Ravichandra C's List: java

• you cannot use ajc to add advice to precompiled classes.

• To this end, the "key" for each pair in a wire-format message is actually two values – the field number from your .proto file, plus a wire type that provides just enough information to find the length of the following value.
• To this end, the "key" for each pair in a wire-format message is actually two values – the field number from your .proto file, plus a wire type that provides just enough information to find the length of the following value.

• JMX imposes some naming restrictions; for instance, MBean interface names must end with MBean, and the MBean class for the FooMBean interface must be called Foo

• Retrieval operations (including get) generally do not  block, so may overlap with update operations (including  put and remove). Retrievals reflect the results  of the most recently completed update operations holding  upon their onset

• each start message appears twice
• When suspend() is called on RetryContinuation, it throws a special runtime exception -- RetryRequest -- which propagates out of the servlet and back through the filter chain and is caught in SelectChannelConnector
• ContinuationServlet's pause occurs outside of the servlet in SelectChannelConnector
• The suspend()/resume() pair is key to implementing a real Comet-style service using Continuations
• The solution to the first of these issues is the isPending() method.

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