Controller extention error

Question

hi,
in PFR
OAApplicationModule am=(OAApplicationModule)pageContext.getRootApplicationModule();
OAViewObject localHvrRoDcsvo= (OAViewObject)am.findViewObject("HvrRoDcsVO1");
OAViewObject localVocPrimeDiagCodesBVO= (OAViewObject)am.findViewObject("VocPrimeDiagCodesBVO1");
OADBTransaction oaDBTxn=am.getOADBTransaction();
String strRepairLineId = (String)oaDBTxn.getValue("csdRepairLineId");
HvrRoDcsVORowImpl localHvrRoDcsVORowImpl = null;
VocPrimeDiagCodesBVORowImpl localVocPrimeDiagCodesBVORowImpl=null;
if ((pageContext.getParameter("SaveBtn") != null) ||(pageContext.getParameter("ApplyBtn") != null))
localHvrRoDcsvo.executeQuery();
RowSetIterator iter=localHvrRoDcsvo.createRowSetIterator("iter");
iter.reset();
while(iter.hasNext())
Row row=iter.next();
String str1=(String)row.getAttribute("Applicable");
if("Y".equals(str1))
localVocPrimeDiagCodesBVO.executeQuery();
RowSetIterator iter1=localVocPrimeDiagCodesBVO.createRowSetIterator("iter1");
iter1.reset();
while(iter1.hasNext())
Row row1=iter1.next();
if(row1.getAttribute("RoDiagnosticCodeId").toString().equals(row.getAttribute("RoDcId").toString()))
MessageToken[] tokens2 = null;
throw new OAException("CSD","Diagnostic code present in Primary Diagcode...",tokens2,OAException.WARNING,null);
else
MessageToken[] tokens = null;
throw new OAException("CSD","Diagnostic code not selected as Primary Diagcode...",tokens,OAException.WARNING,null);
iter1.closeRowSetIterator();
iter.closeRowSetIterator();
i am getting nullpointer Exception at
localHvrRoDcsvo.executeQuery();
help me

Answer 1

Hi, Annop of the VO
the query
SELECT
dcb.diagnostic_code dc_code,
dctl.name dc_name,
dctl.description dc_desc,
dcb.diagnostic_code_id dc_id,
ro.ro_diagnostic_code_id ro_dc_id,
ro.repair_line_id repair_line_id,
'Y' applicable,
ro.diagnostic_item_id,
mtl.concatenated_segments diagnostic_item_name,
mtl.description diagnostic_item_desc,
nvl(freq.frequency, 0) frequency
FROM
csd_diagnostic_codes_b dcb,
csd_diagnostic_codes_tl dctl,
csd_ro_diagnostic_codes ro,
mtl_system_items_kfv mtl,
csd_dc_frequency_v freq
WHERE trunc(sysdate) BETWEEN nvl(trunc(dcb.active_from),trunc(sysdate))
AND nvl(trunc(dcb.active_to), trunc(sysdate))
AND dcb.diagnostic_code_id = ro.diagnostic_code_id
AND dcb.diagnostic_code_id = dctl.diagnostic_code_id
AND dctl.language = userenv('LANG')
AND mtl.inventory_item_id = ro.diagnostic_item_id
AND mtl.organization_id = cs_std.get_item_valdn_orgzn_id
AND ro.repair_line_id = :1
AND ro.diagnostic_item_id = freq.diagnostic_item_id(+)
AND ro.diagnostic_code_id = freq.diagnostic_code_id (+)
AND freq.ro_inventory_item_id(+) = :2
UNION
SELECT distinct
dcb.diagnostic_code dc_code,
dctl.name dc_name,
dctl.description dc_desc,
dcb.diagnostic_code_id dc_id,
null ro_dc_id,
null repair_line_id,
'N' applicable,
items.inventory_item_id diagnostic_item_id,
items.concatenated_segments diagnostic_item_name,
items.description diagnostic_item_desc,
nvl(freq.frequency, 0) frequency
FROM
csd_diagnostic_codes_b dcb,
csd_diagnostic_codes_tl dctl,
mtl_system_items_kfv items,
csd_dc_frequency_v freq
WHERE trunc(sysdate) BETWEEN nvl(trunc(dcb.active_from),trunc(sysdate))
AND nvl(trunc(dcb.active_to), trunc(sysdate))
AND dcb.diagnostic_code_id = dctl.diagnostic_code_id
AND dctl.language = userenv('LANG')
AND items.inventory_item_id = :3
AND freq.diagnostic_item_id (+) = :4
AND freq.diagnostic_code_id (+) = dcb.diagnostic_code_id
AND freq.ro_inventory_item_id (+) = :5
AND (dcb.diagnostic_code_id not in
( SELECT
ro2.diagnostic_code_id
FROM
csd_diagnostic_codes_b dcb2,
csd_ro_diagnostic_codes ro2
WHERE trunc(sysdate) BETWEEN nvl(trunc(dcb2.active_from),trunc(sysdate))
AND nvl(trunc(dcb2.active_to), trunc(sysdate))
AND dcb2.diagnostic_code_id = ro2.diagnostic_code_id
AND ro2.diagnostic_item_id = items.inventory_item_id
AND ro2.repair_line_id = :6
AND items.organization_id = cs_std.get_item_valdn_orgzn_id
AND (dcb.diagnostic_code_id in
( SELECT DISTINCT
dom1.diagnostic_code_id
FROM
csd_dc_domains_v dom1
WHERE dom1.category_set_id =
fnd_profile.value('CSD_DEFAULT_CATEGORY_SET')
AND dom1.category_id in
( SELECT DISTINCT
cat.category_id
FROM
mtl_item_categories_v cat
WHERE cat.inventory_item_id = items.inventory_item_id
OR
dcb.diagnostic_code_id in
( SELECT distinct
dom2.diagnostic_code_id
FROM
csd_dc_domains_v dom2
WHERE dom2.inventory_item_id = items.inventory_item_id
plzzz help me out anoop