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POException using selenium on server side
 

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    <p>I have a web application which asks user to input a URL. I then, using <a href="https://code.google.com/p/selenium/" rel="nofollow">Selenium 2.35.0</a>, grabbing the source code from the URL.</p> <p>I have created a <code>dynamic web project</code> with everything setup properly (all selenium jars included), but my application is throwing exception </p> <pre><code>Oct 18, 2013 2:49:48 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [DiffReportServlet] in context with path [/PBSkyScraper] threw exception [Servlet execution threw an exception] with root cause java.lang.ClassNotFoundException: org.openqa.selenium.WebDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559) at com.PB.automation.servlets.DiffReportServlet.doGet(DiffReportServlet.java:38) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:680) </code></pre> <p>This is what the workflow is : </p> <p>The user enters the URL and submits. A servlet is called which actually does the job of grabbing the source code. I am unable to understand the reason because the same works if i try it running as a java application and not on server.</p> <p>Here is the code</p> <pre><code> /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String webDir = request.getServletContext().getRealPath("/WebContent"); String url = request.getParameter("url"); ApplicationUtils.getHTMLSourceFromURL(url, "originalSource.html"); } public static void getHTMLSourceFromURL(String url, String originalFile) { WebDriver driver = new FirefoxDriver(); driver.get(url); try { Thread.sleep(5000); List&lt;String&gt; pageSource = new ArrayList&lt;String&gt;(Arrays.asList(driver.getPageSource().split("\n"))); writeTextToFile(pageSource, originalFile); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println("quitting webdriver"); driver.quit(); } </code></pre> <p>Can somebody explain the cause and provide some solution to this? I am using Tomcat as the server.</p>
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