15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1344)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1035)
15.02 01:54:42 [Server] WARN at sun.security.ssl.Handshaker.process_record(Handshaker.java:849)
15.02 01:54:42 [Server] WARN at sun.security.ssl.Handshaker.processLoop(Handshaker.java:913)
15.02 01:54:42 [Server] WARN at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:278)
15.02 01:54:42 [Server] WARN at sun.security.ssl.ClientHandshaker.serverKeyExchange(ClientHandshaker.java:717)
15.02 01:54:42 [Server] WARN at sun.security.ssl.ECDHCrypt.<init>(ECDHCrypt.java:78)
15.02 01:54:42 [Server] WARN at java.security.KeyPairGenerator$Delegate.generateKeyPair(KeyPairGenerator.java:704)
15.02 01:54:42 [Server] WARN at sun.security.ec.ECKeyPairGenerator.generateKeyPair(ECKeyPairGenerator.java:146)
15.02 01:54:42 [Server] WARN Caused by: java.security.ProviderException: java.security.KeyException
15.02 01:54:42 [Server] WARN at java.lang.Thread.run(Thread.java:745)
15.02 01:54:42 [Server] WARN at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
15.02 01:54:42 [Server] WARN at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
15.02 01:54:42 [Server] WARN at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
15.02 01:54:42 [Server] WARN at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
15.02 01:54:42 [Server] WARN at com.worldcretornica.plotme_core.SqlManager$3.run(SqlManager.java:2225)
15.02 01:54:42 [Server] WARN at com.worldcretornica.plotme_core.utils.UUIDFetcher.getUUIDOf(UUIDFetcher.java:91)
15.02 01:54:42 [Server] WARN at com.worldcretornica.plotme_core.utils.UUIDFetcher.call(UUIDFetcher.java:111)
15.02 01:54:42 [Server] WARN at com.worldcretornica.plotme_core.utils.UUIDFetcher.writeBody(UUIDFetcher.java:40)
15.02 01:54:42 [Server] WARN at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)
15.02 01:54:42 [Server] WARN at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1093)
15.02 01:54:42 [Server] WARN at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
15.02 01:54:42 [Server] WARN at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1355)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1378)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1857)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1874)
15.02 01:54:42 [Server] WARN at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1916)
15.02 01:54:42 [Server] WARN at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
15.02 01:54:42 [Server] WARN javax.net.ssl.SSLException: java.security.ProviderException: java.security.KeyException

最近删除了MOD吗？

没有.。。。。。。。。。。。。。。。。。。。。。。。。