java - Selenium error "Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms" when running on jenkins master node -

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so after compile selenium code , run file.class im getting following error 

org.openqa.selenium.firefox.notconnectedexception: unable connect host 127.0.0.1 on port 7055 after 45000 ms. firefox console output: error: no display specified      @ org.openqa.selenium.firefox.internal.newprofileextensionconnection.start(newprofileextensionconnection.java:112)     @ org.openqa.selenium.firefox.firefoxdriver.startclient(firefoxdriver.java:271)     @ org.openqa.selenium.remote.remotewebdriver.<init>(remotewebdriver.java:119)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:218)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:211)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:207)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:120)     @ clusterreloadaut.<clinit>(clusterreloadaut.java:11) exception in thread "main" java.lang.exceptionininitializererror caused by: org.openqa.selenium.webdriverexception: failed connect binary firefoxbinary(/bin/firefox) on port 7055; process output follows:  error: no display specified  build info: version: '2.53.0', revision: '35ae25b', time: '2016-03-15 16:57:40' system info: host: 'bijenkins-ngwb.svl.ibm.com', ip: '9.30.4.102', os.name: 'linux', os.arch: 'amd64', os.version: '3.10.0-327.10.1.el7.x86_64', java.version: '1.8.0_92' driver info: driver.version: firefoxdriver     @ org.openqa.selenium.firefox.internal.newprofileextensionconnection.start(newprofileextensionconnection.java:124)     @ org.openqa.selenium.firefox.firefoxdriver.startclient(firefoxdriver.java:271)     @ org.openqa.selenium.remote.remotewebdriver.<init>(remotewebdriver.java:119)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:218)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:211)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:207)     @ org.openqa.selenium.firefox.firefoxdriver.<init>(firefoxdriver.java:120)     @ clusterreloadaut.<clinit>(clusterreloadaut.java:11) caused by: org.openqa.selenium.firefox.notconnectedexception: unable connect host 127.0.0.1 on port 7055 after 45000 ms. firefox console output: error: no display specified      @ org.openqa.selenium.firefox.internal.newprofileextensionconnection.start(newprofileextensionconnection.java:112)     ... 7 more build step 'execute shell' marked build failure finished: failure

im running code on jenkins master using following commands

javac -cp selenium-java-2.53.0.jar:selenium-java-2.53.0-srcs.jar:selenium-server-standalone-2.53.0.jar myfile.java  echo $username  echo $password  echo $clusternum  echo $ipadd  java -cp .:selenium-java-2.53.0.jar:selenium-java-2.53.0-srcs.jar:selenium-server-standalone-2.53.0.jar myfile $username $password $clusternum $ipadd

please let me know if more details needed

use code block, initiate firefox driver

system.setproperty("webdriver.gecko.driver", "c:\\your_directory\\geckodriver.exe"); desiredcapabilities capabilities=desiredcapabilities.firefox(); capabilities.setcapability("marionette", true); webdriver driver = new firefoxdriver(capabilities); driver.get("http://www.google.com");  driver.quit();

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