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A recent patch moved the internal unit tests to mokito, allowing deep mocking to easily setup a mocked server instance. While this change is useful, the server's Server#getItemFactory methods is one of the hottest paths during unit testing, being called numerous times by material tests. As mokito mocks keep track of each invocation to allow for verifications of invocations down the line, the server mock allocates a huge amount of memory to keep track of all invocations, ultimately leading to an OOM exception. The previous solution solved this by increasing the tests memory to 2 GB, however as of right now simply configuring the server mock as "stubOnly", properly prevents the overflow of invocation records as none of the unit test code relies on invocation verification. |
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| gradle/wrapper | ||
| licenses | ||
| Paper-MojangAPI | ||
| patches | ||
| scripts | ||
| test-plugin | ||
| work | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
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| build.gradle.kts | ||
| CONTRIBUTING.md | ||
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| LICENSE.md | ||
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Paper 
High performance Spigot fork that aims to fix gameplay and mechanics inconsistencies.
Support and Project Discussion:
- Our forums, Discord, or IRC
How To (Server Admins)
Paperclip is a jar file that you can download and run just like a normal jar file.
Download Paper from our downloads page.
Run the Paperclip jar directly from your server. Just like old times
- Documentation on using Paper: docs.papermc.io
- For a sneak peek at upcoming features, see here
How To (Plugin Developers)
- See our API patches here
- See upcoming, pending, and recently added API here
- Paper API javadocs here: papermc.io/javadocs
- Maven Repo (for paper-api):
<repository>
<id>papermc</id>
<url>https://repo.papermc.io/repository/maven-public/</url>
</repository>
- Artifact Information:
<dependency>
<groupId>io.papermc.paper</groupId>
<artifactId>paper-api</artifactId>
<version>1.19.3-R0.1-SNAPSHOT</version>
<scope>provided</scope>
</dependency>
Or alternatively, with Gradle:
- Repository:
repositories {
maven {
url = uri("https://repo.papermc.io/repository/maven-public/")
}
}
dependencies {
compileOnly("io.papermc.paper:paper-api:1.19.3-R0.1-SNAPSHOT")
}
java {
toolchain.languageVersion.set(JavaLanguageVersion.of(17))
}
How To (Compiling Jar From Source)
To compile Paper, you need JDK 17 and an internet connection.
Clone this repo, run ./gradlew applyPatches, then ./gradlew createReobfBundlerJar from your terminal. You can find the compiled jar in the project root's build/libs directory.
To get a full list of tasks, run ./gradlew tasks.
How To (Pull Request)
See Contributing
Support Us
First of all, thank you for considering helping out, we really appreciate that!
PaperMC has various recurring expenses, mostly related to infrastructure. Paper uses Open Collective via the Open Source Collective fiscal host to manage expenses. Open Collective allows us to be extremely transparent, so you can always see how your donations are used. You can read more about financially supporting PaperMC on our website.
You can find our collective here, or you can donate via GitHub Sponsors here, which will also go towards the collective.
Special Thanks To:
YourKit, makers of the outstanding java profiler, support open source projects of all kinds with their full featured Java and .NET application profilers. We thank them for granting Paper an OSS license so that we can make our software the best it can be.
JetBrains, creators of the IntelliJ IDEA, supports Paper with one of their Open Source Licenses. IntelliJ IDEA is the recommended IDE for working with Paper, and most of the Paper team uses it.
All our sponsors!
