exceptions

test.pl

#! /usr/bin/perl

use strict;
use warnings;
use feature qw/say/;
use Selenium::Remote::Driver;

my $d = Selenium::Remote::Driver->new;
$d->get('http://www.google.com');

# This doesn't crash anything: client is alive, browser is alive
$d->find_elements('missing', 'css');
# creates the following in the webdriver log: no exceptions

# 14:52:46.426 INFO - Executing: [find elements: By.selector: missing])
# 14:52:46.535 INFO - Done: [find elements: By.selector: missing]

# can still talk to our current session
say $d->get_title;

use Try::Tiny;
try {
    # this will crash only the client, not the browser/server.
    $d->find_elements('this is an invalid xpath expression', 'xpath');
    # webdriver log, this takes the eval/croak path

    # 14:52:46.547 INFO - Executing: [find elements: By.xpath: this is an invalid xpath expression])
    # 14:52:47.270 WARN - Exception thrown
    # org.openqa.selenium.InvalidSelectorException: The given selector this is an invalid xpath expression is either invalid or does not result in a WebElement. The following error occurred:
    # InvalidSelectorError: Unable to locate an element with the xpath expression this is an invalid xpath expression because of the following error:
    # SyntaxError: The expression is not a legal expression.
}
catch {
    say 'Browser is still alive, client is only alive because of try/catch';
    say $d->get_title;
};