Handle System.OutOfMemoryException while Parsing String to JObject

Question

How should handle System.OutOfMemoryException exception while parsing a large string which is coming as an API Response.

I am getting this exception while parsing a large string

Exception of type 'System.OutOfMemoryException' was thrown. System.OutOfMemoryException OutOfMemoryException System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at Newtonsoft.Json.Linq.JToken.SetLineInfo(IJsonLineInfo lineInfo, JsonLoadSettings settings)
   at Newtonsoft.Json.Linq.JContainer.ReadContentFrom(JsonReader r, JsonLoadSettings settings)

This is the simple code that I am running.

var jObject= JObject.Parse(responseString);

The exception seems to be rather clear. What is your question? — Klaus Gütter
– Klaus Gütter, Commented Apr 14, 2022 at 11:14
How should I parse a large string that could cause this exception? — S7H
– S7H, Commented Apr 14, 2022 at 11:15
what version of Newtonsoft are you using? I've been having problems with 13 (crashing the whole server). So we went back to 12.0.3 and everything is ok again. see this issue — JHBonarius
– JHBonarius, Commented Apr 14, 2022 at 11:17
is this responseString originally a Stream? if yes, you might be interested to parse the stream directly, see docs. — Bagus Tesa
– Bagus Tesa, Commented Apr 14, 2022 at 11:17
Does this answer your question? Out of memory exception while loading large json file from disk — Martin Bartolomé
– Martin Bartolomé, Commented Apr 14, 2022 at 11:19

elias_prg_gd · Accepted Answer · 2022-04-14 11:14:37Z

0

You should use the StreamRreader class to parse some of the message at a time.

answered Apr 14, 2022 at 11:14

elias_prg_gd

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2 Comments

JHBonarius Over a year ago

this could indeed help: please expand your answer with examples

Cristik Over a year ago

As it’s currently written, your answer is unclear. Please edit to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers in the help center.

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