XNATGateway error connecting to Voyager PACS

[Tom Close]

Hi,

We are trying to use XNATGateway to transfer some scans to an external reporting consultancy but they are having difficulty connecting it to their Voyager PACS.

Their configuration (see attached screenshots) seems to be okay to me but when they query the gateway (either with search strings or just leaving everything blank) they don't receive any sessions and the gateway logs show the following error, any ideas what the problem could be?

I'm not sure if it is a complicating factor but I have shared the sessions we want reported into a separate project and only given them access to that.

Thanks,

Tom

INFO - handle - Socket[addr=/10.10.40.10,port=14393,localport=4008]

INFO - Socket[addr=/10.10.40.10,port=14393,localport=4008]

INFO - received AAssociateRQ

appCtxName: 1.2.840.10008.3.1.1.1/DICOM Application Context Name

implClass: 1.2.276.0.7230010.3.0.3.5.3

implVersion: OFFIS_DCMTK_353

calledAET: XNATGATEWAY

callingAET: KEPPACS

maxPDULen: 16384

asyncOpsWindow:

pc-1: as=1.2.840.10008.5.1.4.1.2.2.1/Study Root Query/Retrieve Information Model - FIND

ts=1.2.840.10008.1.2.1/Explicit VR Little Endian

ts=1.2.840.10008.1.2.2/Explicit VR Big Endian

ts=1.2.840.10008.1.2/Implicit VR Little Endian

INFO - sending AAssociateAC

appCtxName: 1.2.840.10008.3.1.1.1/DICOM Application Context Name

implClass: 1.2.40.0.13.1.1

implVersion: dcm4che-1.4.27

calledAET: XNATGATEWAY

callingAET: KEPPACS

maxPDULen: 16352

asyncOpsWindow:

pc-1: 0 - acceptance

ts=1.2.840.10008.1.2/Implicit VR Little Endian

INFO - received [pc-1] 1:C_FIND_RQ with Dataset

class: 1.2.840.10008.5.1.4.1.2.2.1/Study Root Query/Retrieve Information Model - FIND

INFO - 07/06/2018 2:07:51 PM: getRESTQuery: Could not identify Study Instance UID. DICOM query:Dataset[size=12]

INFO - 07/06/2018 2:07:51 PM: REST query string:

null

ERROR - 07/06/2018 2:07:51 PM: Error generating REST query

org.nrg.xnat.gateway.Tools.LogMessage(Tools.java:18)

org.nrg.xnat.gateway.XNATCFindRsp.executeQuery(XNATCFindRsp.java:52)

org.nrg.xnat.gateway.XNATGatewayServer.getMultiCFindRsp(XNATGatewayServer.java:137)

org.dcm4chex.archive.dcm.qrscp.FindScp.newMultiCFindRsp(FindScp.java:374)

org.dcm4chex.archive.dcm.qrscp.FindScp.doCFind(FindScp.java:180)

org.dcm4che.net.DcmServiceBase.c_find(DcmServiceBase.java:154)

org.dcm4cheri.net.ActiveAssociationImpl.run(ActiveAssociationImpl.java:231)

org.dcm4cheri.util.LF_ThreadPool.join(LF_ThreadPool.java:174)

org.dcm4cheri.net.ActiveAssociationImpl.run(ActiveAssociationImpl.java:157)

org.dcm4cheri.server.DcmHandlerImpl.handle(DcmHandlerImpl.java:249)

org.dcm4cheri.server.ServerImpl.run(ServerImpl.java:279)

org.dcm4cheri.util.LF_ThreadPool.join(LF_ThreadPool.java:174)

org.dcm4cheri.util.LF_ThreadPool$1.run(LF_ThreadPool.java:221)

java.lang.Thread.run(Unknown Source)

INFO - sending [pc-1] 1:C_FIND_RSP

class: 1.2.840.10008.5.1.4.1.2.2.1/Study Root Query/Retrieve Information Model - FIND

status: 0

INFO - received A-RELEASE-RQ

INFO - sending A-RELEASE-RP

INFO - finished - Socket[addr=/10.10.40.10,port=14393,localport=4008]

INFO - closing connection - Socket[addr=/10.10.40.10,port=14393,localport=4008]

[Mikhail Milchenko]

Tom,

Does this scan stored on XNAT have study instance UID in its DICOM tag defined (can view this under scans->expand into scan info->view DICOM header)?

-Misha

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[Tom Close]

Most of them do. However, here are some datasets in the shared sessions that aren't DICOM (uploaded raw k-space for example), which don't. Would this cause a problem?

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[Tom Close]

Is there a way I can debug this to work out what the problem might be?

[Mikhail Milchenko]

Tom,

The Gateway Java code is here: https://bitbucket.org/mmilch01/gatewaye

The main entry is https://bitbucket.org/mmilch01/gatewaye/src/default/src/org/nrg/xnat/gateway/XNATGatewayServer.java.

But first I would check that the DICOM data you're retrieving from XNAT has study instance UID properly set.

Regards,

Mikhail

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[Joost van Griethuysen]

The problem is that gateway only supports SERIES level queries when a valid DICOM StudyInstanceUID is passed in the query dataset (i.e. only retrieving series for a specific study).

Op zondag 17 juni 2018 om 12:18:38 UTC+2 schreef tom.g...@gmail.com:

[Joost van Griethuysen]

The link to the repository returns a 404. Does anyone know where it may be found now?

Op maandag 18 juni 2018 om 17:43:21 UTC+2 schreef mmil...@gmail.com: