I changed the codes to the following:
.........
qPostings.declareParameters("int id");
try {
List<Postings> res = (List<Postings>)qPostings.execute
(new Long("5492"));
..........
but it doesn't still work.
is it GAE server's fault?
On Jul 9, 2:41 am, looking <[email protected]> wrote:
> PersistenceManager pm = PMF.get().getPersistenceManager();
> Query qPostings = pm.newQuery(Postings.class);
>
> qPostings.setFilter("account_id == id");
> qPostings.declareParameters("Integer id");
> try {
> List<Postings> res = (List<Postings>)qPostings.execute(5492);
> if(res.iterator().hasNext()) {
> for(Postings e : res) {
> out.print(e.getAccountId() + "<br />");
> }
> }
> else {
> out.print("no results");
> }
> }
> finally {
> qPostings.closeAll();
> }
>
> pm.close();
>
> the above is my codes.
> when I runhttp://lookingforfour.appspot.com/in the IE, this error
> occurs:
> Error: Server Error
> The server encountered an error and could not complete your request.
>
> If the problem persists, please report your problem and mention this
> error message and the query that caused it.
>
> BTW,
> when I do a search in datastore of the admin console, and GQL is
> "SELECT * FROM Postings WHERE account_id = 5492", it works.
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