Unable to open file '/var/lib/tomcat8/phantomjsdriver.log'
    
      phantomjs://platform/fs.js:79 in open
      phantomjs://platform/logger.js:95 in addLogFile
      phantomjs://platform/config.js:76 in apply
      phantomjs://platform/config.js:98 in init
    {"chats":0}
    Exception in thread "pool-1-thread-1" org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
    Build info: version: '3.3.1', revision: '5234b32', time: '2017-03-10 09:04:52 -0800'
    System info: host: 'vps429624', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '4.4.0-83-generic', java.version: '1.8.0_131'
    Driver info: driver.version: PhantomJSDriver
    	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:625)
    	at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:244)
    	at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
    	at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:144)
    	at org.openqa.selenium.phantomjs.PhantomJSDriver.<init>(PhantomJSDriver.java:116)
    	at org.openqa.selenium.phantomjs.PhantomJSDriver.<init>(PhantomJSDriver.java:105)
    	at org.openqa.selenium.phantomjs.PhantomJSDriver.<init>(PhantomJSDriver.java:95)
    	at com.online.utils.Screenshot.run(Screenshot.java:32)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    	at java.lang.Thread.run(Thread.java:748)
    Caused by: java.lang.IllegalStateException: The process has not exited yet therefore no result is available ...
    	at org.apache.commons.exec.DefaultExecuteResultHandler.getException(DefaultExecuteResultHandler.java:76)
    	at org.openqa.selenium.os.UnixProcess.checkForError(UnixProcess.java:174)
    	at org.openqa.selenium.os.CommandLine.checkForError(CommandLine.java:183)
    	at org.openqa.selenium.remote.service.DriverService.waitUntilAvailable(DriverService.java:179)
    	at org.openqa.selenium.remote.service.DriverService.start(DriverService.java:168)
    	at org.openqa.selenium.phantomjs.PhantomJSCommandExecutor.execute(PhantomJSCommandExecutor.java:78)
    	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:604)
    	... 10 more

System.setProperty("phantomjs.binary.path", PATH);
    
    ExecutorService executor = Executors.newSingleThreadExecutor();
    executor.execute(new Screenshot(URL, FILE));

    public class Screenshot extends Thread {
    
        private String URL;
        private File OUTPUT;
    
        public Screenshot(String url, File output) {
            this.URL = url;
            this.OUTPUT = output;
        }
    
        @Override
        public void run() {
            try {
                WebDriver driver = new PhantomJSDriver();
                driver.manage().window().setSize(Online.SCREEN_SIZE);
                driver.get(this.URL);
                //FileUtils.copyFile(((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE), new File(IMAGE + SEPARATOR + IMAGE_NAME));
                FileUtils.copyFile(((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE), this.OUTPUT);
                driver.quit();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    
    }