Runtime Warnings

At runtime SAT issues warning messages when it believes that a bundle is misbehaving in some fashion.

A bundle should be transient or uninstallable: A bundle can choose to be automatically uninstalled once it has started, or uninstalled when its last dependent bundle has been uninstalled. These uninstall policies are mutually exclusive, therefore the a bundle should not override both isUninstallable() and isTransient().
```
> SAT Core Warning: A bundle should be transient or uninstallable, not both.
> Class: <Class-Name>
> Source: <Bundle-SymbolicName>
```

Failed to acquire service matching the filter...: If a bundle fails to acquire an imported service because a service matching its specified filter could not be found this warning is issued to help understand why the bundle has not been activated:
```
> SAT Core Warning: Failed to acquire service matching the filter <Filter>.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>
```

Failed to find META-INF/METADATA.XML: When subclassing ManagedServiceFactoryBundleActivator, to create a bundle that registers a ManagedServiceFactory, the resource META-INF/METADATA.XML must be found in the bundle. When this resource does not exist this warning message is issued.
```
> SAT Core Warning: Failed to find required resource META-INF/METADATA.XML.
> Source: <Bundle-SymbolicName>
```

Failed to find properties file: If a bundle's properties file cannot be found in either the current directory or as a resource in the package containing the bundle's activator, one of the following warnings is issued.

> SAT Core Warning: Failed to find properties file.
> Filename: <Properties-Filename>
> Source: <Bundle-SymbolicName>

> SAT Core Warning: Failed to find properties resource.
> Resource: <Properties-Filename>
> Source: <Bundle-SymbolicName>

Failed to get imported service: When the method getImportedService(String) returns null the following warning message is issued:

> SAT Core Warning: Failed to get the imported service.  Also check that the method
  getImportedServices() returns the correct service names.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>

In additional, if the receiver is both a BaseBundleActivator and an implementor of IManagedServiceFactoryAdvisor, the following warning is also issued:

> SAT Core Warning: Failed to get the imported service.  The receiver of the method
  getImportedService(String) is a subclass of BaseBundleActivator and an implementor of
  IManagedServiceFactoryAdvisor, did you intend the receiver to be an IBundleActivationManager?
  Also check that the method getImportedServiceNames(String, Dictionary, Dictionary,
  IBundleActivationManager) returns the correct service names.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>

LDAP filter contains questionable whitespace: SAT warns against LDAP filters that contain whitespace. Where possible it is worth avoiding whitespace in LDAP filters since it can be a cause of ambiguity.
```
> SAT Core Warning: LDAP filter contains questionable whitespace - <Filter>.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>
```

The method handleAcquiredImportedService() should have been overridden: When all the imported services are not required and the method requiresAllImportedServices() has been overridden to return false it is necessary to also override the method handleAcquiredImportedService(Object).
```
> SAT Core Warning: The method handleAcquiredImportedService() should have been overridden.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>
```

The method handleReleasedImportedService() should have been overridden: When all the imported services are not required and the method requiresAllImportedServices() has been overridden to return false it is necessary to also override the method handleReleasedImportedService().
```
> SAT Core Warning: The method handleReleasedImportedService() should have been overridden.
> Service: <Service-Name>
> Source: <Bundle-SymbolicName>
```