selenium -rc ,didnt run sometimes

Question

it works fine in my machine if i try it in some other machine it opens below link and stops??.any one faced the problem?

http://localhost:3124/selenium-server/core/Blank.html?stcode is like

selenium = new DefaultSelenium("localhost", 3124, "*firefox", "https://");

Answer 1

java.lang.RuntimeException: Could not contact Selenium Server; have you started it on 'localhost:4444' ? Read more at http://seleniumhq.org/projects/remote-control/not-started.html Connection refused: connect at com.thoughtworks.selenium.DefaultSelenium.start(DefaultSelenium.java:97) at com.thoughtworks.selenium.SeleneseTestBase.setUp(SeleneseTestBase.java:119) at com.thoughtworks.selenium.SeleneseTestBase.setUp(SeleneseTestBase.java:100) at com.thoughtworks.selenium.SeleneseTestCase.setUp(SeleneseTestCase.java:78) at com.zoho.contacts.contact.CreateContact.setUp(CreateContact.java:21) at junit.framework.TestCase.runBare(TestCase.java:125) at com.thoughtworks.selenium.SeleneseTestCase.runBare(SeleneseTestCase.java:212) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:118) at junit.framework.TestSuite.runTest(TestSuite.java:208) at junit.framework.TestSuite.run(TestSuite.java:203) at junit.framework.TestSuite.runTest(TestSuite.java:208) at com.zoho.qa.server.servlet.SeleniumServlet.doPost(SeleniumServlet.java:103) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:394) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619)

EditContact Error Show Trace