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AccessControlException connecting to a MySQL database (Dev Portal)
I'm trying to connect to an external MySQL database. The following exception is thrown when I'm trying to get the connection. WARN resource.jdbc.connectionpool database connection failed; will retry: java.sql.SQLException: Unable to connect to any hosts due to exception: java.security.AccessControlException: access ...
Other labels: kb-sbb-developer, kb-database
Are SBB CMP fields of the root sbb available on all nodes in the cluster? (Dev Portal)
we deploy a replicated service then will all SBB CMP fields of the root sbb be available on all nodes in the cluster? So, for example, if an activity is started on one node and a second activity is subsequently started on another node then, assuming the the initial events ...
Other labels: sbb-developer
Can an RA selectively fire an event to a particular service? (Dev Portal)
possible to configure the SLEE so that events from an RA entity are only delivered to one service? For example, we wanted to have three separate services that would receive events from three different RA entities. We thought ...
Other labels: sbb-developer
Can an SBB abstract class extend another class? (Dev Portal)
Can an SBB abstract class extend another class? Is there a design issue if I have three SBB's, such as BaseSbb implements the interface {{javax.slee.Sbb}}, ASbb extends BaseSbb and BSbb extends ASbb? In this case there is only one real SBB class ...
Other labels: sbb-developer
Can an SBB entity create multiple Null activities? (Dev Portal)
Can an SBB entity create multiple Null activities? Yes, the SLEE provides standard factory objects for creating Null Activities and Activity Contexts, there is no limit to how many may be created
Other labels: sbb-developer
Can an SBB pool prepared statements? (Dev Portal)
possible for an SBB to pool prepared statements when using a DataSource that has been configured in rhinoconfig.xml. Does Rhino pooling only apply to Statement objects and not to PreparedStatement objects?   The short answer is no, you can't. Any statements you create ...
Other labels: sbb-developer
Can an SBB store an ACI in a CMP field? (Dev Portal)
Can an SBB store an ACI in a CMP field? JSLEE 1.0 does not allow an SBB to store an ACI into a CMP field. However, JSLEE 1.1 does allow this. The method {{getActivities}} of the {{SbbContext}} class can also ...
Other labels: sbb-developer, slee_1_1
Can I store a null ACI in a CMP field in SLEE1.0? (Dev Portal)
We are trying to use a null ACI in a CMP field but we are getting a serialization error.   You cannot store a NullActivity ACI directly in a CMP field in SLEE 1.0. There are some portable ways of retrieving this ACI. You could use the AC ...
Can I use a singleton class to allow different instances of an SBB to access common data? (Dev Portal)
Can I use a singleton class to allow different instances of an SBB to access common data? You certainly can do this. I would take care with using statics and singletons in general though. You really should be careful ...
Other labels: sbb-developer
Can the custom name define which SBB attached to an activity receives a specific event? (Dev Portal)
Author bsd I have two SBB entities (with different custom names) attached to the same activity. If I deliver an event on that activity with an ID used for the custom name creation equal to just one of the entities is it normal to deliver ...
Other labels: kb-sbb-developer
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