what is cannot find symbol this SimpleTimeLimiter create THREAD POOL

Question

Hi,

Through command line, I'm trying to compile a java program that simply opens a webpage.   This program runs successfully under eclipse.

package Package1;

import java.util.concurrent.TimeUnit;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;

public class TestTest
{
 
    public static void main(String args[])
    {    
        String baseUrl = "https://google.com";    
        String driverPath = "C:\\Eclipse\\Drivers\\Chromedriver.exe";
        WebDriver driver;
        
        System.setProperty("webdriver.chrome.driver", driverPath);
        driver = new ChromeDriver();
        driver.get(baseUrl);
        driver.manage().window().maximize();
        driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
    }    
}

I'm setting the path on command line and then running javac command.

C:\Eclipse\WorkSpace\Test1>set classpath=C:\Eclipse\lib\*;C:\Eclipse\Drivers\*;C:\Program Files\Java\jdk-14\*
C:\Eclipse\WorkSpace\Test1>javac -d bin C:\Eclipse\WorkSpace\Test1\src\Package1\TestTest.java

However when I run the program, I get the following error.  I can't find anything online that would explain what these errors are.

Thanks in advance!

C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):62: error: cannot find symbol
    this(SimpleTimeLimiter.create(THREAD_POOL));
                          ^
  symbol:   method create(ExecutorService)
  location: class SimpleTimeLimiter
C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):75: error: method callWithTimeout in interface TimeLimiter cannot be applied to given types;
      timeLimiter.callWithTimeout((Callable<Void>) () -> {
                 ^
  required: Callable<T>,long,TimeUnit,boolean
  found:    Callable<Void>,long,TimeUnit
  reason: cannot infer type-variable(s) T
    (actual and formal argument lists differ in length)
  where T is a type-variable:
    T extends Object declared in method <T>callWithTimeout(Callable<T>,long,TimeUnit,boolean)
C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):115: error: method callWithTimeout in interface TimeLimiter cannot be applied to given types;
      timeLimiter.callWithTimeout((Callable<Void>) () -> {
                 ^
  required: Callable<T>,long,TimeUnit,boolean
  found:    Callable<Void>,long,TimeUnit
  reason: cannot infer type-variable(s) T
    (actual and formal argument lists differ in length)
  where T is a type-variable:
    T extends Object declared in method <T>callWithTimeout(Callable<T>,long,TimeUnit,boolean)
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
3 errors

Comments

Hello, @Zaraaq,

Could you please mention what exact error you are facing while executing the code?

---

Hi Gitlka,

Thank you for a quick response.  See the error below.  Thanks

C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):62: error: cannot find symbol
    this(SimpleTimeLimiter.create(THREAD_POOL));
                          ^
  symbol:   method create(ExecutorService)
  location: class SimpleTimeLimiter
C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):75: error: method callWithTimeout in interface TimeLimiter cannot be applied to given types;
      timeLimiter.callWithTimeout((Callable<Void>) () -> {
                 ^
  required: Callable<T>,long,TimeUnit,boolean
  found:    Callable<Void>,long,TimeUnit
  reason: cannot infer type-variable(s) T
    (actual and formal argument lists differ in length)
  where T is a type-variable:
    T extends Object declared in method <T>callWithTimeout(Callable<T>,long,TimeUnit,boolean)
C:\Eclipse\lib\client-combined-3.141.59-sources.jar(/org/openqa/selenium/net/UrlChecker.java):115: error: method callWithTimeout in interface TimeLimiter cannot be applied to given types;
      timeLimiter.callWithTimeout((Callable<Void>) () -> {
                 ^
  required: Callable<T>,long,TimeUnit,boolean
  found:    Callable<Void>,long,TimeUnit
  reason: cannot infer type-variable(s) T
    (actual and formal argument lists differ in length)
  where T is a type-variable:
    T extends Object declared in method <T>callWithTimeout(Callable<T>,long,TimeUnit,boolean)
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
3 errors

---

Hi, @zaraaq,

You can follow this https://guava.dev/releases/23.0/api/docs/com/google/common/util/concurrent/SimpleTimeLimiter.html#create-java.util.concurrent.ExecutorService- 

As you have got multiple errors I hope this would help you.