[10:18:21 WARN]: Error occured during retriving version
java.lang.Throwable
        at kcauldron.KLog.log(KLog.java:30) [KLog.class:1.7.10-R0.1-SNAPSHOT]
        at kcauldron.KLog.warning(KLog.java:41) [KLog.class:1.7.10-R0.1-SNAPSHOT]
        at kcauldron.updater.KVersionRetriever.uncaughtException(KVersionRetriever.java:114) [KVersionRetriever.class:1.7.10-R0.1-SNAPSHOT]
        at kcauldron.updater.KVersionRetriever.check(KVersionRetriever.java:108) [KVersionRetriever.class:1.7.10-R0.1-SNAPSHOT]
        at kcauldron.updater.KVersionRetriever.run(KVersionRetriever.java:69) [KVersionRetriever.class:1.7.10-R0.1-SNAPSHOT]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.net.UnknownHostException: api.prok.pw
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) ~[?:1.8.0_191]
        at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929) ~[?:1.8.0_191]
        at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324) ~[?:1.8.0_191]
        at java.net.InetAddress.getAllByName0(InetAddress.java:1277) ~[?:1.8.0_191]
        at java.net.InetAddress.getAllByName(InetAddress.java:1193) ~[?:1.8.0_191]
        at java.net.InetAddress.getAllByName(InetAddress.java:1127) ~[?:1.8.0_191]
        at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45) ~[SystemDefaultDnsResolver.class:4.4.1]
        at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:111) ~[DefaultHttpClientConnectionOperator.class:4.4.1]
        at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353) ~[PoolingHttpClientConnectionManager.class:4.4.1]
        at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380) ~[MainClientExec.class:4.4.1]
        at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) ~[MainClientExec.class:4.4.1]
        at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184) ~[ProtocolExec.class:4.4.1]
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) ~[RetryExec.class:4.4.1]
        at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) ~[RedirectExec.class:4.4.1]
        at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) ~[InternalHttpClient.class:4.4.1]
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) ~[CloseableHttpClient.class:4.4.1]
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) ~[CloseableHttpClient.class:4.4.1]
        at kcauldron.updater.KVersionRetriever.check(KVersionRetriever.java:92) ~[KVersionRetriever.class:1.7.10-R0.1-SNAPSHOT]
        ... 2 more

大概是kc端的版本更新

kcauldron.yml中 把check_updata设为false

无关紧要kcauldron尝试获取最新版本，不过被墙了

谢谢，大佬我想追问个问题
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)
Caused by: java.lang.ClassCastException: java.base/jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to java.base/java.net.URLClassLoader
        at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34)
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
        ... 6 more
这是什么意思

本帖最后由 Nitric_acid 于 2020-4-22 10:40 编辑

你把kcauldron.yml里设置如下

谢谢大佬们，问题解决，上面两个答案都对，
由于时间先后的原因，
给个第一个大佬最佳答案！