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PowerBuilder® 9: Internet and Distributed Application Development by John D. Olson, Bill Green

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Instantiating Components

Most component instantiation failures are the result of coding errors or problems in the server environment. PowerBuilder clients (or other EAServer components making intercomponent calls) usually initiate component instantiation via the Lookup or CreateInstance functions. Both methods are available on the Connection object for client access and on the TransactionServer object for intercomponent calls. The lower-level JaguarORB object can also be used to access EAServer and instantiate components via the base CosNaming techniques.

Establishing Server Connectivity

Error 57 (see Table 17.3) can also occur as a return code from the CreateInstance or Lookup functions on the Connection object, usually indicating a coding error ...

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