A cycle is detected in the object graph. This will cause an infinite loop.

People,
Looking for a little guidance. Please point me in the correct direction if I am mistaken. I am using Jersey 2.11 and generating JAXB definitions from XSD.
I have a periodic exception that seems to be timing based. If I change the timing of the message sent in anyway the error does not occur. The other issue is that the cycle reported in the error changes some times, however, the cycles reported can not occur based on the XSD definition. I have also dumped the message before sending and it definitely does not contain the cycle reported.
In this specific scenario, I am sending a message of NotificationType which contains a list of DocumentType, however, DocumentType can never contain NotificationType so the following cycle is not possible:
net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3 -> net.es.nsi.pce.discovery.jaxb.NotificationType@7f06bc07 -> net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3]
I am wondering if there could be a different reason for receiving the following exception?
Thank you for the help,
John
[code]
[ERROR] [08/22/2014 11:16:22.307] [NSI-DISCOVERY-akka.actor.default-dispatcher-4] [akka://NSI-DISCOVERY/user/discovery-notificationRouter/$c] HTTP 500 Internal Server Error
javax.ws.rs.ProcessingException: HTTP 500 Internal Server Error
        at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:255)
        at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:667)
        at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:664)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:228)        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:424)
        at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:664)
        at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:424)
        at org.glassfish.jersey.client.JerseyInvocation$Builder.post(JerseyInvocation.java:333)
        at net.es.nsi.pce.discovery.actors.NotificationActor.onReceive(NotificationActor.java:100)
        at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167)
        at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
        at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97)        at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
        at akka.actor.ActorCell.invoke(ActorCell.scala:487)
        at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
        at akka.dispatch.Mailbox.run(Mailbox.scala:220)
        at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
        at org.glassfish.jersey.message.internal.AbstractJaxbElementProvider.writeTo(AbstractJaxbElementProvider.java:152)
        at org.glassfish.jersey.message.internal.AbstractJaxbElementProvider.writeTo(AbstractJaxbElementProvider.java:85)
        at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.invokeWriteTo(WriterInterceptorExecutor.java:265)
        at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.aroundWriteTo(WriterInterceptorExecutor.java:250)
        at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
        at org.glassfish.jersey.filter.LoggingFilter.aroundWriteTo(LoggingFilter.java:293)
        at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
        at org.glassfish.jersey.message.internal.MessageBodyFactory.writeTo(MessageBodyFactory.java:1154)
        at org.glassfish.jersey.client.ClientRequest.writeEntity(ClientRequest.java:503)
        at org.glassfish.jersey.client.HttpUrlConnector._apply(HttpUrlConnector.java:315)
        at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:227)
        at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:246)
        ... 22 more
Caused by: javax.xml.bind.MarshalException
- with linked exception:
[Exception [EclipseLink-25003] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: An error occurred marshalling the object
Internal Exception: Exception [EclipseLink-25037] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: A cycle is detected in the object graph. This will cause an infinite loop: net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3 -> net.es.nsi.pce.discovery.jaxb.NotificationType@7f06bc07 -> net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3]
        at org.eclipse.persistence.jaxb.JAXBMarshaller.marshal(JAXBMarshaller.java:403)
        at org.glassfish.jersey.message.internal.XmlJaxbElementProvider.writeTo(XmlJaxbElementProvider.java:139)
        at org.glassfish.jersey.message.internal.AbstractJaxbElementProvider.writeTo(AbstractJaxbElementProvider.java:150)
        ... 33 more
Caused by: Exception [EclipseLink-25003] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: An error occurred marshalling the object
Internal Exception: Exception [EclipseLink-25037] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: A cycle is detected in the object graph. This will cause an infinite loop: net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3 -> net.es.nsi.pce.discovery.jaxb.NotificationType@7f06bc07 -> net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3
        at org.eclipse.persistence.exceptions.XMLMarshalException.marshalException(XMLMarshalException.java:97)
        at org.eclipse.persistence.internal.oxm.XMLMarshaller.marshal(XMLMarshaller.java:911)
        at org.eclipse.persistence.internal.oxm.XMLMarshaller.marshal(XMLMarshaller.java:848)
        at org.eclipse.persistence.jaxb.JAXBMarshaller.marshal(JAXBMarshaller.java:401)
        ... 35 more
Caused by: Exception [EclipseLink-25037] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: A cycle is detected in the object graph. This will cause an infinite loop: net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3 -> net.es.nsi.pce.discovery.jaxb.NotificationType@7f06bc07 -> net.es.nsi.pce.discovery.jaxb.DocumentType@24d793f3
        at org.eclipse.persistence.exceptions.XMLMarshalException.objectCycleDetected(XMLMarshalException.java:400)
        at org.eclipse.persistence.internal.oxm.XPathObjectBuilder.buildRow(XPathObjectBuilder.java:207)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:118)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:1)
        at org.eclipse.persistence.internal.oxm.XMLCompositeObjectMappingNodeValue.marshalSingleValue(XMLCompositeObjectMappingNodeValue.java:237)
        at org.eclipse.persistence.internal.oxm.XMLCompositeObjectMappingNodeValue.marshal(XMLCompositeObjectMappingNodeValue.java:149)
        at org.eclipse.persistence.internal.oxm.NodeValue.marshal(NodeValue.java:102)
        at org.eclipse.persistence.internal.oxm.record.ObjectMarshalContext.marshal(ObjectMarshalContext.java:59)
        at org.eclipse.persistence.internal.oxm.XPathNode.marshal(XPathNode.java:393)
        at org.eclipse.persistence.internal.oxm.XPathObjectBuilder.buildRow(XPathObjectBuilder.java:238)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:118)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:1)
        at org.eclipse.persistence.internal.oxm.XMLCompositeCollectionMappingNodeValue.marshalSingleValue(XMLCompositeCollectionMappingNodeValue.java:321)
        at org.eclipse.persistence.internal.oxm.XMLCompositeCollectionMappingNodeValue.marshal(XMLCompositeCollectionMappingNodeValue.java:104)
        at org.eclipse.persistence.internal.oxm.NodeValue.marshal(NodeValue.java:149)
        at org.eclipse.persistence.internal.oxm.NodeValue.marshal(NodeValue.java:102)
        at org.eclipse.persistence.internal.oxm.record.ObjectMarshalContext.marshal(ObjectMarshalContext.java:59)
        at org.eclipse.persistence.internal.oxm.XPathNode.marshal(XPathNode.java:393)
        at org.eclipse.persistence.internal.oxm.XPathObjectBuilder.buildRow(XPathObjectBuilder.java:238)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:118)
        at org.eclipse.persistence.internal.oxm.TreeObjectBuilder.buildRow(TreeObjectBuilder.java:1)
        at org.eclipse.persistence.internal.oxm.XMLMarshaller.marshal(XMLMarshaller.java:743)
        at org.eclipse.persistence.internal.oxm.XMLMarshaller.marshal(XMLMarshaller.java:901)
        ... 37 more
[/code]

Unfortunately, even this thread is unanswered, i am closing the thread.as it it creating problems for further posting

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Edited by: chandra shekar dasari on Jul 16, 2009 1:48 PM:ver1te
Edited by: chandra shekar dasari on Jul 16, 2009 1:49 PM:code re

Unfortunately, even this thread is unanswered, i am closing the thread.as it it creating problems for further posting

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Hi gdedshg,
>>Maximum number of items that can be serialized or deserialized in an object graph is '65536'. Change the object graph or increase the MaxItemsInObjectGraph quota
When meet the above exception, please try to do the following configuration:
On the server side:
Add the following to the server's config file:
<behaviors>
<serviceBehaviors>
<behavior name="MyServiceBehavior">
<dataContractSerializer
maxItemsInObjectGraph="2147483647" />
</behavior>
</serviceBehaviors>
</behaviors>
And reference it in the service using the following code:
<services>
<service
behaviorConfiguration="MyServiceBehavior"
name="serviceName">……
On the client side:
Add the following:
<behaviors>
<endpointBehaviors>
<behavior name="MyClientbehavior">
<dataContractSerializer
maxItemsInObjectGraph="2147483647"/>
</behavior>
</endpointBehaviors>
</behaviors>
And reference it in the endpoint using the following code:
<endpoint address="serviceAddress"
behaviorConfiguration="MyClientbehavior"
For more information, please try to refer to the following article:
http://blog.aggregatedintelligence.com/2011/01/wcf-maxitemsinobjectgraph-error.html .
Best Regards,
Amy Peng
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This is a user to user forum: nobody here works for Apple, and we have no access to your case details. You are going to have to explain what your problem is if you want help from here. Please refrain from posting in all capitals.

When I log into hotmail, I cannot select part of an e-mail and print just the selection. This will work with other borowsers.

I can print an entire e-mail when I log into Hotmail using Firefox, but if I select part of the e-mail and tell the printer to print the selected part, all I get is a blank page coming from the printer.
I can print the selected text if I use Internet Exlporer as a browser to log into Hotmail.

Hi,
My dad told me he had this 'no selection' problem when he wanted to print out a selection in Hotmail, so I had a hunt around, but didn't find a definitive solution.
So, I have done some playing around, and have come up with this solution which works if you want to print out a selection in Hotmail (using firefox), but it is now greyed out.
It seems to be connected with the way that Hotmail handles frames.
(Thought I would post it as posts like this have helped me a ton in the past :0))
'''To print a selection in hotmail you need to do this.'''
1/ On the email you want to print click the small Printer icon in the hotmail menu.
There is no need to highlight a selection at this stage because the email is in a frame, so it will do no good anyway.
2/ A new page will open up and the printer dialog box will open up.
Close the printer dialog box.
3/ Highlight the text selection that you want to print on that page.
4/ Press Ctrl-P on the keyboard.
5/ The printer dialog box will now pop up again and you will be able to choose 'Selection'
Your selection will now print.

Mouse move to the edge of the tabitem and this will trigger mosueenter and mouseleave event again and again

I have registered the tabitem mouseenter and mouseleave event, and when user move the mouse in tabitem a block will follow, if mouse leave the block will return to the original position. Now I meet a weird thing, when I MOVE THE MOUSE TO THE EDGE OF TABITEM
CAREFULLY, the block will follow and return again and again. Have you ever meet this problem?
void fe_MouseLeave(object sender, MouseEventArgs e)
TabItem item = this.SelectedItem as TabItem;
if (item != null && item.IsVisible)
//block return to origin position
BeginAnimation(item);
void fe_MouseEnter(object sender, MouseEventArgs e)
TabItem item = sender as TabItem;
if (item != null && item.IsVisible)
//block go to the mouse position
BeginAnimation(item);

The MouseLeave and MouseEnter are routed events and this means that your event handlers will get invoked whenever a child element of the TabItem raises any of these events, for example when the mouse enters and leaves an element that is part of the control
template of the TabItem.
You also need to understand that the entire TabItem is not a single UI element. It is for example made up of a header and a content panel and this means that there will be at least one MouseLeave and one MouseEnter event raised when you move the mouse pointer
from the content panel area (which is made up of some elements) into the header area (which is made up of some other elements) and the other way around.
You need to reconsider your approach here because the MouseLeave and MouseEnter routed events will be fired even when the mouse pointer remains inside the area that you consider to belong to the single TabItem.
Please remember to mark all helpful posts as answer and then start a new thread if you have a new question. Please don't ask several questions in the same thread.

TS1717 iTunes "Terms and Conditions Have Changed Before you can proceed you must accept the terms and conditions" is on an infinite loop. No matter how many times I agree, when I go to update my apps the terms and conditions have changed link reappears.

Can anyone help me? Suddenly (i.e. just a few minutes ago) this problem has appeared. I attempted to update two apps on my iPad. The Terms and Conditions agreement comes up, I read the terms and conditions, I agree to them, I click AGREE, it disappears, I reclick on update and the Terms and Conditions agreement appears and we start the mobius strip all over again. I tried to see if it was just on my iPad by trying to download a new app on my iPhone. same problem. Anyone have advice on how to resolve this issue? Oh, and of course, Apple has declared my two new devices to be out of warranty and want me to pay to ask how to fix a problem caused by their own software. Lovely. so helpful. Hey Cupertino ... are you paying attention? I might start tweeting about this.

I updated the software on my iphone4 tonight and ran into this same endless loop - "itunes terms & conditions have been changed" - go to itunes, aceept - back to the "T&C have been changed message" with no ability to do anything in the app store until I accepted the new terms.
While not a very direct solution, I was able to finally accept the terms in a way that seem to register with apple by making a purchase through iTunes on my computer. This forced me through updating my payment information and updating my iTunes software to the latest edition (which I had not yet taken the time to do). After doing both of these, iTunes took me through the terms & conditions on two separate pages, but ultimately allowed me to purchase my song. Once I completed these steps, it fixed the problem on my phone, so now I can update my apps and download new ones without running into that loop.
Hope this helps!!!

I want to use the Function Generator VI to send command signals through the NI 7344 motion controller. This will be a closed loop servo valve system. I want to be able to change from say a square wave to a sine wave on the fly. Idea's?

I am going to run tests that require an actuator to move using various types of arbitrary waveforms such as sine or square. The NI 7344 is hooked to the UMI that is going through a driver for a servo valve. The loop is analog and it is closed. I have played with some of the examples but can't get it to work. I have used the function generator VI to generate a signal but I think I am using the wrong input VI to the motion control board. When I use what I have it moves the servo and then stops. It doesn't continually generate the signal.
I would love to use the controls on the function generator vi to control frequency and amplitude ect. Any help or pointer would be helpful. Thank you in advance.

Hello,
I'm not clear on exactly how you want to use the generated data but I'm assuming they will be used as your target points.
There's a built-in example for motion called 'One-Axis Contour Move.vi'. This example demonstrates how to provide your target points as 1-D array. All you need to do is to replace the input array with the output of the function generator. In order to have it run continuously, use a while loop. You can further program your application so that it'll change the waveform on the fly by monitoring the user interface but this might be little little tricky as you will need to reset the move and load the new generated points while keeping track of your current position.
I hope this helps. Let me know if you have further questions regarding this
application.
Best regards,
Yusuf C.
Applications Engineering
National Instruments

I have a Macbook which is running Snow Leopard. I back up using time machine to an external drive. If I purchase a new Apple Macbook pro running Lion if I use the backup to this will I be able to use Leopard on the new computer

I have a Macbook running Snow Leopard which I back up to an external drive using time machine. If I purchase a new MacBook pro and transfer backup from time maching to MacBook Pro will it also transfer Snow Leopard as its is my preferred O.S.

Welcome to Apple Support Communities.
If the new computer did not originally ship with Snow Leopard installed, no, you will not be able to go back from Lion. Snow Leopard lacks the necessary drivers required for newer hardware.

How Can we stop the execution of java program which contain infinite loop

Dear All,
I create one .bat file which which execute the simple java program
I write one java program which execute above .bat file using instance of Runtime Class of java
It's work fine if java program which is executed by .bat file is simple(Which has normal termination)
But if that program contain inifinte loop then that file will goes on executing untill I close it manually
So i want a solution in java which close that bat file (command window ) which is in running condtion
If there any solution please replay me
I try to close that .bat file using destroy() ,stop() method of Process and Runtime , Thread Class
but it did not give me correct output
.bat file still running !!!!!!!!!
Thanks in advance

Why not use javaw.exe to make the app run so you don't need the dos window (which is presumably what you are actually talking about when you say bat file).

HT201301 I have iTunes version 10 and the original iPad, this issue causes the iTunes application to hang.

I have tried multiple times to copy files from iTunes to my computer (PC). The iTunes application hangs after I click on the Save To... button.

I have tried multiple times to copy files from iTunes to my computer (PC). The iTunes application hangs after I click on the Save To... button.

A cycle is detected in the object graph. This will cause an infinite loop.

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