EJB method parameters are sent but nulls are received

My client calls my EJB method passing two serializable objects as parameters.
Using print statements and a network snoop I have confirmed that:
- the client is calling the method with valid objects
- from examining the data it appears that the objects are being serialized and sent across the network
- the EJB seems to receive null values.
I have deployed the EJB to both 9iAS and a standalone instance of OC4J with exactly the same results.
Any ideas?

Hi Dale and Kamesh,
No error messages? Nothing in the log files? Have you tried running OC4J in debug mode? In case you haven't already seen it, this "Technical Note" has more details.
Pardon me if I am stating the obvious, but it seems like there is a deserialization problem. Are the client JVM and server JVM both the same version? Have you implemented custom [de]serialization for the parameter classes? Is the same version of the parameter class files located both at the client and at the server?
Good Luck,
Avi.

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[2012-10-14T21:05:47.610+05:30] [soa_server1] [ERROR] [] [oracle.soa.services.workflow.task] [tid: [ACTIVE].ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: Amar.Kant] [ecid: 1416ca41dee3590b:5c59d6e4:13a59f6159b:-8000-0000000000021e0b,0] [APP: soa-infra] [composite_name: ARCN] [component_name: CNRequestTask] [component_instance_id: 204583] [composite_instance_id: 1470009] <.> Error in invoking task validation callbacks.[[
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 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
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 at oracle.bpel.services.workflow.task.impl.TaskValidationCallbackInvoker.executeJavaCallback(TaskValidationCallbackInvoker.java:191)
 ... 344 more
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 at com.atc.arcn.util.TaskReminderService.getTaskDetails(TaskReminderService.java:72)
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 at com.atc.arcn.callbacks.BaseTaskValidator.validateTaskOperation(BaseTaskValidator.java:52)
 ... 349 more
Please help on this issue.It is little bit urgent for us to resolve.
Thanks in advanced.

Thanks for reply Ravi.
The NullPointerException is beacuse of JNDI problem,we resolved that issue.We are able to create the ejb instance but with that instance when we are trying to call ejb method,we are getting the below error in console and the BPM instance is not getting created.
We are able to create the instance of the EJB Bean.But when we try to call the method of EJB Bean(getTaskDetailsByTaskName(taskName)),the BPM instance is not getting created from BPM workspace.If we comment the code for the method of EJB Bean(getTaskDetailsByTaskName(taskName)) able to create the instance from BPM workspace.When we checked the log file this error,it is
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 at oracle.bpm.papi.ora.util.ApplicationExecution11G.beginExecution(ApplicationExecution11G.java:56)
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 at oracle.bpm.workspace.model.common.ExecutionBean.handleExternalInstanceExecution(ExecutionBean.java:171)
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Exception
exception.70204.type: error
exception.70204.severity: 2
exception.70204.name: Error creating process instance.
exception.70204.description: Error creating instance for target process default/ARCN!1.0*/ARCN.
exception.70204.fix: Verify server log to find the problem cause.
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Could you please suggest me on this issue.
Thanks,
Narasimha

HT5312 Can't get iMessage to work on my iMac . i put my iPhone # in is says waiting to verify. who is verifying this send that email was sent but to who.

Can't get my Imessage to work on my imac . I put my iphone # in and it said verifyiing then said email sent,but i never received an email now it says waiting to verify but by who.

Download the demo and activate with your serial number:
http://prodesigntools.com/download-adobe-cs4-and-cs3-free-trials-here.html
Be sure to follow the special instructions.
You will also probably need to run the un-installer first to clean up the old files.

Texts that i send to another phone are received blank

so i noticed when i send a text to certain person if the text is more than 2 lines long it will say its sent but the person receives it blank i believe this happens when i send it to a person that is using sprint. when i send it to another person i can send a much larger text without them getting it as a blank text does anyone know why this is happening ?

Might be the limit the recipient has on SMS messages.
Most carriers limit the amount of characters an SMS can have when sending/receiving.
As the issue only occurs while sending to Sprint and you don't have the issue with other carriers, the issue would lie with AT&T or the other Carrier/Phone.
Hope this helps.

Customizing Controller Parameters are null. Please check Default Profile.

Hello,
since last week we get the following error when trying to select an image or intenal link on an xml form (any xml form).
Customizing Controller Parameters are null. Please check Default Profile.
And this is the full trace obtained:
com.sapportals.wcm.WcmException: Customizing Controller Parameters are null. Please check Default Profile.
     at com.sapportals.wcm.repository.service.layout.cm.customizing.CustomizingController.getInstance(CustomizingController.java:163)
     at sun.reflect.GeneratedMethodAccessor403.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:331)
     at com.sapportals.wcm.repository.service.layout.customizing.CustomizingControllerFactory.createCustomizingController(CustomizingControllerFactory.java:141)
The layout set in case of a document selection is ConsumerSelectorWithUpload_EP and in case of an image is ConsumerThumbnailSelector_EP. In both cases the Layout Set seems correct, because when I use them in an iView it works correctly.
I don't think it is a problem of the xml form, because we haven't change anything of them and suddenly this error started to appear.
Has anybody had the same error?
Thank your.
Regards.
Mireia Romo

Hello Srinivasa,
from a quick scan of the message it seems to be a rendering error rather than a TREX error. But I am not sure. You may need to log a support message to SAP.
Before you do that, check the SDN postings by user "Jochen Goenninger" they contain the most common configuration errors in EP-KM to TREX communication.
Regards, Karsten

Argument Error: One or more parameters are null.

I am getting "javax.servlet.jsp.JspException: Argument Error: One or more parameters are null". Following are first two lines of the exception
javax.servlet.jsp.JspException: Argument Error: One or more parameters are null. at com.sun.faces.taglib.html_basic.PanelGridTag.doEndTag(PanelGridTag.java:470) at empEditById.jspService(_empEditById.java:290)
Can anyone help me out with this.

I don't know which part of jsp code is giving problem. Here is the complete listing
<f:view>
<html>
 <head>
 <meta http-equiv="Content-Type"
 content="text/html; charset=windows-1252"/>
 <title>Main</title>
 </head>
 <body><h:form>
 
 Employee Edit
 
 
 <h:messages/>
 
 <h:panelGrid columns="3">
 <h:outputLabel value="Employee Id:"/>
 <h:inputText id="empId" disabled="true"
 value="#{b_empEditById.empId}"/>
 <h:panelGroup/>
 <h:outputLabel value="First Name:"/>
 <h:inputText id="firstName" required="true"
 value="#{b_empEditById.firstName}"/>
 <h:message for="firstName"/>
 <h:outputLabel value="Last Name:"/>
 <h:inputText id="lastName" required="true"
 value="#{b_empEditById.lastName}"/>
 <h:message for="lastName"/>
 <h:outputLabel value="Hire Date:"/>
 <h:inputText id="hireDate" value="#{b_empEditById.hireDate}">
 <f:convertDateTime pattern="dd-MM-yyyy"/>
 </h:inputText>
 <h:message for="hireDate"/>
 <h:outputLabel value="Reports To:"/>
 <h:selectOneMenu id="reportsTo"
 value="#{b_empEditById.reportsTo}">
 <f:selectItems value="#{requestScope.b_empEditById.selectAllEmployees}"/>
 </h:selectOneMenu>
 <h:message for="reportsTo"/>
 <h:commandButton value="Confirm" id="edit"
 action="#{b_empEditById.confirm}"/>
 <h:commandButton value="Back" type="submit" immediate="true"
 action="back"/>
 </h:panelGrid>
 
 </h:form></body>
</html>
</f:view>I am using Oracle jdeveloper 10g but I don't which version of JSF I am using.

E-mail messages sent, are received not in the paragraph-form as sent, but

Dear Friends,
E-mail messages sent, are received not in the paragraph-form as sent, but are broken-up into small segments, one line finely printed, the next line may appear with just two or three words printed on it, then the next line will show a few words at the end of it, while the next line appears as the start of another paragraph, and so on and on and on. So that the original message, although sent in the one paragraph-form, winds up being received as several paragraphs, each broken up into several segments. My contacting Apple has produced no solution thus far. I am new at this computer business and would greatly appreciate any help you can give me on this score. Thanking you in advance for your interest and kind help.
Yours Truly,
GMS.

Dear Friends,
E-mail messages sent, are received not in the paragraph-form as sent, but are broken-up into small segments, one line finely printed, the next line may appear with two or three words printed on it, then the next line will show a few words at the end of it, while the next line appears as the start of another paragraph, and so on and on and on. So that the original message, although sent in the one paragraph-form, winds up being received as several paragraphs, each broken up into several segments. My contacting Apple has produced no solution thus far. I am new at this computer
business and would greatly appreciate any help you can give me on this score. Thanking you in advance for your interest and kind help.
Yours Truly,
Broduff.

Updated to iOS 5 and now photos sent with text message show as sent, but are not received to an iPhone that has not been updated.

Updated to iOS 5 and tried sending a message with a phot to an iPhone that has not been updated. My message shows as sent, but neither the text or photo are received. Text alone works fine.

This is being caused by using the same Apple ID for iMessage. To fix this you have two choices:
On all but one of the phones go to Settings>Messages>Send & Receive, tap the ID, sign out, then sign back in with a different ID. Note: you can still share the same ID for purchasing in Settings>iTunes & App Stores; or
On all of the phones go to Settings>Messages>Send & Receive and uncheck the email address(es) shown under "You can be reached by iMessage at".

Email seems to be sent, but it doesn't arrive. No 'unable to send' message, sent items and draft folders are empty. The mail disappears.

Email seems to be sent, but it doesn't arrive. No 'unable to send' message, sent items and draft folders are empty. The mail disappears. I tried to fully turn off the iPad and have it restart. But it doesn't go off. I keep seeing the small white 'turning wheel' untill the battery is gone. After that, it works again (and so does the e-mail). This happens about every week. What can I do?

*there's no reason to be paranoid*
Says Mulder .
Anyway, as I mentioned, I don't use any sync-able email, just a very plain-jane POP email provider. iSync reports no devices and has nothing in its log, which matches my never having installed anything in need of syncing.
The thing is, if Mail says its sending something when nothing was ever sent, that's a largish bug whether it is actually sending something or isn't, and there isn't really enough info here to know which of those are the case. Maybe Mail just displays "Sending" because an attempt to do something reasonable is timing out, maybe it does an innocuous and normal POP thing using very confusing nomenclature, or maybe it's really trying to send something which has a wrong flag or something. There isn't really enough info to know what is going on, so I was hoping someone could identify the symptoms.

EJB method parameters are sent but nulls are received

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