[jackson-user] JsonMappingException: Can not resolve PropertyFilter with id

[Amol Fuke]

Hi ,

I have a common bean that I am using in my 2 separate REST calls.Both the 
calls have different output attributes from same bean (i.e CampainBean)

CampaignBean has 3 attributes - id , name and status

Rest Call 1 - needs to show "id" and "name"

Rest Call 2 - Need to show "id","name" and "status"

Rest call 1 controller has this filter -
FilterProvider filters = new 
SimpleFilterProvider().addFilter("campaignBeanFilter",SimpleBeanPropertyFilter.filterOutAllExcept("id","name","status"));

Rest call 2 controller has this filter - 

FilterProvider filters = new 
SimpleFilterProvider().addFilter("campaignBeanFilter",SimpleBeanPropertyFilter.filterOutAllExcept("id","name"));

Rest call 1 works fine but when I hit rest call 2 , it gives following 
exception -

e>com.fasterxml.jackson.databind.JsonMappingException: Can not resolve 
PropertyFilter with id 'campaignBeanFilter'; no FilterProvider configured


Am I missing anything in configuration ?



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[jackson-user] StackOverflowError in deeply nested JSON

[Colin White]

I'm trying to serialize a JSON object that represents a conversation tree. 
Here's the POJO:

class Node {
@JsonProperty("children") private List children;
@JsonProperty("text") private String text;}

Eventually the tree ends with a Node with an empty list of children.

The problem is: serializing a deep tree (say, 50 nodes deep) causes a 
StackOverflowError on Android devices using the Dalvik runtime since it 
only has a 32kb stack size.

Is there any way to avoid using recursion in Jackson? Is there a more 
efficient way to represent my POJO? Will migrating to Jackson Jr. help 
solve my problems? I'm using Jackson 2.7.5.

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Re: [jackson-user] com.fasterxml.jackson.core.JsonParseException: Illegal unquoted character ((CTRL-CHAR, code 10))

[Gregg Freeman]

Thank you very much for the response.  I looked through the defects and 
agree that I didn't see anything related to this.  The Feature setting you 
specified will help us out a ton.

Our environment is pretty "structured" for getting new releases, but we'll 
try to get the patch release.

Thanks again!


On Thursday, June 30, 2016 at 12:25:32 PM UTC-5, Tatu Saloranta wrote:
>
> If content does indeed contain character 10 (Unicode), that is, linefeed, 
> it is prohibited by JSON specification (should be escaped as \n), so the 
> content should be fixed and parser is right to report it.
> This is assuming content does have that; cut'n pasting JSON can not quite 
> tell that, so you'd have to check it.
>
> However it is possible to make parser more lenient by enabling 
> `JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS` to let this violation be 
> skipped and character included as-is during parsing.
>
> So: caller should NOT send such unescaped characters, but you may want to 
> temporarily enable those before sender has been fixed.
>
> Hope this helps,
>
> -+ Tatu +-
>
> ps. Not too that version 2.5.0 is old and there are patch releases, so 
> should at least upgrade to 2.5.5 -- I don't think there are bug fixes 
> relevant to this use case but it's good habit to ensure latest patch is 
> used before checking for bugs
>
>
>
> On Thu, Jun 30, 2016 at 8:55 AM, Gregg Freeman  > wrote:
>
>> We're trying to parse this JSON received from a 3rd party:
>>
>> {
>> "comments": 
>> "\\",
>> "foo": "bar"
>> }
>>
>> However, Jackson (2.5.0) seem to throw the exception in the title.  
>> Should Jackson be able to successfully parse this?
>>
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>
>

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Re: [jackson-user] com.fasterxml.jackson.core.JsonParseException: Illegal unquoted character ((CTRL-CHAR, code 10))

[Tatu Saloranta]

If content does indeed contain character 10 (Unicode), that is, linefeed,
it is prohibited by JSON specification (should be escaped as \n), so the
content should be fixed and parser is right to report it.
This is assuming content does have that; cut'n pasting JSON can not quite
tell that, so you'd have to check it.

However it is possible to make parser more lenient by enabling
`JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS` to let this violation be
skipped and character included as-is during parsing.

So: caller should NOT send such unescaped characters, but you may want to
temporarily enable those before sender has been fixed.

Hope this helps,

-+ Tatu +-

ps. Not too that version 2.5.0 is old and there are patch releases, so
should at least upgrade to 2.5.5 -- I don't think there are bug fixes
relevant to this use case but it's good habit to ensure latest patch is
used before checking for bugs



On Thu, Jun 30, 2016 at 8:55 AM, Gregg Freeman  wrote:

> We're trying to parse this JSON received from a 3rd party:
>
> {
> "comments":
> "\\",
> "foo": "bar"
> }
>
> However, Jackson (2.5.0) seem to throw the exception in the title.  Should
> Jackson be able to successfully parse this?
>
> --
> You received this message because you are subscribed to the Google Groups
> "jackson-user" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to jackson-user+unsubscr...@googlegroups.com.
> To post to this group, send email to jackson-user@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
>

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