Jinmei Liao commented on GEODE-1986:
"This suggests the joining member (server) must enable cluster config in order
to pick up the security configuration"
No, they don't have to "enable" cluster config, they just have to "use" cluster
config, which are two different configurations.
If a locator is secured but does not have cluster config service running, a
server can connect to it as long as it has correct credentials. At that point,
we do no check if their security settings are matched up. It will totally up to
the person starting them up to make sure they use the same security settings to
protect their data.
> The Cluster Configuration Service must absolutely not be required to run
> Key: GEODE-1986
> URL: https://issues.apache.org/jira/browse/GEODE-1986
> Project: Geode
> Issue Type: Bug
> Components: configuration
> Reporter: John Blum
> Assignee: Jinmei Liao
> Priority: Critical
> Labels: ClusterConfig, ClusterConfigurationService
> Attachments: App.java
> A bug was introduced in Geode when the logic to fetch the Cluster
> Configuration meta-data from the Locator in the cluster by a joining member
> was refactored into it's own
> causing the following issues...
> 1. First, and foremost, the _Cluster Configuration_ service is now, seemingly
> no longer *optional* (hence, _required_), which is both short sighted and too
> restrictive, and will break existing [embedded Geode application]
> deployments, particularly in situations where GemFire config, and especially,
> _Gfsh_ were not used to configure the cluster, which will be true when users
> upgrade existing clusters based on an earlier versions of Apache Geode
> (namely GemFire < v7.0, once GemFire 9 is based on Apache Geode) and as well
> as _Spring_ applications.
> This change is apparent from the removal of the [conditional check on the
> Geode System property
> which is no longer present [here
> or possibly [here
> 2. This does not work in the embedded Locator case. If a user configures a
> peer Cache using the following in his/her application...
> ... = new CacheFactory()
> .set("name", "Example")
> .set("start-locator", "localhost")
> And another members joins, the logic in (2) above, will fail with...
> Caused by: org.apache.geode.GemFireConfigException: cluster configuration
> service not available
> at org.apache.geode.cache.CacheFactory.create(CacheFactory.java:181)
> at org.apache.geode.cache.CacheFactory.create(CacheFactory.java:231)
> ... 42 more
> Caused by:
> Unable to retrieve cluster configuration from the locator.
> ... 47 more
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