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我正在尝试将多模块项目转换为 wildfly-swarm。但是我不知道如何正确设置它。

当我mvn wildfly-swarm:run从核心目录运行时,它会启动服务器并且错误提示它找不到我的持久性单元。persistence.xmlDBlayer模块中,所以它是有道理的。

我试图从根目录运行它,但它说插件群未定义。root所以我尝试在pom.xml 而不是core模块 pom.xml中定义插件,但-swarm.jar无法创建。

那我应该怎么设置呢?

这是我的根 pom.xml

<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>xxx</groupId>
    <artifactId>x</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <properties>
        <version.wildfly.swarm>1.0.0.Final</version.wildfly.swarm>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <failOnMissingWebXml>false</failOnMissingWebXml>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.wildfly.swarm</groupId>
                <artifactId>bom</artifactId>
                <version>${version.wildfly.swarm}</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <modules>
        <module>backgroundServices</module>
        <module>core</module>
        <module>DBLayer</module>
        <module>userArea</module>
    </modules>

    <dependencies>    
        <!-- Java EE 7 dependency -->
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
            <scope>provided</scope>
        </dependency>
        <!-- Wildfly Swarm Fractions -->
        <dependency>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>cdi</artifactId>
        </dependency>
        <dependency>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>jpa-mysql</artifactId>
        </dependency>
        <dependency>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>jsf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>keycloak</artifactId>
        </dependency>
        <dependency>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>logging</artifactId>
        </dependency>
    </dependencies>
</project>

然后我添加到core.xml:

<build>
    <plugins>
        <plugin>
            <groupId>org.wildfly.swarm</groupId>
            <artifactId>wildfly-swarm-plugin</artifactId>
            <version>${version.wildfly.swarm}</version>
            <executions>
                <execution>
                    <goals>
                        <goal>package</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

核心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">

    <parent>
        <groupId>xxx</groupId>
        <artifactId>x</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>

    <modelVersion>4.0.0</modelVersion>

    <artifactId>core</artifactId>

    <packaging>war</packaging>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
            </plugin>
                <plugin>
                    <groupId>org.wildfly.swarm</groupId>
                    <artifactId>wildfly-swarm-plugin</artifactId>
                    <version>${version.wildfly.swarm}</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>package</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
        </plugins>
    </build>


    <dependencies>
        <dependency>
            <groupId>xxx</groupId>
            <artifactId>DBLayer</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>xxx</groupId>
            <artifactId>backgroundServices</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
    </dependencies>
</project>

DBlayer 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">
    <parent>
        <groupId>xxx</groupId>
        <artifactId>x</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <packaging>jar</packaging>

    <artifactId>DBLayer</artifactId>
</project>

我没有指定任何主要方法。我在 DBLayer 下只有一个 persistence.xml:

DBLayer/src/main/resources/META-INF

所以我有点假设 swarm 会自动定义驱动程序和数据源。我的意思是,在wildfly full 中,您必须在standalone.xml 中定义驱动程序和数据源。在这里我什么也没做,所以也许这实际上是问题所在。然而,在他们的例子中,他们也没有这样做。https://github.com/wildfly-swarm/wildfly-swarm-examples/blob/master/jpa/jpa-war/src/main/resources/META-INF/persistence.xml

这是我的持久性单元:

<persistence version="2.1"
    xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">

    <persistence-unit name="my-pu" transaction-type="JTA">
        <jta-data-source>java:/walbangDbDS</jta-data-source>
        <exclude-unlisted-classes>false</exclude-unlisted-classes>
        <shared-cache-mode>DISABLE_SELECTIVE</shared-cache-mode>

        <properties>
            <!--<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>-->
            <!--<property name="javax.persistence.sql-load-script-source" value="sql_scripts/loading_script.sql"/>-->
            <property name="hibernate.enable_lazy_load_no_trans" value="true"/>
        </properties>
    </persistence-unit>
</persistence>
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1 回答 1

1

在多模块 Maven 项目中,请记住直接从根 POM 启动 Maven 命令。

首先,将wildfly-swarm-plugin声明保留在 WAR 模块中,将其放在其他任何地方都不合适,因为它适用于 WAR 项目。然后,您需要安装模块DBLayer,以便模块core(这是您的 WAR)可以看到它(因此可以看到它的persistence.xml)。最后,您需要确保使用命令行开关wildfly-swarm:run仅在 WAR 模块中调用目标。-pl

因此,从根 POM 调用命令:

mvn clean install && mvn -pl core wildfly-swarm:run

这将正确构建您的多模块项目并使用 Wildfly Swarm 插件运行 WAR。您可以在此 GitHub 存储库中找到此类设置的工作示例。

于 2016-07-03T18:20:00.860 回答