PKIX path building failed, unable to find valid certification path to requested target

Can anyone adress the issue ?

The corresponding topic in German suggest to update your Java version. Do you use a corporate network/firewall?

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Yes I do use company network.

The problem can mean two things:

  • Either your Java is very old, or
  • Your company network does a „man in the middle“ (or the virus scanner)

The first one you can check by opening „About Portfolio Performance“ -> „Installation Details“ and look for „java.version“. What does it say?

If it is the second one, then it is harder. If it is the virus scanner, maybe you can tell the scanner not to do MiM.