[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.utils.MojangAPI.getUUID(MojangAPI.java:111)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.storage.SkinStorage.getOrCreateSkinForPlayer(SkinStorage.java:108)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.bukkit.SkinsRestorer$4.lambda$onLogin$0(SkinsRestorer.java:241)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.bukkit.SkinsRestorer$4$$Lambda$79/418960686.run(Unknown Source)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftTask.run(CraftTask.java:71)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[17:46:47] [Craft Scheduler Thread - 8/WARN]:         at java.lang.Thread.run(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/INFO]: [SkinsRestorer] We couldn't update the proxy list. This usually indicates a firewall problem. A detailed error is below.
[17:46:51] [Craft Scheduler Thread - 4/WARN]: java.net.SocketTimeoutException: connect timed out
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.PlainSocketImpl.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.SocksSocketImpl.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.net.Socket.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.NetworkClient.doConnect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.http.HttpClient.openServer(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.http.HttpClient.openServer(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.https.AbstractDeleg ... on.getNewHttpClient(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:48)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.ProxyManager.getList(ProxyManager.java:20)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.MojangAPI.readURLProxy(MojangAPI.java:167)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.MojangAPI.getUUIDProxy(MojangAPI.java:118)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.utils.MojangAPI.getUUID(MojangAPI.java:111)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.shared.storage.SkinStorage.getOrCreateSkinForPlayer(SkinStorage.java:108)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.bukkit.SkinsRestorer$4.lambda$onLogin$0(SkinsRestorer.java:241)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at skinsrestorer.bukkit.SkinsRestorer$4$$Lambda$79/418960686.run(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftTask.run(CraftTask.java:71)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[17:46:51] [Craft Scheduler Thread - 4/WARN]:         at java.lang.Thread.run(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/INFO]: [SkinsRestorer] We couldn't update the proxy list. This usually indicates a firewall problem. A detailed error is below.
[17:46:52] [Craft Scheduler Thread - 8/WARN]: java.net.SocketTimeoutException: connect timed out
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.PlainSocketImpl.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.SocksSocketImpl.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at java.net.Socket.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.NetworkClient.doConnect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.http.HttpClient.openServer(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.http.HttpClient.openServer(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.https.AbstractDeleg ... on.getNewHttpClient(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:48)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.utils.ProxyManager.readURL(ProxyManager.java:67)
[17:46:52] [Craft Scheduler Thread - 8/WARN]:         at skinsrestorer.shared.utils.ProxyManager.updateProxies(ProxyManager.java:29)

一般是由于你服务器网络不好导致的~也可能是防火墙把插件要访问的地址拦截了~

补充：还有一种可能就是你用的是旧版本的皮肤插件，需要更新插件。