Pour la désinstallation j'avais supprimé le dossier .Minecraft au départ, rien a changé. J'ai ensuite réinstallé Java 7 mais toujours la même chose.
Concernant le lancement via cmd:
Lancement du launcher:
C:\Users\Daedra\AppData\Roaming\.minecraft\bin>java -Xmx1024M -Xms1024M -jar Min
ecraft.exe
asdf
java.io.FileNotFoundException: C:\Users\Daedra\AppData\Roaming\.minecraft\lastlo
gin (Le fichier spÚcifiÚ est introuvable)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at net.minecraft.LoginForm.readUsername(LoginForm.java:110)
at net.minecraft.LoginForm.<init>(LoginForm.java:55)
at net.minecraft.LauncherFrame.<init>(LauncherFrame.java:23)
at net.minecraft.LauncherFrame.main(LauncherFrame.java:167)
at net.minecraft.MinecraftLauncher.main(MinecraftLauncher.java:13)
Après l'identification:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException:
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExce
ption: 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.https.HttpsURLConnectionImpl.connect(Unknown Sou
rce)
at net.minecraft.Util.executePost(Util.java:114)
at net.minecraft.Util.executePost(Util.java:94)
at net.minecraft.LauncherFrame.login(LauncherFrame.java:96)
at net.minecraft.LoginForm$6.run(LoginForm.java:96)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException: unable to find vali
d 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 Sour
ce)
... 15 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to
find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown
Source)
at java.security.cert.CertPathBuilder.build(Unknown Source)
... 21 more
Merci
