JVM info: Oracle Corporation - 1.8.0_271 - 25.271-b09
java.net.preferIPv4Stack=true
Found java version 1.8.0_271
Extracting json
Considering minecraft client jar
Downloading libraries
Considering library net.minecraftforge:forge:1.16.3-34.1.25
  Extracting library from /maven/net/minecraftforge/forge/1.16.3-34.1.25/forge-1.16.3-34.1.25.jar
    Extraction completed: Checksum validated.
Considering library org.ow2.asm:asm:7.2
  Downloading library from https://files.minecraftforge.net/maven/org/ow2/asm/asm/7.2/asm-7.2.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$Service.getImplClass(Provider.java:1728)
	at java.security.Provider$Service.newInstance(Provider.java:1686)
	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:134)
	at net.minecraftforge.installer.DownloadUtils.downloadLibrary(DownloadUtils.java:123)
	at net.minecraftforge.installer.actions.Action.downloadLibraries(Action.java:79)
	at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:108)
	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)
	... 33 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)
	... 33 more