toJson issue

[Guy Katz]

Hi;

I am trying to serialize to json some objects I do not ahve contrl over.

I pump into this when trying to serialize some root with many properties and sub objects... any help would be great:

trace:
"

Exception in thread "main" java.lang.reflect.InaccessibleObjectException: Unable to make field private int java.sql.Timestamp.nanos accessible: module java.sql does not "opens java.sql" to unnamed module @31525ed3
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
        at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:178)
        at java.base/java.lang.reflect.Field.setAccessible(Field.java:172)
        at com.google.gson.internal.reflect.UnsafeReflectionAccessor.makeAccessible(UnsafeReflectionAccessor.java:44)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:159)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:102)
        at com.google.gson.Gson.getAdapter(Gson.java:489)
        at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:56)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245)
        at com.google.gson.Gson.toJson(Gson.java:735)
        at com.google.gson.Gson.toJson(Gson.java:714)
        at com.google.gson.Gson.toJson(Gson.java:669)
        at com.google.gson.Gson.toJson(Gson.java:649)
        at com.example.App.main(App.java:116)

"

[Éamonn McManus]

Have you checked the Troubleshooting Guide?

[Guy Katz]

10x you are correct.

the troubleshhoot guide states this.

creating an exclusion strategy solved this issue for me 

thanks