ivy.repo.save recursive Error

Question

Hi Comunity,

When i use the ivy.repo.save to save my business data. I got an error as below:

java.lang.StackOverflowError JsonMappingException: Infinite recursion (StackOverflowError) (through reference chain: java.util.ArrayList[0]->ch.ivyteam.ivy.security.internal.Role["users"]->ch.ivyteam.ivy.persistence.client.PersistentClientObjectList[0]->ch.ivyteam.ivy.security.internal.User["allRoles"]->.....

IvyRuntimeException: com.fasterxml.jackson.databind.JsonMappingException: Infinite recursion (StackOverflowError) (through reference chain: java.util.ArrayList[0]->ch.ivyteam.ivy.security.internal.Role["users"]->ch.ivyteam.ivy.persistence.client.PersistentClientObjectList[0]->ch.ivyteam.ivy.security.internal.User["allRoles"].....

IvyScriptMethodInvocationException: Error calling method save(Object) on an object of class ch.ivyteam.ivy.business.data.store.internal.BusinessDataRepositoryImpl.

IvyScriptRuntimeException: IvyScript Runtime Exception in
    Instruction:
        ivy.repo.save(in.groundwaterProtectionZones)

Could any one help me to explain why it happen and how to solve it? Thanks

Accepted Answer

You are trying to persist a collection of ivy-core user objects. And these are long recursive trees. Which even lead to a stack overflow if you try to serialize them.

However, normally this happens by an accident when designing your Data. And I'd simply remove that object from the object tree before serializing. I didn't test it but think that either by removing 'persist' flags on the DataClass or if you are persisting a normal java object, just mark the field and it's getters with @JsonIgnore. See https://dev.axonivy.com/doc/8.0/designer-guide/data-modeling/business-data.html#field-without-get-setter

ivy.repo.save recursive Error

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