Java 在Maven测试(lwjgl)中获取本机JNI文件

Java 在Maven测试(lwjgl)中获取本机JNI文件,java,maven-2,java-native-interface,lwjgl,Java,Maven 2,Java Native Interface,Lwjgl,我正在用LWJGL和Maven创建一个程序,并且正在为图形代码编写单元测试。我的问题是让Maven将本机二进制文件放在类路径上,以便测试能够获取它。我无法通过错误: java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path 我已经将二进制文件解包到target/libs/native/,但是测试无法将它们提取出来 这是我的pom: <project xmlns="http://maven.apache.org/P

我正在用LWJGL和Maven创建一个程序,并且正在为图形代码编写单元测试。我的问题是让Maven将本机二进制文件放在类路径上,以便测试能够获取它。我无法通过错误:

java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path
我已经将二进制文件解包到target/libs/native/,但是测试无法将它们提取出来

这是我的pom:

 <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/xsd/maven-  4.0.0.xsd"
>
<modelVersion>4.0.0</modelVersion>

<groupId>com.ziroby.kata</groupId>
<artifactId>app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <lwjgl.version>2.6</lwjgl.version>
</properties>

<repositories>
    <repository>## Heading ##
        <id>lwjgl</id>
        <name>lwjgl</name>
        <url>http://adterrasperaspera.com/lwjgl</url>
    </repository>
</repositories>

<dependencies>
    <dependency>
        <groupId>org.hamcrest</groupId>
        <artifactId>hamcrest-library</artifactId>
        <version>1.2.1</version>
        <type>jar</type>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.jmock</groupId>
        <artifactId>jmock-junit4</artifactId>
        <version>2.5.1</version>
        <type>jar</type>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.8.2</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.lwjgl</groupId>
        <artifactId>lwjgl</artifactId>
        <version>${lwjgl.version}</version>
    </dependency>
    <dependency>
        <groupId>org.lwjgl</groupId>
        <artifactId>lwjgl-util</artifactId>
        <version>${lwjgl.version}</version>
    </dependency>
    <dependency>
        <groupId>org.lwjgl</groupId>
        <artifactId>lwjgl-native</artifactId>
        <version>2.6</version>
        <type>pom</type>
    </dependency>
</dependencies>
<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <configuration>
                <artifactItems>
                    <artifactItem>
                        <groupId>org.lwjgl</groupId>
                        <artifactId>lwjgl-native</artifactId>
                        <version>${lwjgl.version}</version>
                        <type>jar</type>
                        <outputDirectory>${project.build.directory}/libs/natives</outputDirectory>
                        <overWrite>true</overWrite>
                    </artifactItem>
                </artifactItems>
            </configuration>
            <executions>
                <execution>
                    <id>unpack</id>
                    <phase>generate-resources</phase>
                    <goals>
                        <goal>unpack</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>
    </plugins>
</build>
</project>

4.0.0
com.ziroby.kata
,但这似乎是在谈论资源,而不是JNI库(而且它不起作用)


相反的问题是:指定已经在类路径上的内容。

surefire配置是否包括设置java库路径

例如:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <configuration>
      <systemProperties>
        <property>
          <name>java.library.path</name>
          <value>target/lib/natives/</value>
        </property>
      </systemProperties>
    </configuration>
  </plugin>

org.apache.maven.plugins
maven surefire插件
java.library.path
目标/库/本地人/
根据

surefire插件启动VM,然后在将控制权传递给junit测试类之前修改系统属性。这对于VM来说太晚了,它需要在初始化VM时设置java.library.path

因此,我们需要在启动时提供通往Surefire的路径。以下方面发挥了作用:

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <configuration>
                <forkMode>once</forkMode>
                <argLine>-Djava.library.path=${project.build.directory}/libs/natives/win32:${project.build.directory}/libs/natives/linux:${project.build.directory}/libs/natives/macosx:${project.build.directory}/libs/natives/solaris</argLine>
            </configuration>
        </plugin>

org.apache.maven.plugins
maven surefire插件
一旦
-Djava.library.path=${project.build.directory}/libs/natives/win32:${project.build.directory}/libs/natives/linux:${project.build.directory}/libs/natives/macosx:${project.build.directory}/libs/natives/solaris
。。。
...
...
0.0.6
...
...
...
org.apache.maven.plugins
maven surefire插件
一旦
-Djava.library.path=target/natives
com.googlecode.mavenatives
maven nativedependencies插件
${natives.version}
本地人
产生资源
复制
...
...

正如我在回答中提到的,这实际上设置路径太晚了。但这个答案让我在谷歌搜索中找到了我的答案。所以我给你赏金。我在“”上方有一个红色标记,不受m2e支持。你是如何改变的?这样的
argLine
也适用于。
...
<project ...>
    ...
    <properties>
        ...
        <natives.version>0.0.6</natives.version>
    <properties>
    ...
    <build>
        ...
        <plugins>
            ...
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <forkMode>once</forkMode>
                    <argLine>-Djava.library.path=target/natives</argLine>
                </configuration>
            </plugin>
            <plugin>
                <groupId>com.googlecode.mavennatives</groupId>
                <artifactId>maven-nativedependencies-plugin</artifactId>
                <version>${natives.version}</version>
                <executions>
                    <execution>
                        <id>unpacknatives</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <!--suppress MavenModelInspection (this line is for IDEA)-->
                            <goal>copy</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
        ...
    </build>
    ...
</project>