EE and PDF specifications:
http://adambien.blog/roller/abien/entry/java_ee_is_dead_completely#comment-1569412157914

@AdamBien
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AdamBien commented Oct 7, 2019

@AdamBien
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AdamBien commented Oct 7, 2019

@ahofmeister
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How productive is quarkus.io in your opinion right now (0.23.2) ?
How would you handle large initial SQL files as initial data with quarkus, but keep a low size jar (aka thin war)?

Greetings from germany :)

@ghassen-chetioui
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ghassen-chetioui commented Oct 7, 2019

Hello Adam,
What is the the right approach to interact with an AMQP brocker (RabbitMQ) in a Jakarta EE application. It would be really great if you can hack something when you have some free time :)
Thanks !
Ghassen

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