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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
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com.sun.mail.util.MailLogger is part of JavaMail API. It is already included in EE environment (that's why you can use it on your live server), but it is not included in SE environment.
Oracle docs:
The JavaMail API is available as an optional package for use with Java
SE platform a...
What is the difference between Hibernate and Spring Data JPA
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size_t vs. uintptr_t
The C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Spring - @Transactional - What happens in background?
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Difference between using Throwable and Exception in a try catch
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By catching Throwable it includes things that subclass Error. You should generally not do that, except perhaps at the very highest "catch all" level of a thread where you want to log or otherwise handle absolutely everything that can go wrong. It wou...
How to save and restore multiple different sessions in Vim?
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What's “requestCode” used for on PendingIntent?
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How to Test a Concern in Rails
...st a Struct in your solution) may or may not behave like a real class that includes your concern. Additionally if you're trying to test model concerns, you won't be able to do things like test the validity of objects or invoke ActiveRecord callbacks unless you set up the database accordingly (becaus...
What is included in JCenter repository in Gradle?
...own packages
through JCenter? You can link your package by clicking the "Include My
Package" button. And if you're into legacy, you can even synchronize
your packages directly to Maven Central.
Also I find a good compare at https://www.jfrog.com/knowledge-base/why-should-i-use-jcenter-over-m...