Hi,<br>I'm trying to install and operate spacewalk, but i falls in every possible error and problem<br>I want to mange my client server, install several additional software or upgrade specific software, but I found continuous error.<br>

<br><br>I have this problem with cobbler, <br><br><br>[root@spacewalk cobbler-sync-bunch]# cat cobbler-sync_131555_err<br>2012-03-20 15:47:00,151 [DefaultQuartzScheduler_Worker-2] ERROR com.redhat.rhn.taskomatic.task.CobblerSyncTask  - RuntimeExceptioneError trying to sync to cobbler: XmlRpcException calling cobbler.<br>

java.lang.RuntimeException: XmlRpcException calling cobbler.<br>        at com.redhat.rhn.manager.kickstart.cobbler.CobblerXMLRPCHelper.invokeMethod(CobblerXMLRPCHelper.java:72)<br>        at com.redhat.rhn.taskomatic.task.CobblerSyncTask.execute(CobblerSyncTask.java:65)<br>

        at com.redhat.rhn.taskomatic.task.RhnJavaJob.execute(RhnJavaJob.java:80)<br>        at com.redhat.rhn.taskomatic.TaskoJob.execute(TaskoJob.java:168)<br>        at org.quartz.core.JobRunShell.run(JobRunShell.java:214)<br>

        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)<br>Caused by: redstone.xmlrpc.XmlRpcException: A network error occurred.<br>        at redstone.xmlrpc.XmlRpcClient.endCall(XmlRpcClient.java:380)<br>

        at redstone.xmlrpc.XmlRpcClient.invoke(XmlRpcClient.java:165)<br>        at com.redhat.rhn.manager.kickstart.cobbler.CobblerXMLRPCHelper.invokeMethod(CobblerXMLRPCHelper.java:69)<br>        ... 5 more<br>Caused by: java.net.ConnectException: Connection refused<br>

        at java.net.PlainSocketImpl.socketConnect(Native Method)<br>        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327)<br>        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193)<br>

        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)<br>        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384)<br>        at java.net.Socket.connect(Socket.java:546)<br>        at java.net.Socket.connect(Socket.java:495)<br>

        at sun.net.NetworkClient.doConnect(NetworkClient.java:178)<br>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:409)<br>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:530)<br>        at sun.net.www.http.HttpClient.<init>(HttpClient.java:240)<br>

        at sun.net.www.http.HttpClient.New(HttpClient.java:321)<br>        at sun.net.www.http.HttpClient.New(HttpClient.java:338)<br>        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:935)<br>

        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:876)<br>        at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:801)<br>        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:979)<br>

        at redstone.xmlrpc.XmlRpcClient.endCall(XmlRpcClient.java:370)<br>        ... 7 more<br>2012-03-20 15:47:00,151 [DefaultQuartzScheduler_Worker-2] ERROR com.redhat.rhn.taskomatic.task.CobblerSyncTask  - re-throwing exception since we havent yet.<br>

2012-03-20 15:47:00,155 [DefaultQuartzScheduler_Worker-2] ERROR com.redhat.rhn.taskomatic.task.CobblerSyncTask  - XmlRpcException calling cobbler.<br>2012-03-20 15:47:00,155 [DefaultQuartzScheduler_Worker-2] ERROR com.redhat.rhn.taskomatic.task.CobblerSyncTask  - redstone.xmlrpc.XmlRpcException: A network error occurred.<br>

<br><br><br>Can someone help me to solve this problem?<br><br>Thank's<br><br>---<br>Carlo Filippetto<br><br>