Peer not authenticated while importing Gradle project in eclipse

问题:

While I am importing gradle project in eclipse, it is giving me this error.

FAILURE: Build failed with an exception.  * What went wrong: A problem occurred configuring root project 'test'. > Could not resolve all dependencies for configuration ':classpath'.    > Could not resolve de.richsource.gradle.plugins:gwt-gradle-plugin:0.3.      Required by:          :test:unspecified       > Could not GET 'https://github.com/steffenschaefer/gwt-gradle-plugin/raw/maven-repo/de/richsource/gradle/plugins/gwt-gradle-plugin/0.3/gwt-gradle-plugin-0.3.pom'.          > peer not authenticated  * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. 

I am using internet via proxy connection. If that is the issue, where to specify the proxy settings inside eclipse. In General-->Network connections, proxy settings are already there

Please help.

回答1:

If you get any other error like this:

 Could not GET 'https://some_server.com/some/path/some.pom'.      > peer not authenticated 

Then you need to import a certificate:

• open the 'https://some_server.com/some/path/some.pom' in your favorite browser
• export the cert using the Steps to export cert from a web site
• copy the cer into JDK_HOME/jre/lib/security folder
• open a shell and go to JDK_HOME/jre/lib/security folder
• then import the cer into java using the

keytool -import -alias <the short name of the server> -file <cert_file_name_you_exported.cer> -keystore cacerts -storepass changeit 

It will prompt you to import the certificate, type yes and press enter.

Then restart your eclipse and try building the project.

回答2:

ANSWER#2:Providing the correct fix after two Negative markings

Make this changes to the top-level build.gradle file.

// Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript {     repositories {         //jcenter()         jcenter {             url "http://jcenter.bintray.com/"  <=THIS IS THE LINE THAT MAKES THE DIFFERENCE         }     } }  allprojects {     repositories {         //jcenter()         jcenter {             url "http://jcenter.bintray.com/" <=THIS IS THE LINE THAT MAKES THE DIFFERENCE         }     } } 

ANSWER#1 (Although this is not accepted would like to keep this)

If you see "peer not authenticated errors , it does not necessarily mean that the application does not hold a valid certificate. It also could mean that connections are being reset by the firewall, load balancer, or web servers. Try (re)starting the application with the Administator privilege.

On Windows:

• Ensure you have administrator privileges.
• Right Click application icon -> Select "Run as Administrator"

On Linux:

• Ensure you have root access.
• type sudo "app execution script name"

回答3:

Change your repositories to the following in the build.gradle

repositories {     maven  {         url "http://repo1.maven.org/maven2"     } } 

回答4:

After importing the certificate as suggested in the above answer, edit your gradle.properties file and insert the following lines (having in mind your proxy settings):

HTTPS:

systemProp.https.proxyHost=www.somehost.org systemProp.https.proxyPort=8080 

HTTP:

systemProp.http.proxyHost=www.somehost.org systemProp.http.proxyPort=8080 

回答5:

Upgrading from java7 to java8 did the trick for me.

回答6:

I try to modify the repositories and import the cer to java, but both failed, then I upgrade my jdk version from 1.8.0_66 to 1.8.0_74, gradle build success.

回答7:

I'm using android studio 1.51 with Linux (Ubuntu 14.04 LTS) and got the same error message:

Error:A problem occurred configuring project ':app'. > Could not resolve all dependencies for configuration ':app:_debugCompile'.    > Could not resolve com.github.PhilJay:MPAndroidChart:v2.1.6.      Required by:          dbtraining-dbtrainingandroidapp-517de26197d8:app:unspecified       > Could not resolve com.github.PhilJay:MPAndroidChart:v2.1.6.          > Could not get resource 'https://jitpack.io/com/github/PhilJay/MPAndroidChart/v2.1.6/MPAndroidChart-v2.1.6.pom'.             > Could not GET 'https://jitpack.io/com/github/PhilJay/MPAndroidChart/v2.1.6/MPAndroidChart-v2.1.6.pom'.                > peer not authenticated 

I tried to move maven { url "https://jitpack.io" }, set it to http instead of https, activated the "accept non-trusted certificates automatically", added the ssl certificate manually ... but still no luck.

The solution was to switch from OpenJDK 7 to Oracle JDK 8:

1. Downloaded the files for the JDK from Oracle, I took the tarball
   (jdk-8u101-linux-x64.tar.gz) - http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2. Extract the files. The folder name is jdk1.8.0_101
3. Now switch to the directory /opt/ (nautilus hotkey: CTRL+L) and create a new folder "Oracle_Java". Maybe this requires root access, so open nautilus from the terimal with sudo nautilus
4. Copy the folder jdk1.8.0_101 to /opt/Oracle_Java Follow the instructions from https://wiki.ubuntuusers.de/Java/Installation/Oracle_Java/Java_8/#Java-8-JDK: Do not forget to replace the version placeholder in the path with your version

sudo update-alternatives --install "/usr/bin/java" "java" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/java" 1 sudo update-alternatives --install "/usr/bin/javac" "javac" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/javac" 1 sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/javaws" 1 sudo update-alternatives --install "/usr/bin/jar" "jar" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/jar" 1   sudo update-alternatives --set "java" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/java" sudo update-alternatives --set "javac" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/javac" sudo update-alternatives --set "javaws" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/javaws" sudo update-alternatives --set "jar" "/opt/Oracle_Java/jdk1.8.0_VERSION/bin/jar" 

5. You can check in the terminal with the command java -version if your installation was successful.
6. Now to back to android studio and open the project structure window by pressing the hotkey CTRL+SHIFT+ALT+S and go to SDK Location. Here you can set the path to JDK, for example /opt/Oracle_Java/jdk1.8.0_101

That's it! :)

回答8:

I had this error and it was happening because of a VPN proxy issue. I disabled my VPN client and everything worked fine after. I used this command (on a Mac):

sudo /opt/cisco/anyconnect/bin/acwebsecagent -disablesvc -websecurity

回答9:

Upgrading to the latest version of gradle fixed this for me.

1. update distributionUrl in gradle-wrapper.properties to use the latest version.
2. update gradleVersion in build.gradle to match that version.

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