Instance Dependent Public Method is not working for Workflow

Hello Experts,
I have made Custom class for a workflow. This class is triggering the WF fine but the problem is while trying to execute a WF task which contains a Instance Dependent & Public method its not working , the WF task is not processing though I'm passing the instance of the class properly from WF to WF task . When I'm changing the method to Static & Public then the workitem is executing perfectly. Can you please help & suggest the way to find the problem ?
Thanks & Regards ,
Jeet

Are you absolutely sure that you have the instance of the object in the workflow container? Open the technical log the see if the object instance is there - or is the container element initial (or "not set")?
yes it is instantiated properly no error over there.
What about if you test the method directly in SE24 (as an instance method)? Is it working then? If you can make it work in SE24 as an instance method and you are sure that the instance exists in the workflow,
I have checked the class in a stand alone run in this case also it runs fine as before.
The obvious question of course is that have you implemented the IF_WORKFLOW interface methods (the two first ones).
it is coded like below
BI_PERSISTENT~FIND_BY_LPOR
create object result
      type
        (lpor-typeid)
      exporting
        ip_key = lpor-instid.
CONSTRUCTOR
   me->m_KEY    = ip_key.
   me->m_por-catid = 'CL'.
   me->m_por-typeid = CL_ZZZ'.
   me->m_por-instid = me->m_key
BI_PERSISTENT~LPOR
result = me->m_por.
Main confusion is Method is working only if declared STATIC & PUBLIC but not for the INSTANCE DEPENDENT & PUBLIC.

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Edited by: Nagendra Prasad on Jan 23, 2010 12:05 AM

In the future, please begin a new thread for a new question and provide a link to a related question.
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http://docs.oracle.com/cd/E11882_01/text.112/e24436/cdatadic.htm#CIHHBAAD
Basic_wordlist attributes:
http://docs.oracle.com/cd/E11882_01/text.112/e24436/cdatadic.htm#g1019326
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Features not available in 11.2.0.3:
http://docs.oracle.com/cd/E11882_01/readmes.112/e22488/toc.htm#BABDGGDB
"Certain Oracle Text functionality based on third-party technologies, including AUTO_LEXER and CTX_ENTITY, have been disabled in this release (reference Bug 12618046). For BASIC_LEXER, the usage of the INDEX_STEMS attribute values that depend on third-party technologies, is also affected. If this impacts an existing application, contact Oracle Support Services for guidance."
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http://docs.oracle.com/cd/E11882_01/text.112/e24436/cdatadic.htm#BHCJEGFJ
I don't work for Oracle, so I don't know why they do things the way they do.
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2 /
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE     11.2.0.1.0     Production
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3 /
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2 /
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8 INTO news (pkey, lang, short_content)
9    VALUES (4, 'en', 'I always drive a car')
10 INTO news (pkey, lang, short_content)
11    VALUES (5, 'en', 'This is nothing')
12 INTO news (pkey, lang, short_content)
13    VALUES (6, 'de', 'Ich fahre ein Fahrrad.')
14 INTO news (pkey, lang, short_content)
15    VALUES (7, 'de', 'Ich fuhr ein Fahrrad.')
16 INTO news (pkey, lang, short_content)
17    VALUES (8, 'de', 'Ich habe ein Fahrrad gefahren.')
18 INTO news (pkey, lang, short_content)
19    VALUES (9, 'de', 'Ich habe immer ein Auto fahren.')
20 INTO news (pkey, lang, short_content)
21    VALUES (10, 'de', 'Es ist nichts.')
22 SELECT * FROM DUAL
23 /
10 rows created.
SCOTT@orcl_11gR2> BEGIN
2    -- word list:
3    ctx_ddl.create_preference ('my_wordlist',   'basic_wordlist');
4    ctx_ddl.set_attribute      ('my_wordlist',   'stemmer',           'auto');
5    -- english lexer:
6    ctx_ddl.create_preference ('english_lexer', 'basic_lexer');
7    -- german lexer:
8    ctx_ddl.create_preference ('german_lexer', 'basic_lexer');
9    ctx_ddl.set_attribute      ('german_lexer', 'composite',       'german');
10    ctx_ddl.set_attribute      ('german_lexer', 'alternate_spelling', 'german');
11    ctx_ddl.set_attribute      ('german_lexer', 'mixed_case',       'no');
12    ctx_ddl.set_attribute      ('german_lexer', 'base_letter',       'yes');
13    -- multi_lexer:
14    ctx_ddl.create_preference ('global_lexer', 'multi_lexer');
15    ctx_ddl.add_sub_lexer      ('global_lexer', 'default',            'english_lexer');
16    ctx_ddl.add_sub_lexer      ('global_lexer', 'german',            'german_lexer');
17 END;
18 /
PL/SQL procedure successfully completed.
SCOTT@orcl_11gR2> create index search_news
2 on news (short_content)
3 indextype is ctxsys.context
4 parameters
5    ('lexer            global_lexer
6       language column lang
7       wordlist       my_wordlist')
8 /
Index created.
SCOTT@orcl_11gR2> EXEC DBMS_STATS.GATHER_TABLE_STATS (USER, 'NEWS')
PL/SQL procedure successfully completed.
SCOTT@orcl_11gR2> COLUMN short_content FORMAT A30
SCOTT@orcl_11gR2> ALTER SESSION SET NLS_LANGUAGE = 'AMERICAN'
2 /
Session altered.
SCOTT@orcl_11gR2> set timing on
SCOTT@orcl_11gR2> select * from news
2 where contains (short_content, '$drive') > 0
3 /
      PKEY LA SHORT_CONTENT
         1 en I drive a bike.
         2 en I drove a bike.
         3 en I have driven a bike.
         4 en I always drive a car
4 rows selected.
Elapsed: 00:00:00.05
SCOTT@orcl_11gR2> select * from news
2 where contains (short_content, '$drove') > 0
3 /
      PKEY LA SHORT_CONTENT
         1 en I drive a bike.
         2 en I drove a bike.
         3 en I have driven a bike.
         4 en I always drive a car
4 rows selected.
Elapsed: 00:00:00.05
SCOTT@orcl_11gR2> ALTER SESSION SET NLS_LANGUAGE = 'GERMAN'
2 /
Session altered.
Elapsed: 00:00:00.01
SCOTT@orcl_11gR2> select * from news
2 where contains (short_content, '$fahr') > 0
3 /
      PKEY LA SHORT_CONTENT
         6 de Ich fahre ein Fahrrad.
         7 de Ich fuhr ein Fahrrad.
         8 de Ich habe ein Fahrrad gefahren.
         9 de Ich habe immer ein Auto fahren
4 rows selected.
Elapsed: 00:00:00.07
SCOTT@orcl_11gR2> select * from news
2 where contains (short_content, '$fuhr') > 0
3 /
      PKEY LA SHORT_CONTENT
         6 de Ich fahre ein Fahrrad.
         7 de Ich fuhr ein Fahrrad.
         8 de Ich habe ein Fahrrad gefahren.
         9 de Ich habe immer ein Auto fahren
4 rows selected.
Elapsed: 00:00:00.16-- script for you to reproduce the demo on your system:
select * from v$version
select value from v$nls_parameters
where parameter = 'NLS_CHARACTERSET'
DROP TABLE news
EXEC CTX_DDL.DROP_PREFERENCE ('my_wordlist')
EXEC CTX_DDL.DROP_PREFERENCE ('global_lexer')
EXEC CTX_DDL.DROP_PREFERENCE ('english_LEXER')
EXEC CTX_DDL.DROP_PREFERENCE ('german_LEXER')
CREATE TABLE news
(pkey           NUMBER,
   lang           VARCHAR2 (2),
   short_content CLOB)
INSERT ALL
INTO news (pkey, lang, short_content)
VALUES (1, 'en', 'I drive a bike.')
INTO news (pkey, lang, short_content)
VALUES (2, 'en', 'I drove a bike.')
INTO news (pkey, lang, short_content)
VALUES (3, 'en', 'I have driven a bike.')
INTO news (pkey, lang, short_content)
VALUES (4, 'en', 'I always drive a car')
INTO news (pkey, lang, short_content)
VALUES (5, 'en', 'This is nothing')
INTO news (pkey, lang, short_content)
VALUES (6, 'de', 'Ich fahre ein Fahrrad.')
INTO news (pkey, lang, short_content)
VALUES (7, 'de', 'Ich fuhr ein Fahrrad.')
INTO news (pkey, lang, short_content)
VALUES (8, 'de', 'Ich habe ein Fahrrad gefahren.')
INTO news (pkey, lang, short_content)
VALUES (9, 'de', 'Ich habe immer ein Auto fahren.')
INTO news (pkey, lang, short_content)
VALUES (10, 'de', 'Es ist nichts.')
SELECT * FROM DUAL
BEGIN
-- word list:
ctx_ddl.create_preference ('my_wordlist',   'basic_wordlist');
ctx_ddl.set_attribute     ('my_wordlist',   'stemmer',            'auto');
-- english lexer:
ctx_ddl.create_preference ('english_lexer', 'basic_lexer');
-- german lexer:
ctx_ddl.create_preference ('german_lexer', 'basic_lexer');
ctx_ddl.set_attribute     ('german_lexer', 'composite',          'german');
ctx_ddl.set_attribute     ('german_lexer', 'alternate_spelling', 'german');
ctx_ddl.set_attribute     ('german_lexer', 'mixed_case',          'no');
ctx_ddl.set_attribute     ('german_lexer', 'base_letter',         'yes');
-- multi_lexer:
ctx_ddl.create_preference ('global_lexer', 'multi_lexer');
ctx_ddl.add_sub_lexer     ('global_lexer', 'default',             'english_lexer');
ctx_ddl.add_sub_lexer     ('global_lexer', 'german',              'german_lexer');
END;
create index search_news
on news (short_content)
indextype is ctxsys.context
parameters
('lexer            global_lexer
    language column lang
    wordlist         my_wordlist')
EXEC DBMS_STATS.GATHER_TABLE_STATS (USER, 'NEWS')
COLUMN short_content FORMAT A30
ALTER SESSION SET NLS_LANGUAGE = 'AMERICAN'
set timing on
select * from news
where contains (short_content, '$drive') > 0
select * from news
where contains (short_content, '$drove') > 0
ALTER SESSION SET NLS_LANGUAGE = 'GERMAN'
select * from news
where contains (short_content, '$fahr') > 0
select * from news
where contains (short_content, '$fuhr') > 0
/

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