Passing null in ArrayList as part of EJB Method gives NullPointerException

Hi gurus,
I have many EJBS in my application. All are working fine but when I pass null as element of ArrayList (serializable object) and pass ArrayList object to SessionBean it gives me NullPointerException. I think as part of EJB Specification it allows the Serialized object as part of method call but I think Oracle9iAS 903 has this as an error.
e.g
     ArrayList mylist = new ArrayList();
     mylist.add("lar");
     mylist.add("%");
     mylist.add(new Long(0));
     mylist.add("%");
     mylist.add(new Long(0));
     mylist.add("");
     mylist.add("%");
     mylist.add("Y");
     mylist.add(null);
     mylist.add(new Long(0));
Object obj= ictx.lookup("java:comp/env/sampleEJB");
SampleEJBHome home =(SampleEJBHome)PortableRemoteObject.narrow(obj,SampleEJBHome.class);
SampleEJB sampleEJB = home.create();
ArrayList retList =sampleEJB.test(mylist);
I think this is error in Oracle 903 IAS. Let me know If I am doing anything wrong here.
Thanks
Ritesh

I checked the bug status for you. It looks like one of our support analysts has tested the patch for the bug I mentioned to see if it resolves the similar problem you have and determined that it doesn't fix the problem you are facing. The bug you mention is still open and pending some further analysis by our bug fixing team.
The bug text isn't a 100% match what you have entered here in the forum, so it might be still worth your while to get the patch for bug 2753425 from support and test it in an isolated environment to see if it does resolve your problem. I'd recommend that you talk to your support analyst and discuss this with them.
cheers
-steve-

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sorry for my not-clear descprtion...thc for your help....i got a problem on store some data to a file ....u can see my from demo..
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Hi Xavier,
Declare the two variables of type if_wd_contex_node for e.g. lv_node and if_wd_context_element for e.g. lv_element. Now in the first one lets say lv_node get the refrence of dynamically created node like:
lv_node = wd_context->get_child_node('<node name>').
Then get the refrence of element like:
lv_element = lv_node->get_element( ). (You can also pass index as parameter check the method API)
then just set the value of attribute you want like:
lv_element->set_attribute( exporting name = '<attribute name>' value = '<your value>').
Regards,
Neha

Passing null value to stored procedure

I am calling a stored procedure from ssis package. In my stored procedure I have parameters which is set to default value of null i.e if nothing is passed I need to assume the value of parameter to be null.
In ssis package I created a variable its a datetime variable but when I dont pass anything or blank
it automatically gets some date but instead I want it to pass NUll.
Thank You for the help

Hi Rama,
SSIS evaluates null value in a date type variable as “12/30/1899 12:00:00 AM” by default. As long as the date type of the variable is date, it always gives “12/30/1899 12:00:00 AM” instead of null. This behavior still exists in SSIS 2012. So, I am afraid
that you have to modify your stored procedure to yield to this by design behavior of SSIS.
If you have concerns, I would suggest you submitting a wish at https://connect.microsoft.com/sql.
Connect site is a connection point between you and Microsoft, and ultimately the larger community. Your feedback enables Microsoft to make software and services the best that they can be, and you can learn about and contribute to exciting projects.
Regards,
Mike Yin
TechNet Community Support

Button URL Redirect - Issue passing %null% from LOV

I have issue when attempting to pass %null% from a LOV to a subsequent target page. The URL Redirect works fine when a value in selected in the LOV but passes gibberish "?ll" when no value is selected from the LOV. Can anyone shed some light on what's is going on?
Redirect looks like this:
f?p=112:411:508326687872582::NO:RP,411:P411_AGENCY,P411_CATEGORY,P411_BUDGET_YEAR,P411_OIT_OFFICE,P411_DESCRIPTION:002,%null%,2012,1665,webJeff
Edited by: jwellsnh on Jun 2, 2010 4:42 PM

svk1965,
Thank you for your response, I read many other threads and you are definitely on the right track. Got impatient though and took my project on a different track which ended being a better solution for me after all.
Jeff

Passing Null value to MS SQL Server from Oracle BPEL

Hi,
We are using the DB adapter to invoke a procedure on MS SQL Server database. We need to pass null parameter to one of the parameters.
When we pass 'null', we are getting a conversion error.
Please provide your inputs.
Regards.
John

The datatype is int.
When we pass "null" we are getting the following error.
Error while converting to a Java object. Unable to convert the XSD element ss_status_id whose SQL type is INT and JDBC type is INTEGER. Cause: java.lang.NumberFormatException: For input string: "null" ; nested exception is: ORABPEL-11803 Error while converting to a Java object. Unable to convert the XSD element ss_status_id whose SQL type is INT and JDBC type is INTEGER. Cause: java.lang.NumberFormatException: For input string: "null" Check to ensure that the XML data describing the object matches the definition of the element in the XSD. Contact oracle support if error is not fixable.
After using xsi:nil="true", we are not getting any error as such. But the procedure is not giving expected data.

Passing null value to a Date field in OPA

Hi,
We are using Determinations server of OPA.
I have created OPA web service proxy classes and using java client class for calling methods of OPA web service.
Webcenter calls OPA web service for validating business logic. There is a Date field in OPA which is not mandatory, if web service is called with date value, logic is working fine, else if we pass null value or ignore setting Date value all conclusion of the rule is becoming false.
for example :
If agreement exists, pass agreement expiry date.
Setting Input attributes if date is not null:
global.setAGREEMENTEXPDATE(new DateAttributeType());
global.getAGREEMENTEXPDATE().setDateVal(xmlGrogerianCalendar);
if there is no agreement, pass null for agreement expiry date
we are not setting Date attribute and sending request to the server
Is it need to pass Attribute if it is not mandatory and has no value?
If yes, how to pass null value?
Please help on this.
Thanks,
Sri

All optional parameters needs to be send to the OPA Determination Server, if value is not known then that attribute should be set to the "Uncertain" value as shown below.
global.setAGREEMENTNUMBER(new TextAttributeType());
global.getAGREEMENTNUMBER().setUncertainVal(new UncertainValue());
Thanks,
Sri

How to pass a Java arraylist as a parameter to a StoredProcedureCall

I need to invoke a stored procedurecall which takes in a collection parameter represented as a nested table. I need to pass a java ArrayList object to it. How can I pass this parameter to the stored procedure using StoredProcedureCall class.

Hello,
Check out
Is possible to pass array/list as parameter in TopLink StoredProcedureCall?
for some more information on using VARRAYs in 10.1.3. TopLink 11 has a feature that converts VARRAYs to/from collection types for you. An example using "myProcedure" that has an inout parameter "names" defined as type "NAMELIST_TYPE" would be:
    StoredProcedureCall sqlcall = new StoredProcedureCall();
    sqlcall.setProcedureName("myProcedure");
    sqlcall.addUnamedInOutputArgument("names", "names", Types.ARRAY, "NAMELIST_TYPE", ArrayList.class);
    DataReadQuery query = new DataReadQuery();
    query.addArgument("names");
    query.setCall(sqlcall);
    Vector args = new Vector();
    ArrayList names = new ArrayList();
    names.add("firstname1");
    names.add("firstname2");
    args.add(names);
    //DataReadQuery returns a collection of DatabaseRecords
    results = (Vector)getSession().executeQuery(query, args);
    //getting one record from the list:
    names =((ArrayList)((DatabaseRecord)results.get(0)).get("names"))This is just a simple example. More complex nested types can be done by providing a ObjectRelationalDatabaseField parameter describing the type, but I dont have any examples showing this handy.
Hope this example helps,
Chris

Passing null to Optional SQL ServerStored Procedure parameters for Query

Has anyone been able to pass null to a SQL Server Stored Procedure in a query for Interactive Reporting. I have a procedure that modifies the sql statement if the user passes additional filter data and I want to pass null to it. It works great if I use in reporting services, but I am being forced to us IR. Any help would be appreciated.
And just a point of issue...why do I have to use an ODBC driver to see or use my stored procedure!! Sorry couldn't resist!
Edited by: BISolutionBuilders on Jun 29, 2009 10:08 PM

Why dynamic sql ? It can be static, you are just passing the filter value

Exception while passing null as param in custom tag

Hi,
I am using Oracle 10g AS(10.1.2). In my j2ee application,while passing NULL as parameter in custom tags, i am getting exception. But it was working fine with oracle 9i as.
for example:
This is my code in jsp:
<%
String str =null;
%>
<test:getInfo id="<%=str%>" />
While executing the above code, I am getting the following exception :
javax.servlet.ServletException
at com.evermind.server.http.EvermindPageContext.handlePageThrowable(EvermindPageContext.java:595)
at com.evermind.server.http.EvermindPageContext.handlePageException(EvermindPageContext.java:537)
at ListAlerts.jspService(_ListAlerts.java:1827)
at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121)
at com.evermind.server.http.GetParametersRequestDispatcher.newInclude(GetParametersRequestDispatcher.java:80)
at com.evermind.server.http.GetParametersRequestDispatcher.include(GetParametersRequestDispatcher.java:34)
at com.evermind.server.http.EvermindPageContext.include(EvermindPageContext.java:267)
at Content.jspService(_Content.java:181)
at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121)
at com.evermind.server.http.GetParametersRequestDispatcher.newInclude(GetParametersRequestDispatcher.java:80)
at com.evermind.server.http.GetParametersRequestDispatcher.include(GetParametersRequestDispatcher.java:34)
at com.evermind.server.http.EvermindPageContext.include(EvermindPageContext.java:267)
at Main.jspService(_Main.java:360)
at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)
at org.apache.struts.action.ActionServlet.processActionForward(ActionServlet.java:845)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:734)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
at java.lang.Thread.run(Thread.java:534)
Please help me....

Hello,
I do not remember exactly how the null where handle in Oracle 9iAS. Have you tested what is the differences in the way the <%= null %> is returned in both 9iAS and 10.1.2?
You may just have to modify the way the value is sent to the bean from the tag.
Regards
Tugdual Grall

Passing null in ArrayList as part of EJB Method gives NullPointerException

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