java.lang.NoClassDefFoundError：org / apache / http / auth / Credentials

时间：2015-12-22 23:04:56

标签： java maven pom.xml

几个小时我已经在尝试获取一些需要执行Web请求（带凭据）的代码，但由于某些原因我不断收到错误：

23:50:47,107 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC000001: Failed to start service jboss.deployment.unit."teletekst-core.jar".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.unit."teletekst-core.jar".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of deployment "teletekst-core.jar"
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:163)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.RuntimeException: WFLYSRV0177: Error getting reflective information for class nl.wos.teletekst.ejb.PublicTransportModule with ClassLoader ModuleClassLoader for Module "deployment.teletekst-core.jar:main" from Service Module Loader
at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:70)
at org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation(MethodAnnotationAggregator.java:57)
at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations(InterceptorAnnotationProcessor.java:107)
at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:92)
at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:77)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:156)
... 5 more

Caused by: java.lang.NoClassDefFoundError: org/apache/http/auth/Credentials
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
at java.lang.Class.getDeclaredFields(Class.java:1916)
at org.jboss.as.server.deployment.reflect.ClassReflectionIndex.<init>(ClassReflectionIndex.java:57)
at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:66)
... 10 more

Caused by: java.lang.ClassNotFoundException: org.apache.http.auth.Credentials from [Module "deployment.teletekst-core.jar:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:205)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:455)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:404)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:385)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:130)
... 15 more

我真的不明白什么是错的，因为在我的pom.xml中我确实有httpclient和httpcore（org.apache.httpcomponents）的依赖

<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.1</version>
</dependency>
<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpcore</artifactId>
    <version>4.4.3</version>
</dependency>

以下是出错的文件的源代码：

package nl.wos.teletekst.ejb;

import org.apache.http.auth.*;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.util.EntityUtils;

import javax.ejb.*;
import javax.inject.Inject;
import java.util.List;

@Singleton
public class PublicTransportModule {

    @Inject private TrainStationDao trainStationDao;

    @Schedule(second="*", minute="*/10",hour="*", persistent=false)
    public void doTeletextUpdate() {
        List<TrainStation> trainStations = trainStationDao.findAll();

        for(TrainStation station : trainStations) {
            System.out.println(getTrainDeparturesForTrainstation(station.getTrainStation()));
        }
    }

    /***
      * @param stationIdentifier The code (abbreviation) or short, medium or full name or synonym for the trainstation name.
      * @return
      */
    private String getTrainDeparturesForTrainstation(String stationIdentifier)
    {
        try {
            BasicCredentialsProvider credentials = new BasicCredentialsProvider();
            credentials.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(
                "username*****",
                "password*****"));

            String url = "http://webservices.ns.nl/ns-api-avt?station=" + stationIdentifier;
            return EntityUtils.toString(Web.doWebRequest(url, credentials), "UTF-8");

        } catch (Exception e) {
            e.printStackTrace();
            return "";
        }
    }
}

我正在使用Intellij，在我的.iml中我有以下两行：

<orderEntry type="library" name="Maven: org.apache.httpcomponents:httpclient:4.5.1" level="project" />
<orderEntry type="library" name="Maven: org.apache.httpcomponents:httpcore:4.4.3" level="project" />

有谁知道什么可能是错的？我几乎整晚都在这个问题上度过，这可能是一件简单的事情，我只是缺席了。

1 个答案:

答案 0 :(得分：0)

我可能会接近解决方案。下面是我到目前为止的pom.xml。我添加了两个构建插件。

<?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/xsd/maven-4.0.0.xsd">
<parent>
    <artifactId>root</artifactId>
    <groupId>nl.wos</groupId>
    <version>1.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>teletekst-core</artifactId>
<name>WOS Media : Teletekst-core</name>

<dependencies>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
        <version>5.0.5.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-validator</artifactId>
        <version>5.2.2.Final</version>
    </dependency>
    <dependency>
        <groupId>javax</groupId>
        <artifactId>javaee-api</artifactId>
        <version>7.0</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpcore</artifactId>
        <version>4.4.3</version>
    </dependency>
</dependencies>
<build>
    <finalName>teletekst-core</finalName>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <version>2.5.1</version>
            <executions>
                <execution>
                    <id>copy-dependencies</id>
                    <phase>package</phase>
                    <goals>
                        <goal>copy-dependencies</goal>
                    </goals>
                    <configuration>
                        <includeScope>runtime</includeScope>
                        <outputDirectory>${project.build.directory}/lib</outputDirectory>
                        <overWriteReleases>false</overWriteReleases>
                        <overWriteSnapshots>true</overWriteSnapshots>
                    </configuration>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <configuration>
                <archive>
                    <manifest>
                        <addClasspath>true</addClasspath>
                    </manifest>
                    <manifestEntries>
                        <Class-Path>lib/</Class-Path>
                    </manifestEntries>
                </archive>
            </configuration>
        </plugin>
    </plugins>
</build>

相关问题
最新问题