[7.6.0] Client crash - VisualCron

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ErikC
Paid support Topic Starter

2015-02-27T08:15:34Z

Hi,

I was checking my tasks and i do not know excaclty what I did, but I think I was checking my on error settings of a File Delete task.
My client crashed spontaniously.

2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Before InitCompare
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Before Compare
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Compare complete
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Difflist done
2/27/2015 8:53:37 AM	Info	User 'xxxxxxxxxxxx' - Updated Task: Delete zips op G: ouder dan 14 dagen
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Before InitCompare
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Before Compare
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Compare complete
2/27/2015 8:53:37 AM	Debug	API->GetObjectDiff->Difflist done
2/27/2015 8:53:37 AM	Err	ClientError: Collection was modified; enumeration operation may not execute.: 
Server stack trace: 
   at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
   at System.Collections.Generic.List`1.Enumerator.MoveNext()
   at WriteArrayOfTaskClassToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract )
   at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContextComplex.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at WriteJobClassToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , ClassDataContract )
   at System.Runtime.Serialization.ClassDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContextComplex.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerializeReference(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at WriteMessageClassToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , ClassDataContract )
   at System.Runtime.Serialization.ClassDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContextComplex.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclar
2/27/2015 8:53:37 AM	Err	ClientError: The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it has been Aborted.: 
Server stack trace: 
   at System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposedOrNotOpen()
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at CommServer.Classes.WCF.IWCFServiceCallback.OnMessageReceived(Message message)
   at CommServer.Classes.WCF.WCFServiceContract.Send(Message message)

Regards
Erik

Edited by user 2015-03-03T07:47:34Z | Reason: Not specified

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Support
Official support

2015-02-27T08:18:47Z

Did you click ok to save the Task? How many Tasks do you have? Do you know if you did any change to it or if the Job was running?

Henrik
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ErikC
Paid support Topic Starter

2015-02-27T08:25:35Z

I'm guessing here, but I think I did not change anything and cancelled out of the window.
I also don't know which job I was in. I was in a trance cheching my file delete tasks on the on error tab.
So how many tasks my job had... sorry don't know which job i was looking at.

If I encounter it again i let you know. I might have some more info.

regards
Erik

Uses Visualcron since 2006.

ErikC
Paid support Topic Starter

2015-02-27T08:47:27Z

Back again ..

I had the same crash again. I was removing a flow from a task this time saving the task.
The job had 4 tasks and I removes a flow line from a file delete task.

The logging of this crash is the same as the 1st post.

regards
Erik

Uses Visualcron since 2006.

Support
Official support

2015-02-27T08:56:33Z

Originally Posted by: ErikC

Back again ..

I had the same crash again. I was removing a flow from a task this time saving the task.
The job had 4 tasks and I removes a flow line from a file delete task.

The logging of this crash is the same as the 1st post.

regards
Erik

We had a similar problem for deleting a Task. Can you reproduce this? If so, can you test reproducing this in 7.6.1. too?

Henrik
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ErikC
Paid support Topic Starter

2015-02-27T09:06:15Z

I'll try.

I had this cracsh now 5 times I think, all with the delete flow and save action. It doesn't happen all the time, so I'll try to reproduce it on 7.6.1

Regards
Erik

Uses Visualcron since 2006.

ErikC
Paid support Topic Starter

2015-02-27T13:07:44Z

Till now I did not try to check it on 7.6.1, but I had a lot of troubles here.
My client keeps crashing, and after several times the client will not load my jobs anymore.
I have to restart the whole server to make it working again.

Because I have to remove file write notifications on all tasks I thought I create a nice app (using API) for this to do.
But this has the same result. After a few flow notification changes, the connection is lost. Result is my client crashes even faster 😊

My C# code is very simple:

            if (s.Connected)
            {               
                List<JobClass> jobs = s.Jobs.GetAll();

                for (int i = 0; i < jobs.Count; i++)
                {
                    JobClass job = jobs[i];
                    List<TaskClass> tasks = job.Tasks;
                    for (int j = 0; j < tasks.Count; j++)
                    {
                        TaskClass task = tasks[j];
                        List<FlowClass> flows = task.Flow;
                        for (int k = 0; k < flows.Count; k++)
                        {
                            FlowClass flow = flows[k];

                            if (flow.NotificationId == "acbc3631-9ad4-4220-beed-8ed8eab1d8d7")
                            {
                                task.Flow.Remove(flow);
                                s.Jobs.Tasks.Update(task);
                            }
                        }
                    }                    
                }
            }

It takes a moment to remove the flow / update the task, but after a few modifications the connection is lost generating the error in my 1st post here on server level and if this happens all the upcomming itterations fail.

As we want to use the flow how it should be, I hope you have a solution asap.

Regards,
Erik 😞

Uses Visualcron since 2006.

ErikC
Paid support Topic Starter

2015-02-27T13:53:19Z

It's the same in 7.6.1

I created a wait task with a on complete file write task.
When i cloned this task like 20 times the client chrashed itself (different error. I'll post it in the beta topic).

After running my code wit the dll's for 7.6.1 I got the same error as 7.6.0.

Regards,
Erik

Uses Visualcron since 2006.

Support
Official support

2015-02-27T14:50:11Z

Could you please test this version now: http://www.visualcron.co....aspx?g=posts&t=4830

If it does not work then please send the latest code you use for reproducing the error.

Henrik
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Support
Official support

2015-03-01T09:01:10Z

#10

We have tried to reproduce this with the latest build all weekend but we can't. If you can, please export your settings and send to us and tell us exactly what to do to reproduce this.

Henrik
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ErikC
Paid support Topic Starter

2015-03-02T07:40:27Z

#11

Hi,

I tried to reproduce it wit the Friday build and I succeeded.
I emailed you with the server logs and added a reply in the 7.6.1 beta topic. (here )

Regards
Erik

Uses Visualcron since 2006.

Support
Official support

2015-03-02T19:47:51Z

#12

Thank you for all the feedback and patience. Official 7.6.1. has been released today where we have fixed this issue.

Henrik
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