org.openqa.selenium.NoSuchElementException: Unable to locate By.xpath: .//input[./@type = 'submit' or ./@type = 'reset' or ./@type = 'image' or ./@type = 'button'][((./@id = 'Build' or ./@name = 'Build' or contains(./@value, 'Build')) or contains(./@title, 'Build'))] | .//input[./@type = 'image'][contains(./@alt, 'Build')] | .//button[(((./@id = 'Build' or contains(./@value, 'Build')) or contains(normalize-space(.), 'Build')) or contains(./@title, 'Build'))] | .//input[./@type = 'image'][contains(./@alt, 'Build')] in http://172.17.0.1:55457/job/matrixJob/build?delay=0sec
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '2.53.0', revision: '35ae25b1534ae328c771e0856c93e187490ca824', time: '2016-03-15 10:43:46'
System info: host: 'ip-172-18-64-125', ip: '127.0.0.1', os.name: 'Linux', os.arch: 'amd64', os.version: '4.2.0-42-generic', java.version: '1.8.0_40'
Driver info: driver.version: unknown
	at org.openqa.selenium.support.ui.FluentWait.timeoutException(FluentWait.java:292)
	at org.jenkinsci.test.acceptance.junit.Wait.timeoutException(Wait.java:143)
	at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:261)
	at org.jenkinsci.test.acceptance.junit.Wait.until(Wait.java:74)
	at org.jenkinsci.test.acceptance.po.CapybaraPortingLayerImpl.find(CapybaraPortingLayerImpl.java:197)
	at org.jenkinsci.test.acceptance.po.CapybaraPortingLayerImpl.clickButton(CapybaraPortingLayerImpl.java:88)
	at org.jenkinsci.test.acceptance.po.Job.scheduleBuild(Job.java:289)
	at org.jenkinsci.test.acceptance.po.Job.scheduleBuild(Job.java:273)
	at 

   int i = 0;
            while (i < 100) {
                i = i + 1;
                try {
                    job.scheduleBuild().shouldSucceed();
                } catch (Exception e) {
                    System.out.print("error");
                }
            }