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error in running web driver

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error in running web driver

Post by harishbansal90 on Mon Apr 18, 2011 8:02 pm

hi

when i run my project on selenium web driver then it show this error:_____



Unexpected error. {"message":"java.lang.NullPointerException","localizedMessage":"java.lang.NullPointerException","cause":{"class":"java.lang.NullPointerException","stackTrace":[{"fileName":"DriverFactory.java","class":"java.lang.StackTraceElement","lineNumber":43,"className":"org.openqa.selenium.remote.server.DriverFactory","methodName":"getBestMatchFor","nativeMethod":false},{"fileName":"DriverFactory.java","class":"java.lang.StackTraceElement","lineNumber":76,"className":"org.openqa.selenium.remote.server.DriverFactory","methodName":"newInstance","nativeMethod":false},{"fileName":"Session.java","class":"java.lang.StackTraceElement","lineNumber":48,"className":"org.openqa.selenium.remote.server.Session$1","methodName":"call","nativeMethod":false},{"fileName":"Session.java","class":"java.lang.StackTraceElement","lineNumber":46,"className":"org.openqa.selenium.remote.server.Session$1","methodName":"call","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.FutureTask$Sync","methodName":"innerRun","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.FutureTask","methodName":"run","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.ThreadPoolExecutor$Worker","methodName":"runTask","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.ThreadPoolExecutor$Worker","methodName":"run","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.lang.Thread","methodName":"run","nativeMethod":false}]},"class":"java.util.concurrent.ExecutionException","stackTrace":[{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.FutureTask$Sync","methodName":"innerGet","nativeMethod":false},{"class":"java.lang.StackTraceElement","lineNumber":-1,"className":"java.util.concurrent.FutureTask","methodName":"get","nativeMethod":false},{"fileName":"Session.java","class":"java.lang.StackTraceElement","lineNumber":68,"className":"org.openqa.selenium.remote.server.Session","methodName":"execute","nativeMethod":false},{"fileName":"Session.java","class":"java.lang.StackTraceElement","lineNumber":54,"className":"org.openqa.selenium.remote.server.Session","methodName":"","nativeMethod":false},{"fileName":"DriverSessions.java","class":"java.lang.StackTraceElement","lineNumber":76,"className":"org.openqa.selenium.remote.server.DriverSessions","methodName":"newSession","nativeMethod":false},{"fileName":"NewSession.java","class":"java.lang.StackTraceElement","lineNumber":46,"className":"org.openqa.selenium.remote.server.handler.NewSession","methodName":"handle","nativeMethod":false},{"fileName":"ResultConfig.java","class":"java.lang.StackTraceElement","lineNumber":144,"className":"org.openqa.selenium.remote.server.rest.ResultConfig","methodName":"handle","nativeMethod":false},{"fileName":"DriverServlet.java","class":"java.lang.StackTraceElement","lineNumber":271,"className":"org.openqa.selenium.remote.server.DriverServlet","methodName":"handleRequest","nativeMethod":false},{"fileName":"DriverServlet.java","class":"java.lang.StackTraceElement","lineNumber":256,"className":"org.openqa.selenium.remote.server.DriverServlet","methodName":"doPost","nativeMethod":false},{"fileName":"HttpServlet.java","class":"java.lang.StackTraceElement","lineNumber":727,"className":"javax.servlet.http.HttpServlet","methodName":"service","nativeMethod":false},{"fileName":"HttpServlet.java","class":"java.lang.StackTraceElement","lineNumber":820,"className":"javax.servlet.http.HttpServlet","methodName":"service","nativeMethod":false},{"fileName":"ServletHolder.java","class":"java.lang.StackTraceElement","lineNumber":428,"className":"org.openqa.jetty.jetty.servlet.ServletHolder","methodName":"handle","nativeMethod":false},{"fileName":"ServletHandler.java","class":"java.lang.StackTraceElement","lineNumber":677,"className":"org.openqa.jetty.jetty.servlet.ServletHandler","methodName":"dispatch","nativeMethod":false},{"fileName":"ServletHandler.java","class":"java.lang.StackTraceElement","lineNumber":568,"className":"org.openqa.jetty.jetty.servlet.ServletHandler","methodName":"handle","nativeMethod":false},{"fileName":"HttpContext.java","class":"java.lang.StackTraceElement","lineNumber":1530,"className":"org.openqa.jetty.http.HttpContext","methodName":"handle","nativeMethod":false},{"fileName":"HttpContext.java","class":"java.lang.StackTraceElement","lineNumber":1482,"className":"org.openqa.jetty.http.HttpContext","methodName":"handle","nativeMethod":false},{"fileName":"HttpServer.java","class":"java.lang.StackTraceElement","lineNumber":909,"className":"org.openqa.jetty.http.HttpServer","methodName":"service","nativeMethod":false},{"fileName":"HttpConnection.java","class":"java.lang.StackTraceElement","lineNumber":820,"className":"org.openqa.jetty.http.HttpConnection","methodName":"service","nativeMethod":false},{"fileName":"HttpConnection.java","class":"java.lang.StackTraceElement","lineNumber":986,"className":"org.openqa.jetty.http.HttpConnection","methodName":"handleNext","nativeMethod":false},{"fileName":"HttpConnection.java","class":"java.lang.StackTraceElement","lineNumber":837,"className":"org.openqa.jetty.http.HttpConnection","methodName":"handle","nativeMethod":false},{"fileName":"SocketListener.java","class":"java.lang.StackTraceElement","lineNumber":245,"className":"org.openqa.jetty.http.SocketListener","methodName":"handleConnection","nativeMethod":false},{"fileName":"ThreadedServer.java","class":"java.lang.StackTraceElement","lineNumber":357,"className":"org.openqa.jetty.util.ThreadedServer","methodName":"handle","nativeMethod":false},{"fileName":"ThreadPool.java","class":"java.lang.StackTraceElement","lineNumber":534,"className":"org.openqa.jetty.util.ThreadPool$PoolThread","methodName":"run","nativeMethod":false}]}







how can i solved it?
thank you Sad

harishbansal90

Posts : 4
Join date : 2011-04-12

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