JVM info: Oracle Corporation - 1.8.0_51 - 25.51-b03
java.net.preferIPv4Stack=true
Current Time: 07/09/2023 16:12:14
Host: files.minecraftforge.net [51.79.83.165]
Host: maven.minecraftforge.net [51.79.83.165]
Host: libraries.minecraft.net [13.107.213.43, 13.107.246.43]
Host: launchermeta.mojang.com [13.107.213.43, 13.107.246.43]
Host: piston-meta.mojang.com [13.107.213.43, 13.107.246.43]
Host: authserver.mojang.com [54.192.95.78, 54.192.95.17, 54.192.95.102, 54.192.95.51]
Found java version 1.8.0_51
Added Lets Encrypt root certificates as additional trust
java.net.SocketTimeoutException: connect timed out
	at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
	at sun.net.NetworkClient.doConnect(Unknown Source)
	at sun.net.www.http.HttpClient.openServer(Unknown Source)
	at sun.net.www.http.HttpClient.openServer(Unknown Source)
	at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
	at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at java.net.HttpURLConnection.getResponseCode(Unknown Source)
	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
	at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:257)
	at net.minecraftforge.installer.DownloadUtils.downloadMirrors(DownloadUtils.java:323)
	at net.minecraftforge.installer.json.Install.getMirror(Install.java:117)
	at net.minecraftforge.installer.InstallerPanel.updateFilePath(InstallerPanel.java:369)
	at net.minecraftforge.installer.InstallerPanel.<init>(InstallerPanel.java:350)
	at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:188)
	at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:161)
Extracting json
Considering minecraft client jar
Failed to establish connection to https://launchermeta.mojang.com/mc/game/version_manifest.json
 Host: launchermeta.mojang.com [13.107.213.43, 13.107.246.43]
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at sun.security.ssl.Alerts.getSSLException(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
	at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
	at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
	at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
	at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
	at sun.security.ssl.Handshaker.processLoop(Unknown Source)
	at sun.security.ssl.Handshaker.process_record(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
	at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
	at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at java.net.HttpURLConnection.getResponseCode(Unknown Source)
	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
	at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:257)
	at net.minecraftforge.installer.DownloadUtils.downloadManifest(DownloadUtils.java:337)
	at net.minecraftforge.installer.json.Util.getVanillaVersion(Util.java:73)
	at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:89)
	at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:423)
	at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:189)
	at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:161)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
	at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
	at sun.security.validator.Validator.validate(Unknown Source)
	at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
	at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
	at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
	... 21 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
	at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
	at java.security.cert.CertPathBuilder.build(Unknown Source)
	... 27 more
Failed to download version manifest, can not find client jar URL.