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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and IDs in the DB. My application works fine with them up to I try to launch it in debug mode in eclipse. Upon reading it in debug mode I got this exception: com.objectdb.o.UserException: Failed
I have a class A, that contains a LinkedHashSet of another class named B. When I try to fetch that hash set, it returns a null pointer. BUT, when I run the program in debug mode, it works fine ... . In debug mode, by examining the set you load the data before closing the EntityManager. Read
about this functionality in context of debugging and logging. Because of that, I'm for single line query with embedded values. lwalkowski Lukasz Walkowski
Is there a way to show what queries are actually being executed from within a Java class? I'm getting the exception: Exception in thread "main" [ObjectDB 2.5.4_05] javax.persistence.NonUniqueResultException However, I'm unable to debug it because I don't know what the query's actually searching
logging levels are: "fatal" "error" "warning" "info" "trace" "debug"
stackoverflow big sur eclipse debug
for backup purposes and for debugging (by providing the ability to reproduce problems by replay ... " operations (which modify the database) have to be recorded. For debugging of query failure
. Less (and more simple) code to write, debug and test, as well as a much easier learning curve leads
the recorded operations. It enables reproducing problems during debugging by repeating a failure. Backup
and debugging. Therefore, these are the most commonly used features of the Explorer. Opening a Local