HTTP Response :500 unable to connect to remote system.

Hi,
I am doing proxy-xi-file scenario, where i am getting this error in sxmb_moni in R/3.
The error reads with red flag:
HTTP Response :500 unable to connect to remote system.
Please tell me what can be the reason.

Snehal,
Error: The error message 503 Service unavailable Application stopped! is displayed.
Description: The server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay MAY be indicated in a Retry-After header. If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.
Note: The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish to simply refuse the connection.
Possible Tips: Because of J2EE application com.sap.aii.af.ms.app not active
Try to (re)start the application using the Visual Administrator Choose Server --> Services --> Deploy --> View on Application or restart the J2EE engine
The problem is that not all J2EE services can be started by the J2EE. i.e Start the Visual Administrator and select Server->Services->Deploy in the tree on the left. On the right-hand side, choose the Runtime tab page. You see a tree in the right window with all applications if you select the APPLICATION radio button. Check if they are running, otherwise choose Start. Usually the J2EE engine starts all services automatically.
Refer SAP Note 803145,807000,791655
You can have a look on this blog for the same.
/people/krishna.moorthyp/blog/2006/07/23/http-errors-in-xi
Regards,
Sarvesh

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HTTP/1.1 500 Internal Server Error
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<SOAP:Envelope xmlns:SOAP='http://schemas.xmlsoap.org/soap/envelope/'>
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[E2010] [EWS] [C#] [Windows]: Unable to connect to remote server

I have a Windows Service that uses EWS to connect to a mailbox and do some things with certain emails. The service has been running for a while now, with little to no issues. Just recently the service will stop and when viewing the event log, we receive
the following error.
Error Message: The request failed. Unable to connect to the remote server
Inner Exception: System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full
   at System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress)
   at System.Net.Sockets.Socket.InternalBind(EndPoint localEP)
   at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
   at System.Net.Sockets.Socket.UnsafeBeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
   at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception)
   --- End of inner exception stack trace ---
   at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.Exchange.WebServices.Data.EwsHttpWebRequest.Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest.GetResponse()
   at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
Target Site: Microsoft.Exchange.WebServices.Data.IEwsHttpWebResponse GetEwsHttpWebResponse(Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest)
Source: Microsoft.Exchange.WebServices
Stack Trace:    at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
   at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ValidateAndEmitRequest(IEwsHttpWebRequest& request)
   at Microsoft.Exchange.WebServices.Data.MultiResponseServiceRequest`1.Execute()
   at Microsoft.Exchange.WebServices.Data.ExchangeService.FindItems[TItem](IEnumerable`1 parentFolderIds, SearchFilter searchFilter, String queryString, ViewBase view, Grouping groupBy, ServiceErrorHandling errorHandlingMode)
   at Microsoft.Exchange.WebServices.Data.ExchangeService.FindItems(FolderId parentFolderId, SearchFilter searchFilter, ViewBase view)
   at MyClass.CleanupDeletedItems()
   at MyClass.ReadEmail()
   at MyService.WorkerFunction()
This so far has only occured twice, but I am not sure if the issue is on the exchange servers, or the server where the service itself is running. Any ideas on what would cause this issue and how to go about fixing it?
If you find that my post has answered your question, please mark it as the answer. If you find my post to be helpful in anyway, please click vote as helpful.
Don't Retire Technet

Hi Clayman
Well it makes sense to me that the registry could help, checking the lines in the error code, it appears that the for some reason the server could not stablish a connection, the error states: because the system lacked sufficient buffer space or because a queue
was full.
It seems don't make sence untill you have a look at Socket Class (MSDN article), which say: The Socket class provides a rich set of methods and properties for network communications. The Socket class allows you to perform both synchronous and asynchronous data
transfer using any of the communication protocols listed in the ProtocolType
Checking also the HttpWebRequest Class, we can see the it also relays on Socket Class, as it says by the end of your exception:
[at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception)]
I also don't know if you could reboot your machine, but it would be good.
Also I really think its worthy a try, as not much information can befound on this EWS issue.
MaxUserPort
From <http://technet.microsoft.com/en-us/library/cc938196.aspx>
Socket Class
From <http://msdn.microsoft.com/en-us/library/system.net.sockets.socket(v=vs.110).aspx>
HttpWebRequest.GetResponse Method
From <http://msdn.microsoft.com/en-us/library/system.net.httpwebrequest.getresponse(v=vs.110).aspx>
HttpWebRequest Class
From <http://msdn.microsoft.com/en-us/library/system.net.httpwebrequest(v=vs.110).aspx>
If you apply the registry change, let me know.
Think before you ask, be detalist as much as possible, then ask and you will get help! Always have in mind, people do not guess! :)

Unable to connect to remote Jrockit instance

Hi,
I Tried configuring Jrockit and integrating weblogic server with it.
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set BEA_JAVA_HOME=C:\Program Files\Java\jrmc-4.0.0-1.6.0
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export JAVA_OPTIONS
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C:\Program Files\Java\jrmc-4.0.0-1.6.0\bin>java -Xmanagement:port=7091,ssl=false,authenticate=false,autodiscovery=true
and even i am getting the status as follows in command prompt:
[INFO ][mgmnt ] Remote JMX connector started at address zslw577:7091
[INFO ][mgmnt ] Local JMX connector started
[INFO ][mgmnt ] JDP autodiscovery started at address 232.192.1.212:7095
Iin jrmc4.0 UI i am getting JDP (JRockit Discovered protocal)as follows:-
1. Discovered --> JDP --> zslw577:zsl.local and
zslw51
2.But the Problem is that in the tabbed menu
Discovered-->LOACL-->Getting Local JRockit Weblogic server Instance and Not Remote Server Weblogic Server Instance
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HOST:zslw521
PORT:7091
1.And testing the connection giving me : Unable to Connect
Even If I want To test The JDP of Remote and Local JVM Instances by right clicking and selecting the option of START CONSOLE
Could not open Management Console for zslw577.zsl.local.
com.jrockit.mc.rjmx.ConnectionException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: 172.16.26.60; nested exception is:
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com.jrockit.mc.rjmx.ConnectionException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: 172.16.26.60; nested exception is:
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Caused by: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: 172.16.26.60; nested exception is:
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     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:338)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:227)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:593)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.establishConnection(RJMXConnection.java:561)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.setupServer(RJMXConnection.java:545)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:145)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.establishConnection(RJMXConnectorModel.java:114)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.connect(RJMXConnectorModel.java:157)
     at com.jrockit.mc.rjmx.ConnectionManager.innerConnect(ConnectionManager.java:95)
     at com.jrockit.mc.rjmx.ConnectionManager.connect(ConnectionManager.java:61)
     ... 3 more
Caused by: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: 172.16.26.60; nested exception is:
         java.net.ConnectException: Connection refused: connect]
     at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:101)
     at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:185)
     at javax.naming.InitialContext.lookup(InitialContext.java:392)
     at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1886)
     at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1856)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:257)
     ... 12 more
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     at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
     at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
     at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
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     at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:97)
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     at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1886)
     at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1856)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:257)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:228)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:594)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.establishConnection(RJMXConnection.java:561)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.setupServer(RJMXConnection.java:545)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:146)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.establishConnection(RJMXConnectorModel.java:114)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.connect(RJMXConnectorModel.java:158)
     ... 5 more
Caused by: java.net.ConnectException: Connection refused: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
     at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
     at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
     at java.net.Socket.connect(Socket.java:525)
     at java.net.Socket.connect(Socket.java:475)
     at java.net.Socket.<init>(Socket.java:372)
     at java.net.Socket.<init>(Socket.java:186)
     at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
     at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
     at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
     at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
     at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
     at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
     at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
     at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:97)
     at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:185)
     at javax.naming.InitialContext.lookup(InitialContext.java:392)
     at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1886)
     at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1856)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:257)
     at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:227)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:593)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.establishConnection(RJMXConnection.java:561)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.setupServer(RJMXConnection.java:545)
     at com.jrockit.mc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:145)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.establishConnection(RJMXConnectorModel.java:114)
     at com.jrockit.mc.rjmx.internal.RJMXConnectorModel.connect(RJMXConnectorModel.java:157)
     ... 5 more
Thanks in advance
Regards
RK
Edited by: user9352887 on Jun 17, 2010 6:52 AM
Edited by: user9352887 on Jun 17, 2010 7:07 AM
Edited by: user9352887 on Jun 17, 2010 7:13 AM

Probably, you'll have more luck on the JRockit forum, I would guess - or perhaps the WebLogic Server forum :)
John

Cannot open Report Manager URL -- "Unable to Connect to Remote Server"

Hi,
I have recently installed SSRS 2012 on my remote server (Native Mode). I had the default configurations set except for the port has been changed to "8081". I created an Inbound Rule in Firewall to make sure it's enabled.
I'm unable to connect to the report manager locally at all, I got a Domain\username authentication and the credentials are never accepted locally. I tried accessing my report server using the remote server host name and I was successfully logged in,
however, I got a message "Unable to Connect to the remote server".
I checked the log folder and there was no files created for my unsuccessful login.
I've been stumbling with this issue for almost a week, Any ideas or suggestions ?

Hi SB User,
Per my understanding that after you change the IP to "8081" then you can't connect to the report server both locally and remotely, right?
Is that mean before you have changed the IP, everything works fine and did you got some pop up window ask for credential when you connect to the report server?
You issue can be caused by many factors, please try to check details information below and do some configurations:
Go to Reporting Services Configuration Manager and change the account to "Network Service" to see if it will works fine.
Change the account to domain account and re-enter the username and password to see if it works fine.
Remove the SSL if configured.
Go to C:\Program Files\Microsoft SQL Server\MSRS11.MSSQLSERVER\Reporting Services\ReportServer\rsreportserver.config
In rsreportserver.config Change the SecureConnectionLevel value to "0":
<Add Key="SecureConnectionLevel" Value="0"/>
Stop and restart the report services instance to see if you can connect to report server.
please also Using IP instead of computer name as the <servername> in the URL to have a test.
If your issue still exists, please try to change the IP to have a test.
If you still have any problem,please fee free to ask.
Regards,
Vicky Liu
Vicky Liu
TechNet Community Support

Unable to connect to BI System from Visual Composer

Hie there,
I am unable to connect to my BI system from Visual Composer
The error message which I obtain upon clicking on 'Find Data' and selecting one of the many Systems list are as follows :-
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Please advice how can I add a BI System to this Visual Composer
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Hi John,
you find some information under:
<a href="http://help.sap.com/saphelp_nw2004s/helpdata/de/9b/3ac52d74cf4c43b1cf3a71725c951f/frameset.htm">http://help.sap.com/saphelp_nw2004s/helpdata/de/9b/3ac52d74cf4c43b1cf3a71725c951f/frameset.htm</a>
I had a similar question as a comment for my blog here:
<a href="/people/marcel.salein/blog/2007/02/01/visual-composer-and-abap-rfcbapi-a-powerful-combination-part-i:///people/marcel.salein/blog/2007/02/01/visual-composer-and-abap-rfcbapi-a-powerful-combination-part-i
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Marcel

Unable to Edit/Remove Remote Systems using MDM 7.1

Unable to find an answer to this in either the forums or the Wiki...
Using MDM 7.1 through the SAP MDM Console 7.1.03.54
I can add a new Remote System, it comes up with the default values for the Remote System fields:
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But I cannot modify the field values nor can I delete the Remote System.
The right-click context menu always has 'Delete Remote System' greyed out.
Nor do I see any mechanism to modify the fields' values. Moving to the Remote System Detail pane, none of the fields are edittable; I have tried left-clicking, right-clicking, double clicking, using the Edit tool bar menu - nothing lets me edit these fields.
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