Replication fails on modified objects

[Michael Toback <Mi...@chordiant.com>]

Michael I Toback 
Principal Engineer
Orchestrating Business Processes
Chordiant Software
Cupertino, Ca 95014
(408)-517-6165


We are encountering a strange error with JCS. We have a workaround, but
still are puzzled by it.

We have a lateral cache with two instances. Sometimes when we modified
an object it gets propagated to the other caches, sometimes not.

Here is the scenario, using the above simple object:

1)       Put the Object in the cache with a key of "hello", and inside
the object have test string "I'm here"

2)       See the object get replicated to the other cache

3)       Get the object back from the cache and change the "testStr" in
it to "bye bye"

4)       Re-Put that object into the cache with the same Key

5)       The change to that object does not get replicated. Therefore,
the other server instance of the cache still has the older object
containing "I'm here"

Now modify step 3 by creating a new object and do a shallow clone of the
original object, and in step 4 put the new object in the cache instead.

Our engineering staff speculates that JCS uses "==" instead of ".equals"
to determine if the put changes the object.

Comments?

Michael
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