我通过 java 8 oracle 运行时运行 minecraft.jar，这是启动器给我的：
Bootstrap (v5)
Current time is May 2, 2018 12:13:19 PM
System.getProperty('os.name') == 'Linux'
System.getProperty('os.version') == '4.15.0-20-generic'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.8.0_171'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '64'
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Exception: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Unable to download remote file. Check your internet connection/proxy settings.
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to download while being forced
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:95)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)
...
Please fix the error and restart.
我应该如何进行？