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InternalError on query of empty database

Hi, I have reasons for sometimes trying to query the database before anything has been created. The problem is the database throws a InternalException when that happens. Is it possible to throw something that identifies that that is the issue, say something like "MissingSchemaException", ie

License Activation Change and Checking Activation

your computer MAC address. Using MAC address as a machine identifier is a common practice in software

Objectdb Doctor

and testing can help in identifying failures. If the Doctor reports broken references - the information

Mismatch client-server protocol prefix

the problem by returning some of the services to the old implementation, until you can identify

What algorithm in find()

object in that cache has to be checked against an old image to identify updates automatically

Problem with distinct select, order by and equivalent alias/attribute path

order to identify the order expression as equivalent to the projection. Unfortunately

virtual servers and one file

." appears. I have attached a RAR archive with more logs. I hope this helps to identify the problem. Priiiiil

Handling deleted references

() { if (profile == null) { // or whatever check to identify previously deleted Entity instances profile

reading from table gives Unexpected exception

the information in this stack trace is not sufficient to identify the problem. Note, however, that many


of the database? What is the size of the page cache, as specified in the configuration. Can you identify

Getting Started

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Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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