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When you deploy a study, you may find its status showing as 'Processing' on the 'Manage Studies' page hours or even days later (see screenshot below with study status highlighted in red). The status may remain stuck like this indefinitely, regardless of how fast your caIntegrator server is.
Answer
The most common cause of this problem is an out of memory error caused by limited heap space in the Java Virtual Machine on the JBoss server instance running caIntegrator. If a study deployment fails due to this error, caIntegrator does not notify the user explicitly and instead logs the error in the server.log file located at the following path:
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