Defending against chromedriver that sometimes returns null value as t…

…he result of findElements operation. See #4555
SeleniumHQ · Aug 24, 2017 · 4a3ec2d · 4a3ec2d
1 parent 1940813
commit 4a3ec2d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/java/client/src/org/openqa/selenium/remote/RemoteWebDriver.java b/java/client/src/org/openqa/selenium/remote/RemoteWebDriver.java
@@ -69,6 +69,7 @@
 
 import java.net.URL;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.LinkedHashSet;
@@ -442,6 +443,9 @@ protected List<WebElement> findElements(String by, String using) {
     Response response = execute(DriverCommand.FIND_ELEMENTS,
         ImmutableMap.of("using", by, "value", using));
     Object value = response.getValue();
+    if (value == null) { // see https://github.com/SeleniumHQ/selenium/issues/4555
+      return Collections.emptyList();
+    }
     List<WebElement> allElements;
     try {
       allElements = (List<WebElement>) value;