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Java Open Clients
Handling Errors : General ABL exceptions : Exception class hierarchy
 

Exception class hierarchy

The ABL exceptions classes are shown hierarchically, in the following example:
java.lang.Exception
   com.progress.common.exception.ProException
      com.progress.open4gl.Open4GLException
         com.progress.open4gl.BusySessionException
         com.progress.open4gl.ConnectException
            com.progress.open4gl.BadURLException
            com.progress.open4gl.ConnectFailedException
            com.progress.open4gl.HostUnknownException
            com.progress.open4gl.InvalidNameServerPortException
            com.progress.open4gl.MsgVersionInvalidException
            com.progress.open4gl.NameServerCommunicationsException
            com.progress.open4gl.NameServerInterruptException
            com.progress.open4gl.NameServerMessageFormatException
            com.progress.open4gl.NoSuchAppServiceException
         com.progress.open4gl.OutputSetException
         com.progress.open4gl.RunTime4GLException
            com.progress.open4gl.RunTime4GLErrorException
            com.progress.open4gl.RunTime4GLQuitException
            com.progress.open4gl.RunTime4GLStopException
         com.progress.open4gl.SystemErrorException