Differentiate the types of DSo Objects

Hi Friends,
can u pls differentiate the standard,wtrite optimised and direct dso objects. in wat scenarios we should use the different types of dso objects.
thanks
kumar

please check in SDN before posting

Similar Messages

[svn:bz-trunk] 11030: Tweak the deserialization of ASObjects to treat an empty string for the type of an object as null .

Revision: 11030
Author:   [email protected]
Date:     2009-10-20 11:35:02 -0700 (Tue, 20 Oct 2009)
Log Message:
Tweak the deserialization of ASObjects to treat an empty string for the type of an object as null. It appears that there is some logic in the LC remoting code that relies on a non-null class name to always exist. This change reverts to the old behavior of not allowing empty string as a value for the ASObject.namedType.
This should fix bug 2448442 and its duplicates caused by the recent serialization changes.
I don't think this is the perfect fix. Pending further investigation, a better fix would be either:
a. If it's OK to assume that empty string should always mean null for the type of the ASObject, the code that enforces it should be in the setter/getter inside ASObject and not in the deserializer.
b. ASObject doesn't guarantee that a named type exists or is valid. In that sense an empty string is as bad as some random characters that cannot be a valid class name in java, so depending on how disruptive it may be, the fix should be in any logic that uses ASObject.getType().
Modified Paths:
    blazeds/trunk/modules/core/src/flex/messaging/io/amf/AbstractAmfInput.java

Hi Pavan,
"In your payload there is no namespace prefix for the elements under PayloadHeader element."
Yes, you are right - but this message is standard AQ Adapter Header message - it's not defined by me. I just used message which was automatically added to my project when I have defined AQ Adapter.
"In your process is the default namespace is same as namespace value of tns ??"
Do you mean targetNamespace? If yes it's different as it points to process "targetNamespace="http://xmlns.oracle.com/PF_SOA_jws/PF_APPS/APPS_PROCESS" (names of application and process have changed as I try different ways to do that)
ns1 is: xmlns:ns1="http://xmlns.oracle.com/pcbpel/adapter/aq/PF_SOA/PF_APPS/PO_AQ"
"another thing is tns and ns1 should have same values.."
When I create a variable of header type, namespace ns1 is automatically created for it. I set it as property of receive activity. When process is instantiated on the serwer I get the error in which you can see that namespace is tns.
Maybe I'm doing something wrong but I don't see how I could fix this in my process.
You can see that the message I get on the server has nothing in common with the application/project/process names. Is it possible to define such variable?
Regards
Pawel
PS:
In Transformation xsl file, both variables (source and target) has tns namespace for Header and PayloadHeader, and no namespace for subfields.
Edited by: pawel.fidelus on 2010-01-05 02:37

Differences between the types of DSO's and DTP's

Hi Friends,
1. pls help me in telling different types of DSO's and their differences?
2. pls help me in telling different types of DTP's and their differences?
Thanks in Advance.
Jose Reddy

Hi,
Please check :
1. pls help me in telling different types of DSO's and their differences?
There are three types of DSO in BI 7.0........
Standard DSO
It consists of three tables.......activation queue,active table,and change log table.....It is completly integrated in the staging process.....Using change log table means that all changes are also written and are available as delta uploads for connected data targets.......
Write optimized DSO
It is integrated for warehouse level of architecture..........and has the advantage of quicker loads.has only active data table .(with delta capture capability) ...... SIDs are not generated
Check this :
http://www.biportal.org/Default.aspx?pageId=90410&mode=PostView&bmi=17541
Direct update DSO
It consists of active data table only. This means it is not easily integrated in the staging process...SIDs are not generated ......This DSO type is filled using API and can be read via BAPI......It is generally use for external application and APD...
Also check this :
http://help.sap.com/saphelp_nw04s/helpdata/en/f9/45503c242b4a67e10000000a114084/content.htm
2. pls help me in telling different types of DTP's and their differences?
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/10339304-7ce5-2c10-f692-fbcd25915c36
-Vikram

How to find out the type of the object ?

how would i find out the type of an object reference variable ?
it would be nice if there was some sort of getType() method that would return a string to tell me the type of the object -- just for testing purposes

try
Object.getClass().getName();
or just
Object.getClass().toString();
so something like this in your code:
Object obj = new Foo();
System.out.println(""+obj.getClass());
etc.

Type Messages and Objects turned from white to black in PDF

When I exported my Keynote presentation to a PDF the Type Messages and Objects turned from white to black. The display in ”Preview” is ok but in Acrobat PDF Viewer it looks black instead of white. Only happens on some slides. I could not find a reason why this happened. Seemed kind of random to me when it happened. But the error was reproducable unless I rebuild it with new silides.

Can you get the exact wording for that error? Is it can't mount iPod?
Also, make sure iTunes is up to date...
iTunes
Finally, make sure your iPod's battery is charged up.
btabz

How to differentiate the EMPTY Records and Null Values in DSO

Hello....how is everyone here?? Ehehehe!
I try to load some data from the flat file which contains some EMPTY data and Null Values for the records. The data type for the InfoObjects of the fields "Quantity" is "number". The sample data from the flat file (CSV) are as below:
Food              Quantity
Hamburger -       12
Cheese        -       0
Vegetable      -               (Empty)
When I try to load the above sample data to the DSO, I get the results of the data as follow:
Food              Quantity
Hamburger     - 12.000
Cheese           - 0.000
Vegetable         - 0.000
In this case, how can the user differentiate whether the records is contain empty value of null values in DSO? This is kinda of hard to differentiate the both scenarios above. Is there any way to differentiate the scenarios described here?
Thanks alot =)

Hi Fluffy,
It depends on the initial values of the data type
The inital values For quantity/Currency/ Numbers it takes spaces as 0
for char it is SPACE
We cannot differeniate between space and null values.
IF you have to force this then define quantity as char and load the data. we will not have units and aggregation in this case.
Hope this helps.
PV

How to get the type of the object poped from a stack

Hi,
I have a stack which contains Boolean, Integer, MyBean objects.
Now depending on the type of object pop from stack i want to perform the different operations. Right now i m doing it like this:
Object a = stk.pop(); // stk is my stack
if ( a instanceof Object)
else if( a instanceof Boolean)
else
.}but it is not working...........
when i do like this
if(stk.pop() instanceof Boolean)
else
}it works but by this i lost the poped element............ what is the standard way to do such operations.
manish

Are you sure there isn't a cleaner way of doing what you are trying to achieve? You may want to take the opportunity to slightly re-think your design.
However, if you want to proceed down this route, just hold on to the object you popped, and then do the explicit case analysis on that:
Object obj = stack.pop();
if (obj instance of Boolean) {
} else if (obj instance of Integer) {
}Oh yeah, do not have the "instanceof Object" as your first check!
This will return true for any non-null reference (have a look at some java tutorials if you dont know why this is).

How to distinguish the type of object that came in the JMS message.

I have a queue that has 4 different object's being sent through messages across the queue. Depending on the object that comes in I need to determine what process to start. I have created a master project with a single queue listener that will start the master process. Either before the listener starts the master process or after the master process starts in a method I need to figure out the type of object that was contained in that method. In Java its simply if(msg InstanceOf ObjectB), else if (msg InstanceOf ObjectC)....and so forth. What is the way this would be done in ALBPM6.0's fuego code or whatever it is called?

In case you had an ID, which is assigned automagically on emp, this could also be written like this:
create trigger emp_trig
after insert or update or delete on emp
for each row
begin
insert into emp_log values(
:new.empno, :new.ename,
decode(nvl(:old.id,-1),-1,'Insert',decode(nvl(:new.id,-1),-1,'Delete','Update')), sysdate);
end;
..where -1 is a value you do not expect to be propagated ever in id column. Also, :new.empno and :new.enmae will be null if the dml being executed is a delete statement.

How to find the type of objects contained in a Stored Package?

Hello,
I need to populate all the procedures and functions contained in a package. I have rewritten a query like this
"SELECT PROCEDURE_NAME FROM ALL_PROCEDURES WHERE OBJECT_NAME = 'MYPACKAGENAME'
Above Query returns a record, having NULL PROCEDURE_NAME value. Why?
I also want the 'type' of object (stored procedure/function ) contained in the a package.
How to fetch it?
Following query always returns object type 'PACKAGE', which is of no use for me. I want to know if it is stored procedure or function.
SELECT PROCEDURE_NAME, *OBJECT_TYPE* FROM ALL_PROCEDURES WHERE OBJECT_NAME = 'MYPACKAGENAME'
Cheers,
Machhindra

Hi,
Just thinkin Out of Box way... :-
Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.
F:\Documents and Settings\Administrator>sqlplus scott/tiger@service1
SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 26 21:49:03 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> CREATE OR REPLACE PACKAGE emp_mgmt AS
2 FUNCTION hire (last_name VARCHAR2, job_id VARCHAR2,
3     manager_id NUMBER, salary NUMBER,
4     commission_pct NUMBER, department_id NUMBER)
5     RETURN NUMBER;
6 FUNCTION create_dept(department_id NUMBER, location_id NUMBER)
7     RETURN NUMBER;
8 PROCEDURE remove_emp(employee_id NUMBER);
9 PROCEDURE remove_dept(department_id NUMBER);
10 PROCEDURE increase_sal(employee_id NUMBER, salary_incr NUMBER);
11 PROCEDURE increase_comm(employee_id NUMBER, comm_incr NUMBER);
12 no_comm EXCEPTION;
13 no_sal EXCEPTION;
14 END emp_mgmt;
15 /
Package created.
SQL>
SQL> SELECT PROCEDURE_NAME FROM ALL_PROCEDURES WHERE OBJECT_NAME = 'EMP_MGMT';
PROCEDURE_NAME
CREATE_DEPT
HIRE
INCREASE_COMM
INCREASE_SAL
REMOVE_DEPT
REMOVE_EMP
6 rows selected.
Now you requirement
SQL> SELECT PROCEDURE_NAME,A.OBJECT_NAME,OBJECT_TYPE FROM ALL_PROCEDURES A, USER_OBJECTS UO WHERE UO.OBJECT_NAME = A.O
BJECT_NAME AND A.OBJECT_NAME='EMP_MGMT';
PROCEDURE_NAME                 OBJECT_NAME
OBJECT_TYPE
REMOVE_EMP                     EMP_MGMT
PACKAGE
REMOVE_DEPT                    EMP_MGMT
PACKAGE
INCREASE_SAL                   EMP_MGMT
PACKAGE
PROCEDURE_NAME                 OBJECT_NAME
OBJECT_TYPE
INCREASE_COMM                  EMP_MGMT
PACKAGE
HIRE                           EMP_MGMT
PACKAGE
CREATE_DEPT                    EMP_MGMT
PACKAGEIn oder to know the type of Object why don't you simple decribe in order know the Object definition it self.. instead of firing queries...Don't you thinl it easy of use.. !! you will get better Explanation about your Package
SQL> desc EMP_MGMT;
FUNCTION CREATE_DEPT RETURNS NUMBER
Argument Name                  Type                    In/Out Default?
DEPARTMENT_ID                  NUMBER                  IN
LOCATION_ID                    NUMBER                  IN
FUNCTION HIRE RETURNS NUMBER
Argument Name                  Type                    In/Out Default?
LAST_NAME                      VARCHAR2                IN
JOB_ID                         VARCHAR2                IN
MANAGER_ID                     NUMBER                  IN
SALARY                         NUMBER                  IN
COMMISSION_PCT                 NUMBER                  IN
DEPARTMENT_ID                  NUMBER                  IN
PROCEDURE INCREASE_COMM
Argument Name                  Type                    In/Out Default?
EMPLOYEE_ID                    NUMBER                  IN
COMM_INCR                      NUMBER                  IN
PROCEDURE INCREASE_SAL
Argument Name                  Type                    In/Out Default?
EMPLOYEE_ID                    NUMBER                  IN
SALARY_INCR                    NUMBER                  IN
PROCEDURE REMOVE_DEPT
Argument Name                  Type                    In/Out Default?
DEPARTMENT_ID                  NUMBER                  IN
PROCEDURE REMOVE_EMP
Argument Name                  Type                    In/Out Default?
EMPLOYEE_ID                    NUMBER                  IN
SQL>- Pavan Kumar N

The java and sql object type was not matched

My table(Oracle10.2) has a varying arrays column. For mapping to java classes, I use JDeveloper(10.1.3.1.0) to generate java classes. Then I try to insert a record into this varrying arrays column with java. While it always complaints java.sql.SQLException.the java and sql object type was not matched. I can not find the reason.
My java code:
               StructDescriptor structdesc = StructDescriptor.createDescriptor(
                         "VARRAY_SEQ", con);
               int nid=20;
               int pid=546;
               BigDecimal mynid=new BigDecimal(nid);
               mynid=mynid.setScale(0, BigDecimal.ROUND_HALF_UP);
               BigDecimal mypid=new BigDecimal(pid);
               mypid=mypid.setScale(0, BigDecimal.ROUND_HALF_UP);
               Object[] attributes = { "ASDF", mynid, "Developer", mypid,
                         "rwretw" };
               STRUCT Rel = new STRUCT(structdesc, con, attributes);
               stmt.setObject(8, Rel);
               stmt.execute();
               stmt.close();
And the STRUCT is
public RelSeq(String nucl, java.math.BigDecimal neId, String nuor, java.math.BigDecimal pId, String phor) throws SQLException
{ _init_struct(true);
setNucl(nucl);
setNeId(neId);
setNuor(nuor);
setPId(pId);
setPhor(phor);
}

My table(Oracle10.2) has a varying arrays column. For mapping to java classes, I use JDeveloper(10.1.3.1.0) to generate java classes. Then I try to insert a record into this varrying arrays column with java. While it always complaints java.sql.SQLException.the java and sql object type was not matched. I can not find the reason.
My java code:
               StructDescriptor structdesc = StructDescriptor.createDescriptor(
                         "VARRAY_SEQ", con);
               int nid=20;
               int pid=546;
               BigDecimal mynid=new BigDecimal(nid);
               mynid=mynid.setScale(0, BigDecimal.ROUND_HALF_UP);
               BigDecimal mypid=new BigDecimal(pid);
               mypid=mypid.setScale(0, BigDecimal.ROUND_HALF_UP);
               Object[] attributes = { "ASDF", mynid, "Developer", mypid,
                         "rwretw" };
               STRUCT Rel = new STRUCT(structdesc, con, attributes);
               stmt.setObject(8, Rel);
               stmt.execute();
               stmt.close();
And the STRUCT is
public RelSeq(String nucl, java.math.BigDecimal neId, String nuor, java.math.BigDecimal pId, String phor) throws SQLException
{ _init_struct(true);
setNucl(nucl);
setNeId(neId);
setNuor(nuor);
setPId(pId);
setPhor(phor);
}

How to handle the procedure that reutrn object types as out parameter

I have a procedure where it returns object(CREATE OR REPLACE TYPE xyz AS OBJECT) as a OUT parameter.
Now i have to pull the data from this type and need to send the data in excel.
Procedure will fetch data and assign it to object with lot of validations and local parameters variables..
How can i push the data from the out parameter and need to send that in excel..Its an oracle database 10g..

here's a basic example...
SQL> set serveroutput on;
SQL> create or replace type t_obj as object (x number, y number);
2 /
Type created.
SQL> ed
Wrote file afiedt.buf
1 create or replace package mypkg as
2    procedure testit(p_obj out t_obj);
3    procedure callme;
4* end;
5 /
Package created.
SQL> ed
Wrote file afiedt.buf
1 create or replace package body mypkg as
2    procedure testit(p_obj out t_obj) is
3    begin
4      p_obj := t_obj(1,2);
5    end;
6    procedure callme is
7      v_obj t_obj;
8    begin
9      testit(v_obj);
10      dbms_output.put_line('X='||v_obj.x||' Y='||v_obj.y);
11    end;
12* end;
SQL> /
Package body created.
SQL> exec mypkg.callme;
X=1 Y=2
PL/SQL procedure successfully completed.
SQL>

The method clone() from the type Object is not visible

Hi,
This is my 1st post here for a few years, i have just returned to java.
I am working through a java gaming book, and the "The method clone() from the type Object is not visible" appears, preventing the program from running. I understand "clone" as making a new copy of an object, allowing multiple different copies to be made.
The error occurs here
public Object clone() {
 // use reflection to create the correct subclass
 Constructor constructor = getClass().getConstructors()[0];
 try {
 return constructor.newInstance(new Object[] {
 (Animation)left.clone(),
 (Animation)right.clone(),
 (Animation)deadLeft.clone(),
 (Animation)deadRight.clone()
 catch (Exception ex) {
 // should never happen
 ex.printStackTrace();
 return null;
 }The whole code for this class is here
package tilegame.sprites;
import java.lang.reflect.Constructor;
import graphics.*;
 A Creature is a Sprite that is affected by gravity and can
 die. It has four Animations: moving left, moving right,
 dying on the left, and dying on the right.
public abstract class Creature extends Sprite {
 Amount of time to go from STATE_DYING to STATE_DEAD.
 private static final int DIE_TIME = 1000;
 public static final int STATE_NORMAL = 0;
 public static final int STATE_DYING = 1;
 public static final int STATE_DEAD = 2;
 private Animation left;
 private Animation right;
 private Animation deadLeft;
 private Animation deadRight;
 private int state;
 private long stateTime;
 Creates a new Creature with the specified Animations.
 public Creature(Animation left, Animation right,
 Animation deadLeft, Animation deadRight)
 super(right);
 this.left = left;
 this.right = right;
 this.deadLeft = deadLeft;
 this.deadRight = deadRight;
 state = STATE_NORMAL;
 public Object clone() {
 // use reflection to create the correct subclass
 Constructor constructor = getClass().getConstructors()[0];
 try {
 return constructor.newInstance(new Object[] {
 (Animation)left.clone(),
 (Animation)right.clone(),
 (Animation)deadLeft.clone(),
 (Animation)deadRight.clone()
 catch (Exception ex) {
 // should never happen
 ex.printStackTrace();
 return null;
 Gets the maximum speed of this Creature.
 public float getMaxSpeed() {
 return 0;
 Wakes up the creature when the Creature first appears
 on screen. Normally, the creature starts moving left.
 public void wakeUp() {
 if (getState() == STATE_NORMAL && getVelocityX() == 0) {
 setVelocityX(-getMaxSpeed());
 Gets the state of this Creature. The state is either
 STATE_NORMAL, STATE_DYING, or STATE_DEAD.
 public int getState() {
 return state;
 Sets the state of this Creature to STATE_NORMAL,
 STATE_DYING, or STATE_DEAD.
 public void setState(int state) {
 if (this.state != state) {
 this.state = state;
 stateTime = 0;
 if (state == STATE_DYING) {
 setVelocityX(0);
 setVelocityY(0);
 Checks if this creature is alive.
 public boolean isAlive() {
 return (state == STATE_NORMAL);
 Checks if this creature is flying.
 public boolean isFlying() {
 return false;
 Called before update() if the creature collided with a
 tile horizontally.
 public void collideHorizontal() {
 setVelocityX(-getVelocityX());
 Called before update() if the creature collided with a
 tile vertically.
 public void collideVertical() {
 setVelocityY(0);
 Updates the animaton for this creature.
 public void update(long elapsedTime) {
 // select the correct Animation
 Animation newAnim = anim;
 if (getVelocityX() < 0) {
 newAnim = left;
 else if (getVelocityX() > 0) {
 newAnim = right;
 if (state == STATE_DYING && newAnim == left) {
 newAnim = deadLeft;
 else if (state == STATE_DYING && newAnim == right) {
 newAnim = deadRight;
 // update the Animation
 if (anim != newAnim) {
 anim = newAnim;
 anim.start();
 else {
 anim.update(elapsedTime);
 // update to "dead" state
 stateTime += elapsedTime;
 if (state == STATE_DYING && stateTime >= DIE_TIME) {
 setState(STATE_DEAD);
}Any advice? Is it "protected"? Is the code out-of-date?
thankyou,
Lance 28

Lance28 wrote:
Any advice? Is it "protected"? Is the code out-of-date?Welcome to the wonderful world of Cloneable. In answer to your first question: Object's clone() method is protected.
A quote from Josh Bloch's "Effective Java" (Item 10):
"A class that implements Cloneable is expected to provide a properly functioning public clone() method. It is not, in general, possible to do so unless +all+ of the class's superclasses provide a well-behaved clone implementation, whether public or protected."
One way to check that would be to see if super.clone() works. Their method uses reflection to try and construct a valid Creature, but it relies on Animation's clone() method, which itself may be faulty. Bloch suggests the following pattern:public Object clone() throws CloneNotSupportedException {
 ThisClass copy = (ThisClass) super.clone();
 // do any additional initialization required...
 return copy
if that doesn't work, you +may+ be out of luck.
Another thing to note is that Object's clone() method returns a +shallow+ copy of the original object. If it contains any data structures (eg, Collections or arrays) that point to other objects, you may find that your cloned object is now sharing those with the original.
Good luck.

Compilation unit indirectly references the missing type java.lang.Object

Hi All,
I am getting the below mentioned error
"This Compilation unit indirectly references the missing type java.lang.Object (typically some required class file is referencing a type outside the class path)"
Please someone help me resolve this issue.
Thanks
Uday

I am getting a new type of error
each time i am deleting a method which duplicate, its getting created again.
 catch(WDDynamicRFCExecuteException wddree){
 wddree.printStackTrace(); }
public void onActionExit(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
 //@@begin onActionExit(ServerEvent)
 //@@end
//@@begin javadoc:onActionExit(ServerEvent)
/** Declared validating event handler. */
//@@end
public void onActionExit(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
 //@@begin onActionExit(ServerEvent)
 //@@end
//@@begin javadoc:onActionSelect(ServerEvent)
/** Declared validating event handler. */
//@@end
public void onActionSelect(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
 //@@begin onActionSelect(ServerEvent)
 //@@end
The following code section can be used for any Java code that is
not to be visible to other controllers/views or that contains constructs
currently not supported directly by Web Dynpro (such as inner classes or
member variables etc.). 
Note: The content of this section is in no way managed/controlled
by the Web Dynpro Designtime or the Web Dynpro Runtime.
//@@begin others
//@@end

While running my app I get the below error - have different Class objects for the type javax/servlet/http/HttpServletRequest used in the signature

I am running ATG[10.1.2] app on Jboss [EAP 5.1.0 GA] I am able to open dyn/admin however when I start my app I get the below error
java.lang.LinkageError: loader constraint violation: when resolving method "atg.servlet.ServletUtil.setSessionConfNumCacheRequest(Ljavax/servlet/http/HttpServletRequest;)Ljavax/servlet/http/HttpServletRequest;" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the current class, atg/filter/dspjsp/PageFilter, and the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) for resolved class, atg/servlet/ServletUtil, have different Class objects for the type javax/servlet/http/HttpServletRequest used in the signature
at atg.filter.dspjsp.PageFilter.doFilter(PageFilter.java:215)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at atg.servlet.ForwardFilter.doFilter(ForwardFilter.java:263)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at atg.servlet.ErrorFilter.doFilter(ErrorFilter.java:279)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:446)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:416)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:342)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:286)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:680)
11:22:47,413 ERROR [[localhost]] Exception Processing ErrorPage[errorCode=500, location=/global/errorPage500.jsp]

The supported JBoss version for 10.1.2 is JBoss EAP 5.1.2 but I don't think that your issue is caused because of this. Your issue is more of an environmental thing as you are probably getting two different versions getting loaded of class javax.servlet.http.HttpServletRequest and so correspondingly two different Class objects as the error shows. One reason for this could be if you include any server-specific libraries (in present case the Servlet API JAR which contains the class javax.servlet.http.HttpServletRequest) of a different version in the /WEB-INF/lib of your web application. Try removing it from there if so and see if that helps.

Three types of DSO in BI 7.0

Hi,
I went through the sap help documents related to the three types of DSO.
1. Standard
2. Direct Update
3. Write Optimized
Still not clearly understood in which case we use what kind of DSO's. Could any one explain me that in your own words.
I am new to BI, your explanation is appreciated.
What is this ADP process that is used using the Direct Update DSO.........Any docuements or links or info on it?
Thanks,

DataStore Objects for Direct Update
DataStore objects for direct update ensure that the data is available quickly. The data from this kind of DataStore object is accessed transactionally. The data is written to the DataStore object (possibly by several users at the same time) and reread as soon as possible.
It is not a replacement for the standard DataStore object. It is an additional function that can be used in special application contexts.
APD -
In the BI system, you can use a DataStore object for direct update as a data target for an analysis process
In the BI system data is collected from the heterogeneous databases in the various systems that the enterprise is using and is consolidated, managed, and staged for evaluation purposes. There is often further, valuable potential in this data.
This is completely new information that is displayed in the form of meaningful correlations between data but that is too well hidden or complex to be discovered by simple observation or intuition.
The Analysis Process Designer (APD) allows you to find and identify these hidden or complex relationships between data in a simple way. Various data transformations are provided for this purpose, such as statistical and mathematical calculations, data cleansing and structuring processes.
The results of the analysis are saved in BI InfoProviders or in CRM systems. They are available for all decision and application processes and thus can be decisive (strategically, tactically, and operatively).
Examples of analysis processes include the calculation of ABC classes, determination of frequency distribution or of scoring information.
http://help.sap.com/saphelp_nw04s/helpdata/en/49/7e960481916448b20134d471d36a6b/content.htm
Standard DataStore Object The standard DataStore object is filled with data during the extraction and load process in the BI system.
It has 3 tables - New , Active , Change log table
Write-Optimized DataStore Objects
Data that is loaded into write-optimized DataStore objects is available immediately for further processing.
You use write-optimized DataStore objects in the following scenarios:
● You use a write-optimized DataStore object as a temporary storage area for large sets of data if you are executing complex transformations for this data before it is written to the DataStore object. Subsequently, the data can be updated to further (smaller) InfoProviders. You only have to create the complex transformations once for all data.
● You use write-optimized DataStore objects as the EDW layer for saving data. Business rules are only applied when the data is updated to additional InfoProviders.
The system does not generate SIDs for write-optimized DataStore objects and you do not need to activate them. This means that you can save and further process data quickly. Reporting is possible on the basis of these DataStore objects. However, we recommend that you use them as a consolidation layer, and update the data to additional InfoProviders, standard DataStore objects, or InfoCubes.
http://help.sap.com/saphelp_nw04s/helpdata/en/f9/45503c242b4a67e10000000a114084/content.htm
Hope it Helps
Chetan
@CP..

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