Synchronization Issue in Synapse Hot Deployment Implementation
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Key: SYNAPSE-660
URL: https://issues.apache.org/jira/browse/SYNAPSE-660
Project: Synapse
Issue Type: Bug
Affects Versions: NIGHTLY
Reporter: Hiranya Jayathilaka
Assignee: Hiranya Jayathilaka
Fix For: 2.0
The Axis2SynapseController calls the following method to load any custom
mediator extensions (.xar files) deployed to the server:
configurationContext.getAxisConfiguration().getConfigurator().loadServices();
When hot deployment is enabled, the above call will start a timer task to
handle hot update events for the custom extensions. This task is in addition to
the task initiated by the Axis2 engine when the configuration context is
created. Both these tasks will share a single RepositoryListener instance thus
running into all kinds of race conditions. As a result the server encounters
many issues related to hot deployment and hot update at runtime. Some artifacts
will be undeployed and deployed for no reason. Sometimes artifacts will be
deployed without first undeploying them.
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