在 APEX 的页面内执行 AJAX 进程时,我从 ORDS 收到以下错误:
An unexpected error with the following message occurred: For input string: ""
我用于打印对 HTTP 流的响应的代码是:
DECLARE
L_HTTP_STATUS NUMBER;
L_HTTP_REASON_PHRASE VARCHAR2(32767);
BEGIN
-- ...
APEX_JSON.INITIALIZE_OUTPUT(
P_HTTP_HEADER => FALSE,
P_INDENT => 4
);
OWA_UTIL.MIME_HEADER(
CCONTENT_TYPE => 'application/json',
BCLOSE_HEADER => FALSE,
CCHARSET => NULL
);
OWA_UTIL.STATUS_LINE(
NSTATUS => L_HTTP_STATUS,
CREASON => L_HTTP_REASON_PHRASE,
BCLOSE_HEADER => TRUE
);
APEX_JSON.OPEN_OBJECT();
-- ...
APEX_JSON.CLOSE_OBJECT();
END;
尽管它似乎没有任何问题,但我仍然收到错误消息。