Hi Hari, According to [1], it seems that the command's syntax is: GET /ovirt-engine/api/disks/123/statistics Can you give it a try? Thanks [1] http://ovirt.github.io/ovirt-engine-api-model/4.3/#types/disk/links/stati... *Regards,* *Shani Leviim* On Fri, Aug 17, 2018 at 11:19 AM, Hari Prasanth Loganathan < hariprasanth.l(a)msystechnologies.com&gt; wrote: > Hi Team, > > I try to get the disk statistics using the following > *Url: * > > * /ovirt-engine/api/disks?follow=statistics* > > and I get the following error in oVirt, > > 2018-08-17 15:34:24,663+08 ERROR [io.undertow.request] (default > task-815) UT005023: Exception handling request to > /ovirt-engine/api/v4/disks: java.lang.RuntimeException: > org.jboss.resteasy.spi.UnhandledException: java.lang.IllegalStateException: > Problem following 'statistics' link in Disks entity. > at > io.undertow.servlet.spec.RequestDispatcherImpl.forwardImpl(RequestDispatcherImpl.java:245) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.spec.RequestDispatcherImpl.forwardImplSetup(RequestDispatcherImpl.java:147) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.spec.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:111) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.api.restapi.invocation.VersionFilter.doFilter(VersionFilter.java:180) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.invocation.VersionFilter.doFilter(VersionFilter.java:98) > [restapi-jaxrs.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.api.restapi.invocation.CurrentFilter.doFilter(CurrentFilter.java:117) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.invocation.CurrentFilter.doFilter(CurrentFilter.java:72) > [restapi-jaxrs.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.core.aaa.filters.RestApiSessionMgmtFilter.doFilter(RestApiSessionMgmtFilter.java:78) > [aaa.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.core.aaa.filters.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:42) > [aaa.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.core.aaa.filters.SsoRestApiNegotiationFilter.doFilter(SsoRestApiNegotiationFilter.java:84) > [aaa.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > org.ovirt.engine.core.aaa.filters.SsoRestApiAuthFilter.doFilter(SsoRestApiAuthFilter.java:47) > [aaa.jar:] > at > io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] > at org.ovirt.engine.core.aaa.filters.SessionValidationFilter.doFilter(SessionValidationFilter.java:59) > [aaa.jar:] > > > Caused by: java.lang.IllegalStateException: Problem following > 'statistics' link in Disks entity. > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:185) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.followLink(LinkFollower.java:144) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.followLinks(LinkFollower.java:132) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.followLinks(LinkFollower.java:53) > [restapi-jaxrs.jar:] > at org.ovirt.engine.api.restapi.resource.BaseBackendResource.follow(BaseBackendResource.java:412) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.resource.DisksResource.doList(DisksResource.java:222) > [restapi-definition.jar:] > at sun.reflect.GeneratedMethodAccessor407.invoke(Unknown Source) > [:1.8.0_181] > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > [rt.jar:1.8.0_181] > at java.lang.reflect.Method.invoke(Method.java:498) > [rt.jar:1.8.0_181] > at > org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:510) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:401) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$0(ResourceMethodInvoker.java:365) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:361) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:367) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:339) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:137) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:100) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > at > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:441) > [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] > ... 96 more > Caused by: java.lang.IllegalStateException: Problem fetching 'statistics' > from Disk > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:219) > [restapi-jaxrs.jar:] > at > org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:182) > [restapi-jaxrs.jar:] > ... 114 more > Caused by: java.lang.NullPointerException > > Any thoughts on this? > > Thanks, > Hari > > > DISCLAIMER - *MSysTechnologies LLC* > > This email message, contents and its attachments may contain > confidential, proprietary or legally privileged information and is intended > solely for the use of the individual or entity to whom it is actually > intended. If you have erroneously received this message, please permanently > delete it immediately and notify the sender. If you are not the intended > recipient of the email message,you are notified strictly not to > disseminate,distribute or copy this e-mail.E-mail transmission cannot be > guaranteed to be secure or error-free as Information could be intercepted, > corrupted, lost, destroyed, incomplete or contain viruses and > MSysTechnologies LLC accepts no liability for the contents and integrity of > this mail or for any damage caused by the limitations of the e-mail > transmission. > > > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/C7IH6KXS5XA... > >

Hi Hari, In case you want the statistics of all the VM's disks, send this request: GET /ovirt-engine/api/vms/123?follow=disk_attachments.disk.statistics *Regards,* *Shani Leviim* On Sun, Aug 26, 2018 at 6:24 PM, Hari Prasanth Loganathan <hariprasanth.l@ msystechnologies.com> wrote: > > I want to get disk statistics of all disks. > Not just one disk. > > > > On Sun, 26 Aug 2018 at 1:25 PM, Shani Leviim <sleviim(a)redhat.com&gt; wrote: > >> Hi Hari, >> According to [1], it seems that the command's syntax is: >> >> GET /ovirt-engine/api/disks/123/statistics >> >> Can you give it a try? >> Thanks >> >> [1] http://ovirt.github.io/ovirt-engine-api-model/4.3/#types/dis >> k/links/statistics >> >> >> *Regards,* >> >> *Shani Leviim* >> >> On Fri, Aug 17, 2018 at 11:19 AM, Hari Prasanth Loganathan < >> hariprasanth.l(a)msystechnologies.com&gt; wrote: >> >>> Hi Team, >>> >>> I try to get the disk statistics using the following >>> *Url: * >>> >>> * /ovirt-engine/api/disks?follow=statistics* >>> >>> and I get the following error in oVirt, >>> >>> 2018-08-17 15:34:24,663+08 ERROR [io.undertow.request] (default >>> task-815) UT005023: Exception handling request to >>> /ovirt-engine/api/v4/disks: java.lang.RuntimeException: >>> org.jboss.resteasy.spi.UnhandledException: >>> java.lang.IllegalStateException: Problem following 'statistics' link >>> in Disks entity. >>> at io.undertow.servlet.spec.RequestDispatcherImpl.forwardImpl(RequestDispatcherImpl.java:245) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.spec.RequestDispatcherImpl.forwardImplSe >>> tup(RequestDispatcherImpl.java:147) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at io.undertow.servlet.spec.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:111) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at org.ovirt.engine.api.restapi.invocation.VersionFilter.doFilter(VersionFilter.java:180) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.invocation.VersionFilter.doFilter(VersionFilter.java:98) >>> [restapi-jaxrs.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.api.restapi.invocation.CurrentFilter.doFilter(CurrentFilter.java:117) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.invocation.CurrentFilter.doFilter(CurrentFilter.java:72) >>> [restapi-jaxrs.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.core.aaa.filters.RestApiSessionMgmtFilter.d >>> oFilter(RestApiSessionMgmtFilter.java:78) [aaa.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.core.aaa.filters.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:42) >>> [aaa.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.core.aaa.filters.SsoRestApiNegotiationFilte >>> r.doFilter(SsoRestApiNegotiationFilter.java:84) [aaa.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.core.aaa.filters.SsoRestApiAuthFilter.doFil >>> ter(SsoRestApiAuthFilter.java:47) [aaa.jar:] >>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) >>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>> at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.d >>> oFilter(FilterHandler.java:131) [undertow-servlet-2.0.9.Final. >>> jar:2.0.9.Final] >>> at org.ovirt.engine.core.aaa.filters.SessionValidationFilter.do >>> Filter(SessionValidationFilter.java:59) [aaa.jar:] >>> >>> >>> Caused by: java.lang.IllegalStateException: Problem following >>> 'statistics' link in Disks entity. >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:185) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.followLink(LinkFollower.java:144) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fol >>> lowLinks(LinkFollower.java:132) [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.followLinks(LinkFollower.java:53) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.resource.BaseBackendResource.fo >>> llow(BaseBackendResource.java:412) [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.resource.DisksResource.doList(DisksResource.java:222) >>> [restapi-definition.jar:] >>> at sun.reflect.GeneratedMethodAccessor407.invoke(Unknown >>> Source) [:1.8.0_181] >>> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> [rt.jar:1.8.0_181] >>> at java.lang.reflect.Method.invoke(Method.java:498) >>> [rt.jar:1.8.0_181] >>> at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvoke >>> OnTarget(ResourceMethodInvoker.java:510) [resteasy-jaxrs-20-3.5.1.Final >>> .jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget >>> AfterFilter(ResourceMethodInvoker.java:401) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeO >>> nTarget$0(ResourceMethodInvoker.java:365) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.interception.PreMatchContainerReques >>> tContext.filter(PreMatchContainerRequestContext.java:361) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget >>> (ResourceMethodInvoker.java:367) [resteasy-jaxrs-20-3.5.1.Final >>> .jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:339) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTarge >>> tObject(ResourceLocatorInvoker.java:137) [resteasy-jaxrs-20-3.5.1.Final >>> .jar:3.5.1.Final] >>> at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:100) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:441) >>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>> ... 96 more >>> Caused by: java.lang.IllegalStateException: Problem fetching >>> 'statistics' from Disk >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:219) >>> [restapi-jaxrs.jar:] >>> at org.ovirt.engine.api.restapi.resource.utils.LinkFollower.fetchData(LinkFollower.java:182) >>> [restapi-jaxrs.jar:] >>> ... 114 more >>> Caused by: java.lang.NullPointerException >>> >>> Any thoughts on this? >>> >>> Thanks, >>> Hari >>> >>> >>> DISCLAIMER - *MSysTechnologies LLC* >>> >>> This email message, contents and its attachments may contain >>> confidential, proprietary or legally privileged information and is intended >>> solely for the use of the individual or entity to whom it is actually >>> intended. If you have erroneously received this message, please permanently >>> delete it immediately and notify the sender. If you are not the intended >>> recipient of the email message,you are notified strictly not to >>> disseminate,distribute or copy this e-mail.E-mail transmission cannot be >>> guaranteed to be secure or error-free as Information could be intercepted, >>> corrupted, lost, destroyed, incomplete or contain viruses and >>> MSysTechnologies LLC accepts no liability for the contents and integrity of >>> this mail or for any damage caused by the limitations of the e-mail >>> transmission. >>> >>> >>> _______________________________________________ >>> Users mailing list -- users(a)ovirt.org >>> To unsubscribe send an email to users-leave(a)ovirt.org >>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >>> oVirt Code of Conduct: https://www.ovirt.org/communit >>> y/about/community-guidelines/ >>> List Archives: https://lists.ovirt.org/archiv >>> es/list/users(a)ovirt.org/message/C7IH6KXS5XAE2UTM4DLRVYSJPNZVOVIT/ >>> >>> >> > DISCLAIMER - *MSysTechnologies LLC* > > This email message, contents and its attachments may contain > confidential, proprietary or legally privileged information and is intended > solely for the use of the individual or entity to whom it is actually > intended. If you have erroneously received this message, please permanently > delete it immediately and notify the sender. If you are not the intended > recipient of the email message,you are notified strictly not to > disseminate,distribute or copy this e-mail.E-mail transmission cannot be > guaranteed to be secure or error-free as Information could be intercepted, > corrupted, lost, destroyed, incomplete or contain viruses and > MSysTechnologies LLC accepts no liability for the contents and integrity of > this mail or for any damage caused by the limitations of the e-mail > transmission. > >

Can you please share full engine log? Also, what is your engine's version? *Regards,* *Shani Leviim* On Mon, Aug 27, 2018 at 10:23 AM, Hari Prasanth Loganathan < hariprasanth.l(a)msystechnologies.com&gt; wrote: > Hi Shani, > > Thanks for your response, But I need to get the disk statistics of all > the VM's. > Only for this > > * /ovirt-engine/api/disks?follow=statistics* > I get this error. > > Thanks, > Hari > > > On Mon, Aug 27, 2018 at 12:31 PM, Shani Leviim <sleviim(a)redhat.com&gt; > wrote: > >> Hi Hari, >> In case you want the statistics of all the VM's disks, send this request: >> >> GET /ovirt-engine/api/vms/123?follow=disk_attachments.disk.statistics >> >> >> >> >> *Regards,* >> >> *Shani Leviim* >> >> On Sun, Aug 26, 2018 at 6:24 PM, Hari Prasanth Loganathan < >> hariprasanth.l(a)msystechnologies.com&gt; wrote: >> >>> >>> I want to get disk statistics of all disks. >>> Not just one disk. >>> >>> >>> >>> On Sun, 26 Aug 2018 at 1:25 PM, Shani Leviim <sleviim(a)redhat.com&gt; >>> wrote: >>> >>>> Hi Hari, >>>> According to [1], it seems that the command's syntax is: >>>> >>>> GET /ovirt-engine/api/disks/123/statistics >>>> >>>> Can you give it a try? >>>> Thanks >>>> >>>> [1] http://ovirt.github.io/ovirt-engine-api-model/4.3/#types/dis >>>> k/links/statistics >>>> >>>> >>>> *Regards,* >>>> >>>> *Shani Leviim* >>>> >>>> On Fri, Aug 17, 2018 at 11:19 AM, Hari Prasanth Loganathan < >>>> hariprasanth.l(a)msystechnologies.com&gt; wrote: >>>> >>>>> Hi Team, >>>>> >>>>> I try to get the disk statistics using the following >>>>> *Url: * >>>>> >>>>> * /ovirt-engine/api/disks?follow=statistics* >>>>> >>>>> and I get the following error in oVirt, >>>>> >>>>> 2018-08-17 15:34:24,663+08 ERROR [io.undertow.request] (default >>>>> task-815) UT005023: Exception handling request to >>>>> /ovirt-engine/api/v4/disks: java.lang.RuntimeException: >>>>> org.jboss.resteasy.spi.UnhandledException: >>>>> java.lang.IllegalStateException: Problem following 'statistics' link >>>>> in Disks entity. >>>>> at io.undertow.servlet.spec.Reque >>>>> stDispatcherImpl.forwardImpl(RequestDispatcherImpl.java:245) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.spec.Reque >>>>> stDispatcherImpl.forwardImplSetup(RequestDispatcherImpl.java:147) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.spec.Reque >>>>> stDispatcherImpl.forward(RequestDispatcherImpl.java:111) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.api.restapi.i >>>>> nvocation.VersionFilter.doFilter(VersionFilter.java:180) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.i >>>>> nvocation.VersionFilter.doFilter(VersionFilter.java:98) >>>>> [restapi-jaxrs.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.api.restapi.i >>>>> nvocation.CurrentFilter.doFilter(CurrentFilter.java:117) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.i >>>>> nvocation.CurrentFilter.doFilter(CurrentFilter.java:72) >>>>> [restapi-jaxrs.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.core.aaa.filt >>>>> ers.RestApiSessionMgmtFilter.doFilter(RestApiSessionMgmtFilter.java:78) >>>>> [aaa.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.core.aaa.filt >>>>> ers.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:42) [aaa.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.core.aaa.filt >>>>> ers.SsoRestApiNegotiationFilter.doFilter(SsoRestApiNegotiationFilter.java:84) >>>>> [aaa.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.core.aaa.filt >>>>> ers.SsoRestApiAuthFilter.doFilter(SsoRestApiAuthFilter.java:47) >>>>> [aaa.jar:] >>>>> at io.undertow.servlet.core.Manag >>>>> edFilter.doFilter(ManagedFilter.java:61) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at io.undertow.servlet.handlers.F >>>>> ilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) >>>>> [undertow-servlet-2.0.9.Final.jar:2.0.9.Final] >>>>> at org.ovirt.engine.core.aaa.filt >>>>> ers.SessionValidationFilter.doFilter(SessionValidationFilter.java:59) >>>>> [aaa.jar:] >>>>> >>>>> >>>>> Caused by: java.lang.IllegalStateException: Problem following >>>>> 'statistics' link in Disks entity. >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.fetchData(LinkFollower.java:185) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.followLink(LinkFollower.java:144) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.followLinks(LinkFollower.java:132) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.followLinks(LinkFollower.java:53) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.BaseBackendResource.follow(BaseBackendResource.java:412) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.resource. >>>>> DisksResource.doList(DisksResource.java:222) >>>>> [restapi-definition.jar:] >>>>> at sun.reflect.GeneratedMethodAccessor407.invoke(Unknown >>>>> Source) [:1.8.0_181] >>>>> at sun.reflect.DelegatingMethodAc >>>>> cessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>>>> [rt.jar:1.8.0_181] >>>>> at java.lang.reflect.Method.invoke(Method.java:498) >>>>> [rt.jar:1.8.0_181] >>>>> at org.jboss.resteasy.core.Method >>>>> InjectorImpl.invoke(MethodInjectorImpl.java:140) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:510) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:401) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceMethodInvoker.lambda$invokeOnTarget$0(ResourceMethodInvoker.java:365) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.interc >>>>> eption.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:361) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:367) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceMethodInvoker.invoke(ResourceMethodInvoker.java:339) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:137) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Resour >>>>> ceLocatorInvoker.invoke(ResourceLocatorInvoker.java:100) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> at org.jboss.resteasy.core.Synchr >>>>> onousDispatcher.invoke(SynchronousDispatcher.java:441) >>>>> [resteasy-jaxrs-20-3.5.1.Final.jar:3.5.1.Final] >>>>> ... 96 more >>>>> Caused by: java.lang.IllegalStateException: Problem fetching >>>>> 'statistics' from Disk >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.fetchData(LinkFollower.java:219) >>>>> [restapi-jaxrs.jar:] >>>>> at org.ovirt.engine.api.restapi.r >>>>> esource.utils.LinkFollower.fetchData(LinkFollower.java:182) >>>>> [restapi-jaxrs.jar:] >>>>> ... 114 more >>>>> Caused by: java.lang.NullPointerException >>>>> >>>>> Any thoughts on this? >>>>> >>>>> Thanks, >>>>> Hari >>>>> >>>>> 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