ClassCastException using bpelx:append

When attempting to model sample 126 Data Aggregator I receive a ClassCastException. The snippet of bpel code I'm using looks like this:
<assign name="Assign_1">
<copy>
          <from expression="string('one')"/>
          <to variable="outputVariable"
          part="payload"
          query="/ns1:users/ns1:user"/>
</copy>
     <bpelx:append>
          <bpelx:from expression="string('two')"/>
          <bpelx:to variable="outputVariable"
          part="payload"
          query="/ns1:users/ns1:user"/>
     </bpelx:append>
I've tried variations of the query to include "/ns1:users" and also one with no query element. They all result in the exception.
element user is unbounded within users. It's definition looks like:
<xsd:element name="users"
     type="iC.MMIS.WS.tst:usersType"/>
<xsd:complexType name="usersType">
     <xsd:sequence>
     <xsd:element name="user"
          type="iC.MMIS.WS.tst:userCnType"
          minOccurs="0"
          maxOccurs="unbounded"/>
     </xsd:sequence>
</xsd:complexType>
<xsd:simpleType name="userCnType">
     <xsd:restriction base="xsd:string">
     </xsd:restriction>
</xsd:simpleType>
Exception follows:
05/08/14 21:36:53 java.lang.ClassCastException
05/08/14 21:36:53      at com.collaxa.cube.xml.dom.DOMUtil.addNodes(DOMUtil.java:1598)
05/08/14 21:36:53      at com.collaxa.cube.engine.ext.wmp.BPELAssignWMP.performAddNodes(BPELAssignWMP.java:840)
05/08/14 21:36:53      at com.collaxa.cube.engine.ext.wmp.BPELAssignWMP.__executeStatements(BPELAssignWMP.java:191)
05/08/14 21:36:53      at com.collaxa.cube.engine.ext.wmp.BPELActivityWMP.perform(BPELActivityWMP.java:179)
05/08/14 21:36:53      at com.collaxa.cube.engine.CubeEngine.performActivity(CubeEngine.java:3398)
05/08/14 21:36:53      at com.collaxa.cube.engine.CubeEngine.handleWorkItem(CubeEngine.java:1905)
05/08/14 21:36:53      at com.collaxa.cube.engine.dispatch.message.instance.PerformMessageHandler.handleLocal(PerformMessageHandler.java:75)
05/08/14 21:36:53      at com.collaxa.cube.engine.dispatch.DispatchHelper.handleLocalMessage(DispatchHelper.java:100)
05/08/14 21:36:53      at com.collaxa.cube.engine.dispatch.DispatchHelper.sendMemory(DispatchHelper.java:185)
05/08/14 21:36:53      at com.collaxa.cube.engine.CubeEngine.endRequest(CubeEngine.java:5412)
05/08/14 21:36:53      at com.collaxa.cube.engine.CubeEngine.createAndInvoke(CubeEngine.java:1300)
05/08/14 21:36:53      at com.collaxa.cube.engine.ejb.impl.CubeEngineBean.createAndInvoke(CubeEngineBean.java:117)
05/08/14 21:36:53      at com.collaxa.cube.engine.ejb.impl.CubeEngineBean.syncCreateAndInvoke(CubeEngineBean.java:146)
05/08/14 21:36:53      at ICubeEngineLocalBean_StatelessSessionBeanWrapper0.syncCreateAndInvoke(ICubeEngineLocalBean_StatelessSessionBeanWrapper0.java:486)
05/08/14 21:36:53      at com.collaxa.cube.engine.delivery.DeliveryHandler.initialRequestAnyType(DeliveryHandler.java:493)
05/08/14 21:36:53      at com.collaxa.cube.engine.delivery.DeliveryHandler.initialRequest(DeliveryHandler.java:426)
05/08/14 21:36:53      at com.collaxa.cube.engine.delivery.DeliveryHandler.request(DeliveryHandler.java:133)
05/08/14 21:36:53      at com.collaxa.cube.ejb.impl.DeliveryBean.request(DeliveryBean.java:93)
05/08/14 21:36:53      at IDeliveryBean_StatelessSessionBeanWrapper22.request(IDeliveryBean_StatelessSessionBeanWrapper22.java:288)
05/08/14 21:36:53      at com.oracle.bpel.client.delivery.DeliveryService.request(DeliveryService.java:101)
05/08/14 21:36:53      at com.oracle.bpel.client.delivery.DeliveryService.request(DeliveryService.java:65)
05/08/14 21:36:53      at ngDoInitiate.jspService(_ngDoInitiate.java:253)
05/08/14 21:36:53      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
05/08/14 21:36:53      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121)
05/08/14 21:36:53      at com.evermind.server.http.EvermindPageContext.include(EvermindPageContext.java:267)
05/08/14 21:36:53      at displayProcess.jspService(_displayProcess.java:660)
05/08/14 21:36:53      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
05/08/14 21:36:53      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
05/08/14 21:36:53      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:220)
05/08/14 21:36:53      at com.collaxa.cube.fe.DomainFilter.doFilter(DomainFilter.java:152)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
05/08/14 21:36:53      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/08/14 21:36:53      at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:798)
05/08/14 21:36:53      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:278)
05/08/14 21:36:53      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:120)
05/08/14 21:36:53      at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
05/08/14 21:36:53      at java.lang.Thread.run(Thread.java:534)
<2005-08-14 21:36:53,575> <ERROR> <default.collaxa.cube.xml> java.lang.ClassCastException

That is a corner case that we did not handle properly.
We did not automatically convert a String object into XML text node for users. That triggers that ClassCastException. We shall add that automatic conversion logic into our code. (We have opened a bug - bug # 4554032 - to track this problem down.)
On the other hand, based on the supplied schema, your sample code may not perform your desired logic, if my guess is correct.
Instead of:
<assign name="Assign_1">
<copy>
<from expression="string('one')"/>
<to variable="outputVariable"
part="payload"
query="/ns1:users/ns1:user"/>
</copy>
<bpelx:append>
<bpelx:from expression="string('two')"/>
<bpelx:to variable="outputVariable"
part="payload"
query="/ns1:users/ns1:user"/>
</bpelx:append>
Try:
<assign>
<bpelx:append>
<bpelx:from expression
= "ora:genEmptyElem('ns1:user',2)" />
<bpelx:to variable="outputVariable" part="payload" query="/ns1:users" />
</bpelx:append>
<copy>
<from expression=" 'one' " />
<to variable="outputVariable" part="payload"
query="/tns:users/tns:user[1]" />
</copy>
<copy>
<from expression=" 'two' " />
<to variable="outputVariable" part="payload"
query="/tns:users/tns:user[2]" />
</copy>
</assign>
If you want to know about the "genEmptyElem()" xpath function,
please check it out
http://localhost:9700/BPELConsole/default/domain.jsp?mode=xpath
I hope I have answered your question.
Regards,
Alex Yiu

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Compile errors using bpelx:append

I'm getting compile errors from one particular bpelx:append. I have others earlier in the bpel code, and they seem to be passing the check.
<bpelx:append>
<from variable="set-panel-member" query="/client:set-panel-member"/>
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Produces:
Error(437):
[Error ORABPEL-10900]: xml parser error
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Error(436):
[Error ORABPEL-10900]: xml parser error
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The code is contained within a Switch block:
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<case condition="bpws:getVariableData('index') = 1">
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<bpelx:pattern>First time only
</bpelx:pattern>
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<otherwise>
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<assign name="appendTheRest">
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<from variable="set-panel-member" query="/client:set-panel-member"/>
<to variable="setPanel_setPanel_InputVariable" part="setPanelRequest" query="/setPanelRequest/panel/panel-member"/>
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We are also receiving the same error. Our process was built for a client in 10.1.2.0.2 and the GUI interface never really liked the bpelx:append statement - it always showed up as an alert/error. But it worked on 10.1.2.0.2
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Anyone know of a solution?

Bpelx:append or ora:addChildNode?

Can anybody provide any suggestion on wether to use bpelx:append or ora:addChildNode?
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Use UNION / Append in PL/SQL

Hello,
I am using Oracle 11g R2 SOE. I have this procedure, and I would like to *"UNION" its* Select Statement with another Select Statement:
declare
v_xml clob;
v_retval clob := '<?xml version="1.0" encoding="iso-8859-1"?>';
v_blob blob;
begin
select
       xmlelement(
         "LISTINGS",
         xmlagg(
           xmlelement(
             "LISTING",
             xmlforest(
'RS-'||R."RES_ID" as "Property_Ref_No",
"UNIT_TYPE_LOOKUP"."UNIT_TYPE" as "Unit_Type",
'Sale' as "Ad_Type",
'Dubai' as "State",
L.LOCATION_NAME_EN AS "Community",
"PROJECTS"."PROJECT_NAME_EN" as "Property_Name",
"RES_SALE"."ASKING_PRICE" as "Price",
' ' as "Frequency",
ST."SUB_TYPE" as "Unit_Model",
R."RES_SIZE" as "Unit_Builtup_Area",
R.BEDS as "Bedrooms",
R.bath as "No_of_Bathrooms",
"RES_SALE"."AD_TITLE" as "Property_Title",
RES_SALE.DESCRIPTION as "Web_Remarks",
to_char("RES_SALE"."UPDATED_ON",'YYYY-MM-DD HH:MI:SSPM') as "Last_Updated",
R.VIDEO as "Web_Tour",
select xmlagg(
                             xmlforest(
                            'http://thevillaproject.com/apex/erp/IMAGES/'||IMG.ID AS "ImageUrl"
FROM
      IMAGES IMG
WHERE IMG.RES_ID = R.RES_ID ) Images )))).getclobval()
into      v_xml
FROM
      "RES_SALE" "RES_SALE"
inner join
      RES R on (R."RES_ID"="RES_SALE"."RES_ID")
inner join
          "UNIT_STATUS_LOOKUP" on (UNIT_STATUS_LOOKUP.status_id = "RES_SALE"."RES_STATUS")
inner join
      "PROJECTS" "PROJECTS" on ("PROJECTS"."PROJECT_ID"=R."PROJECT_ID")
inner join
      "UNIT_TYPE_LOOKUP" "UNIT_TYPE_LOOKUP" on ("UNIT_TYPE_LOOKUP"."TYPE_ID"=R."RES_TYPE")
inner join
      "RES_SUB_TYPE_LOOKUP" ST on (ST."SUB_TYPE_ID"=R."SUB_TYPE")
INNER JOIN
      COMPLEX_LOOKUP CL ON (CL.COMPLEX_ID = "PROJECTS".COMPLEX_ID)
INNER JOIN
      LOCATIONS L ON (L.LOCATION_ID = CL.LOCATION_ID)
WHERE "RES_SALE".RES_status IN (5,8) AND "RES_SALE".LIVE = 'Y' AND "RES_SALE".DESCRIPTION IS NOT NULL
dbms_lob.append(v_retval,v_xml);
OWA_UTIL.Mime_Header('text/xml');
htp.p('Content-length: ' || to_char(dbms_lob.getlength(v_retval)));
htp.p('Content-Disposition: inline; filename="Just.xml"');
owa_util.http_header_close;
v_blob := wwv_flow_utilities.clob_to_blob(v_retval);
wpg_docload.download_file(v_blob);
end; h1. Select Statement that is needed to be "UNION-ED" with the Select Statement of the previous procedure:
select
       xmlelement(
         "LISTINGS",
         xmlagg(
           xmlelement(
             "LISTING",
             xmlforest(
'RR-'||R."RES_ID" as "Property_Ref_No",
"UNIT_TYPE_LOOKUP"."UNIT_TYPE" as "Unit_Type",
'Rent' as "Ad_Type",
'Dubai' as "State",
L.LOCATION_NAME_EN AS "Community",
"PROJECTS"."PROJECT_NAME_EN" as "Property_Name",
"RES_RENT"."ASKING_PRICE" as "Price",
' ' as "Frequency",
ST."SUB_TYPE" as "Unit_Model",
R."RES_SIZE" as "Unit_Builtup_Area",
R.BEDS as "Bedrooms",
R.bath as "No_of_Bathrooms",
"RES_RENT"."AD_TITLE" as "Property_Title",
"RES_RENT".DESCRIPTION as "Web_Remarks",
to_char("RES_RENT"."UPDATED_ON",'YYYY-MM-DD HH:MI:SSPM') as "Last_Updated",
R.VIDEO as "Web_Tour",
select xmlagg(
                             xmlforest(
                            'http://thevillaproject.com/apex/erp/IMAGES/'||IMG.ID AS "ImageUrl"
FROM
      IMAGES IMG
WHERE IMG.RES_ID = R.RES_ID ) Images ))))
FROM
      "RES_RENT" "RES_RENT"
inner join
      RES R on (R."RES_ID"="RES_RENT"."RES_ID")
inner join
          "UNIT_STATUS_LOOKUP" on (UNIT_STATUS_LOOKUP.status_id = "RES_RENT"."RES_STATUS")
inner join
      "PROJECTS" "PROJECTS" on ("PROJECTS"."PROJECT_ID"=R."PROJECT_ID")
inner join
      "UNIT_TYPE_LOOKUP" "UNIT_TYPE_LOOKUP" on ("UNIT_TYPE_LOOKUP"."TYPE_ID"=R."RES_TYPE")
inner join
      "RES_SUB_TYPE_LOOKUP" ST on (ST."SUB_TYPE_ID"=R."SUB_TYPE")
INNER JOIN
      COMPLEX_LOOKUP CL ON (CL.COMPLEX_ID = "PROJECTS".COMPLEX_ID)
INNER JOIN
      LOCATIONS L ON (L.LOCATION_ID = CL.LOCATION_ID)
WHERE "RES_RENT".RES_status IN (5,8) AND "RES_RENT".LIVE = 'Y' AND "RES_RENT".DESCRIPTION IS NOT NULL

Hello Fateh,
you can union both selects and then get the XML from the subquery.
SELECT XMLELEMENT(
             "LISTINGS"
            ,XMLAGG(
                 XMLELEMENT(
                     "LISTING"
                    ,XMLFOREST(
                         rr_and_rs.ref_no AS "Property_Ref_No"
                        ,rr_and_rs."UNIT_TYPE" AS "Unit_Type"
                        ,'Sale' AS "Ad_Type"
                        ,'Dubai' AS "State"
                        ,rr_and_rs..location_name_en AS "Community"
                        ,rr_and_rs."PROJECT_NAME_EN" AS "Property_Name"
                        ,rr_and_rs."ASKING_PRICE" AS "Price"
                        ,' ' AS "Frequency"
                        ,rr_and_rs."SUB_TYPE" AS "Unit_Model"
                        ,rr_and_rs."RES_SIZE" AS "Unit_Builtup_Area"
                        ,rr_and_rs.beds AS "Bedrooms"
                        ,rr_and_rs.bath AS "No_of_Bathrooms"
                        ,rr_and_rs."AD_TITLE" AS "Property_Title"
                        ,rr_and_rs.description AS "Web_Remarks"
                        ,TO_CHAR(rr_and_rs."UPDATED_ON",'YYYY-MM-DD HH:MI:SSPM') AS "Last_Updated"
                        ,rr_and_rs.video AS "Web_Tour"
                        ,( SELECT XMLAGG(
                                         XMLFOREST(
                                             'http://thevillaproject.com/apex/erp/IMAGES/'||img.id AS "ImageUrl"
                            FROM    images img
                            WHERE   img.res_id = rr_and_rs.res_id
                            ) Images
            ).getClobVal()
INTO    v_xml
FROM    (
    SELECT 'RR-'||r."RES_ID" AS ref_no
           ,"UNIT_TYPE_LOOKUP"."UNIT_TYPE"
           ,"RES_RENT"."ASKING_PRICE" AS price
    FROM    "RES_RENT" "RES_RENT"
            INNER JOIN res r
              ON (r."RES_ID"="RES_RENT"."RES_ID")
            INNER JOIN "UNIT_STATUS_LOOKUP"
              ON (unit_status_lookup.status_id = "RES_RENT"."RES_STATUS")
            INNER JOIN "PROJECTS" "PROJECTS"
              ON ("PROJECTS"."PROJECT_ID"=r."PROJECT_ID")
            INNER JOIN "UNIT_TYPE_LOOKUP" "UNIT_TYPE_LOOKUP"
              ON ("UNIT_TYPE_LOOKUP"."TYPE_ID"=r."RES_TYPE")
            INNER JOIN "RES_SUB_TYPE_LOOKUP" st
              ON (st."SUB_TYPE_ID"=r."SUB_TYPE")
            INNER JOIN complex_lookup cl
              ON (cl.complex_id = "PROJECTS".complex_id)
            INNER JOIN locations l
              ON (l.location_id = cl.location_id)
    WHERE   "RES_RENT".res_status    IN (5,8)
    AND     "RES_RENT".live         = 'Y'
    AND     "RES_RENT".description IS NOT NULL
    UNION ALL
    SELECT 'RS-'||r."RES_ID" AS ref_no
           ,"UNIT_TYPE_LOOKUP"."UNIT_TYPE"
           ,"RES_SALE"."ASKING_PRICE" AS price
    FROM    "RES_SALE" "RES_SALE"
            INNER JOIN res r
              ON (r."RES_ID"="RES_SALE"."RES_ID")
            INNER JOIN "UNIT_STATUS_LOOKUP"
              ON (unit_status_lookup.status_id = "RES_SALE"."RES_STATUS")
            INNER JOIN "PROJECTS" "PROJECTS"
              ON ("PROJECTS"."PROJECT_ID"=r."PROJECT_ID")
            INNER JOIN "UNIT_TYPE_LOOKUP" "UNIT_TYPE_LOOKUP"
              ON ("UNIT_TYPE_LOOKUP"."TYPE_ID"=r."RES_TYPE")
            INNER JOIN "RES_SUB_TYPE_LOOKUP" st
              ON (st."SUB_TYPE_ID"=r."SUB_TYPE")
            INNER JOIN complex_lookup cl
              ON (cl.complex_id = "PROJECTS".complex_id)
            INNER JOIN locations l
              ON (l.location_id = cl.location_id)
    WHERE   "RES_SALE".res_status    IN (5,8)
    AND     "RES_SALE".live         = 'Y'
    AND     "RES_SALE".description IS NOT NULL
    ) rr_and_rsUntested.
When you want to keep two distinct selects (e.g. for easier maintainance), then have a look at INSERTCHILDXML. There you can add elements to an existing XML. http://docs.oracle.com/cd/E11882_01/appdev.112/e23094/xdb04cre.htm#ADXDB4289
Regards
Marcus
BTW: Your mix of cases and case sensitive vs. case insensitive notation makes the code harder to read than necessary
R.bath
R.BEDS
ST."SUB_TYPE"
"RES_SALE"."ASKING_PRICE"Edited by: Marwim on 17.12.2012 13:15

ClassCastException using Subant and wldeploy ant task

Hi!
I'm using subant to call all diffrent build.xml files located in subdirectories. The buildfile looks like this:
<project name="extern.call" default="callall">
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[subant] dumping Exception stack
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[subant] at weblogic.Deployer.runBodyWithAuthenticatedSubject(Deployer.java:824)
[subant] at weblogic.Deployer.runBody(Deployer.java:711)
[subant] at weblogic.utils.compiler.Tool.run(Tool.java:146)
[subant] at weblogic.utils.compiler.Tool.run(Tool.java:103)
[subant] at weblogic.Deployer.runMain(Deployer.java:566)
[subant] at weblogic.Deployer.mainWithExceptions(Deployer.java:576)
[subant] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[subant] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[subant] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[subant] at java.lang.reflect.Method.invoke(Method.java:324)
[subant] at weblogic.ant.taskdefs.management.WLDeploy.invokeMain(WLDeploy.java:264)
[subant] at weblogic.ant.taskdefs.management.WLDeploy.execute(WLDeploy.java:204)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:65)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:340)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:65)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:340)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.Target.execute(Target.java:301)
[subant] at org.apache.tools.ant.Target.performTasks(Target.java:328)
[subant] at org.apache.tools.ant.Project.executeTarget(Project.java:1215)
[subant] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:383)
[subant] at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:182)
[subant] at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:112)
[subant] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269)
[subant] at org.apache.tools.ant.Task.perform(Task.java:364)
[subant] at org.apache.tools.ant.Target.execute(Target.java:301)
[subant] at org.apache.tools.ant.Target.performTasks(Target.java:328)
[subant] at org.apache.tools.ant.Project.executeTarget(Project.java:1215)
[subant] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:379)
[subant] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:135)
There is no diffrent between using ant in eclipse environment or as standalone, the result it the same.
Do someone else have the same problem?
Kind regards
Joseph

Hi
I got the same message and I couldn't resolve it too, I am wordering if you got the key to the problem?
Thanks
Daivd Huang

How to use JDBC Appender of log4j using a properties file

Hi,
I am trying to implement the Log4j JDBC Appender to log the messages to Database(oracle).Can anyone provide me with a sample code along with the properties file used.
need urgent help.
Thanks in advance

Actually, I konw where my problem in my code is. Use functions
PDDocAcquirePage(), PDPageGetAnnot(),
PDTextAnnotGetContents(),
PDTextAnnotGetContents()
step by step with the logic designed by ourself can finish my task.
But also thanks for your help!

ClassCastException using EJB from a service

Hi all,
I developed a DeployService and currently I'm getting a ClassCastException while accessing the a EJB.
I put the lookup within a delegate which is also be used from a webDynpro application. With the WebDynpro App everything work properly, but if I call the delegate from the service a SAPClassCastException I thrown, when I cast the object to the home interface.
The coding is as follows:
               Properties props = new Properties();
               props.put(Context.PROVIDER_URL,"localhost:50004");
               props.put(Context.INITIAL_CONTEXT_FACTORY,
               "com.sap.engine.services.jndi.InitialContextFactoryImpl");
               context = new InitialContext(props);
               Object obj = context.lookup(jndiName);
               EJBHome ejb = EJBHomeFactory.getInstance().lookup(jndiName, ComponentHome.class);
               ComponentHome componentHome = (ComponentHome)ejb;
Thanks a lot for the help.
Falk

Hi Falk,
Hey just tell me that what is the EJBHome and ComponentHome and EJBHomeFactory in your coding.....
You can try the following code for the same.
Object obj =(Object) jndicontext.lookup("<Your JNDI name>");
TestEJBHome home = (TestEJBHome) javax.rmi.PortableRemoteObject.narrow(
               obj,
               TestEJBHome.class);
TestEJB hello = home.create();
Here, TestEJBHome is your Home interface of the EJB and TestEJB is your remote interface. Now you can use hello object to call your business methods of EJB.
Regards,
Bhavik

ClassCastException using PJC in Forms 9.0.4.1.0

I'm trying to setup a simple PJC in a Forms using Oracle Forms 9.0.4.1.0 but I get a FRM-92100 with a java.lang.ClassCastException: nl.eurotransplant.pjc
I've create a Form with a simple Java bean and set the implementation class to "nl.eurotransplant.pjc"
I've also created the class nl.eurotransplant.pjc implementing the IView interface. I've implemented all the abstract methods from IView but none of them are doing anything (yet) other the system.out.println to the console.
Packaged the nl.eurotransplant.pjc in a JAR file and included that in the archive parameter for Forms.
From the console I can see the constructor of the PJC is being called and the init method is being called and completes. No more messages after that.
Does anyone of you have a suggestion as to what I'm doing wrong?

I searched some more on the Forum and eventually found a whitepaper on PJC's in Forms 6i. That gave me the tip not to implement the IView interface, but just extend the VBean class.
That's what I just tried and no more classCastException. That seems to fix my issue. No to develop the bean itself...

ClassCastException using Update Batching

Oracle 9.2.0.4/Linux, JDBC driver 9.2.0.5
I'm trying to use update batching but always get a
ClassCastException when doing:
((oracle.jdbc.driver.OraclePreparedStatement) pstmt).setExecuteBatch(10);
I've followed chapter 12 of the "Oracle9i JDBC Developer's Guide and Reference", but cannot get rid of this damn exception.
Can anyone give me any clue about what's happening?
BTW, JDBC standard batch works perfectly, I just wanted
to test oracle specific batch vs standard batch.
Thanks in advance.

Avi,
I forgot to say is that the code is
inside an EJB, running under JBoss. I've tested
it in JBoss 3.2.5, 3.2.6 and 3.2.7 with no success.
I did not post any code because it's exactly the same
that serves as an example in http://www.oracle.com/technology/products/oracle9i/daily/jun07.html
except for the question that the imports are
oracle.jdbc.driver.*, not oracle.driver.*.
                    java.sql.Connection connection = null;
               java.sql.PreparedStatement pstmt = null;
try {
                              connection = DAOUtils.getDBConnection(JNDIConstants.DATASOURCE);
// disable autocommit
connection.setAutoCommit(false);
String query =
"INSERT INTO TABLE (ID, DATO)" +
" VALUES (TABLE_SEQ.NextVal, ?)";
pstmt = connection.prepareStatement(query);
log.debug(pstmt.getClass().getName()); // org.jboss.resource.adapter.jdbc.WrappedPreparedStatement
// set batch size
((OraclePreparedStatement) pstmt).setExecuteBatch(10); // ClassCastException
                              pstmt.setInt(1, object.getId());
                              pstmt.executeUpdate();
                              ((OraclePreparedStatement) pstmt).sendBatch();
                              connection.commit();
                    } catch (SQLException sqlex) {
                              connection.rollback();
sqlex.printStackTrace();
throw new CustomException(CustomException.DB_ERROR, sqlex);
} finally {
DAOUtils.closePreparedStatement(pstmt);
DAOUtils.closeConnection(connection);
I'm going to post it also in JBoss forums.
I'll keep on trying.

Why do I get a ClassCastException using JNDI between ears?

This is an issue that has bothered me for almost a year. It comes up every once in a while and usually I can find a workaround, but I need to understand what is causing the failure.
Here is the problem description as an abstract example:
I have two WAR files deployed on WL (8.1 sp3), WarA and WarB.
In a servlet in WarA, I execute the following:
Context context = new InitialContext();
MyObject myObj = new MyObject();
context.bind("myObject", myObj);Then, in a servlet in WarB, I execute the following, receiving a ClassCaseException on the last line of code:
Context context = new InitialContext();
Object obj = context.lookup("myObject");
MyObject myObj = (MyObject)obj; //ClassCastException!!Of course I have deployed MyObject.class in a jar file inside the WEB-INF/lib of each WAR.
I understand that each WAR file uses a seperate ClassLoader, but I do not understand why the object's class is not recognized when it is retrieved. I have tried several debugging methods (obj.getClass().getName() or halting execution using a debugger and looking at the object's class signature). In every instance the classname looks correct, exactly as I would expect it to, but the ClassCastException is thrown anyways.
In the past I have "copped out" by creating an EAR, putting both WARs in the EAR, and adding the jar containing MyObject to the APP-INF/lib.
Unfortunately the most recent occurrence of this problem is more complex and I do not have the luxury of my standard workaround. Can someone please fill in the blanks of what elementary concept I am overlooking?
Thanks
JB

I don't think the classloader-structure tag is exactly what I am looking for. Based on the documentation I reviewed on the edocs site, that solution appears to make sense if you are manipulating numerous classloaders within a specific ear.
I suppose you could try to use the classloader-structure to reference a classloader from a seperate application, but the docs do not indicate that this is a possibility. Moreover, it seems dangerous and potentially very confusing.
Ultimately, I think this boils down to a lesson for me about classloaders. Unless someone can tell me otherwise, I am ready to concede that you cannot access/cast an object that you have bound to the JNDI tree in one application from within any other application. The notable exception to this rule is the scenario where the class type to which you are casting is a class that is loaded by the system classloader.
This makes some sense to me - each standalone war or ear is independent of other wars/ears deployed on the app server. But, it is also somewhat frustrating because you cannot share global services across a suite of applications via JNDI unless you bundle them all as a single ear.

ClassCastException using Dataobjects

Hello,
at first, I am not sure if I am in the right forum.
We have developed an application which is using a Stateless SessionBean for getting data (countries) out of the database (using eclipselink).
On filling a list of select items we are getting a ClassCastException although the classes are identical (same package, same class name)
My first Taskflow just checks some conditions and if everything is right it calles Tasklow A or Taskflow B.
Taskflow A now shows some screens and on one screen, the controller (my managed bean) reads the countries out of the database using the Stateless SessionBean.
The interface of this SessionBean method is java.util.List<ICountry) bean.getListOfCountries().
The managed bean now tries to convert this list of Country objects into a list of SelectItems for displaying a selectOneChoice component.
List<SelectItem> countries = new ArrayList<SelectItem>();
List<ICountry> listOfCountries = statelessSessionBean.getListOfCountries();
for (int i=0;i<listOfCountries.size();i++) {
ICountry country = listOfCountries.get(i); <----- the ClassCastException occurs
SelectItem item = new SelectItem();
item.setLabel(country.getIsoCode());
item.setValue(country.getIsoCode());
item.setDescription(resourceBundle.getString("country." + country.getIsoCode()));
countries.add(item);
The data is read from the database and passed to the managed bean correctly. I have a List of ICountry objects in my managed bean.
When I now try to cast one of these objects to the Interface ICountry, the system throws a ClassCastException my.data.ICountry cannot be cast to my.data.ICountry
As far as I found out, the classes are loaded by different classloaders.
GenericClassLoader
ChangeAwareClassLoader
I have no idea, how to change the project settings to overcome this problem.
My Application is divided into several projects
Application: TestApp (ear)
Project: TestApp (contains a single JSF with a region for the outer Taskflow) (war)
Controller1 (contains the outer Taskflow) (ADF Shared Library)
Controller2 (contains the inner Taskflows which does the work) (ADF Shared Library)
DataObjects(contains my interfaces and data objects ICountry, Country) (jar)
SB_Environment (contains the stateless session bean) (ejb-jar)
Can anyone give me a hint?
Environment: Standard JDeveloper 11.1.1.4.0
Regards
Edmund

This release notes for XSQL Servlet 1.0.1 contain the following NOTE:
At this time, the <xsql:insert-param> and <xsql:insert-request> action elements depend on the Oracle JDBC Driver because they depend on the Oracle XML SQL Utility for Java which at present exhibits this restriction. A future release of Oracle XML SQL will remove this current restriction.
The same holds for the <xsql:update-request> and <xsql:delete-request>. The underlying problem is with the XML SQL Utility which currently works fine with any driver for reading data, but fails to insert, update, or delete with drivers other than Oracle. This restriction has already been fixed in-house and will be available as part of the next release of the XML SQL Utility put onto OTN. If the XSQL Servlet is used with that upcoming fixed version of the xsu12.jar for the XML SQL Utility, you will no longer hit this problem.

ClassCastException using HttpsURLConnection with Tomcat 4.1.27

Hi,
I try to open an SSL connection using HttpsURLConnection that works fine with a standalone application (see code fragment):
import javax.net.ssl.HttpsURLConnection;
import java.net.*;
import java.io.*;
URL website = new URL( "https://aSampleSSLSite" );
HttpsURLConnection connection = ( HttpsURLConnection ) website.openConnection();
Using the same code in Tomcat 4.1.27 and Struts 1.1 throws a java.lang.ClassCastException while trying to use website.openConnection().
What is the difference?

Hi,
I'm using JDK 1.4.2 and haven't installed JSSE separately at all. Actually I really use javax.net.ssl.HttpsURLConnection. However, I tried com.sun.net.ssl.HttpsURLConnection as well and got a 'java.net.SocketException: Default SSL context init failed' instead of.
Oddly enough the code works fine in a standalone application.

How do you set the line spacing when using the Append Text Table to Report VI?

I have a table of numbers which I wish to print using the report generation VI's. Since each column has a different numerical format, I first convert the number for each cell to a string with the appropriate format and then build a string array to pass to the Append Text Table to Report VI. The table is printed with double line spacing. How do I reset this for single spacing?
Attachments:
print_array.vi ‏112 KB

Dave,
The issue is not with the NI-Reports functionality, but the Array to Spreadsheet String funvtion in the for loop. Here is the context help for this function:
"Converts an array of any dimension to a table in string form, containing tabs separating column elements, a platform-dependent EOL character separating rows, and, for arrays of three or more dimensions, headers separating pages."
The thing to note here is that it says it adds an EOL (end of line) character at the end of every row. This is what is happening. Your first column of data has a \r\n in it and adds the second row to each data item. This in turn makes the rest of the columns have a larege blank space at the bottom so that all of the cell heights are equal. I w
ould re-write that little bit of code so that you just do one large string concatenation of number, spaces, number, spaces, number and this should solve your issue.
Thank you for using the Developer Zone Discussion Forums.
Randy Hoskin
Applications Engineer
National Instruments
http://www.ni.com/ask

ClassCastException using bpelx:append

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