Hacktoberfest 2026:メンテナが10月に向けて印を付けた、オープンで初心者向けの issue。 Hacktoberfest の issue を見る

org.openqa.selenium.WebDriverException: Returned value cannot be converted to List<String>: {stacktrace=NoSuchDriverError: A session is either terminated or not started

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メンテナーはふだん 1 日以内に返信

まだ誰も着手していません。

評価

難易度
4/5
見積もり時間
3〜5日
初心者へのやさしさ
20/100
issue の種類
バグ
明瞭さ
説明が足りない
活発さ
停滞
技術スタック
android, java
領域
mobile, testing

調査の方向性

まず init_driver エントリポイントを通じて失敗を再現し、提供された Appium ログの POST /session レスポンスを調査してください。Java capabilities と報告された W3C セッションエラーを比較してください。完了には、原因が確認され、ブラウザーセッションが正常に起動することが必要です。

索引モデルが issue の本文から書いたものです。

説明

bug
Do I have the most recent component updates?
  • I use the most recent available driver/plugin and server versions
Is the component officially supported by the Appium team?
  • I have verified the component repository is present under the Appium organization in GitHub
Is there an existing issue for this?
  • I have searched the existing issues
Current Behavior

i am getting below error when i am below code

org.openqa.selenium.WebDriverException: Returned value cannot be converted to List: {stacktrace=NoSuchDriverError: A session is either terminated or not started

	<dependency>
	    <groupId>io.appium</groupId>
	    <artifactId>java-client</artifactId>
	    <version>9.0.0</version>
	</dependency>

[email protected]

Expected Behavior

browser should launch

Minimal Reproducible Example

public static RemoteWebDriver driver;
public static AndroidDriver androidDriver;
public Properties props;
public ChromeOptions chrOpts = new ChromeOptions();

public static RemoteWebDriver init_driver(String runType, String broswerType, String Url) throws MalformedURLException, InterruptedException
{
try {
switch(runType)
{
case "mobile":
UiAutomator2Options options = new UiAutomator2Options();
options.setDeviceName("Galaxy Note10 Lite");
options.setUdid("RF8N81RNYLH");
options.setPlatformVersion("10");
options.setAutomationName(AutomationName.ANDROID_UIAUTOMATOR2);//Optional
options.setPlatformName("Android");//Optional
options.setCapability("browserName", broswerType);
options.setCapability("browserVersion", "119");
options.setCapability("appium:noReset", true);
options.setNewCommandTimeout(Duration.ofSeconds(30));

			options.setNoReset(true);
			androidDriver=new AndroidDriver(new URL("http://127.0.0.1:4723"), options);
			androidDriver.get(Url);
			
			System.out.println(androidDriver.getContextHandles());
			androidDriver.findElement(By.id("details-button")).click();
			androidDriver.findElement(By.id("proceed-link")).click();
			Thread.sleep(1500);
			
			androidDriver.get("http://localhost:8123");
			androidDriver.manage().timeouts().implicitlyWait(Duration.ofSeconds(30));
			driver = androidDriver;
			break;
Environment
  • Operating system:
  • Appium server version (output of appium --version):
  • Appium driver(s) and their version(s):
  • Appium plugin(s) and their version(s):
  • Node.js version (output of node --version):
  • npm version (output of npm --version):
  • Last component(s) version which did not exhibit the problem:
  • Platform and version under test:
  • Real device or emulator/simulator:
Link to Appium Logs

TTP] {"desiredCapabilities":{"appium:noReset":true,"appium:udid":"RF8N81RNYLH","appium:newCommandTimeout":30,"browserVersion":"119","browserName":"chrome","appium:deviceName":"Galaxy Note10 Lite","platformName":"Android","appium:automationName":"UIAutomator2","appium:platformVersion":"10"}}
[AppiumDriver@52ce] Calling AppiumDriver.createSession() with args: [{"appium:noReset":true,"appium:udid":"RF8N81RNYLH","appium:newCommandTimeout":30,"browserVersion":"119","browserName":"chrome","appium:deviceName":"Galaxy Note10 Lite","platformName":"Android","appium:automationName":"UIAutomator2","appium:platformVersion":"10"},null,null]
[AppiumDriver@52ce] Event 'newSessionRequested' logged at 1698834879654 (16:04:39 GMT+0530 (India Standard Time))
[AppiumDriver@52ce] Encountered internal error running command: SessionNotCreatedError: A new session could not be created. Details: Session capabilities format must comply to the W3C standard. Make sure your client is up to date. See https://www.w3.org/TR/webdriver/#new-session for more details.
[AppiumDriver@52ce] at makeNonW3cCapsError (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\lib\utils.js:31:10)
[AppiumDriver@52ce] at AppiumDriver.createSession (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\lib\appium.js:260:32)
[AppiumDriver@52ce] at commandExecutor (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules@appium\base-driver\lib\basedriver\driver.ts:107:18)
[AppiumDriver@52ce] at AppiumDriver.executeCommand (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules@appium\base-driver\lib\basedriver\driver.ts:124:15)
[AppiumDriver@52ce] at processTicksAndRejections (node:internal/process/task_queues:95:5)
[AppiumDriver@52ce] at defaultBehavior (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\lib\appium.js:718:16)
[AppiumDriver@52ce] at AppiumDriver.executeWrappedCommand (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\lib\appium.js:828:16)
[AppiumDriver@52ce] at AppiumDriver.executeCommand (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\lib\appium.js:734:17)
[AppiumDriver@52ce] at asyncHandler (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules@appium\base-driver\lib\protocol\protocol.js:393:19)
[HTTP] <-- POST /session 500 57 ms - 1720
[HTTP]
[HTTP] --> POST /session/null/url
[HTTP] {"url":"https://10.17.108.155:8132"}
[AppiumDriver@52ce] Encountered internal error running command: NoSuchDriverError: A session is either terminated or not started
[AppiumDriver@52ce] at asyncHandler (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules@appium\base-driver\lib\protocol\protocol.js:315:15)
[AppiumDriver@52ce] at C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules@appium\base-driver\lib\protocol\protocol.js:518:15
[AppiumDriver@52ce] at Layer.handle [as handle_request] (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\layer.js:95:5)
[AppiumDriver@52ce] at next (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\route.js:144:13)
[AppiumDriver@52ce] at Route.dispatch (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\route.js:114:3)
[AppiumDriver@52ce] at Layer.handle [as handle_request] (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\layer.js:95:5)
[AppiumDriver@52ce] at C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:284:15
[AppiumDriver@52ce] at param (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:365:14)
[AppiumDriver@52ce] at param (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:376:14)
[AppiumDriver@52ce] at Function.process_params (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:421:3)
[AppiumDriver@52ce] at next (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:280:10)
[AppiumDriver@52ce] at logger (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\morgan\index.js:144:5)
[AppiumDriver@52ce] at Layer.handle [as handle_request] (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\layer.js:95:5)
[AppiumDriver@52ce] at trim_prefix (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:328:13)
[AppiumDriver@52ce] at C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:286:9
[AppiumDriver@52ce] at Function.process_params (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:346:12)
[AppiumDriver@52ce] at next (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\express\lib\router\index.js:280:10)
[AppiumDriver@52ce] at C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\body-parser\lib\read.js:137:5
[AppiumDriver@52ce] at AsyncResource.runInAsyncScope (node:async_hooks:203:9)
[AppiumDriver@52ce] at invokeCallback (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\raw-body\index.js:238:16)
[AppiumDriver@52ce] at done (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\raw-body\index.js:227:7)
[AppiumDriver@52ce] at IncomingMessage.onEnd (C:\Users\lakshmanans\AppData\Roaming\npm\node_modules\appium\node_modules\raw-body\index.js:287:7)
[AppiumDriver@52ce] at IncomingMessage.emit (node:events:514:28)
[AppiumDriver@52ce] at endReadableNT (node:internal/streams/readable:1359:12)
[AppiumDriver@52ce] at processTicksAndRejections (node:internal/process/task_queues:82:21)
[HTTP] <-- POST /session/null/url 404 29 ms - 3404

Further Information

No response

主要言語
Java
スター
1.3k
フォーク
755
平均マージ
5日 14時間
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環境構築

  • Dockerfile・Docker Compose ファイルなし
  • プルリクエストのテンプレートあり
  • コントリビューションガイドなし

はじめの一歩

  1. issue を最後まで読み、次にプロジェクトのコントリビューションガイドを読みます。
  2. 着手することを issue にコメントします — 二人が同じ作業をするのを防げます。
  3. リポジトリをフォークし、ブランチを切って変更します。
  4. issue 番号を参照したプルリクエストを送ります。

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