Metacat

Use the "MNRead" to replace "MNStorage" to determine the version of the MN.

Change an exception to more appropriate exception.

Add more checks to avoid a null exception.

Add more debug statement for deleting.

Add some information about pid on the log statement.

Add a comment.

Removing xml_access table records now is in the removing the pid from hazelcast. So remove the dupicated code.

Check if the object and sysmeta are null before to get the inputstream object.

Clear the code for the method handleInsertOrUpdate.

The deleteSystemmetadata method will delete the records on xml_access as well.