Java Community | Help. Code. Learn.•3w ago

Gradle, Ebean: Service loader didn't find a SpiContainerFactory?

Hey, I'm having a problem with Ebean at the moment and hope someone here is able to help. It's the first time I'm using Gradle and the first time I'm using Ebean in private, so sorry if there's any obvious mistakes. This is the config I had using the "Getting Started" documentation:

plugins {
    id("io.ebean") version "15.8.0"
}

dependencies {
    implementation("com.mysql:mysql-connector-j:9.1.0")
    implementation("io.ebean:ebean:15.8.0")
    implementation("io.ebean:ebean-querybean:15.8.0")
    annotationProcessor("io.ebean:querybean-generator:15.8.0")
}

plugins {
    id("io.ebean") version "15.8.0"
}

dependencies {
    implementation("com.mysql:mysql-connector-j:9.1.0")
    implementation("io.ebean:ebean:15.8.0")
    implementation("io.ebean:ebean-querybean:15.8.0")
    annotationProcessor("io.ebean:querybean-generator:15.8.0")
}

Then I got an error message stating I should use driver specific packages (since Ebean 13+), which wasn't documented for gradle, so I checked out the Maven page and came up with this:

plugins {
    id("io.ebean") version "15.8.0"
}

dependencies {
    implementation("com.mysql:mysql-connector-j:9.1.0")
    implementation("io.ebean:ebean-api:15.8.0") // fuer io.ebean.service.SpiContainer(Factory)
    implementation("io.ebean:ebean-platform-mysql:15.8.0")
    implementation("io.ebean:ebean-querybean:15.8.0")
    annotationProcessor("io.ebean:querybean-generator:15.8.0")
}

plugins {
    id("io.ebean") version "15.8.0"
}

dependencies {
    implementation("com.mysql:mysql-connector-j:9.1.0")
    implementation("io.ebean:ebean-api:15.8.0") // fuer io.ebean.service.SpiContainer(Factory)
    implementation("io.ebean:ebean-platform-mysql:15.8.0")
    implementation("io.ebean:ebean-querybean:15.8.0")
    annotationProcessor("io.ebean:querybean-generator:15.8.0")
}

Now I'm getting an error about SpiContainerFactory not being found, even though the class is part of my jar. DatabaseProvider: https://paste.helpch.at/igogeyiraf.java Error: https://paste.helpch.at/dihajofopi.rb (also without shading)

10 Replies

JavaBot•3w ago

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stechy1•3w ago

Hello, do you know how the SPI works? Providing a class in your jar is just one part. As a second part, you have to configure META-INF/services to inform java about your class...

AzeOP•3w ago

No, I never had to deal with that before Are you able to recommend some resource I can use to read up on that topic?

stechy1•3w ago

I hope I will not get banned by posting this link 🙂 https://www.baeldung.com/java-spi

Baeldung

Java Service Provider Interface | Baeldung

Have a look at the components of the Java Service Provider Interface with a practical use case.

AzeOP•3w ago

Thanks! I’ll give this a go later 😄

JavaBot•3w ago

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AzeOP•3w ago

Again thanks for the link, but I feel like this is not the proper approach for the issue I'm facing, perhaps I'm just misunderstanding this. So what I took from the website is that I'd have to create some META-INF files, but they would all point to library internal files, since I'm not actually the one provisioning the SpiContainer stuff? The ebean docs also don't mention any of this stuff afaik

JavaBot•3w ago

AzeOP•3w ago

I was missing ebean-core and ebean-datasource :facepalm:

JavaBot•3w ago

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Gradle, Ebean: Service loader didn't find a SpiContainerFactory?