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Related Labels: kb-sbb-developer, kb-resource-adaptors, kb-networking, kb-performance, pending_review, needs-rewording, kb-security, kb-classloading, kb-rhino-management, kb-entry, kb-ra-development, kb-sip-ra, slee-dev-tools, kb-licensing, kb-jain-slee, kb-snmp, kb-installation, ulticom, kb-core-general, more »

What is the difference between Derby and Postgres? (Dev Portal)
Please explain the use of Derby and Postgres in the SDK and Production versions of Rhino. Derby is a Java filebased DB that runs embedded in the same JVM as Rhino itself. Derby does not provide network access so it is not suitable for clustered environment. It also does ...
Other labels: kb-database, kb-entry
What is the functionality of the quorum node? (Dev Portal)
What is exactly the functionality of the quorum node? Does it collect the information on the other cluster nodes status or it does take some actions (for example when a node fails)? Is it necessary to have a quorum node in a cluster? A quorum node is a lightweight cluster node ...
Other labels: kb-clustering, kb-entry
What is the likely cause of a LocalMemoryDatabase lock timeout? (Dev Portal)
During stability tests we've encountered the following problem: INFO memdb.lockmanager LocalMemoryDatabase ========= Lock timeout ========= The service does not use database connection (the only database used in this case by Rhino is related to its main working memory). The problem does not depend ...
Other labels: kb-core-general, kb-database, kb-entry
What is the Rhino strategy with SNMP? (Dev Portal)
What is the Rhino strategy with SNMP? Is there an MBean Server with Rhino where an SNMP agent can run? How can it be accessed from the SBBs? How does it perform the raise and clear? As the SBBs do not have a state they would need ...
Other labels: kb-rhino-management, kb-entry
What is the sequence for upgrading my Services? (Dev Portal)
Please can you advise on the following scenario: We have two services that both rely on a the same library component. This library components contains a class that both services share using an ACI that is stored in the ActivityContext naming facility. If the structure ...
Other labels: kb-rhino-management, kb-entry
Why am I unable to undeploy a RA? (Dev Portal)
Why am I unable to undeploy a RA? Rhino console output: "Resource adaptor entity MyRA moved to deactivating state." The most likely cause is that there are still live activities that were created by the RA. The SLEE will not move the RA to INACTIVE until ...
Other labels: kb-rhino-management, kb-ra-development, kb-resource-adaptors, kb-entry
Why can't I start Rhino 1.4.5 if a particular RA throws an exception? (Dev Portal)
Why can't I start Rhino 1.4.5 if a particular RA throws an exception? This was by design, as Rhino won't let a node start and process work if it can't form part of the single system image. In Rhino 2.x, which implements the SLEE ...
Other labels: kb-installation, kb-core-general, kb-entry
Why does Rhino prevent me connecting to a socket from a SBB? (Dev Portal)
Why does Rhino prevent me connecting to a socket from a SBB, even when java.net.SocketPermission is granted in ocsbbjar.xml? Or is such communication only possible within a RA? I was wondering if Web Service access is possible from Rhino, and if so, how? If given ...
Other labels: kb-security, kb-entry
Why do nodes randomly leave the cluster without any obvious reason? (Dev Portal)
Author rbrunton Why do nodes randomly leave the cluster without any obvious reason? All I see in the logs are: 20120707 22:31:22.477 ERROR \watchdog\ <Global watchdog thread> Watchdog Failure has been notified ...
Other labels: kb-clustering, kb-entry
Why is endpointActivation not being called on my Resource Adaptor? (Dev Portal)
I have developed a Resource Adaptor. However, Rhino never calls endpointActivation on it. The most likely cause is the SLEE is not in the RUNNING state. Production Rhino (ie a multinode cluster) enters the STOPPED state by default unless: # told to start via a management ...
Other labels: kb-clustering, kb-core-general, kb-entry
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