Hi,

After I upgraded ACS from 4.4.2 to 4.5.1, I am seeing following error in 
management server logs, for each and every VR,


2015-07-06 07:08:20,721 INFO  [o.a.c.f.j.i.AsyncJobManagerImpl] 
(AsyncJobMgr-Heartbeat-1:ctx-415ba06d) Begin cleanup expired async-jobs
2015-07-06 07:08:20,733 INFO  [o.a.c.f.j.i.AsyncJobManagerImpl] 
(AsyncJobMgr-Heartbeat-1:ctx-415ba06d) End cleanup expired async-jobs
2015-07-06 07:08:20,811 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) External devices stats collector is 
running...
2015-07-06 07:08:20,833 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 204 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,835 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 219 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,838 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 220 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,846 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 211 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,851 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 212 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,853 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 213 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,855 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 222 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,858 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 223 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,884 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 215 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,887 DEBUG [c.c.n.r.VirtualNetworkApplianceManagerImpl] 
(RouterMonitor-1:ctx-91d5dc5d) Found 10 running routers.
2015-07-06 07:08:20,893 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 216 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,894 DEBUG [c.c.n.r.VirtualNetworkApplianceManagerImpl] 
(RouterStatusMonitor-1:ctx-50b5b42f) Found 11 routers to update status.
2015-07-06 07:08:20,898 DEBUG [c.c.n.r.VirtualNetworkApplianceManagerImpl] 
(RouterStatusMonitor-1:ctx-50b5b42f) Found 0 networks to update RvR status.
2015-07-06 07:08:20,899 DEBUG [c.c.n.ExternalDeviceUsageManagerImpl] 
(ExternalNetworkMonitor-1:ctx-8a22f14d) Network 217 is not configured for 
external networking, so skipping usage check.
2015-07-06 07:08:20,910 DEBUG [c.c.a.m.DirectAgentAttache] 
(DirectAgent-284:ctx-0e4c6018) Seq 5-6790865288121300428: Executing request
2015-07-06 07:08:20,915 DEBUG [c.c.h.x.r.CitrixResourceBase] 
(DirectAgent-284:ctx-0e4c6018) Executing command in VR: 
/opt/cloud/bin/router_proxy.sh netusage.sh 169.254.2.197 -g
2015-07-06 07:08:21,041 DEBUG [c.c.s.s.SnapshotSchedulerImpl] 
(SnapshotPollTask:ctx-60440aa6) Snapshot scheduler.poll is being called at 
2015-07-06 05:08:21 GMT
2015-07-06 07:08:21,043 DEBUG [c.c.s.s.SnapshotSchedulerImpl] 
(SnapshotPollTask:ctx-60440aa6) Got 0 snapshots to be executed at 2015-07-06 
05:08:21 GMT
2015-07-06 07:08:21,337 WARN  [c.c.h.x.r.XenServer56Resource] 
(DirectAgent-284:ctx-0e4c6018) Failed to get network usage stats due to
java.lang.NumberFormatException: For input string: "iptables"
                at 
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
                at java.lang.Long.parseLong(Long.java:441)
                at java.lang.Long.<init>(Long.java:702)
                at 
com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.getNetworkStats(CitrixResourceBase.java:2225)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.execute(XenServer56Resource.java:204)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:62)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:87)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
                at 
com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:302)
                at 
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
                at 
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
                at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
                at java.util.concurrent.FutureTask.run(FutureTask.java:262)
                at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
                at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
                at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
                at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
                at java.lang.Thread.run(Thread.java:744)
2015-07-06 07:08:21,339 DEBUG [c.c.a.m.DirectAgentAttache] 
(DirectAgent-284:ctx-0e4c6018) Seq 5-6790865288121300428: Response Received:
2015-07-06 07:08:21,339 DEBUG [c.c.a.t.Request] (DirectAgent-284:ctx-0e4c6018) 
Seq 5-6790865288121300428: Processing:  { Ans: , MgmtId: 59778234354585, via: 
5, Ver: v1, Flags: 10, 
[{"com.cloud.agent.api.NetworkUsageAnswer":{"result":false,"details":"Exception:
 java.lang.NumberFormatException\nMessage: For input string: 
\"iptables\"\nStack: java.lang.NumberFormatException: For input string: 
\"iptables\"\n\tat 
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)\n\tat
 java.lang.Long.parseLong(Long.java:441)\n\tat 
java.lang.Long.<init>(Long.java:702)\n\tat 
com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.getNetworkStats(CitrixResourceBase.java:2225)\n\tat
 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.execute(XenServer56Resource.java:204)\n\tat
 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:62)\n\tat
 
com.cloud.hypervisor.xenserver.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:87)\n\tat
 
com.cloud.hypervisor.xenserver.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)\n\tat
 
com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:302)\n\tat
 
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)\n\tat
 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)\n\tat
 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)\n\tat
 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)\n\tat
 
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)\n\tat
 java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)\n\tat 
java.util.concurrent.FutureTask.run(FutureTask.java:262)\n\tat 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)\n\tat
 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)\n\tat
 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\n\tat
 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\n\tat
 java.lang.Thread.run(Thread.java:744)\n","wait":0}}] }
2015-07-06 07:08:21,339 DEBUG [c.c.a.t.Request] (RouterMonitor-1:ctx-91d5dc5d) 
Seq 5-6790865288121300428: Received:  { Ans: , MgmtId: 59778234354585, via: 5, 
Ver: v1, Flags: 10, { NetworkUsageAnswer } }
2015-07-06 07:08:21,339 DEBUG [c.c.a.m.AgentManagerImpl] 
(RouterMonitor-1:ctx-91d5dc5d) Details from executing class 
com.cloud.agent.api.NetworkUsageCommand: Exception: 
java.lang.NumberFormatException
Message: For input string: "iptables"
Stack: java.lang.NumberFormatException: For input string: "iptables"
                at 
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
                at java.lang.Long.parseLong(Long.java:441)
                at java.lang.Long.<init>(Long.java:702)
                at 
com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.getNetworkStats(CitrixResourceBase.java:2225)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.execute(XenServer56Resource.java:204)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:62)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:87)
                at 
com.cloud.hypervisor.xenserver.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
                at 
com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:302)
                at 
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
                at 
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
                at 
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
                at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
                at java.util.concurrent.FutureTask.run(FutureTask.java:262)
                at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
                at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
                at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
                at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
                at java.lang.Thread.run(Thread.java:744)

what exactly is this error?

/sonali

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