i had a 1.9 mod that i was trying to update to 1.9.4 but when i setup the workspace for 1.9.4 i get this error

* What went wrong:
Could not resolve all dependencies for configuration ':forgeGradleUserDevPackage'.
> Could not resolve net.minecraftforge:forge:1.10.2-12.18.3.2185.
  Required by:
      com.yourname.modid:1.10.2:1.0
   > Could not resolve net.minecraftforge:forge:1.10.2-12.18.3.2185.
      > Could not get resource 'https://files.minecraftforge.net/maven/net/minecraftforge/forge/1.10.2-12.18.3.2185/forge-1.10.2-12.18.3.2185.pom'.
         > Could not GET 'https://files.minecraftforge.net/maven/net/minecraftforge/forge/1.10.2-12.18.3.2185/forge-1.10.2-12.18.3.2185.pom'.
            > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

any help?

1 hour ago, diesieben07 said:

Update to 1.14.4 or at least 1.12.2.

i tried setting up the workspace for 1.12.2 this what i got

* What went wrong:
A problem occurred configuring root project '1.12.2'.
> Could not resolve all dependencies for configuration ':classpath'.
   > Could not resolve net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT.
     Required by:
         :1.12.2:unspecified
      > Could not resolve net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT.
         > Unable to load Maven meta-data from https://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/2.3-SNAPSHOT/maven-metadata.xml.
            > Could not GET 'https://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/2.3-SNAPSHOT/maven-metadata.xml'.
               > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

 

1 hour ago, diesieben07 said:

Update to 1.14.4 or at least 1.12.2.

this also what i get when i try setting up 1.14.4

* What went wrong:
A problem occurred configuring root project '1.14.4'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not resolve net.minecraftforge.gradle:ForgeGradle:3.+.
     Required by:
         project :
      > Failed to list versions for net.minecraftforge.gradle:ForgeGradle.
         > Unable to load Maven meta-data from https://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/maven-metadata.xml.
            > Could not get resource 'https://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/maven-metadata.xml'.
               > Could not GET 'https://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/maven-metadata.xml'.
                  > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

 

31 minutes ago, diesieben07 said:

Use latest Java 8.

it worked thx