Taco verification succeeds but unable to use the connector in Desktop about connector-plugin-sdk HOT 5 CLOSED

jarsigner -verify is not enough, it will verify tacos that are not properly signed. You'll need to run the following command to full validate your taco:
jarsigner -verify -verbose -certs -strict test.taco

The -strict flag is the important one. The error you see about the PKIX path building failed will need to be addressed before the taco will load, that is an issue with the certificate and not the Connector SDK.

More detail on signing process can be found here: https://tableau.github.io/connector-plugin-sdk/docs/package-sign

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Hi @pvanderknyff
I was able to get it verified with all the switches and command below:
jarsigner -verify -verbose -certs -strict test.taco

Still it doesnt work in Tableau Desktop 2023.1.5.
Checking logs for more clues now.

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Yeah, the error you posted shows that something is wrong with the certificate. The strict flag makes sure that it won't be labeled as "verified", without the strict flag jarsigner just checks if the file is signed, not that the signature is valid. The taco will not load until jarsigner with the strict flag shows jar verified and no errors/warnings.

You may need to update your JDK, some warnings are now considered errors in later versions.

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@pvanderknyff
I was able to fix the error that I was getting when I submitted this issue.
Also as per your suggestion I installed the latest jdk 22 to sign the jar.
Now the only warning I get is "This jar contains signatures that do not include a timestamp"
Attached screenshot for refernce.

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Hi @pvanderknyff
Would you like me to open another issue or help me reopen this since the issue is not fixed yet?
On the side I have raised a ticket with Tableau Support and provided Desktop logs.

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