[
https://issues.apache.org/jira/browse/CLOUDSTACK-5573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13854492#comment-13854492
]
Sangeetha Hariharan commented on CLOUDSTACK-5573:
-------------------------------------------------
I see the same kind of behavior where CPVM is stuck in "Starting" state.
Use case that was tested is :
Deploy few HA enabled Vms in each of the hosts .
Power down one of the hosts ( using IPMI).This results in the agent being
shutdown gracefully.
We see that the host gets into "Disconnected" state.
All the Vms that are running in this host continue to be in "Up" state.
After few minutes , power on the host.
All the Vms that are running in this host get marked as "Down" state. SSVM and
CPVM tried to start .SSVM succeeded in started. But CPVM fails to start with
following exception in agent logs:
2013-12-19 18:18:09,126 ERROR [agent.transport.Request]
(agentRequest-Handler-3:null) Caught problem with
[{"com.cloud.agent.api.StartCommand":{"vm":{"id":48,"name":"v-48-MyTestVM","type":
"ConsoleProxy","cpus":1,"minSpeed":500,"maxSpeed":500,"minRam":1073741824,"maxRam":1073741824,"arch":"x86_64","os":"Debian
GNU/Linux 5.0 (32-bit)","bootArgs":" template\u003ddomP type\u003
dconsoleproxy host\u003d10.223.49.6 port\u003d8250 name\u003dv-48-MyTestVM
premium\u003dtrue zone\u003d1 pod\u003d1 guid\u003dProxy.48 proxy_vm\u003d48
disable_rp_filter\u003dtrue eth2ip\u
003d10.223.138.132 eth2mask\u003d255.255.255.192 gateway\u003d10.223.138.129
eth0ip\u003d169.254.2.207 eth0mask\u003d255.255.0.0 eth1ip\u003d10.223.58.145
eth1mask\u003d255.255.255.192 mgm
tcidr\u003d10.223.49.0/26 localgw\u003d10.223.58.129
internaldns1\u003d10.223.240.234
dns1\u003d10.223.240.232","rebootOnCrash":false,"enableHA":false,"limitCpuUse":false,"enableDynamicall
yScaleVm":false,"vncPassword":"489a2854edfb14be","params":{},"uuid":"64cb75cc-23ad-41a9-b192-7e1fdb09ecc7","disks":[{"data":{"org.apache.cloudstack.storage.to.VolumeObjectTO":{"uuid":"34d1
dac7-40ff-46b3-8003-a7ccbe2ef524","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"4aedbaff-1e54-37a2-a150-0b67dbe58ed5","id":3,"poolType":"N
etworkFilesystem","host":"10.223.57.195","path":"/export/home/kvm/primary1","port":2049,"url":"NetworkFilesystem://10.223.57.195//export/home/kvm/primary1/?ROLE\u003dPrimary\u0026STOREUUID
\u003d4aedbaff-1e54-37a2-a150-0b67dbe58ed5"}},"name":"ROOT-48","size":269367296,"path":"34d1dac7-40ff-46b3-8003-a7ccbe2ef524","volumeId":48,"vmName":"v-48-MyTestVM","accountId":1,"format":
"QCOW2","id":48,"deviceId":0,"hypervisorType":"KVM"}},"diskSeq":0,"path":"34d1dac7-40ff-46b3-8003-a7ccbe2ef524","type":"ROOT","_details":{"managed":"false","storagePort":"2049","storageHos
t":"10.223.57.195","volumeSize":"269367296"}}],"nics":[{"deviceId":2,"networkRateMbps":-1,"defaultNic":true,"uuid":"d604020e-d1d4-4d03-a37c-c0edc4c21fc5","ip":"10.223.138.132","netmask":"2
55.255.255.192","gateway":"10.223.138.129","mac":"06:7d:80:00:00:14","dns1":"10.223.240.232","broadcastType":"Vlan","type":"Public","broadcastUri":"vlan://1382","isolationUri":"vlan://1382
","isSecurityGroupEnabled":false},{"deviceId":0,"networkRateMbps":-1,"defaultNic":false,"uuid":"31f8e128-d429-418b-9038-8edafdbefb9d","ip":"169.254.2.207","netmask":"255.255.0.0","gateway"
:"169.254.0.1","mac":"0e:00:a9:fe:02:cf","broadcastType":"LinkLocal","type":"Control","isSecurityGroupEnabled":false},{"deviceId":1,"networkRateMbps":-1,"defaultNic":false,"uuid":"7b249c6e
-1987-412e-a156-f3f4ab16db17","ip":"10.223.58.145","netmask":"255.255.255.192","gateway":"10.223.58.129","mac":"06:b6:7e:00:00:0e","broadcastType":"Native","type":"Management","isSecurityG
roupEnabled":false}]},"hostIp":"10.223.58.131","executeInSequence":false,"contextMap":{},"wait":0}},{"com.cloud.agent.api.check.CheckSshCommand":{"ip":"169.254.2.207","port":3922,"interval
":6,"retries":100,"name":"v-48-MyTestVM","contextMap":{},"wait":0}}]
com.google.gson.JsonParseException: The JsonDeserializer
com.cloud.agent.transport.InterfaceTypeAdaptor@2e864e43 failed to deserialize
json object {"org.apache.cloudstack.storage.to.Volume
ObjectTO":{"uuid":"34d1dac7-40ff-46b3-8003-a7ccbe2ef524","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"4aedbaff-1e54-37a2-a150-0b67dbe58ed
5","id":3,"poolType":"NetworkFilesystem","host":"10.223.57.195","path":"/export/home/kvm/primary1","port":2049,"url":"NetworkFilesystem://10.223.57.195//export/home/kvm/primary1/?ROLE=Prim
ary&STOREUUID=4aedbaff-1e54-37a2-a150-0b67dbe58ed5"}},"name":"ROOT-48","size":269367296,"path":"34d1dac7-40ff-46b3-8003-a7ccbe2ef524","volumeId":48,"vmName":"v-48-MyTestVM","accountId":1,"
format":"QCOW2","id":48,"deviceId":0,"hypervisorType":"KVM"}} given the type
interface com.cloud.agent.api.to.DataTO
at
com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
at
com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
at
com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117)
at
com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
at
com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
at
com.google.gson.JsonDeserializationVisitor.visitChildAsObject(JsonDeserializationVisitor.java:99)
at
com.google.gson.JsonArrayDeserializationVisitor.visitArray(JsonArrayDeserializationVisitor.java:70)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:112)
at
com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
at
com.google.gson.JsonDeserializationVisitor.visitChildAsArray(JsonDeserializationVisitor.java:106)
at
com.google.gson.JsonObjectDeserializationVisitor.visitArrayField(JsonObjectDeserializationVisitor.java:82)
at
com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:67)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
at
com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
at
com.google.gson.JsonDeserializationVisitor.visitChildAsObject(JsonDeserializationVisitor.java:99)
at
com.google.gson.JsonObjectDeserializationVisitor.visitObjectField(JsonObjectDeserializationVisitor.java:63)
at
com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:69)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
at
com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76)
at
com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54)
at com.google.gson.Gson.fromJson(Gson.java:551)
at com.google.gson.Gson.fromJson(Gson.java:521)
at
com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
at
com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:36)
at
com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
at
com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
at
com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
at
com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
at
com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
at com.google.gson.Gson.fromJson(Gson.java:551)
at com.google.gson.Gson.fromJson(Gson.java:498)
at com.cloud.agent.transport.Request.getCommands(Request.java:246)
at com.cloud.agent.Agent.processRequest(Agent.java:438)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
at com.cloud.utils.nio.Task.run(Task.java:83)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.NullPointerException
at
com.google.gson.FieldAttributes.getAnnotationFromArray(FieldAttributes.java:231)
at
com.google.gson.FieldAttributes.getAnnotation(FieldAttributes.java:150)
at
com.google.gson.VersionExclusionStrategy.shouldSkipField(VersionExclusionStrategy.java:38)
at
com.google.gson.DisjunctionExclusionStrategy.shouldSkipField(DisjunctionExclusionStrategy.java:38)
at
com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:58)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
at
com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76)
at
com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54)
at com.google.gson.Gson.fromJson(Gson.java:551)
at com.google.gson.Gson.fromJson(Gson.java:521)
at
com.cloud.agent.transport.InterfaceTypeAdaptor.deserialize(InterfaceTypeAdaptor.java:64)
at
com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
... 39 more
2013-12-19 18:18:09,130 WARN [utils.nio.Task] (agentRequest-Handler-3:null)
Caught the following exception but pushing on
java.lang.NullPointerException
at com.cloud.agent.Agent.processRequest(Agent.java:525)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
at com.cloud.utils.nio.Task.run(Task.java:83)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
> KVM- SSVM/CPVM stuck in "Starting" state Caused by:
> java.lang.NullPointerException.
> -----------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-5573
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5573
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.3.0
> Environment: Build from 4.3
> Reporter: Sangeetha Hariharan
> Priority: Critical
> Fix For: 4.3.0
>
> Attachments: kvm-ssvm.rar, kvmhost-down-up.rar
>
>
> Set up:
> Advanced zone set up with 2 KVM (rhel 6.3) hosts.
> Few Vms running on both hosts.
> I was testing use cases of bringing down hosts and brings them back up again .
> During this testing , SSVM got stuck in "Starting" state for ever.
> Following exception seen in agent log:
> 2013-12-19 10:28:08,616 ERROR [agent.transport.Request]
> (agentRequest-Handler-5:null) Caught problem with
> [{"com.cloud.agent.api.StartCommand":{"vm":{"id":35,"name":"s-35-MyTestVM","type":"SecondaryStorageVm","cpus":1,"minSpeed":500,"maxSpeed":500,"minRam":268435456,"maxRam":268435456,"arch":"x86_64","os":"Debian
> GNU/Linux 5.0 (32-bit)","bootArgs":" template\u003ddomP type\u003dsecstorage
> host\u003d10.223.49.6 port\u003d8250 name\u003ds-35-MyTestVM zone\u003d1
> pod\u003d1 guid\u003ds-35-MyTestVM
> resource\u003dcom.cloud.storage.resource.PremiumSecondaryStorageResource
> instance\u003dSecStorage sslcopy\u003dtrue role\u003dtemplateProcessor
> mtu\u003d1500 eth2ip\u003d10.223.138.133 eth2mask\u003d255.255.255.192
> gateway\u003d10.223.138.129 public.network.device\u003deth2
> eth0ip\u003d169.254.0.251 eth0mask\u003d255.255.0.0 eth1ip\u003d10.223.58.137
> eth1mask\u003d255.255.255.192 mgmtcidr\u003d10.223.49.0/26
> localgw\u003d10.223.58.129 private.network.device\u003deth1
> eth3ip\u003d10.223.58.147 eth3mask\u003d255.255.255.192
> storageip\u003d10.223.58.147 storagenetmask\u003d255.255.255.192
> storagegateway\u003d10.223.58.129 internaldns1\u003d10.223.240.234
> dns1\u003d10.223.240.232","rebootOnCrash":false,"enableHA":false,"limitCpuUse":false,"enableDynamicallyScaleVm":false,"vncPassword":"6e5928251a8718f6","params":{},"uuid":"db3f9893-d98e-4fb4-a6a4-95f2c95ce407","disks":[{"data":{"org.apache.cloudstack.storage.to.VolumeObjectTO":{"uuid":"488b20bf-e706-46b9-9039-4dd407aa23ba","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"4aedbaff-1e54-37a2-a150-0b67dbe58ed5","id":3,"poolType":"NetworkFilesystem","host":"10.223.57.195","path":"/export/home/kvm/primary1","port":2049,"url":"NetworkFilesystem://10.223.57.195//export/home/kvm/primary1/?ROLE\u003dPrimary\u0026STOREUUID\u003d4aedbaff-1e54-37a2-a150-0b67dbe58ed5"}},"name":"ROOT-35","size":0,"path":"488b20bf-e706-46b9-9039-4dd407aa23ba","volumeId":35,"vmName":"s-35-MyTestVM","accountId":1,"format":"QCOW2","id":35,"deviceId":0,"hypervisorType":"KVM"}},"diskSeq":0,"path":"488b20bf-e706-46b9-9039-4dd407aa23ba","type":"ROOT","_details":{"managed":"false","storagePort":"2049","storageHost":"10.223.57.195","volumeSize":"0"}}],"nics":[{"deviceId":2,"networkRateMbps":-1,"defaultNic":true,"uuid":"35eb2804-514b-40d5-8e20-a2f423ca2625","ip":"10.223.138.133","netmask":"255.255.255.192","gateway":"10.223.138.129","mac":"06:66:22:00:00:15","dns1":"10.223.240.232","broadcastType":"Vlan","type":"Public","broadcastUri":"vlan://1382","isolationUri":"vlan://1382","isSecurityGroupEnabled":false},{"deviceId":0,"networkRateMbps":-1,"defaultNic":false,"uuid":"ea38c96f-cc88-463b-812e-a4a69b59d7f7","ip":"169.254.0.251","netmask":"255.255.0.0","gateway":"169.254.0.1","mac":"0e:00:a9:fe:00:fb","broadcastType":"LinkLocal","type":"Control","isSecurityGroupEnabled":false},{"deviceId":1,"networkRateMbps":-1,"defaultNic":false,"uuid":"aa865f74-1add-476c-ad0f-86aed6b84155","ip":"10.223.58.137","netmask":"255.255.255.192","gateway":"10.223.58.129","mac":"06:10:f0:00:00:06","broadcastType":"Native","type":"Management","isSecurityGroupEnabled":false},{"deviceId":3,"networkRateMbps":-1,"defaultNic":false,"uuid":"032a8d30-fdf9-493d-ad2c-e3c2627e1869","ip":"10.223.58.147","netmask":"255.255.255.192","gateway":"10.223.58.129","mac":"06:40:ce:00:00:10","broadcastType":"Native","type":"Storage","isSecurityGroupEnabled":false}]},"hostIp":"10.223.58.131","executeInSequence":false,"contextMap":{},"wait":0}},{"com.cloud.agent.api.check.CheckSshCommand":{"ip":"169.254.0.251","port":3922,"interval":6,"retries":100,"name":"s-35-MyTestVM","contextMap":{},"wait":0}}]
> com.google.gson.JsonParseException: The JsonDeserializer
> com.cloud.agent.transport.InterfaceTypeAdaptor@6db22920 failed to deserialize
> json object
> {"org.apache.cloudstack.storage.to.VolumeObjectTO":{"uuid":"488b20bf-e706-46b9-9039-4dd407aa23ba","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"4aedbaff-1e54-37a2-a150-0b67dbe58ed5","id":3,"poolType":"NetworkFilesystem","host":"10.223.57.195","path":"/export/home/kvm/primary1","port":2049,"url":"NetworkFilesystem://10.223.57.195//export/home/kvm/primary1/?ROLE=Primary&STOREUUID=4aedbaff-1e54-37a2-a150-0b67dbe58ed5"}},"name":"ROOT-35","size":0,"path":"488b20bf-e706-46b9-9039-4dd407aa23ba","volumeId":35,"vmName":"s-35-MyTestVM","accountId":1,"format":"QCOW2","id":35,"deviceId":0,"hypervisorType":"KVM"}}
> given the type interface com.cloud.agent.api.to.DataTO
> at
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
> at
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
> at
> com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117)
> at
> com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
> at
> com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
> at
> com.google.gson.JsonDeserializationVisitor.visitChildAsObject(JsonDeserializationVisitor.java:99)
> at
> com.google.gson.JsonArrayDeserializationVisitor.visitArray(JsonArrayDeserializationVisitor.java:70)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:112)
> at
> com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
> at
> com.google.gson.JsonDeserializationVisitor.visitChildAsArray(JsonDeserializationVisitor.java:106)
> at
> com.google.gson.JsonObjectDeserializationVisitor.visitArrayField(JsonObjectDeserializationVisitor.java:82)
> at
> com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:67)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
> at
> com.google.gson.JsonDeserializationVisitor.visitChild(JsonDeserializationVisitor.java:110)
> at
> com.google.gson.JsonDeserializationVisitor.visitChildAsObject(JsonDeserializationVisitor.java:99)
> at
> com.google.gson.JsonObjectDeserializationVisitor.visitObjectField(JsonObjectDeserializationVisitor.java:63)
> at
> com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:69)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
> at
> com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76)
> at
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54)
> at com.google.gson.Gson.fromJson(Gson.java:551)
> at com.google.gson.Gson.fromJson(Gson.java:521)
> at
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
> at
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:36)
> at
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
> at
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
> at
> com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
> at
> com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
> at
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
> at com.google.gson.Gson.fromJson(Gson.java:551)
> at com.google.gson.Gson.fromJson(Gson.java:498)
> at com.cloud.agent.transport.Request.getCommands(Request.java:246)
> at com.cloud.agent.Agent.processRequest(Agent.java:438)
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
> at com.cloud.utils.nio.Task.run(Task.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:679)
> Caused by: java.lang.NullPointerException
> at
> com.google.gson.FieldAttributes.getAnnotationFromArray(FieldAttributes.java:231)
> at
> com.google.gson.FieldAttributes.getAnnotation(FieldAttributes.java:150)
> at
> com.google.gson.VersionExclusionStrategy.shouldSkipField(VersionExclusionStrategy.java:38)
> at
> com.google.gson.DisjunctionExclusionStrategy.shouldSkipField(DisjunctionExclusionStrategy.java:38)
> at
> com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:58)
> at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120)
> at
> com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76)
> at
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54)
> at com.google.gson.Gson.fromJson(Gson.java:551)
> at com.google.gson.Gson.fromJson(Gson.java:521)
> at
> com.cloud.agent.transport.InterfaceTypeAdaptor.deserialize(InterfaceTypeAdaptor.java:64)
> at
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
> ... 39 more
> 2013-12-19 10:28:08,620 WARN [utils.nio.Task] (agentRequest-Handler-5:null)
> Caught the following exception but pushing on
> java.lang.NullPointerException
> at com.cloud.agent.Agent.processRequest(Agent.java:525)
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
> at com.cloud.utils.nio.Task.run(Task.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:679)
> @
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