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1. Deploy an application which doesn't contain Magnolia Workflow with jBPM6, for example Magnolia 5.2.2 or Magnolia 5.3 without the Workflow module.
2. In the deployment target location, replace the deployed webapp with a new webapp that contains workflow with jBPM6

Mac OS X 10.5 - Leopard

If you use Mac OS X 10.5 or 10.6, you should update to at least 10.5.8 or 10.6.2. Earlier versions cause issues where, when two or more instances are started in the same container, some or all connections are dropped.

The symptoms are that Tomcat is unreachable ("kCFErrorDomainCFNetwork:302") but no log message clearly identifies the issue. Sometimes pages can be loaded but resources cannot, leading to missing images or stylesheets. Another symptom is that you have to kill the Tomcat process to stop it (-HUP works) because the shutdown script cannot reach the running process either. See MAGNOLIA-1959 for more details and comment on your own experience.

Too many open files

The embedded Derby database, an option that can be used instead of the H2 database, opens several file handles and may run over the maximum limit set by the system. This issue can occur on some Linux and OS X systems such as Macbook Air.

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