JS View Bar Chart White Screen / Could not initialize Chrome driver

[selay]

ı am using Windows 10 and Knime AP 4.2. I Don’t use any virus programs.
When I try to view JS bar chart, only white screen is showed even in the Knime Visualization Examples.

When I have below JavaScript View Preferences, I have ERROR ChromeWizardNodeView The interactive view cannot be opened for the following reason: Could not initialize Chrome driver. Check log for more details.

When I have below JavaScript View Preferences, I have WARN WizardNodeView Unable to retrieve value from view.

When I try to view JS bar chart, only white screen is showed even in the Knime Visualization Examples as below.

Error Log:

Driver info: driver.version: ChromeDriver
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:564)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:207)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:130)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:181)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:168)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:157)
at org.knime.ext.seleniumdrivers.multios.ChromeWizardNodeView.initDriver(ChromeWizardNodeView.java:341)
at org.knime.ext.seleniumdrivers.multios.ChromiumWizardNodeView.initDriver(ChromiumWizardNodeView.java:90)
at org.knime.ext.seleniumdrivers.multios.ChromeWizardNodeView$1.run(ChromeWizardNodeView.java:269)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: Unexpected char 0x131 at 24 in User-Agent value: selenium/unknown (java wındows)
at okhttp3.Headers$Builder.checkNameAndValue(Headers.java:338)
at okhttp3.Headers$Builder.add(Headers.java:288)
at okhttp3.Request$Builder.addHeader(Request.java:177)
at org.openqa.selenium.remote.internal.OkHttpClient.execute(OkHttpClient.java:85)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:101)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:73)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:136)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:543)
… 9 more
2020-08-08 22:11:19,053 : ERROR : Chrome view thread 1 : : ChromeWizardNodeView : : : The interactive view cannot be opened for the following reason: Could not initialize Chrome driver. Check log for more details.

The browser can be configured in Preferences -> KNIME -> JavaScript Views
org.knime.ext.seleniumdrivers.multios.SeleniumViewException: Could not initialize Chrome driver. Check log for more details.

The browser can be configured in Preferences -> KNIME -> JavaScript Views
at org.knime.ext.seleniumdrivers.multios.ChromeWizardNodeView.initDriver(ChromeWizardNodeView.java:370)
at org.knime.ext.seleniumdrivers.multios.ChromiumWizardNodeView.initDriver(ChromiumWizardNodeView.java:90)
at org.knime.ext.seleniumdrivers.multios.ChromeWizardNodeView$1.run(ChromeWizardNodeView.java:269)
at java.lang.Thread.run(Thread.java:748)

[selay]

Dear Knime Users,

Disabling virus scans, adding exclusions to Windows Defender and changing preferences in KNIME 4.2 did not help.

I have solved this problem by downloading old version of Knime Analytics Platform, 4.1.3.
**Also, after installation I have arranged preferences : Preferences >> KNIME >> JavaScript Views >> **
And I chose,
Internal SWT Browser : C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
Headless Chrome.

Thanks,
Cheers

[MichaelRespondek]

Hi @selay,

welcome to the KNIME community.

Thanks for the feedback. As of now we haven’t heard of this problem from other customers. Could it be a corrupt installation of 4.2 that broke the Javascript views?

If you want to examine this further you could download a KNIME Analytics Platform in a 4.2 version in the zip variant. This can be installed in parallel to any other already installed version.

Cheers,
Michael

[selay]

Hi @MichaelRespondek ,

I am glad that Iam using Knime, thank you for your sayings, however it did not help either.
I have just download the .zip file for Windows 64 -bit and run it. I am still getting below mentioned error with Bundled Chromium boxes selected.

And, I am still only viewing white JS screen without any graph when I select Internal SWT Browser >> C:\Program Files (x86)\Google\Chrome\Application\chrome.exe.

Lastly, in the 4.1.3. version I can view JS scatter plots but bar chart views partially. It views only one bar when my mouse is over that bar. When I try to generate image and then use image writer, I am getting this error again, “Chrome driver could not initialized”.