Paper-UI: Error Dsiplaying Item and Model Page

Hi all,

i’m not able to open the item and model-page in the paper-ui.
I take a backup, purge openhab with apt and install it again but it didn’t help.

Does anybody have the same issue?

Above you will find the error log.

Does anybody have the same issue?

Regards Ansgar

2022-07-25 07:32:34.096 [ERROR] [rg.apache.cxf.jaxrs.utils.JAXRSUtils] - Problem with writing the data, class org.openhab.core.io.rest.Stream2JSONInputStream, ContentType: application/json

2022-07-25 07:32:34.099 [ERROR] [internal.JSONResponseExceptionMapper] - Unexpected exception occurred while processing REST request.

java.lang.IllegalArgumentException: Last segment must not be blank.

	at org.openhab.core.common.AbstractUID.<init>(AbstractUID.java:79) ~[?:?]

	at org.openhab.core.common.AbstractUID.<init>(AbstractUID.java:59) ~[?:?]

	at org.openhab.core.thing.UID.<init>(UID.java:57) ~[?:?]

	at org.openhab.core.thing.ThingUID.<init>(ThingUID.java:139) ~[?:?]

	at org.openhab.core.thing.ChannelUID.getThingUID(ChannelUID.java:150) ~[?:?]

	at org.openhab.core.thing.internal.ThingRegistryImpl.getChannel(ThingRegistryImpl.java:80) ~[?:?]

	at org.openhab.core.thing.internal.ChannelStateDescriptionProvider.getStateDescription(ChannelStateDescriptionProvider.java:97) ~[?:?]

	at org.openhab.core.thing.internal.ChannelStateDescriptionProvider.getStateDescriptionFragment(ChannelStateDescriptionProvider.java:86) ~[?:?]

	at org.openhab.core.internal.service.StateDescriptionServiceImpl.getMergedStateDescriptionFragments(StateDescriptionServiceImpl.java:71) ~[?:?]

	at org.openhab.core.internal.service.StateDescriptionServiceImpl.getStateDescription(StateDescriptionServiceImpl.java:63) ~[?:?]

	at org.openhab.core.items.GenericItem.getStateDescription(GenericItem.java:409) ~[?:?]

	at org.openhab.core.io.rest.core.item.EnrichedItemDTOMapper.considerTransformation(EnrichedItemDTOMapper.java:143) ~[?:?]

	at org.openhab.core.io.rest.core.item.EnrichedItemDTOMapper.map(EnrichedItemDTOMapper.java:81) ~[?:?]

	at org.openhab.core.io.rest.core.item.EnrichedItemDTOMapper.map(EnrichedItemDTOMapper.java:64) ~[?:?]

	at org.openhab.core.io.rest.core.internal.item.ItemResource.lambda$2(ItemResource.java:219) ~[?:?]

	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) ~[?:?]

	at java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) ~[?:?]

	at java.util.stream.StreamSpliterators$WrappingSpliterator.lambda$initPartialTraversalState$0(StreamSpliterators.java:294) ~[?:?]

	at java.util.stream.StreamSpliterators$AbstractWrappingSpliterator.fillBuffer(StreamSpliterators.java:206) ~[?:?]

	at java.util.stream.StreamSpliterators$AbstractWrappingSpliterator.doAdvance(StreamSpliterators.java:169) ~[?:?]

	at java.util.stream.StreamSpliterators$WrappingSpliterator.tryAdvance(StreamSpliterators.java:300) ~[?:?]

	at java.util.Spliterators$1Adapter.hasNext(Spliterators.java:681) ~[?:?]

	at org.openhab.core.io.rest.Stream2JSONInputStream.fillBuffer(Stream2JSONInputStream.java:91) ~[?:?]

	at org.openhab.core.io.rest.Stream2JSONInputStream.read(Stream2JSONInputStream.java:67) ~[?:?]

	at java.io.InputStream.read(InputStream.java:280) ~[?:?]

	at java.io.InputStream.transferTo(InputStream.java:704) ~[?:?]

	at org.openhab.core.io.rest.core.internal.GsonMessageBodyWriter.writeTo(GsonMessageBodyWriter.java:83) ~[?:?]

	at org.openhab.core.io.rest.core.internal.MediaTypeExtension.writeTo(MediaTypeExtension.java:84) ~[?:?]

	at org.apache.cxf.jaxrs.utils.JAXRSUtils.writeMessageBody(JAXRSUtils.java:1543) ~[bundleFile:3.4.5]

	at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor.java:249) ~[bundleFile:3.4.5]

	at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.processResponse(JAXRSOutInterceptor.java:122) ~[bundleFile:3.4.5]

	at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage(JAXRSOutInterceptor.java:84) ~[bundleFile:3.4.5]

	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[bundleFile:3.4.5]

	at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:90) ~[bundleFile:3.4.5]

	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:298) ~[bundleFile:3.4.5]

	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:222) ~[bundleFile:3.4.5]

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) ~[bundleFile:3.1.0]

	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:273) ~[bundleFile:3.4.5]

	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550) ~[bundleFile:9.4.46.v20220331]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:74) ~[bundleFile:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[bundleFile:9.4.46.v20220331]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:294) ~[bundleFile:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[bundleFile:9.4.46.v20220331]

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:90) ~[bundleFile:?]

	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [bundleFile:9.4.46.v20220331]

	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [bundleFile:9.4.46.v20220331]

	at java.lang.Thread.run(Thread.java:829) [?:?]


Looks like the identical message is posted in this thread

in post#3

Using snapshot 3.4 which has improved logging it was possible to identify the item that causes the problem.

Thank you Wolfgang, there was a failure in an item definition. It work after the deletion of the item.

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