Not sure if I've experienced an intermittent but severe defect, or if I did
something wrong when attempting this yesterday.
I followed the exact same steps today, and the new instance *did*
successfully join. Either I'm wrong, and I actually did something
differently yesterday, or this is an intermittent defect and a big bummer.
I'll keep trying to reproduce.
Here is the log output from one of the instances that was already in the
cluster when the new one joined:
**************************
09.01.2017 16:20:36.062 *INFO*
[DocumentDiscoveryLiteService-BackgroundWorker-[1]]
org.apache.jackrabbit.oak.plugins.document.DocumentDiscoveryLiteService
doCheckView: view has changed from: a ClusterView[valid=true, viewSeqNum=2,
clusterViewId=ae406105-3c77-4498-b8fc-1557b012d46d, activeIds=1,2,
recoveringIds=null, inactiveIds=null] to: a ClusterView[valid=true,
viewSeqNum=3, clusterViewId=ae406105-3c77-4498-b8fc-1557b012d46d,
activeIds=1, recoveringIds=null, inactiveIds=2] - sending event...
09.01.2017 16:20:36.063 *INFO*
[DocumentDiscoveryLiteService-BackgroundWorker-[1]]
org.apache.jackrabbit.oak.plugins.document.DocumentDiscoveryLiteService
checkView: view changed from: a
ClusterView[{"seq":2,"final":true,"id":"ae406105-3c77-4498-b8fc-1557b012d46d","me":1,"active":[1,2],"deactivating":[],"inactive":[]}],
to: a
ClusterView[{"seq":3,"final":false,"id":"ae406105-3c77-4498-b8fc-1557b012d46d","me":1,"active":[1],"deactivating":[2],"inactive":[]}],
hasInstancesWithBacklog: true
09.01.2017 16:20:37.168 *INFO* [Thread-31]
org.apache.sling.discovery.impl.DiscoveryServiceImpl enqueueForAll: sending
PROPERTIES_CHANGED to all listeners (oldView=TopologyViewImpl
[current=false, super.hashCode=1259039663, instances=[an
InstanceDescription[slindId=3d4f31d9-b3ba-4e32-aa10-36ef150a37f0,
isLeader=true, isOwn=true,
clusterViewId=20a0797b-e957-4b8e-845b-9b9e0b6a246d,
properties={org.apache.sling.instance.endpoints=,
org.apache.sling.event.jobs.consumer.topics=/,com/composum/sling/core/pckgmgr/PackageJobExecutor,com/composum/sling/core/script/GroovyJobExecutor,org/apache/sling/event/impl/jobs/tasks/HistoryCleanUpTask,sling/webconsole/test,
org.apache.sling.instance.name=Instance
3d4f31d9-b3ba-4e32-aa10-36ef150a37f0,
org.apache.sling.instance.description=Instance with id
3d4f31d9-b3ba-4e32-aa10-36ef150a37f0 and run modes [oak_mongo, oak]}], an
InstanceDescription[slindId=cc9e3513-8f6c-460d-b27e-dd3844aa629d,
isLeader=false, isOwn=false,
clusterViewId=20a0797b-e957-4b8e-845b-9b9e0b6a246d,
properties={org.apache.sling.instance.endpoints=,
org.apache.sling.event.jobs.consumer.topics=/,com/composum/sling/core/pckgmgr/PackageJobExecutor,com/composum/sling/core/script/GroovyJobExecutor,org/apache/sling/event/impl/jobs/tasks/HistoryCleanUpTask,sling/webconsole/test,
org.apache.sling.instance.name=Instance
cc9e3513-8f6c-460d-b27e-dd3844aa629d,
org.apache.sling.instance.description=Instance with id
cc9e3513-8f6c-460d-b27e-dd3844aa629d and run modes [oak_mongo, oak]}]]],
newView=TopologyViewImpl [current=true, super.hashCode=238080023,
instances=[an
InstanceDescription[slindId=3d4f31d9-b3ba-4e32-aa10-36ef150a37f0,
isLeader=true, isOwn=true,
clusterViewId=20a0797b-e957-4b8e-845b-9b9e0b6a246d,
properties={org.apache.sling.instance.endpoints=,
org.apache.sling.event.jobs.consumer.topics=/,com/composum/sling/core/pckgmgr/PackageJobExecutor,com/composum/sling/core/script/GroovyJobExecutor,org/apache/sling/event/impl/jobs/tasks/HistoryCleanUpTask,sling/webconsole/test,
org.apache.sling.instance.name=Instance
3d4f31d9-b3ba-4e32-aa10-36ef150a37f0,
org.apache.sling.instance.description=Instance with id
3d4f31d9-b3ba-4e32-aa10-36ef150a37f0 and run modes [oak_mongo, oak]}], an
InstanceDescription[slindId=cc9e3513-8f6c-460d-b27e-dd3844aa629d,
isLeader=false, isOwn=false,
clusterViewId=20a0797b-e957-4b8e-845b-9b9e0b6a246d,
properties={org.apache.sling.instance.endpoints=,
org.apache.sling.event.jobs.consumer.topics=/,org/apache/sling/event/impl/jobs/tasks/HistoryCleanUpTask,sling/webconsole/test,
org.apache.sling.instance.name=Instance
cc9e3513-8f6c-460d-b27e-dd3844aa629d,
org.apache.sling.instance.description=Instance with id
cc9e3513-8f6c-460d-b27e-dd3844aa629d and run modes [oak_mongo, oak]}]]]).
09.01.2017 16:20:37.171 *INFO*
[DocumentDiscoveryLiteService-BackgroundWorker-[1]]
org.apache.jackrabbit.oak.plugins.document.DocumentDiscoveryLiteService
checkView: view changed from: a
ClusterView[{"seq":3,"final":false,"id":"ae406105-3c77-4498-b8fc-1557b012d46d","me":1,"active":[1],"deactivating":[2],"inactive":[]}],
to: a
ClusterView[{"seq":3,"final":true,"id":"ae406105-3c77-4498-b8fc-1557b012d46d","me":1,"active":[1],"deactivating":[],"inactive":[2]}],
hasInstancesWithBacklog: false
***************************
From there onward, the log file is just the normal shut-down logs as OSGI
unregisters bundles and the servlet container shuts down.
--
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