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Spring Tools 3 Add-On for Spring Tools 4
Attention: This add-on pack provides additional components from the previous Spring Tools 3 generation to be installed into an Eclipse with Spring Tools 4 already installed. To avoid installation issues with overlapping features, this will NOT install everything from the previous Spring Tool Suite 3 into a plain Eclipse. If you want to purely install all the STS3 components into a plain Eclipse, please use the specific marketplace "Spring Tools 3 (Standalone Edition)" entry for that.
The Spring Tools 3 contain the previous generation Spring tooling for Eclipse, mostly focused on working with Spring apps configured using XML and providing validation support for various additional Spring projects, like Spring AOP, Spring Webflow, Spring Integration, etc. This can be installed as an add-on into the Spring Tools 4 for Eclipse as well as into a plain Eclipse installation, if you still have projects that are not migrated to Spring Boot and/or you would like to continue to use features of the previous Spring tooling generation that aren't yet been part of the all-new Spring Tools 4.
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Submitted by Pushparaj Kamaraj on Tue, 2020-08-04 07:27
Using Eclipse Market place I am tryin to install Spring tools 3 Add on for Spring tools 126.96.36.199.CI and getting the below error. please help.
Unable to read repository at
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Submitted by Martin Lippert on Fri, 2020-08-14 07:00
That migt be an issue with the certificate not being around in your local keystore. If you search on stackoverflow for the error message, there are plenty of suggestions - but they might be a bit cumbersome and tedious to get right.
As an alternative solution, you could try to install the STS3 components manually from the update site and switch to http instead of https, if the error persists.
Submitted by Nadeem Siddiqui on Tue, 2019-07-09 12:51
Please help me
I didn't noticed this question since a minute ago, apoligize for that. In case you are still having questions or issues, please feel free to raise an issue at https://github.com/spring-projects/sts4/issues/