ORA-22290: operation would exceed the maximum number of opened files or LOB

Question

i am getting this error in a procedure.
ORA-22290: operation would exceed the maximum number of opened files or LOBs
22290, 00000, "operation would exceed the maximum number of opened files or LOBs"
// *Cause: The number of open files or LOBs has reached the maximum limit.
// *Action: Close some of the opened files or LOBs and retry the operation.
NAME TYPE VALUE
session_max_open_files integer 10
Procuedure:
CREATE OR REPLACE PROCEDURE WMSOWN."PROC_WMS_XML_READ"
P_EVENT_KEY IN VARCHAR2,
X_STATUS_MSG OUT VARCHAR2,
X_STATUS OUT NUMBER
)AS
l_parser dbms_xmlparser.Parser;
domdoc xmldom.DOMDocument;
nodelist XMLDOM.DOMNODELIST;
node XMLDOM.DOMNODE;
n_child XMLDOM.DOMNODE;
elements XMLDOM.DOMELEMENT;
name_node_map XMLDOM.DOMNAMEDNODEMAP;
parent_seg varchar2(4000);
tag_name_bkp varchar2(4000); -- LOOK OUT BRAD IS CODING AGAIN
chile_seg VARCHAR2(4000);
p_seg VARCHAR2(4000);
p_seg1 VARCHAR2(4000);
p_seg2 VARCHAR2(30);
p_int_name VARCHAR2(50);
col_value VARCHAR2(100):=NULL;
len1 NUMBER;
cnt NUMBER;
seg_id_bkp NUMBER; -- LOOK OUT BRAD IS CODING AGAIN
sequence_bkp NUMBER; -- LOOK OUT BRAD IS CODING AGAIN
prev_sequence NUMBER; -- LOOK OUT BRAD IS CODING AGAIN
prev_seq_set VARCHAR2(3); --brad coding
parent_id number; ---brad coding
valid_seg NUMBER; -- LOOK OUT BRAD IS CODING AGAIN
data_status VARCHAR2(10);
v_main_seg VARCHAR2(50);
v_seq_no NUMBER;
V_CLOBLOCATOR CLOB;
V_FILELOCATOR BFILE;
v_amount_to_load NUMBER;
dest_offset NUMBER := 1;
src_offset NUMBER := 1;
lang_context NUMBER := DBMS_LOB.DEFAULT_LANG_CTX;
warning NUMBER;
v_event_name USR_OUB_FILE_PROCESS_DETAILS.EVENT_NAME%TYPE;
v_file_name USR_OUB_FILE_PROCESS_DETAILS.FILE_NAME%TYPE;
DIRECTORY_PATH_INVALID EXCEPTION;
PRAGMA EXCEPTION_INIT(DIRECTORY_PATH_INVALID,-22285);
NO_PRIVILEGES EXCEPTION;
PRAGMA EXCEPTION_INIT(NO_PRIVILEGES,-22286);
INVALID_DIRECTORY EXCEPTION;
PRAGMA EXCEPTION_INIT(INVALID_DIRECTORY,-22287);
FILE_NOT_FOUND EXCEPTION;
PRAGMA EXCEPTION_INIT(FILE_NOT_FOUND,-22289);
P_DIRECTORY VARCHAR2(50) :='WMS_XML_DIR_OUB';
v_whid poldat_view.wh_id%type;
BEGIN
--NAME :  PROC_WMS_XML_READ.PLS
--DESCRIPTION :
-- Procedure PROC_WMS_XML_READ search XML files from remote location.
-- Open,Parse and Read XML files. Store all XML values into tables.
-- Developed by Dharmesh Patidar(jw782)
-- History: New condition is added i.e. p_seg:=parent_seg to maintain PARENT and CHILD relationship
-- by Vishwanath Dubey(jl246) on 17-June-2011
-- BRAD_XML_DEBUG table removed for CLEANING Activity by DHARMESH PATIDAR(JW782) ON 29-JUNE-2011.
/*BLOCK FOR CAPTURING EVENT NAME BASED ON EVENT ID START*/
BEGIN
SELECT event_name,file_name,WAREHOUSE_ID
INTO v_event_name, v_file_name,v_whid
FROM usr_oub_file_process_details
WHERE event_id=p_event_key
AND process_flag='U';
EXCEPTION
WHEN NO_DATA_FOUND THEN
x_status_msg:=SQLCODE||':'||' Error while selecting event name and event id in Procedure PROC_WMS_XML_READ : Record is not available in USR_OUB_FILE_PROCESS_DETAILS table for event id '|| P_EVENT_KEY;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN TOO_MANY_ROWS THEN
x_status_msg:=SQLCODE||':'||' Error while selecting event name and event id in Procedure PROC_WMS_XML_READ : More than one Records found in USR_OUB_FILE_PROCESS_DETAILS table for event id '|| P_EVENT_KEY;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN VALUE_ERROR THEN
x_status_msg:=SQLCODE||':'||' Error while selecting event name and event id in Procedure PROC_WMS_XML_READ : Varibale length is small or data type mismatch while selecting event id and event name in USR_OUB_FILE_PROCESS_DETAILS table for event id '|| P_EVENT_KEY;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN OTHERS THEN
x_status_msg:=SQLCODE||':'||'Error in Procedure PROC_WMS_XML_READ while selecting event name and event id ';
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
END;
/*BLOCK FOR CAPTURING EVENT NAME BASED ON EVENT ID END*/
/*LOGIC TO READ XML FROM REMOTE LOCATION START*/
DBMS_LOB.CREATETEMPORARY(V_CLOBLOCATOR, TRUE);
V_FILELOCATOR := BFILENAME(P_DIRECTORY,V_FILE_NAME);
DBMS_LOB.OPEN(V_FILELOCATOR,DBMS_LOB.FILE_READONLY);
V_AMOUNT_TO_LOAD := DBMS_LOB.GETLENGTH(V_FILELOCATOR);
DBMS_LOB.LOADCLOBFROMFILE(V_CLOBLOCATOR,
V_FILELOCATOR ,
V_AMOUNT_TO_LOAD,
DEST_OFFSET,
SRC_OFFSET,
0,
LANG_CONTEXT,
WARNING);
dbms_lob.close(V_FILELOCATOR);
/*LOGIC TO READ XML FROM REMOTE LOCATION END*/
/*Temporary Code to help with debug Clear the table before populating it with new data*/
--delete table BRAD_XML_DEBUG;
cnt:=1;
seg_id_bkp:=0;
data_status:='N';
v_seq_no:=0;
prev_seq_set:='NO';
/*create new parser.*/
l_parser := dbms_xmlparser.newParser;
dbms_xmlparser.parseClob(l_parser, replace(V_CLOBLOCATOR,'&','1x2x3x4x5'));
/*Parse the document and create a new DOM document.*/
domdoc :=dbms_xmlparser.getDocument(l_parser);
/* get all elements in the DOM*/
nodelist := XMLDOM.getElementsByTagName(DOMDoc, '*');
len1 := XMLDOM.getLength(nodelist);
/* loop through elements of the DOM */
FOR j in 1..len1-1 LOOP --MAIN LOOP START
BEGIN
/*below sql will fetch Node from table to travel xml data*/
BEGIN
SELECT int_name,tag_name
INTO p_int_name, p_seg1
FROM usr_wms_tag_det
WHERE int_name=v_event_name
AND seq_no =cnt;
EXCEPTION
--PLEASE DO NOT HANDLE ANY EXCEPTION APART MENTIONED BELOW
WHEN OTHERS THEN
NULL;
END;
IF cnt=1 THEN
v_main_seg:=p_seg1;
END IF;
EXCEPTION
--PLEASE DO NOT HANDLE ANY EXCEPTION APART MENTIONED BELOW
WHEN no_data_found THEN
null;
WHEN OTHERS THEN
x_status_msg:=SQLCODE||':'||'Error in Procedure PROC_WMS_XML_READ while selecting interface name and tag name'||sqlerrm;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
END;
/*LOGICS TO READ XML START*/
node:=XMLDOM.item(nodelist, j);
elements:=XMLDOM.makeElement(node);
parent_seg:=(xmldom.getTagName(elements));
tag_name_bkp:=(xmldom.getTagName(elements));
name_node_map:=xmldom.getAttributes(node);
n_child:=xmldom.getFirstChild(node);
col_value:=xmldom.getNodeValue(n_child);
/*get the sequence number from the interface hierarchy table */
SELECT count(1)
INTO valid_seg
FROM usr_wms_tag_det
WHERE int_name=v_event_name
AND tag_name = tag_name_bkp;
if valid_seg>0 then
begin
SELECT seq_no
INTO sequence_bkp
FROM usr_wms_tag_det
WHERE int_name=v_event_name
AND tag_name = tag_name_bkp;
seg_id_bkp:=seg_id_bkp+1;
p_seg:=parent_seg;--Modified by Vishwanath Dubey dated 16-jun-2011
end;
end if;
if prev_seq_set = 'NO' then
begin
prev_sequence := sequence_bkp;
prev_seq_set := 'YES';
end;
end if;
if sequence_bkp < prev_sequence then --you just moved up level(s) in the message structure
begin
select max(seg_id)
into parent_id
from usr_wms_global_xml_det
where seg_sequence = sequence_bkp-1;
prev_sequence := sequence_bkp;
end;
end if;
if sequence_bkp > prev_sequence then --you just moved down a level in the message structure
parent_id := seg_id_bkp-1;
prev_sequence := sequence_bkp;
end if;
/*end getting the hierarchy table sequence */
/*LOGICS TO READ XML END */
IF (parent_seg =p_seg1) or (parent_seg=p_seg2) THEN
if parent_seg=v_main_seg then
v_seq_no:=v_seq_no+1;
end if;
BEGIN
/* INSERTING DATA LOGICS TO READ XML END */
INSERT INTO usr_wms_global_xml_det values(p_int_name,tag_name_bkp,parent_seg,seg_id_bkp,sequence_bkp,parent_id,'','','',J,v_seq_no,data_status,cnt);
EXCEPTION
WHEN OTHERS THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ while inserting records in USR_WMS_GLOBAL_XML_DET table for interface name and parent segment '||P_INT_NAME||','||PARENT_SEG;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
END ;
p_seg:=parent_seg;
p_seg2:=P_SEG1;
cnt:=cnt+1;
ELSE
chile_seg:=parent_seg;
BEGIN
/* INSERTING DATA LOGICS TO READ XML END */
INSERT INTO usr_wms_global_xml_det values(p_int_name,tag_name_bkp,p_seg,seg_id_bkp,sequence_bkp,parent_id,'',chile_seg,replace(TRIM(Col_Value),'1x2x3x4x5','&'),J,v_seq_no,data_status,cnt);
EXCEPTION
WHEN OTHERS THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ while inserting records in USR_WMS_GLOBAL_XML_DET table for interface name and parent segment '||P_INT_NAME||','||PARENT_SEG;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
END;
END IF;
END LOOP; --MAIN LOOP END
dbms_xmldom.freeDocument(DOMDoc);
x_status:=0;
EXCEPTION
WHEN DIRECTORY_PATH_INVALID THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ DIRECTORY PATH IS INVALID';
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN FILE_NOT_FOUND THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ INVALID XML FILE NAME OR FILE DOES NOT EXISTS';
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN NO_PRIVILEGES THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ Insufficient privileges on file or directory NAME- '||p_directory||' to perform FILEOPEN operation.';
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
RETURN;
WHEN OTHERS THEN
x_status_msg:=SQLCODE||' : Error in Procedure PROC_WMS_XML_READ '|| SQLERRM;
x_status:=SQLCODE;
proc_wms_error_trace(v_whid, --warehouse id
null , --event id
v_event_name , --event name
x_status, --error code
x_status_msg ); --error message
dbms_xmlparser.freeParser(l_parser);
dbms_xmldom.freeDocument(DOMDoc);
RETURN;
END PROC_WMS_XML_READ;
Edited by: user13427480 on Feb 8, 2013 7:08 PM

Answer 1

when you post sql statement use also similar threads :
ORA-22290: operation would exceed the maximum number of opened files or LOB
https://kr.forums.oracle.com/forums/thread.jspa?messageID=10842417