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EAR Files
Most AppServers unpack before deploying contents
Many Appservers will check to see which jars (especially ejb jars) have been changed before redeploying jar (ex. Orion, JBoss)
Deploying Jars in an Ear helps EJB Container keep classes synchronized across jars.
If large file being copied over network, copy to another extension, then rename
- many deployment scanners get confused with half-copied files, crashing the AppServer and forcing a restart
Notes: