如何在maven-jaxb2-plugin中指定JAXB版本？ [英] How to specify the JAXB version in maven-jaxb2-plugin?

问题描述

我需要使用最新版本jaxb：2.2.4-1，但maven或maven-jaxb2-plugin似乎从JDK中选择了一个。

I need to use the latest version jaxb: 2.2.4-1, but maven or maven-jaxb2-plugin seems to pick up the one from the JDK.

我尝试指定这样的版本：

I tried specifying the version like this:

<configuration>
    <specVersion>2.2</specVersion>
    ...
</configuration>

但是日志显示为：

[INFO] [jaxb2:generate {execution: common}]
[INFO] Started execution.
[INFO] JAXB API is loaded from the [jar:file:/opt/jdk1.6.0_24/jre/lib/rt.jar!].
[INFO] Detected JAXB API version [2.1].

我试图将依赖项添加到正确版本的javax.xml.bind：jaxb-api和com .sun.xml.bind：jaxb-impl，但没有帮助。

I tried to add dependencies to the correct versions of javax.xml.bind:jaxb-api and com.sun.xml.bind:jaxb-impl, but that didn't help.

<plugins>
    <plugin>
        <groupId>org.jvnet.jaxb2.maven2</groupId>
        <artifactId>maven-jaxb2-plugin</artifactId>
        <version>0.8.0</version>

        <dependencies>
            <dependency>
                <groupId>javax.xml.bind</groupId>
                <artifactId>jaxb-api</artifactId>
                <version>2.2.4</version>
            </dependency>

            <dependency>
                <groupId>com.sun.xml.bind</groupId>
                <artifactId>jaxb-impl</artifactId>
                <version>2.2.4-1</version>
            </dependency>
        </dependencies>

        <executions>
            <execution>
                <id>common</id>
                <goals>
                    <goal>generate</goal>
                </goals>
                <configuration>
                    <specVersion>2.2</specVersion>
                    ...
                </configuration>
            </execution>
        </executions>
    </plugin>
</plugins>

我也尝试过使用maven-jaxb22-plugin，但它也没有用。

I also tried using maven-jaxb22-plugin but it also didn't work.

推荐答案

以下代码改编自netbeans生成的默认webapp。它使用依赖插件将jar复制到临时文件夹，并将此文件夹指定为编译器的认可目录，以便它覆盖jdk中的实现。

The following code is adapted from the default webapp that netbeans generates. It uses the dependency plugin to copy the jars to a temporary folder and specifies this folder as the endorsed directory to the compiler so it overrides the implementation in the jdk.

<properties>
    <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
</properties>

...

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <compilerArguments>
                    <endorseddirs>${endorsed.dir}</endorseddirs>
                </compilerArguments>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <version>2.1</version>
            <executions>
                <execution>
                    <phase>validate</phase>
                    <goals>
                        <goal>copy</goal>
                    </goals>
                    <configuration>
                        <outputDirectory>${endorsed.dir}</outputDirectory>
                        <silent>true</silent>
                        <artifactItems>
                            <artifactItem>
                                <groupId>javax.xml.bind</groupId>
                                <artifactId>jaxb-api</artifactId>
                                <version>2.2.4</version>
                                <type>jar</type>
                            </artifactItem>
                            <artifactItem>
                                <groupId>com.sun.xml.bind</groupId>
                                <artifactId>jaxb-impl</artifactId>
                                <version>2.2.4-1</version>
                                <type>jar</type>
                            </artifactItem>
                        </artifactItems>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

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