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https://issues.apache.org/jira/browse/CLOUDSTACK-2996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13694859#comment-13694859
 ] 

Tamas Monos commented on CLOUDSTACK-2996:
-----------------------------------------

2013-06-27 17:39:58,392 DEBUG [agent.transport.Request] 
(AgentManager-Handler-13:null) Seq 1-593559613: Executing:  { Cmd , MgmtId: 
345049213916, via: 1, Ver: v1, Flags: 100011, 
[{"GetVncPortCommand":{"id":4,"name":"r-4-VM","wait":0}}] }
2013-06-27 17:39:58,393 DEBUG [agent.manager.DirectAgentAttache] 
(DirectAgent-66:null) Seq 1-593559613: Executing request
2013-06-27 17:39:58,393 DEBUG [vmware.mo.HostMO] 
(DirectAgent-66:esxw2.veber.co.uk) find VM r-4-VM on host
2013-06-27 17:39:58,393 DEBUG [vmware.mo.HostMO] 
(DirectAgent-66:esxw2.veber.co.uk) load VM cache on host
2013-06-27 17:39:59,756 DEBUG [agent.manager.DirectAgentAttache] 
(DirectAgent-66:null) Seq 1-593559613: Response Received: 
2013-06-27 17:39:59,756 DEBUG [agent.manager.ClusteredAgentManagerImpl] 
(DirectAgent-66:null) Seq 1-593559613: MgmtId 345049213916: Resp: Routing to 
peer
2013-06-27 17:40:00,054 DEBUG [agent.manager.AgentManagerImpl] 
(AgentManager-Handler-14:null) SeqA 7-7: Processing Seq 7-7:  { Cmd , MgmtId: 
-1, via: 7, Ver: v1, Flags: 11, 
[{"ConsoleAccessAuthenticationCommand":{"_host":"192.168.1.9","_port":"5906","_vmId":"edf86b3a-b440-433c-ba75-dcdabb665f14","_sid":"5da5db34a00b6593","_ticket":"o9+d9QsqtETHrX5FexMmZGtCaS8=","_isReauthenticating":false,"wait":0}}]
 }
2013-06-27 17:40:00,054 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
(AgentManager-Handler-14:null) Console authentication. Ticket in url for 
192.168.1.9:5906-edf86b3a-b440-433c-ba75-dcdabb665f14 is 
o9+d9QsqtETHrX5FexMmZGtCaS8=
2013-06-27 17:40:00,054 ERROR [cloud.servlet.ConsoleProxyServlet] 
(AgentManager-Handler-14:null) Unexpected exception 
java.lang.NullPointerException
        at 
com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:429)
        at 
com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:418)
        at 
com.cloud.consoleproxy.ConsoleProxyManagerImpl.onConsoleAccessAuthentication(ConsoleProxyManagerImpl.java:906)
        at 
com.cloud.consoleproxy.ConsoleProxyListener.processControlCommand(ConsoleProxyListener.java:61)
        at 
com.cloud.agent.manager.AgentManagerImpl.handleControlCommand(AgentManagerImpl.java:348)
        at 
com.cloud.agent.manager.AgentManagerImpl.access$200(AgentManagerImpl.java:145)
        at 
com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1286)
        at 
com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1374)
        at 
com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
        at com.cloud.utils.nio.Task.run(Task.java:83)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
2013-06-27 17:40:00,056 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
(AgentManager-Handler-14:null) Console authentication. Ticket in 1 minute 
boundary for 192.168.1.9:5906-edf86b3a-b440-433c-ba75-dcdabb665f14 is 
2013-06-27 17:40:00,056 ERROR [cloud.servlet.ConsoleProxyServlet] 
(AgentManager-Handler-14:null) Unexpected exception 
java.lang.NullPointerException
        at 
com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:429)
        at 
com.cloud.consoleproxy.ConsoleProxyManagerImpl.onConsoleAccessAuthentication(ConsoleProxyManagerImpl.java:914)
        at 
com.cloud.consoleproxy.ConsoleProxyListener.processControlCommand(ConsoleProxyListener.java:61)
        at 
com.cloud.agent.manager.AgentManagerImpl.handleControlCommand(AgentManagerImpl.java:348)
        at 
com.cloud.agent.manager.AgentManagerImpl.access$200(AgentManagerImpl.java:145)
        at 
com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1286)
        at 
com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1374)
        at 
com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
        at com.cloud.utils.nio.Task.run(Task.java:83)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
2013-06-27 17:40:00,056 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
(AgentManager-Handler-14:null) Console authentication. Ticket in 2-minute 
boundary for 192.168.1.9:5906-edf86b3a-b440-433c-ba75-dcdabb665f14 is 
2013-06-27 17:40:00,056 ERROR [cloud.consoleproxy.ConsoleProxyManagerImpl] 
(AgentManager-Handler-14:null) Access ticket expired or has been modified. 
vmId: edf86b3a-b440-433c-ba75-dcdabb665f14ticket in URL: 
o9+d9QsqtETHrX5FexMmZGtCaS8=, tickets to check against: ,
2013-06-27 17:40:00,056 DEBUG [agent.manager.AgentManagerImpl] 
(AgentManager-Handler-14:null) SeqA 7-7: Sending Seq 7-7:  { Ans: , MgmtId: 
345049205465, via: 7, Ver: v1, Flags: 100010, 
[{"ConsoleAccessAuthenticationAnswer":{"_success":false,"_isReauthenticating":false,"_port":0,"result":true,"wait":0}}]
 }

                
> Nullpointer exception on view console on vmware
> -----------------------------------------------
>
>                 Key: CLOUDSTACK-2996
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2996
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: VNC Proxy
>    Affects Versions: 4.1.0
>         Environment: VMware 5.1 with CentOS 6
>            Reporter: Tamas Monos
>            Priority: Critical
>
> Hi,
> After 3.0.2->4.1 upgrade I cannot use the view-console function in the UI.
> I always get "Access is denied for the console session. Please close the 
> window and retry again"
> In the management-server log I find lots of nullpointer exceptions:
> 2013-06-13 16:20:14,561 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-56:esxw1.veber.co.uk) find VM i-2-5-VM on host
> 2013-06-13 16:20:14,562 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-56:esxw1.veber.co.uk) load VM cache on host
> 2013-06-13 16:20:15,000 DEBUG [agent.manager.DirectAgentAttache] 
> (DirectAgent-56:null) Seq 2-205195617: Response Received: 
> 2013-06-13 16:20:15,000 DEBUG [agent.transport.Request] 
> (StatsCollector-1:null) Seq 2-205195617: Received:  { Ans: , MgmtId: 
> 345049205465, via: 2, Ver: v1, Flags: 10, { GetVmStatsAnswer } }
> 2013-06-13 16:20:19,142 DEBUG [agent.transport.Request] 
> (AgentManager-Handler-13:null) Seq 2-1681524997: Executing:  { Cmd , MgmtId: 
> 345049213916, via: 2, Ver: v1, Flags: 100011, [{"GetVncPortCommand":{"id
> ":5,"name":"i-2-5-VM","wait":0}}] }
> 2013-06-13 16:20:19,142 DEBUG [agent.manager.DirectAgentAttache] 
> (DirectAgent-41:null) Seq 2-1681524997: Executing request
> 2013-06-13 16:20:19,143 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-41:esxw1.veber.co.uk) find VM i-2-5-VM on host
> 2013-06-13 16:20:19,143 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-41:esxw1.veber.co.uk) load VM cache on host
> 2013-06-13 16:20:20,503 DEBUG [agent.manager.DirectAgentAttache] 
> (DirectAgent-41:null) Seq 2-1681524997: Response Received: 
> 2013-06-13 16:20:20,503 DEBUG [agent.manager.ClusteredAgentManagerImpl] 
> (DirectAgent-41:null) Seq 2-1681524997: MgmtId 345049213916: Resp: Routing to 
> peer
> 2013-06-13 16:20:22,838 DEBUG [agent.manager.AgentManagerImpl] 
> (AgentManager-Handler-14:null) SeqA 4-1561: Processing Seq 4-1561:  { Cmd , 
> MgmtId: -1, via: 4, Ver: v1, Flags: 11, 
> [{"ConsoleAccessAuthenticationCommand":{"_host":"192.168.1.8","_port":"5908","_vmId":"18b5fb46-5802-421f-beba-1656674ccd86","_sid":"abddf0e66a4610b3","_ticket":"EBf0KlF4mayF4/Ueu50EFGS5uls=","_isReauthenticating":false,"wait":0}}]
>  }
> 2013-06-13 16:20:22,838 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
> (AgentManager-Handler-14:null) Console authentication. Ticket in url for 
> 192.168.1.8:5908-18b5fb46-5802-421f-beba-1656674ccd86 is 
> EBf0KlF4mayF4/Ueu50EFGS5uls=
> 2013-06-13 16:20:22,839 ERROR [cloud.servlet.ConsoleProxyServlet] 
> (AgentManager-Handler-14:null) Unexpected exception 
> java.lang.NullPointerException
>         at 
> com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:429)
>         at 
> com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:418)
>         at 
> com.cloud.consoleproxy.ConsoleProxyManagerImpl.onConsoleAccessAuthentication(ConsoleProxyManagerImpl.java:906)
>         at 
> com.cloud.consoleproxy.ConsoleProxyListener.processControlCommand(ConsoleProxyListener.java:61)
>         at 
> com.cloud.agent.manager.AgentManagerImpl.handleControlCommand(AgentManagerImpl.java:348)
>         at 
> com.cloud.agent.manager.AgentManagerImpl.access$200(AgentManagerImpl.java:145)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1286)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1374)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:679)
> 2013-06-13 16:20:22,839 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
> (AgentManager-Handler-14:null) Console authentication. Ticket in 1 minute 
> boundary for 192.168.1.8:5908-18b5fb46-5802-421f-beba-1656674ccd86 is 
> 2013-06-13 16:20:22,839 ERROR [cloud.servlet.ConsoleProxyServlet] 
> (AgentManager-Handler-14:null) Unexpected exception 
> java.lang.NullPointerException
>         at 
> com.cloud.servlet.ConsoleProxyServlet.genAccessTicket(ConsoleProxyServlet.java:429)
>         at 
> com.cloud.consoleproxy.ConsoleProxyManagerImpl.onConsoleAccessAuthentication(ConsoleProxyManagerImpl.java:914)
>         at 
> com.cloud.consoleproxy.ConsoleProxyListener.processControlCommand(ConsoleProxyListener.java:61)
>         at 
> com.cloud.agent.manager.AgentManagerImpl.handleControlCommand(AgentManagerImpl.java:348)
>         at 
> com.cloud.agent.manager.AgentManagerImpl.access$200(AgentManagerImpl.java:145)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1286)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1374)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:679)
> 2013-06-13 16:20:22,840 DEBUG [cloud.consoleproxy.ConsoleProxyManagerImpl] 
> (AgentManager-Handler-14:null) Console authentication. Ticket in 2-minute 
> boundary for 192.168.1.8:5908-18b5fb46-5802-421f-beba-1656674ccd86 is 
> 2013-06-13 16:20:22,840 ERROR [cloud.consoleproxy.ConsoleProxyManagerImpl] 
> (AgentManager-Handler-14:null) Access ticket expired or has been modified. 
> vmId: 18b5fb46-5802-421f-beba-1656674ccd86ticket in URL: 
> EBf0KlF4mayF4/Ueu50EFGS5uls=, tickets to check against: ,
> 2013-06-13 16:20:22,840 DEBUG [agent.manager.AgentManagerImpl] 
> (AgentManager-Handler-14:null) SeqA 4-1561: Sending Seq 4-1561:  { Ans: , 
> MgmtId: 345049205465, via: 4, Ver: v1, Flags: 100010, 
> [{"ConsoleAccessAuthenticationAnswer":{"_success":false,"_isReauthenticating":false,"_port":0,"result":true,"wait":0}}]
>  }
> 2013-06-13 16:20:31,100 DEBUG [agent.manager.DirectAgentAttache] 
> (DirectAgent-177:null) Seq 2-1681524998: Executing request
> 2013-06-13 16:20:31,907 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-177:esxw1.veber.co.uk) find VM i-2-5-VM on host
> 2013-06-13 16:20:31,908 DEBUG [vmware.mo.HostMO] 
> (DirectAgent-177:esxw1.veber.co.uk) load VM cache on host
> 2013-06-13 16:20:32,416 DEBUG [agent.manager.DirectAgentAttache] 
> (DirectAgent-177:null) Seq 2-1681524998: Response Received: 
> Is it me doing something wrong somewhere?
> Regards

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