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我正在尝试JIRA 6.0.7从源代码构建

https://confluence.atlassian.com/jira064/building-jira-from-source-720411927.html

它有构建问题，JDK-8所以我不得不使用JDK-7. 一个工件下载最新的插件版本（尽管在 pom.xml 中定义了显式版本）并且由于类文件版本而失败。

这是输出mvn -X package：

[INFO] Scanning for projects...
[DEBUG] com.atlassian.maven.plugins:maven-jira-plugin:jar:4.1.5:
[DEBUG]    com.atlassian.maven.archetypes:jira-plugin-archetype:jar:4.1.5:runtime
[DEBUG]    com.atlassian.maven.plugins:maven-amps-plugin:jar:4.1.5:compile
...
[DEBUG]   Included: com.atlassian.maven.plugins:maven-amps-plugin:jar:4.1.5
...
[DEBUG] Resolving plugin version for com.atlassian.maven.plugins:maven-amps-plugin
[DEBUG] Could not find metadata com.atlassian.maven.plugins:maven-amps-plugin/maven-metadata.xml in local (C:\m2repo)
[DEBUG] Skipped remote update check for com.atlassian.maven.plugins:maven-amps-plugin/maven-metadata.xml, locally cached metadata up-to-date.
[DEBUG] Skipped remote update check for com.atlassian.maven.plugins:maven-amps-plugin/maven-metadata.xml, locally cached metadata up-to-date.
[DEBUG] Resolved plugin version for com.atlassian.maven.plugins:maven-amps-plugin to 6.2.6 from repository atlassian-proxy (https://m2proxy.atlassian.com/repository/public, releases+snapshots)
...
Caused by: java.lang.UnsupportedClassVersionError: com/atlassian/maven/plugins/amps/osgi/ValidateTestManifestMojo : Unsupported major.minor version 52.0

这是重现问题的简化pom：

<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

    <groupId>bar</groupId>
    <artifactId>foo</artifactId>
    <version>1.1.7</version>
    <packaging>atlassian-plugin</packaging>
    <name>foo</name>
    <description>foo</description>


<dependencies>
</dependencies>

    <repositories>
        <repository>
            <id>atlassian-proxy</id>
            <name>Atlassian Maven 2 Proxy</name>
            <url>https://m2proxy.atlassian.com/repository/public</url>
        </repository>
        <repository>
            <id>atlassian-contrib</id>
            <name>Atlassian Contrib Repository</name>
            <url>https://m2proxy.atlassian.com/contrib</url>
        </repository>
    </repositories>
    <pluginRepositories>
    <pluginRepository>
            <id>atlassian-proxy</id>
            <name>Atlassian Maven 2 Proxy</name>
            <url>https://m2proxy.atlassian.com/repository/public</url>
        </pluginRepository>
    </pluginRepositories>

    <build>
        <plugins>
            <plugin>
                <groupId>com.atlassian.maven.plugins</groupId>
                <artifactId>maven-jira-plugin</artifactId>
                <version>4.1.5</version>
                <extensions>true</extensions>
            </plugin>
        </plugins>
    </build>

</project>

笔记

maven-amps-plugin-4.1.5.jar专为 java 6 构建：

C:\>javap -v -classpath maven-amps-plugin-4.1.5.jar com.atlassian.maven.plugins.amps.osgi.ValidateTestManifestMojo | find "major version"
  major version: 50

笔记2

我很绝望，我现在正在调试maven代码。https://maven.apache.org/ref/3.3.1/xref/org/apache/maven/plugin/version/internal/DefaultPluginVersionResolver.html#L90

在回到resolveFromRepository()它之前尝试resolveFromProject()，但失败了，因为request.pom == null. 为什么？

project.getBuildPlugins()maven-amps-plugin以version == null. 为什么？

project.getBuildPlugins().get(0)
    artifactId  "maven-jira-plugin" (id=489)    
    version "4.1.5" (id=498)    

project.getBuildPlugins().get(5)
    artifactId  "maven-amps-plugin" (id=402)    
    version null

最初，Plugin在解析时创建了一个具有正确版本的对象com/atlassian/amps/standalone/4.1.5/standalone-4.1.5.pom，但随后在 中创建了另一个实例DefaultLifecyclePluginAnalyzer.parseLifecyclePhaseDefinitions()。我猜是因为<packaging>atlassian-plugin</packaging>

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1 回答 1

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似乎maven-amps-plugin4.1.5maven-jira-plugin是使用 JDK 8 构建的依赖项。我尝试尝试我可以获得的版本，希望是以前的版本。奇怪的是，Maven Central 有一个 2015 年的 5.0.18，所以我沉思了一下，结果发现 Oracle 驱动程序有问题，这没关系（因为 Oracle 驱动程序，如果我没记错的话，它没有存储在 Central 上）。你的本地存储库可能有它，这个片段可以帮助你。因此，即使它不太可能是您问题的正确解决方案，以防万一。

        <plugin>
            <groupId>com.atlassian.maven.plugins</groupId>
            <artifactId>maven-jira-plugin</artifactId>
            <version>4.1.5</version>
            <extensions>true</extensions>
            <dependencies>
                <dependency>
                    <groupId>com.atlassian.maven.plugins</groupId>
                    <artifactId>maven-amps-plugin</artifactId>
                    <version>5.0.18</version>
                </dependency>
            </dependencies>
        </plugin>
于 2016-07-28T17:15:06.370 回答