| Exception | Description |
|---|---|
| ApiUsageException |
Alerts a user to a misuse of an Omero method call.
|
| AuthenticationException |
Invalid username and/or credential provided.
|
| ConcurrencyException |
Error due to simultaneous access of some resource.
|
| DatabaseBusyException |
No connections are currently available for the database.
|
| ExpiredCredentialException |
Correct username and credentials provided, but credentials expired.
|
| GroupSecurityViolation |
Extension of
SecurityViolation which signifies that the violation
in question goes against the group-based permissions introduced in 4.2. |
| InternalException |
Catchall for unknown server exceptions.
|
| LockTimeout |
Server could not acquire necessary lock.
|
| MissingPyramidException | |
| OptimisticLockException |
Signifies that another user has updated or deleted a given object, more
specifically a query of the form : "<action> where id = ? and version = ?"
applied to no rows.
|
| OverUsageException |
More specific
ApiUsageException, in
that the current use of the OMERO API could overwhelm the server and has been blocked. |
| PermissionMismatchGroupSecurityViolation |
Extension of
GroupSecurityViolation signalling that an object
has a permission which does not match the group permissions. |
| ReadOnlyGroupSecurityViolation |
Extension of
GroupSecurityViolation signalling that an admin or
group owner has tried to make a modification in a private group OR that
the member of a read-only group has tried to do the same. |
| RemovedSessionException |
Client attempted to access a session which has either
expired or been closed manually. |
| ResourceError |
Represents a incorrectible/unforseeable event within the server that lead to
a failure of a process.
|
| RootException |
abstract superclass of all Omero exceptions.
|
| SecurityViolation |
User does not have permissions to perform given action.
|
| SessionException |
Base session related exception.
|
| SessionTimeoutException |
The given session has expired and can no longer be used.
|
| TryAgain |
Background processing necessary to process the request.
|
| ValidationException |
More specific
ApiUsageException, in
that the specification of your data as outlined in the OME specification is
incorrect. |
It is intended that no exceptions not subclassing RootException will escape the server. A last ditch effort will be made to wrap any unknown exception in an InternalException.
Due to networking issues, this will not always be possible, and the client should deal with all non-Omero exceptions as OutOfService exceptions.
RootException