Arquillian：尝试多次注册同一个观察者，ServerSetupObserver

Question

我正在尝试使用 wildfly 配置 arquillian，但在运行测试过程中出现以下错误：

    java.lang.RuntimeException: Could not create new instance of class org.jboss.arquillian.test.impl.EventTestRunnerAdaptor
    at org.jboss.arquillian.test.spi.SecurityActions.newInstance(SecurityActions.java:165).......
Caused by: java.lang.reflect.InvocationTargetException: null
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    ...........
Caused by: java.lang.RuntimeException: Could not create new instance of class org.jboss.arquillian.core.impl.ManagerImpl
    at org.jboss.arquillian.core.spi.SecurityActions.newInstance(SecurityActions.java:165)
    at .................
Caused by: java.lang.reflect.InvocationTargetException: null
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at ...............
Caused by: java.lang.RuntimeException: Could not create and process manager
    at org.jboss.arquillian.core.impl.ManagerImpl.<init>(ManagerImpl.java:105)......
Caused by: java.lang.IllegalArgumentException: Attempted to register the same Observer: org.jboss.as.arquillian.container.ServerSetupObserver multiple times, please check classpath for conflicting jar versions
    at org.jboss.arquillian.core.impl.ManagerImpl.observer(ManagerImpl.java:354)
    at org.jboss.arquillian.core.impl.loadable.LoadableExtensionLoader.observer(LoadableExtensionLoader.java:101)
    at org.jboss.as.arquillian.container.CommonContainerExtension.register(CommonContainerExtension.java:41)
    at org.jboss.as.arquillian.container.remote.RemoteContainerExtension.register(RemoteContainerExtension.java:33)

pom.xml

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <!-- maven-compiler-plugin -->
        <maven.compiler.target>1.7</maven.compiler.target>
        <maven.compiler.source>1.7</maven.compiler.source>
        <!-- build details -->
        <timestamp>${maven.build.timestamp}</timestamp>
        <maven.build.timestamp.format>yyyy-MM-dd HH:mm:ss</maven.build.timestamp.format>
        <build_version>${project.version}</build_version>
        <build_number>00001</build_number>
        <!-- dependency version variables -->
        <struts2.version>2.3.24</struts2.version>
        <hibernate.version>4.3.9.Final</hibernate.version>
        <resteasy.version>3.0.11.Final</resteasy.version>
        <apache.common.version>3.3.2</apache.common.version>
        <junit-version>4.12</junit-version>
        <arquillian-version>1.1.8.Final</arquillian-version>
        <arquillian-transaction-version>1.0.1.Final</arquillian-transaction-version>
        <arquillian-wildfly-version>8.2.0.Final</arquillian-wildfly-version>
    </properties>
    <repositories>
        <repository>
            <id>JBoss Repository</id>
            <url>https://repository.jboss.org/nexus/content/groups/public/</url>
        </repository>
    </repositories>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.jboss.spec</groupId>
                <artifactId>jboss-javaee-7.0</artifactId>
                <version>1.0.0.Final</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!-- -JUNIT-->
            <dependency>
               <groupId>junit</groupId>
               <artifactId>junit</artifactId>
               <version>${junit-version}</version>
            </dependency>
            <!-- Arquillian itself-->
            <dependency>
                <groupId>org.jboss.arquillian</groupId>
                <artifactId>arquillian-bom</artifactId>
                <version>${arquillian-version}</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
            <!-- this is in an extention to arquillian it is optional-->
            <dependency>
                <groupId>org.jboss.arquillian.extension</groupId>
                <artifactId>arquillian-transaction-bom</artifactId>
                <version>${arquillian-transaction-version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!-- this is container adapter for wildfly-->
            <dependency>
               <groupId>org.wildfly</groupId>
               <artifactId>wildfly-arquillian-container-embedded</artifactId>
               <version>${arquillian-wildfly-version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <!-- Test dependencies -->
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.arquillian.junit</groupId>
            <artifactId>arquillian-junit-container</artifactId>
            <version>1.1.8.Final</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.wildfly</groupId>
            <artifactId>wildfly-arquillian-container-embedded</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.arquillian.extension</groupId>
            <artifactId>arquillian-transaction-jta</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.arquillian.protocol</groupId>
            <artifactId>arquillian-protocol-servlet</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.weld</groupId>
            <artifactId>weld-core</artifactId>
            <version>1.1.5.Final</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.6.4</version>
            <scope>test</scope>
        </dependency>

        <!-- struts 2 dependencies -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-core</artifactId>
            <version>${struts2.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-convention-plugin</artifactId>
            <version>${struts2.version}</version>
        </dependency>
        <dependency>
           <groupId>org.apache.struts</groupId>
           <artifactId>struts2-json-plugin</artifactId>
           <version>${struts2.version}</version>
        </dependency>

        <!-- Import the CDI API -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-cdi-plugin</artifactId>
            <version>${struts2.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.enterprise</groupId>
            <artifactId>cdi-api</artifactId>
            <version>1.2</version><!--$NO-MVN-MAN-VER$-->
        </dependency>

        <!-- Import the Common Annotations API (JSR-250) -->
        <dependency>
            <groupId>org.jboss.spec.javax.annotation</groupId>
            <artifactId>jboss-annotations-api_1.2_spec</artifactId>
        </dependency>

        <!-- Import the Servlet API -->
        <dependency>
            <groupId>org.jboss.spec.javax.servlet</groupId>
            <artifactId>jboss-servlet-api_3.1_spec</artifactId>
        </dependency>

        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>

        <!-- Jboss weld -->
        <dependency>
            <groupId>org.jboss.weld</groupId>
            <artifactId>weld-core</artifactId>
            <version>2.2.2.Final</version>
            <scope>provided</scope>
        </dependency>

    </dependencies>
    <build>
      <finalName>fms</finalName>
            <resources>
            <resource>
                <directory>src/main/resources</directory>
                <filtering>true</filtering>
            </resource>
        </resources>
        <testResources>
            <testResource>
                <directory>src/test/resources</directory>
                <filtering>true</filtering>
            </testResource>
        </testResources>
        <plugins>
            <plugin>
                <groupId>org.wildfly.plugins</groupId>
                <artifactId>wildfly-maven-plugin</artifactId>
                <version>1.0.0.Final</version>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugin</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.6</version>
            </plugin>
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.18.1</version>
            </plugin>
        </plugins>
    </build>
    <profiles>
        <profile>
            <!-- An optional Arquillian testing profile that executes tests in your 
                Wildfly instance -->
            <!-- This profile will start a new Wildfly instance, and execute the 
                test, shutting it down when done -->
            <!-- Run with: mvn clean test -Parq-wildfly-managed -->
            <id>arq-wildfly-managed</id>
            <dependencies>
                <dependency>
                  <groupId>org.wildfly.arquillian</groupId>
                  <artifactId>wildfly-arquillian-container-managed</artifactId>
                  <version>1.0.0.Alpha5</version>
                  <scope>test</scope>
                </dependency>
            </dependencies>
        </profile>
        <profile>
            <!-- An optional Arquillian testing profile that executes tests in a remote 
                Wildfly instance -->
            <!-- Run with: mvn clean test -Parq-wildfly-remote -->
            <id>arq-wildfly-remote</id>
            <dependencies>
                <dependency>
                  <groupId>org.wildfly.arquillian</groupId>
                  <artifactId>wildfly-arquillian-container-remote</artifactId>
                  <version>1.0.0.Alpha5</version>
                  <scope>test</scope>
                </dependency>
            </dependencies>
            <build>
                <testResources>
                    <testResource>
                        <directory>src/test/resources</directory>
                        <filtering>true</filtering>
                    </testResource>
                </testResources>
                <plugins>
                    <plugin>
                        <artifactId>maven-surefire-plugin</artifactId>
                        <version>2.18.1</version>
                    </plugin>
                </plugins>
            </build>
        </profile>
        <profile>
            <id>development</id>
            <properties>
                <env>development</env>
                <fms.restws.url>http://localhost:8080/fms/rs/json</fms.restws.url>
            </properties>
        </profile>
        <profile>
            <id>prod</id>
            <properties>
                <env>prod</env>
                <fms.restws.url>http://prodserver:8080/fms/rs/json</fms.restws.url>
            </properties>
        </profile>
    </profiles>

GreeterTest.java

@RunWith(Arquillian.class) public class GreeterTest {

@Inject
Greeter greeter;

@Deployment
public static Archive<?> createDeployment() {
    return ShrinkWrap.create(WebArchive.class, "fms-tes.war")
            .addClass(Greeter.class)
            .addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}

@Test
public void should_create_greeting() throws Exception {
    Assert.assertEquals("Hello, Earthling!",greeter.createGreeting("Earthling"));
    greeter.greet(System.out, "Earthling");
} }

Answer 1

移除 org.wildfly:wildfly-arquillian-container-embedded 的 dependencyManagement 和依赖定义。您还使用 org.wildfly.arquillian:xxxx 适配器设置了配置文件。它们在技术上非常相似，但适用于两个不同版本的 WildFly 服务器。基于相同的代码库，他们都尝试注册相同的观察者。

Arquillian：尝试多次注册同一个观察者，ServerSetupObserver

Arquillian: Attempted to register the same Observer, ServerSetupObserver multiple times

junit

ejb

cdi

wildfly-8

jboss-arquillian