Blockingproxy: TypeError: Cannot read property 'toString' of null about blocking-proxy HOT 5 CLOSED

The problem seems to be in BlockingProxy, which is available in Protractor 5.1.0 and higher.
Disabling BlockingProxy made things work for me.
I put this in my exports.config:

useBlockingProxy: false

and removed the webDriverLogDir setting.

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Similar problem reported here: angular/protractor#4448

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In the past month, I noticed that there have been new releases of:

• Chromedriver: 2.32 ( https://sites.google.com/a/chromium.org/chromedriver/downloads )
• Selenium Standalone Server: 3.5.3 ( http://www.seleniumhq.org/download/ )

I'm not sure, but maybe the Selenium Standalone Server is communicating errors
in a different way to the BlockingProxy, thus triggering this error.

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Thanks, sorry about this. Yes, the issue is protocol changes in selenium standalone server 3.5.x. I have a fix on the way, but it won't get picked up until the next Protractor release.

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@heathkit thanks

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