NullPointerException thrown when using get method in CMR relationship outsi

We are using weblogic 9.1 CMP entity beans with BEA's XA oracle driver. We have a bean called User that has a many address beans. When calling the getAddresses method on a UserLocal a NullPointerException gets thrown if the stateless session bean method that is marked as @LocalMethod(transactionAttribute=Constants.TransactionAttribute.SUPPORTS). If we change it to REQUIRED the method returns addresses successfully. Does anyone have any ideas as to what could be causing this? Below is the stack trace.
My best guess is that an exception is occurring and when weblogic tries to handle the exception EJBRuntimeUtils.throwEJBException encounters the NullPointerException.
javax.ejb.EJBException: EJB Exception: : java.lang.NullPointerException
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68__WebLogic_CMP_RDBMS_addresses_Set.<init>(echo_user_User_l47u68__WebLogic_CMP_RDBMS_addresses_Set.java
:93)
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68__WebLogic_CMP_RDBMS.getAddresses(echo_user_User_l47u68__WebLogic_CMP_RDBMS.java:1161)
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68_ELOImpl.getAddresses(echo_user_User_l47u68_ELOImpl.java:770)
at gov.nasa.echo.subsystems.user.UserTypeMap.convertUser(UserTypeMap.java:66)
at gov.nasa.echo.subsystems.user.UserSubsystem.getUserByUserId(UserSubsystem.java:321)
at gov.nasa.echo.subsystems.user.UserSubsystem.getUsersByUserId(UserSubsystem.java:302)
at gov.nasa.echo.services.authentication.AuthenticationServiceBean.login(AuthenticationServiceBean.java:442)
at gov.nasa.echo.services.authentication.AuthenticationServiceBean_plcr77_ELOImpl.login(AuthenticationServiceBean_plcr77_ELOImpl.java:1001)
at gov.nasa.echo.v8.AuthenticationServicePortImpl.login(AuthenticationServicePortImpl.java:105)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at weblogic.wsee.component.pojo.JavaClassComponent.invoke(JavaClassComponent.java:91)
at weblogic.wsee.ws.dispatch.server.ComponentHandler.handleRequest(ComponentHandler.java:68)
at weblogic.wsee.handler.HandlerIterator.handleRequest(HandlerIterator.java:127)
at weblogic.wsee.ws.dispatch.server.ServerDispatcher.dispatch(ServerDispatcher.java:84)
at weblogic.wsee.ws.WsSkel.invoke(WsSkel.java:60)
at weblogic.wsee.server.servlet.SoapProcessor.handlePost(SoapProcessor.java:66)
at weblogic.wsee.server.servlet.SoapProcessor.process(SoapProcessor.java:44)
at weblogic.wsee.server.servlet.BaseWSServlet$AuthorizedInvoke.run(BaseWSServlet.java:124)
at weblogic.wsee.server.servlet.BaseWSServlet.service(BaseWSServlet.java:53)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:225)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:127)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:272)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:165)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3153)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:1973)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1880)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1310)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)
; nested exception is: java.lang.NullPointerException
at weblogic.ejb.container.internal.EJBRuntimeUtils.throwEJBException(EJBRuntimeUtils.java:141)
at weblogic.ejb.container.internal.BaseLocalObject.handleSystemException(BaseLocalObject.java:643)
at weblogic.ejb.container.internal.BaseLocalObject.handleSystemException(BaseLocalObject.java:604)
at weblogic.ejb.container.internal.BaseLocalObject.postInvoke1(BaseLocalObject.java:347)
at weblogic.ejb.container.internal.BaseLocalObject.postInvokeTxRetry(BaseLocalObject.java:286)
Truncated. see log file for complete stacktrace

Jason Gilman wrote:
We are using weblogic 9.1 CMP entity beans with BEA's XA oracle driver. We have a bean called User that has a many address beans. When calling the getAddresses method on a UserLocal a NullPointerException gets thrown if the stateless session bean method that is marked as @LocalMethod(transactionAttribute=Constants.TransactionAttribute.SUPPORTS). If we change it to REQUIRED the method returns addresses successfully. Does anyone have any ideas as to what could be causing this? Below is the stack trace
My best guess is that an exception is occurring and when weblogic tries to handle the exception EJBRuntimeUtils.throwEJBException encounters the NullPointerException.
Open an official support case. This has nothing to do with jdbc.
Joe
>
>
javax.ejb.EJBException: EJB Exception: : java.lang.NullPointerException
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68__WebLogic_CMP_RDBMS_addresses_Set.<init>(echo_user_User_l47u68__WebLogic_CMP_RDBMS_addresses_Set.java
:93)
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68__WebLogic_CMP_RDBMS.getAddresses(echo_user_User_l47u68__WebLogic_CMP_RDBMS.java:1161)
at gov.nasa.echo.dataaccessobjects.user.echo_user_User_l47u68_ELOImpl.getAddresses(echo_user_User_l47u68_ELOImpl.java:770)
at gov.nasa.echo.subsystems.user.UserTypeMap.convertUser(UserTypeMap.java:66)
at gov.nasa.echo.subsystems.user.UserSubsystem.getUserByUserId(UserSubsystem.java:321)
at gov.nasa.echo.subsystems.user.UserSubsystem.getUsersByUserId(UserSubsystem.java:302)
at gov.nasa.echo.services.authentication.AuthenticationServiceBean.login(AuthenticationServiceBean.java:442)
at gov.nasa.echo.services.authentication.AuthenticationServiceBean_plcr77_ELOImpl.login(AuthenticationServiceBean_plcr77_ELOImpl.java:1001)
at gov.nasa.echo.v8.AuthenticationServicePortImpl.login(AuthenticationServicePortImpl.java:105)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at weblogic.wsee.component.pojo.JavaClassComponent.invoke(JavaClassComponent.java:91)
at weblogic.wsee.ws.dispatch.server.ComponentHandler.handleRequest(ComponentHandler.java:68)
at weblogic.wsee.handler.HandlerIterator.handleRequest(HandlerIterator.java:127)
at weblogic.wsee.ws.dispatch.server.ServerDispatcher.dispatch(ServerDispatcher.java:84)
at weblogic.wsee.ws.WsSkel.invoke(WsSkel.java:60)
at weblogic.wsee.server.servlet.SoapProcessor.handlePost(SoapProcessor.java:66)
at weblogic.wsee.server.servlet.SoapProcessor.process(SoapProcessor.java:44)
at weblogic.wsee.server.servlet.BaseWSServlet$AuthorizedInvoke.run(BaseWSServlet.java:124)
at weblogic.wsee.server.servlet.BaseWSServlet.service(BaseWSServlet.java:53)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:225)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:127)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:272)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:165)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3153)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:1973)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1880)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1310)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)
; nested exception is: java.lang.NullPointerException
at weblogic.ejb.container.internal.EJBRuntimeUtils.throwEJBException(EJBRuntimeUtils.java:141)
at weblogic.ejb.container.internal.BaseLocalObject.handleSystemException(BaseLocalObject.java:643)
at weblogic.ejb.container.internal.BaseLocalObject.handleSystemException(BaseLocalObject.java:604)
at weblogic.ejb.container.internal.BaseLocalObject.postInvoke1(BaseLocalObject.java:347)
at weblogic.ejb.container.internal.BaseLocalObject.postInvokeTxRetry(BaseLocalObject.java:286)
Truncated. see log file for complete stacktrace

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Fix for ASDoc throws error when using getter methods for pseudo-inheritance of static constants
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 fname TYPE addr3_data-name_first,
 initials TYPE addr3_data-initials,
 nickname TYPE addr3_data-nickname,
 function TYPE addr3_data-function,
 END OF it_input.
DATA: gt_lines TYPE sy-tabix,
 gt_file TYPE filetable,
 wa_file TYPE filetable,
 gt_subrc TYPE i.
*CONSTANTS
CONSTANTS: c_mask(60) TYPE c VALUE ',..'.
*Selection Screen
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-001.
PARAMETERS: p_input LIKE rlgrap-filename.
SELECTION-SCREEN END OF BLOCK b1.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_input.
CALL METHOD cl_gui_frontend_services=>file_open_dialog
 EXPORTING
 WINDOW_TITLE =
 DEFAULT_EXTENSION =
 DEFAULT_FILENAME =
 FILE_FILTER =
 initial_directory = 'C:\Temp\'
 multiselection = 'X'
 CHANGING
 file_table = gt_file[]
 rc = gt_subrc
 USER_ACTION =
 EXCEPTIONS
 file_open_dialog_failed = 1
 cntl_error = 2
 error_no_gui = 3
 OTHERS = 4.
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*START-OF-SELECTION
START-OF-SELECTION.
PERFORM put_in_itab.
PERFORM process_records.
*& Form get_files
 text
FORM put_in_itab.
DATA: lv_file TYPE string.
lv_file = p_input.
CALL FUNCTION 'GUI_UPLOAD'
 EXPORTING
 filename = lv_file
 FILETYPE = 'ASC'
 has_field_separator = 'X'
 HEADER_LENGTH = 0
 READ_BY_LINE = 'X'
 DAT_MODE = ' '
 CODEPAGE = ' '
 IGNORE_CERR = ABAP_TRUE
 REPLACEMENT = '#'
 CHECK_BOM = ' '
 VIRUS_SCAN_PROFILE =
 NO_AUTH_CHECK = ' '
IMPORTING
 FILELENGTH =
 HEADER =
 TABLES
 data_tab = it_input
 EXCEPTIONS
 file_open_error = 1
 file_read_error = 2
 no_batch = 3
 gui_refuse_filetransfer = 4
 invalid_type = 5
 no_authority = 6
 unknown_error = 7
 bad_data_format = 8
 header_not_allowed = 9
 separator_not_allowed = 10
 header_too_long = 11
 unknown_dp_error = 12
 access_denied = 13
 dp_out_of_memory = 14
 disk_full = 15
 dp_timeout = 16
 OTHERS = 17
IF sy-subrc <> 0.
 MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ELSE.
 DESCRIBE TABLE it_input LINES gt_lines.
ENDIF.
ENDFORM. "get_files
*& Form process_records
 text
FORM process_records.
LOOP AT it_input.
ENDLOOP.
ENDFORM. "process_records

Hii viraylab,
go throgh this link..This sample code solves ur problem....
/people/milind.upasani/blog/2007/03/07/step-by-step-approach-to-ceate-simple-bdc-session-program-using-reusable-template
 U are new to BDC it seems...
 first u read the sap help ... then u will come know what to do after wards....
 http://help.sap.com/saphelp_47x200/helpdata/en/fa/097720543b11d1898e0000e8322d00/frameset.htm
Be familiar with the structure BDCDATA.
Data transfers In this page..
Next u need to know about the transaction RECORDER the tcode is SHDB.
Nothing is difficult in this ..
For example When u r creating a data element in SE11 u go through some screens in a flow, by clicking some pushbuttons and by generating some function codes manually, and entering values manually...
But here u wont do it manually, these values will be populated from file into an internal table...
Before calling a transaction into which u r going to populate the data is to be filled into a table with structure BDCDATA.
U need to use CALL TRANSACTION 'SE11' using BDCDATA or
the session method..
Reward points for helpful answers...
sai ramesh

EJBException thrown when using EntityBean

I am currently developing on the BEA Weblogic server 8.1 on Win2k SP4. The application
is currently up and running under Weblogic. I've added a new EntityBean (along
with the necessarn DB tables, classes, and descriptor file updates). Everything
compiles and the jar file builds. However, when I run the application and attempt
to access the new bean I get the following runtime exception:
javax.ejb.EJBException: Attempt to pass a reference to an EJBLocalObject to a
remote client. A local EJB component may only be accessed by clients co-located
in the same ear or standalone jar file..
javax.ejb.EJBException: Attempt to pass a reference to an EJBLocalObject to a
remote client. A local EJB component may only be accessed by clients co-located
in the same ear or standalone jar file.
at com.jsims.ws.ejbgame.ejb.Metadata_na2102_ELOImpl.writeObject(Ljava.io.ObjectOutputStream;)V(Metadata_na2102_ELOImpl.java:355)
at COM.jrockit.reflect.NativeMethodInvoker.invoke0(ILjava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Native
Method)
where Metadata is the new bean added to the system. Could someone give me a clue
as to how I would start to debug this problem? I've gone over every file and I
can't see any issues.
Thanks in advance.

Right, but you're returning a Collection of EJBLocalObjects. That's the
problem.
-- Rob
Bill Beebe wrote:
Rob Woollen <[email protected]> wrote:
It looks like your GameFacade EJB has a remote call trying to return
the
Local Metadata EJBI wish that were true, but it's just returning a Collection. I've attached another
file that includes code snippets of the various classes (from the client to the
EJBs) stripped down to their bare essentials as well as the section in the ejb-jar.xml
file where the ejb is defined.
Here is the home interface class:
package com.jsims.ws.ejbgame.ejb;
import java.util.Collection;
import javax.ejb.EJBLocalHome;
import javax.ejb.CreateException;
import javax.ejb.FinderException;
public interface MetadataHome extends EJBLocalHome
public static final String
JNDI_NAME = "cirrus/ejb/Metadata";
public MetadataLocal create(
String toeId,
String entityName,
Integer count,
String entityType,
Integer parent,
String symbolCode)
throws
CreateException;
public MetadataLocal findByPrimaryKey(MetadataKey primeKey)
throws FinderException;
public Collection findAllUnits()
throws FinderException;
public Collection findUnitEgs(String toeId)
throws FinderException;
public Collection findAllByDomain(String domain)
throws FinderException;
Here is the EJBLocalObject definition:
package com.jsims.ws.ejbgame.ejb;
import javax.ejb.EJBLocalObject;
* The local interface for the Metadata bean.
public interface MetadataLocal extends EJBLocalObject
public String getToeId();
public String getEntityName();
public Integer getCount();
public String getEntityType();
public Integer getParent();
public String getSymbolCode();
Here are the methods defined in GameFacade (and Bean):
public interface GameFacade extends EJBObject
public Collection getUnitsByDomain(String domain)
throws RemoteException;
Here is the implementation in the bean:
public class GameFacadeBean
extends NullEventListener
implements SessionBean
public Collection getUnitsByDomain(String domainName)
Collection
domainUnits = Collections.EMPTY_LIST;
try
domainUnits = metadataHome.findAllByDomain(domainName);
catch(FinderException ex)
ex.printStackTrace();
domainUnits = Collections.EMPTY_LIST;
return domainUnits;
and here is where it is being used on the client:
public TemplateView(int en, Framework fw)
framework = fw;
// Get the GameFacade and perform the query.
Collection
templates =
framework.getGame().getUnitsByDomain(domainName);
Here is the definition in the ejb-jar.xml entry:
<entity>
<display-name>Metadata</display-name>
<ejb-name>Metadata</ejb-name>
<local-home>com.jsims.ws.ejbgame.ejb.MetadataHome</local-home>
<local>com.jsims.ws.ejbgame.ejb.MetadataLocal</local>
<ejb-class>com.jsims.ws.ejbgame.ejb.MetadataBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>com.jsims.ws.ejbgame.ejb.MetadataKey</prim-key-class>
<reentrant>False</reentrant>
<abstract-schema-name>Metadata</abstract-schema-name>
<cmp-field>
<field-name>toeId</field-name>
</cmp-field>
<cmp-field>
<field-name>entityName</field-name>
</cmp-field>
<cmp-field>
<field-name>count</field-name>
</cmp-field>
<cmp-field>
<field-name>entityType</field-name>
</cmp-field>
<cmp-field>
<field-name>parent</field-name>
</cmp-field>
<cmp-field>
<field-name>symbolCode</field-name>
</cmp-field>
<query>
<query-method>
<method-name>findAllUnits</method-name>
<method-params/>
</query-method>
<ejb-ql>SELECT OBJECT(f) FROM Metadata AS f WHERE f.count = 0 OrderBy f.toeId</ejb-ql>
</query>
<query>
<query-method>
<method-name>findUnitEgs</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
<ejb-ql>SELECT OBJECT(f) FROM Metadata AS f WHERE f.toeId = ?1 AND f.count > 0 OrderBy f.count</ejb-ql>
</query>
<query>
<query-method>
<method-name>findAllByDomain</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
<ejb-ql>SELECT OBJECT(f) FROM Metadata AS f, TOE as t, ToeTemplateMappings as t2 WHERE f.toeId = t2.toeId AND t2.templateId = t.templateId AND t.domain=?1 and f.count = 0 OrderBy f.toeId</ejb-ql>
</query>

</entity>

Invalid meta tag generated when using XHTML method

Hi,
I'm trying to generate an XHTML file using XSL and the XHTML output method. However, transformation results in adding the following XHTML-invalid meta tag (uppercase and non-closing) in the head tag:
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
Is it a bug in the XDK or am I missing something? Transform is performed using the JXTransformer provided in 11g.
Thanks in advance,
Stephane
input file:
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xml:lang='en' lang='en' xmlns='http://www.w3.org/1999/xhtml'>
<head>
 <title>Some title</title>
</head>
<body></body>
</html>
xsl file:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xhtml="http://www.w3.org/1999/xhtml">
 <xsl:output method="xhtml"
doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"/>
<xsl:template match="*">
 <xsl:element name="{local-name()}" namespace="http://www.w3.org/1999/xhtml">
 <xsl:apply-templates />
 </xsl:element>
</xsl:template>
</xsl:stylesheet>
output:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
*<META http-equiv="Content-Type" content="text/html; charset=UTF-8">*
<title>Some title</title></head><body></body></html>

For some reason when I use MapForce tool to generate my xslt mapping source, it is generating the following statement in the xsl file.
 <xsl:namespace-alias stylesheet-prefix="n" result-prefix="#default"/>
So at the root element of XML file, it is replacing the character n with '#default' for some reason, I don;t know the purpose of this.
As you suggested, I changed the name space, still I experienced same problem.
It is now resolved after removing the above xsl statement from the xsl file before creating/uploading the relevant zip file into archives folder.
It works fine now. Thanks for the clue.

Uri-escaping in XSLT-Processor when using html-method in xsl:output

I've a problem with the XSLT-Processor:
He tries to escape non-ASCII Characters in the href-Attribute when I use the output method "html". This is correct according to XSLT 1.0 and HTML4, but the processor doesn't really escape the characters, he just gives me a %3F ('?'-character) instead of %HH (where HH corresponds to the hex value of the char).
I searched the forums and found a thread with the same problem, but there was no solution to this issue. The thread was started in 2002 so maybe someone came up with a solution.

Add the non-ascii character to <xsl:text disable-output-escaping="yes"></xsl:text>

NullPointerException thrown when using get method in CMR relationship outsi

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