Here an example from the log when trying to an ajax spider scan.
2023-02-28 15:32:11,398 [ZAP-AjaxSpider] INFO SpiderThread - Running Crawljax (with firefox-headless):
http://dbserve..matraWebClient
2023-02-28 15:32:11,398 [ZAP-AjaxSpider] INFO SpiderThread - Starting proxy...
2023-02-28 15:32:11,398 [ZAP-AjaxSpider] INFO SpiderThread - Proxy started, listening at port [63162].
2023-02-28 15:32:11,413 [ZAP-AjaxSpider] INFO Plugins - Loaded org.zaproxy.zap.extension.spiderAjax.SpiderThread$DummyPlugin@34854067 as a OnBrowserCreatedPlugin
2023-02-28 15:32:14,178 [ZAP-IO-2-1] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,197 [ZAP-IO-2-2] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,281 [ZAP-IO-2-3] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,283 [ZAP-IO-2-4] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,476 [ZAP-IO-2-4] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,538 [ZAP-IO-2-8] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,634 [ZAP-IO-2-8] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:14,666 [ZAP-IO-2-4] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:44,753 [ZAP-IO-2-7] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:44,867 [ZAP-IO-2-2] WARN ServerExceptionHandler - Failed while establishing secure connection, cause: Received fatal alert: bad_certificate
2023-02-28 15:32:57,284 [ZAP-AjaxSpider] WARN SpiderThread - Failed to start browser firefox-headless
com.google.inject.ProvisionException: Unable to provision, see the following errors:
1) [Guice/ErrorInCustomProvider]: WebDriverException: Timed out waiting 45 seconds for Firefox to start.
Build info: version: 'unknown', revision: 'unknown', time: 'unknown'
System info: host: 'SURFACE-MARK', ip: '10.0.30.170',
os.name: 'Windows 11', os.arch: 'amd64', os.version: '10.0', java.version: '11.0.16.1'
Driver info: driver.version: FirefoxDriver
at ConfigurationModule.configure(ConfigurationModule.java:47)
\_ installed by: CoreModule -> ConfigurationModule
at CrawlerContext.<init>(CrawlerContext.java:33)
\_ for 1st parameter
at Crawler.<init>(Crawler.java:75)
\_ for 1st parameter
at CrawlTaskConsumer.<init>(CrawlTaskConsumer.java:30)
\_ for 3rd parameter
while locating CrawlTaskConsumer