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Prevent construction of null-valued JsonNodes (like TextNode) #4381

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cowtowncoder opened this issue Feb 13, 2024 · 3 comments
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Prevent construction of null-valued JsonNodes (like TextNode) #4381

cowtowncoder opened this issue Feb 13, 2024 · 3 comments
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3.x Issues to be only tackled for Jackson 3.x, not 2.x

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cowtowncoder commented Feb 13, 2024 •
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Describe your Issue

(note: follow-up to #4378 which is for 2.x)

We should not allow constructing JsonNodes around null, except for explicit NullNode: attempts to do so should throw a JacksonException (DatabindException subtype).
This should be checked for:

  • TextNode
  • BigIntegerNode
  • DecimalNode
  • BinaryNode

There may also be cases where we decide null is appropriate content.
One such type is POJONode.
@cowtowncoder cowtowncoder added the 3.x Issues to be only tackled for Jackson 3.x, not 2.x label Feb 13, 2024
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cc @pjfanning .

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I would include BinaryNode here too.

@cowtowncoder cowtowncoder mentioned this issue Feb 14, 2024
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cowtowncoder commented Feb 14, 2024 •
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@pjfanning Ok I have no strong opinion so sure, why not.

EDIT: BinaryNode included as well.

@cowtowncoder cowtowncoder changed the title Prevent construction of null-valued JsonNodes (like TextNode) in 3.0 Prevent construction of null-valued JsonNodes (like TextNode) Mar 2, 2024
cowtowncoder added a commit that referenced this issue Mar 2, 2024
@cowtowncoder
Fix #4381: add null checks for BigIntegerNode, BinaryNode, DecimalN…
b52dd89 
…ode, TextNode constructors
cowtowncoder added a commit that referenced this issue Mar 2, 2024
@cowtowncoder
Fix #4381: add null checks for BigIntegerNode, BinaryNode, DecimalN…
fb287b6 
…ode, TextNode constructors (#4406)
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