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I have generated the files by using JHipster and currently I am trying to call a query which involves a Date variable but am getting a failed conversion.
The following is my typescript file method which provide the criteria query for the search.
loadSearchPage(page?: number): void {
const pageToLoad: number = page || this.page;
this.transactionService
.query({
page: pageToLoad - 1,
size: this.itemsPerPage,
sort: this.sort(),
'transStartDate.equals': new Date()
.subscribe(
(res: HttpResponse<ITransaction[]>) => this.onSuccess(res.body, res.headers, pageToLoad),
() => this.onError()
It then calls for the query method within the transaction.
query(req?: any): Observable<EntityArrayResponseType> {
const options = createRequestOption(req);
return this.http
.get<ITransaction[]>(this.resourceUrl, { params: options, observe: 'response' })
.pipe(map((res: EntityArrayResponseType) => this.convertDateArrayFromServer(res)));
The following is the default JHipster convertDateArrayFromServer method that was provided.
protected convertDateArrayFromServer(res: EntityArrayResponseType): EntityArrayResponseType {
if (res.body) {
res.body.forEach((transaction: ITransaction) => {
transaction.transStartDate = transaction.transStartDate ? moment(transaction.transStartDate) : undefined;
transaction.transEndDate = transaction.transEndDate ? moment(transaction.transEndDate) : undefined;
return res;
I have tried researching on methods to work around it and also tried out the following however the request level file that was generated from JHipster had a very different structure and I wasn't able to modify it accordingly to this webpage: https://www.baeldung.com/spring-date-parameters
Would kindly seek an assistance for a workable solution to the following error that was thrown.
"Failed to convert property value of type 'java.lang.String' to
required type 'java.time.LocalDate' for property
'transStartDate.equals'; nested exception is
org.springframework.core.convert.ConversionFailedException: Failed to
convert from type [java.lang.String] to type [java.time.LocalDate] for
value 'Fri Dec 03 2021 09:22:35 GMT 0800 (Singapore Standard Time)';
nested exception is java.lang.IllegalArgumentException: Parse attempt
failed for value [Fri Dec 03 2021 09:22:35 GMT 0800 (Singapore
Standard Time)]
The backend does not understand the JavaScript date string you are passing, the easiest solution is to use JHipster's date/time library of choice (dayjs or momentjs in older versions).
import * as moment from 'moment';
// ...
'transStartDate.equals': moment()
// ...
import * as dayjs from 'dayjs';
// ...
'transStartDate.equals': dayjs()
// ...
This should in theory return all the Transaction
that have a transStartDate
equal to the current date.
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