Comments (5)
Sorry, the JSON missing in "step 1" is inline in "step 3".
Original comment by [email protected]
on 2 Jun 2008 at 11:53
from google-gson.
Also, null values outside of arrays also fail to parse due to a Precondition
failure:
java.lang.IllegalArgumentException: condition failed: false
at com.google.gson.Preconditions.checkArgument(Preconditions.java:39)
at com.google.gson.Preconditions.checkNotNull(Preconditions.java:34)
at
com.google.gson.JsonDeserializationVisitor.<init>(JsonDeserializationVisitor.jav
a:46)
at
com.google.gson.JsonObjectDeserializationVisitor.<init>(JsonObjectDeserializatio
nVisitor.java:37)
at
com.google.gson.JsonDeserializationVisitor.visitChildAsObject(JsonDeserializatio
nVisitor.java:85)
at
com.google.gson.JsonObjectDeserializationVisitor.visitObjectField(JsonObjectDese
rializationVisitor.java:72)
at com.google.gson.ObjectNavigator.navigateClassFields(ObjectNavigator.java:179)
at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:152)
at
com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializa
tionContextDefault.java:75)
at
com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializatio
nContextDefault.java:47)
I'm pretty sure null is a valid JSON type, but even if it's not, then this
should
throw a ParseError.
Original comment by [email protected]
on 2 Jun 2008 at 5:12
from google-gson.
null is a valid JSON type as per JSON spec
(http://tools.ietf.org/id/draft-crockford-jsonorg-json-04.txt). I just wrote a
test
(thanks for providing a good example) and this is indeed failing. We will fix
this
and put it in our next release.
Original comment by inder123
on 2 Jun 2008 at 5:51
- Changed state: Started
from google-gson.
Fixed in r90:
http://groups.google.com/group/google-gson-codereviews/browse_thread/thread/ec69
ab8bcddfa3da
Actually, well designed Json should just omit the field instead of passing
nulls.
However, Gson should handle the case as well, and that is why we have now added
support for it.
Original comment by inder123
on 2 Jun 2008 at 7:37
- Changed state: Fixed
from google-gson.
Revised the fix. See:
http://groups.google.com/group/google-gson-codereviews/browse_thread/thread/1507
840c6b401a0c
Original comment by inder123
on 2 Jun 2008 at 8:11
from google-gson.
Related Issues (20)
- Should support custom serializers for map keys HOT 4
- please add support for getter method HOT 1
- Permit type data in the serialized JSON HOT 7
- Unbearable when toJson a long string(1M) HOT 2
- Gson should provide a way to configure order for field navigation HOT 5
- Not able to deserialize. HOT 2
- Not able to deserialize. HOT 3
- support java.sql.Date and Timestamp types HOT 6
- Having an inner class gives this error - No-args constructor for B does not exist. HOT 1
- Extend Expose annotation to support classes HOT 3
- Support circular references HOT 18
- Gson should have a way to provide custom exclusion strategies HOT 2
- all should be strings HOT 2
- Error Deserializing objects using fromJson(string, type) HOT 4
- com.google.gson.Gson should be able to toJson JsonElements/JsonObjects HOT 3
- Deserialization/Serialization issue when json is injected via spring annotations HOT 5
- Set formatting style in pretty printing HOT 1
- suggestion: Add @Verification annotation for easy verification of POJO validity HOT 6
- compilation via maven fails due to generics bug in javac HOT 1
- Gson needs a more obust inclusion and exclusion mechanism HOT 3
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