wex5_3.8打包报错，有人帮忙看下吗？Could not resolve com.android....

邹胖胖

一直都是好好的，突然就不行了，* What went wrong:
      A problem occurred configuring root project 'android'.
      > Could not resolve all dependencies for configuration ':_debugApkCopy'.
      BUILD FAILED
      
      Total time: 12.629 secs
      
         > Could not resolve com.android.support:exifinterface:25+.
           Required by:
               project :
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://repo1.maven.org/maven2/c ... maven-metadata.xml.
                     > Could not GET 'https://repo1.maven.org/maven2/com/android/support/exifinterface/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
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://jcenter.bintray.com/com/ ... maven-metadata.xml.
                     > Could not GET 'https://jcenter.bintray.com/com/android/support/exifinterface/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
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://dl.google.com/dl/android ... maven-metadata.xml.
                     > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/support/exifinterface/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
      
      * Try:
      Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
      Error: cmd: Command failed with exit code 1 Error output:
      FAILURE: Build failed with an exception.
      
      * What went wrong:
      A problem occurred configuring root project 'android'.
      > Could not resolve all dependencies for configuration ':_debugApkCopy'.
         > Could not resolve com.android.support:exifinterface:25+.
           Required by:
               project :
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://repo1.maven.org/maven2/c ... maven-metadata.xml.
                     > Could not GET 'https://repo1.maven.org/maven2/com/android/support/exifinterface/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
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://jcenter.bintray.com/com/ ... maven-metadata.xml.
                     > Could not GET 'https://jcenter.bintray.com/com/android/support/exifinterface/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
            > Could not resolve com.android.support:exifinterface:25+.
               > Failed to list versions for com.android.support:exifinterface.
                  > Unable to load Maven meta-data from https://dl.google.com/dl/android ... maven-metadata.xml.
                     > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/support/exifinterface/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
      
      * Try:
      Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.