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Hello! I am currently having an issue with downloading forge onto my macbook. Whenever I download it as I previously have, I receive "

Failed to download file.
Name: forge-1.12.2-14.23.5.2854.jar
Filename on disk: forge-1.12.2-14.23.5.2854.jar
Path: /Users/(insertmynamehere)/Library/Application Support/minecraft/libraries/net/minecraftforge/forge/1.12.2-14.23.5.2854/forge-1.12.2-14.23.5.2854.jar
Exists: Nonexistent

this error from minecraft. Whenever I open the installer log, I end up with JVM info: Oracle Corporation - 1.8.0_261 - 25.261-b12
java.net.preferIPv4Stack=true
Found java version 1.8.0_261
Extracting json
Considering minecraft client jar
  Downloading library from https://launcher.mojang.com/v1/objects/e3f78cd16f9eb9a52307ed96ebec64241cc5b32d/client.jar
Exception in thread "main" 
java.lang.ExceptionInInitializerError
    at javax.crypto.Cipher.getInstance(Cipher.java:518)
    at sun.security.ssl.JsseJce.getCipher(JsseJce.java:189)
    at sun.security.ssl.SSLCipher.isTransformationAvailable(SSLCipher.java:483)
    at sun.security.ssl.SSLCipher.<init>(SSLCipher.java:472)
    at sun.security.ssl.SSLCipher.<clinit>(SSLCipher.java:81)
    at sun.security.ssl.CipherSuite.<clinit>(CipherSuite.java:67)
    at sun.security.ssl.SSLContextImpl.getApplicableSupportedCipherSuites(SSLContextImpl.java:345)
    at sun.security.ssl.SSLContextImpl.access$100(SSLContextImpl.java:46)
    at sun.security.ssl.SSLContextImpl$AbstractTLSContext.<clinit>(SSLContextImpl.java:577)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at java.security.Provider$Service.getImplClass(Provider.java:1701)
    at java.security.Provider$Service.newInstance(Provider.java:1659)
    at sun.security.jca.GetInstance.getInstance(GetInstance.java:236)
    at sun.security.jca.GetInstance.getInstance(GetInstance.java:164)
    at javax.net.ssl.SSLContext.getInstance(SSLContext.java:156)
    at javax.net.ssl.SSLContext.getDefault(SSLContext.java:96)
    at javax.net.ssl.SSLSocketFactory.getDefault(SSLSocketFactory.java:122)
    at javax.net.ssl.HttpsURLConnection.getDefaultSSLSocketFactory(HttpsURLConnection.java:332)
    at javax.net.ssl.HttpsURLConnection.<init>(HttpsURLConnection.java:289)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.<init>(HttpsURLConnectionImpl.java:99)
    at sun.net.www.protocol.https.Handler.openConnection(Handler.java:62)
    at sun.net.www.protocol.https.Handler.openConnection(Handler.java:57)
    at java.net.URL.openConnection(URL.java:1001)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:197)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:144)
    at net.minecraftforge.installer.DownloadUtils.download(DownloadUtils.java:138)
    at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:99)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:428)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:170)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:143)
Caused by: java.lang.SecurityException: Can not initialize cryptographic mechanism
    at javax.crypto.JceSecurity.<clinit>(JceSecurity.java:93)
    ... 31 more
Caused by: java.lang.SecurityException: The jurisdiction policy files are not signed by the expected signer! (Policy files are specific per major JDK release.Ensure the correct version is installed.)
    at javax.crypto.JarVerifier.verifyPolicySigned(JarVerifier.java:336)
    at javax.crypto.JceSecurity.loadPolicies(JceSecurity.java:378)
    at javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecurity.java:323)
    at javax.crypto.JceSecurity.access$000(JceSecurity.java:50)
    at javax.crypto.JceSecurity$1.run(JceSecurity.java:85)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.crypto.JceSecurity.<clinit>(JceSecurity.java:82)
    ... 31 more"

 

 

I have no idea what any of this means, or how to fix the issue. If anyone could help, that would be great.

Posted

1.12 is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

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