我在maven项目中运行selenium测试。这个项目是GWT Web应用程序。在pom.xml中有GWT依赖项，hibernate依赖项。我在测试包中创建了一个新类来运行selenium测试用例。我也有在pom.xml中包含了selenium server-2.33.0依赖项，但得到以下异常： -
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.http.conn.scheme.Scheme.<init>(Ljava/lang/String;ILorg/apache/http/conn/scheme/SchemeSocketFactory;)V
at org.openqa.selenium.remote.internal.HttpClientFactory.getClientConnectionManager(HttpClientFactory.java:59)
at org.openqa.selenium.remote.internal.HttpClientFactory.<init>(HttpClientFactory.java:48)
at org.openqa.selenium.remote.HttpCommandExecutor.<init>(HttpCommandExecutor.java:100)
at org.openqa.selenium.remote.HttpCommandExecutor.<init>(HttpCommandExecutor.java:81)
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:81)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:244)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:110)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:188)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:183)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:179)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:92)
同时获取chrome驱动程序的异常。请指导我如何解决此问题。
我在pom.xml中使用以下依赖项： -
<?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/maven-v4_0_0.xsd">
<!-- POM file generated with GWT webAppCreator -->
<modelVersion>4.0.0</modelVersion>
<groupId>SeleniumDemo</groupId>
<artifactId>SeleniumDemo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>GWT Maven Archetype</name>
<properties>
<!-- Convenience property to set the GWT version -->
<gwtVersion>2.4.0</gwtVersion>
<!-- GWT needs at least java 1.5 -->
<webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>com.google.gwt</groupId>
<artifactId>gwt-servlet</artifactId>
<version>${gwtVersion}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.google.gwt</groupId>
<artifactId>gwt-user</artifactId>
<version>${gwtVersion}</version>
<scope>provided</scope>
</dependency>
<!-- <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId>
<version>4.7</version> <scope>test</scope> </dependency> -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.9</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.0.0.GA</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.0.0.GA</version>
<classifier>sources</classifier>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.1.7.Final</version>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>2.33.0</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.1.Final</version>
</dependency>
<dependency>
<groupId>aopalliance</groupId>
<artifactId>aopalliance</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>com.google.inject.extensions</groupId>
<artifactId>guice-servlet</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.18</version>
</dependency>
<dependency>
<groupId>com.google.guiceberry</groupId>
<artifactId>guiceberry</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava-gwt</artifactId>
<version>13.0</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>com.google.inject.extensions</groupId>
<artifactId>guice-assisted-inject</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>com.googlecode.mvp4g</groupId>
<artifactId>mvp4g</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>gwt-maps</groupId>
<artifactId>gwt-maps</artifactId>
<version>3.0.2b.gwt22</version>
</dependency>
<dependency>
<groupId>gwt-html5-geolocation</groupId>
<artifactId>gwt-html5-geolocation</artifactId>
<version>gwt-html5-geolocation</version>
</dependency>
<dependency>
<groupId>com.googlecode.gwtupload</groupId>
<artifactId>gwtupload</artifactId>
<version>0.6.4</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-spatial</artifactId>
<version>3.4.0</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-misc</artifactId>
<version>3.0.2</version>
</dependency>
<dependency>
<groupId>com.restfb</groupId>
<artifactId>restfb</artifactId>
<version>1.6.11</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20090211</version>
</dependency>
<dependency>
<groupId>gwt-servlet</groupId>
<artifactId>deps</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>com.carrotsearch</groupId>
<artifactId>junit-benchmarks</artifactId>
<version>0.4.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.3.170</version>
</dependency>
<!-- Hibernate c3p0 connection pool -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-c3p0</artifactId>
<version>4.1.7.Final</version>
</dependency>
<!-- Dependency for Encryption/Decryption -->
<dependency>
<groupId>com.googlecode.gwt.crypto</groupId>
<artifactId>gwt-crypto</artifactId>
<version>1.0.2</version>
</dependency>
<dependency>
<groupId>org.atmosphere</groupId>
<artifactId>atmosphere-gwt-server</artifactId>
<version>1.0.1</version>
</dependency>
<dependency>
<groupId>org.atmosphere</groupId>
<artifactId>atmosphere-gwt-client</artifactId>
<version>1.0.1</version>
</dependency>
<dependency>
<groupId>eu.infomas</groupId>
<artifactId>annotation-detector</artifactId>
<version>3.0.1</version>
</dependency>
<!-- Mail dependencies -->
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mailapi</artifactId>
<version>1.4.3</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
</dependencies>
</project>
运行mvn dependency：tree命令后，输出如下：
root@dhananjay:~# cd /root/helios/workspace/SeleniumDemo
root@dhananjay:~/helios/workspace/SeleniumDemo# mvn dependency:tree
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'dependency'.
[INFO] ------------------------------------------------------------------------
[INFO] Building GWT Maven Archetype
[INFO] task-segment: [dependency:tree]
[INFO] ------------------------------------------------------------------------
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[INFO] [dependency:tree {execution: default-cli}]
[INFO] SeleniumDemo:SeleniumDemo:war:0.0.1-SNAPSHOT
[INFO] +- com.google.gwt:gwt-servlet:jar:2.4.0:runtime
[INFO] +- com.google.gwt:gwt-user:jar:2.4.0:provided
[INFO] +- junit:junit:jar:4.9:test (scope not updated to compile)
[INFO] | \- org.hamcrest:hamcrest-core:jar:1.1:test
[INFO] +- javax.validation:validation-api:jar:1.0.0.GA:test
[INFO] +- javax.validation:validation-api:jar:sources:1.0.0.GA:test
[INFO] +- org.hibernate:hibernate-entitymanager:jar:4.1.7.Final:compile
[INFO] | +- org.jboss.logging:jboss-logging:jar:3.1.0.GA:compile
[INFO] | +- org.jboss.spec.javax.transaction:jboss-transaction-api_1.1_spec:jar:1.0.0.Final:compile
[INFO] | +- dom4j:dom4j:jar:1.6.1:compile
[INFO] | +- org.javassist:javassist:jar:3.15.0-GA:compile
[INFO] | +- org.hibernate:hibernate-core:jar:4.1.7.Final:compile
[INFO] | | \- antlr:antlr:jar:2.7.7:compile
[INFO] | \- org.hibernate.common:hibernate-commons-annotations:jar:4.0.1.Final:compile
[INFO] +- org.seleniumhq.selenium:selenium-java:jar:2.33.0:compile
[INFO] | +- org.seleniumhq.selenium:selenium-android-driver:jar:2.33.0:compile
[INFO] | | \- org.seleniumhq.selenium:selenium-remote-driver:jar:2.33.0:compile
[INFO] | | \- cglib:cglib-nodep:jar:2.1_3:compile
[INFO] | +- org.seleniumhq.selenium:selenium-chrome-driver:jar:2.33.0:compile
[INFO] | +- org.seleniumhq.selenium:selenium-htmlunit-driver:jar:2.33.0:compile
[INFO] | | +- net.sourceforge.htmlunit:htmlunit:jar:2.12:compile
[INFO] | | | +- xalan:xalan:jar:2.7.1:compile
[INFO] | | | | \- xalan:serializer:jar:2.7.1:compile
[INFO] | | | +- commons-collections:commons-collections:jar:3.2.1:compile
[INFO] | | | +- org.apache.commons:commons-lang3:jar:3.1:compile
[INFO] | | | +- org.apache.httpcomponents:httpmime:jar:4.2.3:compile
[INFO] | | | +- commons-codec:commons-codec:jar:1.7:compile
[INFO] | | | +- net.sourceforge.htmlunit:htmlunit-core-js:jar:2.12:compile
[INFO] | | | +- xerces:xercesImpl:jar:2.10.0:compile
[INFO] | | | | \- xml-apis:xml-apis:jar:1.4.01:compile
[INFO] | | | +- net.sourceforge.nekohtml:nekohtml:jar:1.9.18:compile
[INFO] | | | +- net.sourceforge.cssparser:cssparser:jar:0.9.9:compile
[INFO] | | | | \- org.w3c.css:sac:jar:1.3:compile
[INFO] | | | +- commons-logging:commons-logging:jar:1.1.1:compile
[INFO] | | | \- org.eclipse.jetty:jetty-websocket:jar:8.1.9.v20130131:compile
[INFO] | | | +- org.eclipse.jetty:jetty-util:jar:8.1.9.v20130131:compile
[INFO] | | | +- org.eclipse.jetty:jetty-io:jar:8.1.9.v20130131:compile
[INFO] | | | \- org.eclipse.jetty:jetty-http:jar:8.1.9.v20130131:compile
[INFO] | | \- org.apache.httpcomponents:httpclient:jar:4.2.1:compile
[INFO] | | \- org.apache.httpcomponents:httpcore:jar:4.2.1:compile
[INFO] | +- org.seleniumhq.selenium:selenium-firefox-driver:jar:2.33.0:compile
[INFO] | | \- org.apache.commons:commons-exec:jar:1.1:compile
[INFO] | +- org.seleniumhq.selenium:selenium-ie-driver:jar:2.33.0:compile
[INFO] | | +- net.java.dev.jna:jna:jar:3.4.0:compile
[INFO] | | \- net.java.dev.jna:platform:jar:3.4.0:compile
[INFO] | +- org.seleniumhq.selenium:selenium-iphone-driver:jar:2.33.0:compile
[INFO] | +- org.seleniumhq.selenium:selenium-safari-driver:jar:2.33.0:compile
[INFO] | +- org.seleniumhq.selenium:selenium-support:jar:2.33.0:compile
[INFO] | | \- org.seleniumhq.selenium:selenium-api:jar:2.33.0:compile
[INFO] | \- org.webbitserver:webbit:jar:0.4.14:compile
[INFO] | \- io.netty:netty:jar:3.5.2.Final:compile
[INFO] +- org.hibernate.javax.persistence:hibernate-jpa-2.0-api:jar:1.0.1.Final:compile
[INFO] +- aopalliance:aopalliance:jar:1.0:compile
[INFO] +- com.google.inject.extensions:guice-servlet:jar:3.0:compile
[INFO] | \- com.google.inject:guice:jar:3.0:compile
[INFO] | \- javax.inject:javax.inject:jar:1:compile
[INFO] +- mysql:mysql-connector-java:jar:5.1.18:compile
[INFO] +- com.google.guiceberry:guiceberry:jar:3.1.0:compile
[INFO] | \- com.google.guava:guava-testlib:jar:10.0:compile
[INFO] +- com.google.guava:guava-gwt:jar:13.0:compile
[INFO] | \- com.google.guava:guava:jar:13.0:compile
[INFO] +- commons-fileupload:commons-fileupload:jar:1.2.2:compile
[INFO] +- commons-io:commons-io:jar:2.4:compile
[INFO] +- com.google.inject.extensions:guice-assisted-inject:jar:2.0:compile
[INFO] +- com.googlecode.mvp4g:mvp4g:jar:1.4.0:compile
[INFO] | \- com.google.gwt.inject:gin:jar:1.5.0:compile
[INFO] | \- com.google.inject.extensions:guice-assistedinject:jar:3.0-rc2:compile
[INFO] +- gwt-maps:gwt-maps:jar:3.0.2b.gwt22:compile
[INFO] +- gwt-html5-geolocation:gwt-html5-geolocation:jar:gwt-html5-geolocation:compile
[INFO] +- com.googlecode.gwtupload:gwtupload:jar:0.6.4:compile
[INFO] +- org.apache.lucene:lucene-spatial:jar:3.4.0:compile
[INFO] | +- org.apache.lucene:lucene-core:jar:3.4.0:compile
[INFO] | \- org.apache.lucene:lucene-queries:jar:3.4.0:compile
[INFO] | \- jakarta-regexp:jakarta-regexp:jar:1.4:compile
[INFO] +- org.apache.lucene:lucene-misc:jar:3.0.2:compile
[INFO] +- com.restfb:restfb:jar:1.6.11:compile
[INFO] +- org.json:json:jar:20090211:compile
[INFO] +- gwt-servlet:deps:jar:1.0.0:compile
[INFO] +- com.carrotsearch:junit-benchmarks:jar:0.4.0:test
[INFO] +- com.h2database:h2:jar:1.3.170:compile
[INFO] +- org.hibernate:hibernate-c3p0:jar:4.1.7.Final:compile
[INFO] | \- c3p0:c3p0:jar:0.9.1:compile
[INFO] +- com.googlecode.gwt.crypto:gwt-crypto:jar:1.0.2:compile
[INFO] +- org.atmosphere:atmosphere-gwt-server:jar:1.0.1:compile
[INFO] | +- org.atmosphere:atmosphere-gwt-common:jar:1.0.1:compile
[INFO] | \- org.atmosphere:atmosphere-runtime:jar:1.0.1:compile
[INFO] | +- org.atmosphere:atmosphere-compat-jbossweb:jar:1.0.1:compile
[INFO] | +- org.atmosphere:atmosphere-compat-tomcat:jar:1.0.1:compile
[INFO] | \- org.atmosphere:atmosphere-compat-tomcat7:jar:1.0.1:compile
[INFO] +- org.atmosphere:atmosphere-gwt-client:jar:1.0.1:compile
[INFO] | \- org.slf4j:slf4j-api:jar:1.6.1:compile
[INFO] +- eu.infomas:annotation-detector:jar:3.0.1:compile
[INFO] +- javax.mail:mailapi:jar:1.4.3:compile
[INFO] +- javax.mail:mail:jar:1.4:compile
[INFO] \- javax.activation:activation:jar:1.1.1:compile
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
答案 0 :(得分：3)
NoSuchMethodError表示运行时可用的类与用于编译代码的类不同。
它通常归结为类路径上具有相同类的多个版本。仔细检查相关课程，并删除不需要的版本。
<强> [编辑] 将其添加到您的pom.xml以控制httpclient的版本：
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>[4.2.1]</version>
</dependency>
</dependencies>
</dependencyManagement>
答案 1 :(得分：1)
在我的情况下，问题是我的IDE中的java构建路径中的顺序。最后，selenium库正在构建，我解决了它，将它们放在列表的顶部。
我希望它有所帮助。
此致