# ADR-0002 - Avoid using Java serialization

## Status

- ACCEPTED on 2023-12-01

## Context

In Gradle we often need to serialize in-memory objects for caching, or to transmit them across process barriers, etc.
Java serialization is one way to implement this, however, despite its simplicity of implementation, it has several drawbacks:

- **Performance:**
Java's built-in serialization mechanism is often slower compared to other serialization solutions.

    public static final String MAVEN_USER_SETTINGS = "maven.user.settings";

    /**
     * Maven project settings.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${maven.project.conf}/settings.xml")
    public static final String MAVEN_PROJECT_SETTINGS = "maven.project.settings";

    /**
     * Maven installation extensions.
     *
     * @since 4.0.0
     */

import common.getBuildScanCustomValueParam
import common.gradleWrapper
import common.killProcessStep
import jetbrains.buildServer.configs.kotlin.BuildStep
import jetbrains.buildServer.configs.kotlin.Project
import jetbrains.buildServer.configs.kotlin.buildSteps.script
import model.CIBuildModel
import model.Stage
import model.StageName
import model.TestCoverage
import model.TestType

class FlakyTestQuarantineTrigger(

/*
 * Copyright 2016 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License, version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License

            String newStr = toXml(fromXml(xml));
            assertEquals(newStr, xml);
        }
    }

    @Test
    void testNamespaceInXmlNode() throws XMLStreamException {
        String xml = "<project xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
                + "         xmlns=\"http://maven.apache.org/POM/4.0.0\"\n"

"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

`SavedModel`, or equivalent on-disk format), the set of computation primitives
available to TensorFlow is powerful enough that you should assume that the
TensorFlow process effectively executes arbitrary code.

The risk of loading untrusted checkpoints depends on the code or graph that you
are working with. When loading untrusted checkpoints, the values of the traced

    participant Client

    App->>App: Produce Item 1
    App->>Client: Send Item 1
    App->>App: Produce Item 2
    Client->>Client: Process Item 1
    App->>Client: Send Item 2
    App->>App: Produce Item 3
    Client->>Client: Process Item 2
    App->>Client: Send Item 3
    Client->>Client: Process Item 3
    Note over App: Keeps producing...
    Note over Client: Keeps consuming...
```

它甚至可以是一个无限流，你可以一直持续发送数据。

  }
}

// Applying this stuff, particularly the idea-ext plugin, has a cost so avoid it unless we're running in the IDE
if (providers.systemProperty('idea.active').forUseAtConfigurationTime().getOrNull() == 'true') {
  project.apply(plugin: org.jetbrains.gradle.ext.IdeaExtPlugin)

  tasks.register('configureIdeaGradleJvm') {
    group = 'ide'
    description = 'Configures the appropriate JVM for Gradle'

    doLast {