Metacat

If the event string is null, we will skip this log in the getLog method.

Add the code to check if we can't get the current system metadata from the node in the mn.systemMetadataChanged method.
If we can't find it, an InvalidRequest will be thrown.

Fixed a bug that a client can set the original member node to be null.

Change some exceptions from the InvalidSystem to the InvalidRequest in the updateSystemMetadata method.

rollback: set session.subject so libclient can look up certificate. Seems like the default behavior may have changed?

set session.subject so libclient can look up certificate. Seems like the default behavior may have changed?

use the TypeFactory to convert the Log and ObjectFormatList objects from the v2 to v1.

In the setReplicaStatus method, if the coming status is the same one of the existing one, the system metadata will not be updated.

Fixed some incorrect exceptions in the getReplica method.

In the isAdminAuthorized method, the faiure of the isNodeAdmin method will not interrupt the next check - if it is a cn.