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Today I switched from HV 5.0.1 to 5.2.1 and happily enough to know that it was claimed to be a drop-in replacement for all 5.x versions, I started my code and WOW! My code throws NPE at our initial system validations with this stack trace:
{code:java}
java.lang.NullPointerException
at org.hibernate.validator.internal.engine.ValueContext.appendNode(ValueContext.java:131)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:539)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:490)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:454)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:406)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraint(ValidatorImpl.java:770)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraints(ValidatorImpl.java:656)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:415)
at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:204)
{code}
Working a little bit on the issue, I could manage to reproduce it in a simple unit test that I've attached. I repeat it here for the sake of description.
Suppose that we have these simple classes:
{code:java}
public class MainBean
{
@Valid
public TopBean child;
}
public class TopBean
{
@NotNull
private String getProperty()
{
return null;
}
}
public class BottomBean extends TopBean
{
}
{code}
If I want to validate an instance of the {{ MainBean who }} which has an instance of {{ BottomBean }} as its child filed , the mentioned stack trace pops out exception occurs !
I searched the issue database to find that HV-975 has already reported this same issue, but since there has been no test cases, the issue was resolved with "Cannot Reproduce". As I could not reopen the issue, I decided to report it here since I think it is a downside to a very reliable library.
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