c# - Jira post error - expecting comma to separate OBJECT entries -


i trying use below code create new project issue in jira,

using using system.text; using system.net.http; using system.json; using system.web.script.serialization;  namespace test {     class class1     {         public void createissue()         {             string message = "hai \"!hello\" ";             string data = "{\"fields\":{\"project\":{\"key\":\"tp\"},\"summary\":\"" + message +    "\",\"issuetype\":{\"name\": \"bug\"}}}";             system.net.http.httpclient client = new system.net.http.httpclient();             client.defaultrequestheaders.expectcontinue = false;             client.timeout = timespan.fromminutes(90);             byte[] crdential = utf8encoding.utf8.getbytes("adminname:adminpassword");             client.defaultrequestheaders.authorization = new system.net.http.headers.authenticationheadervalue("basic", convert.tobase64string(crdential));             client.defaultrequestheaders.accept.add(new system.net.http.headers.mediatypewithqualityheadervalue("application/json"));                  system.net.http.httpcontent content = new stringcontent(data, encoding.utf8, "application/json");             try             {                 client.postasync("http://localhost:8080/rest/api/2/issue",content).continuewith(requestask=>                 {                     try                     {                         httpresponsemessage response = requestask.result;                         response.ensuresuccessstatuscode();                         response.content.readasstringasync().continuewith(readtask =>                         {                             var out1 = readtask.result;                         });                     }                     catch (exception exception)                     {                         console.writeline(exception.stacktrace.tostring());                         console.readline();                     }                 });             }             catch (exception exc)             {             }         }     } }

it throws error below:

"{\"errormessages\":[\"unexpected character ('!' (code 33)): expecting comma separate object entries\n @ [source: org.apache.catalina.connector.coyoteinputstream@1ac4eeea; line: 1, column: 52]\"]}"

but use same json file in firefox poster , have created issue.

json file : {"fields":{"project":{"key":"tp"},"summary":"hai \"!hello\" ",\"issuetype\":{\"name\": \"bug\"}}}"

so, what's wrong code?

there appear issues escaping quotation marks.

here pretty-printed version of data variable after initialized:

{     "fields":{         "project":{             "key":"tp"         },         "summary":"hai "!hello" ",         "issuetype":{             "name": "bug"         }     } }

the error message says unexpected character ('!')...was expecting comma.... looking @ pretty-printed string, reason error becomes clear:

"summary":"hai "!hello" ",

the json interpreter used jira parses text this:

"summary":"hai " ⇐ trailing quotation mark ends "summary" value ! ⇐ json expects comma here hello" ",

in c# code, have this:

string message = "hai \"!hello\" ";

the quotation mark before exclamation mark escaped backslash. however, escapes quotation mark c# compiler. when c# compiler done it, backslash gone. embed quotation mark in json string, backslash followed quotation mark needed:

string message = "hai \\\"!hello\\\" ";

to avoid lot of gotchas related json formatting, highly recommend using microsoft's javascriptserializer class. class provides safe, fast way create valid json:

using system; using system.collections.generic; using system.web.script.serialization;  namespace jsontests {     class program     {         static void main(string[] args)         {             string message = "hai \"!hello\" ";              var project = new dictionary<string, object>();             project.add("key", "tp");              var issuetype = new dictionary<string, object>();             issuetype.add("name", "bug");              var fields = new dictionary<string, object>();             fields.add("project", project);             fields.add("summary", message);             fields.add("issuetype", issuetype);              var dict = new dictionary<string, object>();             dict.add("fields", fields);              javascriptserializer serializer = new javascriptserializer();             string json = serializer.serialize((object)dict);             console.writeline(json);         }     } }

result:

{"fields":{"project":{"key":"tp"},"summary":"hai \"!hello\" ","issuetype":{"name":"bug"}}}

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