OSX ChromeDriver

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MrBJU

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Apr 9, 2026, 11:02:28 AM (12 days ago) Apr 9
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Hey all!
I installed ZAP on OSX 26.4 but I can't make the AJAX Spider working with any browser. Are there any howto/instructions ? In particular am interested to Chrome
thanks

Simon Bennetts

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Apr 9, 2026, 12:42:53 PM (12 days ago) Apr 9
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Hiya,

You need to have the relevant browsers installed and up to date.
You also need to have updated ZAP, in particular the webdrivers.

If you've done that then give us some details :)

Cheers,

Simon

Jerrie Union

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Apr 9, 2026, 3:07:38 PM (12 days ago) Apr 9
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Sure, 
When am running the Ajax Spider, a new chrome instance pop up and dies suddenly before Zap returns this error message:
Failed to start Chrome browser.
Make sure that Chrome and ChromeDriver are available
....


Under Settings->Selenium:
Driver:  /Users/kali/Library/Application Support/ZAP/webdriver/macos/arm64/chromedriver
Binary: <empty>

I tried to specify in Binary:
open /Applications/Google\ Chrome.app
problem persists.

I can't get what's wrong to be honest ...


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Simon Bennetts

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Apr 10, 2026, 1:04:38 PM (11 days ago) Apr 10
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Jerrie Union

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Apr 12, 2026, 5:56:22 PM (9 days ago) Apr 12
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Thanks Simon, I did ... I get back this in the zap.log
System info: os.name: 'Mac OS X', os.arch: 'aarch64', os.version: '26.4', java.version: '17.0.17'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Command: [null, newSession {capabilities=[Capabilities {acceptInsecureCerts: true, browserName: chrome, goog:chromeOptions: {args: [--proxy-bypass-list=<-loopb..., --ignore-certificate-errors, --remote-debugging-pipe, --enable-unsafe-extension-d...], binary: /Applications/Google Chrome..., extensions: []}, proxy: Proxy(manual, http=127.0.0...., webSocketUrl: true}]}]
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:114)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:75)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:61)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:195)
at org.openqa.selenium.remote.service.DriverCommandExecutor.invokeExecute(DriverCommandExecutor.java:216)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:174)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:604)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:288)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:211)
at org.openqa.selenium.chromium.ChromiumDriver.<init>(ChromiumDriver.java:115)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:92)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:76)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:72)
at org.zaproxy.zap.extension.selenium.ExtensionSelenium.createWebDriver(ExtensionSelenium.java:1179)
at org.zaproxy.zap.extension.selenium.ExtensionSelenium.getWebDriver(ExtensionSelenium.java:930)
at org.zaproxy.zap.extension.selenium.ExtensionSelenium.getWebDriver(ExtensionSelenium.java:668)
at org.zaproxy.zap.extension.spiderAjax.SpiderThread$WebDriverProcess.<init>(SpiderThread.java:646)
at org.zaproxy.zap.extension.spiderAjax.SpiderThread$AjaxSpiderBrowserBuilder.get(SpiderThread.java:579)
at org.zaproxy.zap.extension.spiderAjax.SpiderThread$AjaxSpiderBrowserBuilder.get(SpiderThread.java:534)
at com.google.inject.util.Providers$GuicifiedJSR330Provider.get(Providers.java:165)
at com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:86)
at com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:57)
at com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:60)
at com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:47)
at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:40)
at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:60)
at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:113)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:91)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:300)
at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:40)
at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:60)
at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:113)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:91)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:300)
at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:40)
at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:60)
at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:113)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:91)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:300)
at com.google.inject.internal.InjectorImpl$1.get(InjectorImpl.java:1148)

Simon Bennetts

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Apr 15, 2026, 12:26:56 PM (6 days ago) Apr 15
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What version of chrome do you have installed?
and what version of the ZAP macOS WebDrivers add-on?

Cheers,

Simon
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