executor ExecutorRegistryThread] INFO c.x.j.c.t.ExecutorRegistryThread - xxl-job registry fail， 15:39:02.767 logback [xxl-job， contentnull] 15:39:46.490 logback [xxl-job， msgxxl-rpc remoting error(Connection refused: connect)， registryKeyxxl-job-executor-sample， executor ExecutorRegistryThread] ERROR c.x.job.core.util.XxlJobRemotingUtil - Connection refused: connect java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:606) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.(HttpClient.java:463) at sun.net.(HttpClient.java:558) at sun.net.init(HttpClient.java:242) at sun.net.(HttpClient.java:339) at sun.net.(HttpClient.java:357) at sun.net.(HttpURLConnection.java:1226) at sun.net.(HttpURLConnection.java:1162) at sun.net.(HttpURLConnection.java:1056) at sun.net.(HttpURLConnection.java:990) at com.xxl.job.core.util.XxlJobRemotingUtil.postBody(XxlJobRemotingUtil.java:95) at com.xxl.job.core.biz.client.AdminBizClient.registry(AdminBizClient.java:42) at com.xxl.job.core.thread.ExecutorRegistryThread$1.run(ExecutorRegistryThread.java:48) at java.lang.Thread.run(Thread.java:748) ， registryResult:ReturnT [code500， for url : :8080/xxl-job-admin/api/registry， registryValue:9999/}，。
registryParam:RegistryParam{registryGroupEXECUTOR。