Error message in OH2

Raspberry Pi 3
OH2.4

Does anyone have any clue, what this error message could mean? I have it since I tried to update to non-stable (in the hope to solve a problem)… I obviously was not so successful. But to track down the problem I need to know where to look…

2018-11-05 09:44:28.712 [ERROR] [org.jupnp.transport.spi.StreamClient] - Request: HttpRequest[GET /HNAP1/ HTTP/1.1]@7ee8e2 failed
java.lang.NullPointerException: Missing SslContextFactory
	at java.util.Objects.requireNonNull(Objects.java:228) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslClientConnectionFactory.<init>(SslClientConnectionFactory.java:50) ~[75:org.eclipse.jetty.io:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.newSslClientConnectionFactory(HttpClient.java:1155) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.newSslClientConnectionFactory(HttpDestination.java:138) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.<init>(HttpDestination.java:95) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.PoolingHttpDestination.<init>(PoolingHttpDestination.java:25) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpDestinationOverHTTP.<init>(HttpDestinationOverHTTP.java:32) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpClientTransportOverHTTP.newHttpDestination(HttpClientTransportOverHTTP.java:51) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.destinationFor(HttpClient.java:539) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.send(HttpClient.java:572) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:727) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:680) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:149) [219:org.jupnp:2.4.0]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:1) [219:org.jupnp:2.4.0]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]

And when does this error occur?

Every 1 to 2 minutes. Just with different numbers “HTTP/1.1]@9bc76e failed”

2018-11-05 10:14:42.240 [ERROR] [org.jupnp.transport.spi.StreamClient] - Request: HttpRequest[GET /HNAP1/ HTTP/1.1]@27e0e8 failed
java.lang.NullPointerException: Missing SslContextFactory
	at java.util.Objects.requireNonNull(Objects.java:228) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslClientConnectionFactory.<init>(SslClientConnectionFactory.java:50) ~[75:org.eclipse.jetty.io:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.newSslClientConnectionFactory(HttpClient.java:1155) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.newSslClientConnectionFactory(HttpDestination.java:138) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.<init>(HttpDestination.java:95) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.PoolingHttpDestination.<init>(PoolingHttpDestination.java:25) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpDestinationOverHTTP.<init>(HttpDestinationOverHTTP.java:32) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpClientTransportOverHTTP.newHttpDestination(HttpClientTransportOverHTTP.java:51) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.destinationFor(HttpClient.java:539) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.send(HttpClient.java:572) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:727) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:680) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:149) [219:org.jupnp:2.4.0]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:1) [219:org.jupnp:2.4.0]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]
2018-11-05 10:14:42.260 [ERROR] [org.jupnp.transport.spi.StreamClient] - Request: HttpRequest[GET /HNAP1/ HTTP/1.1]@e0075c failed
java.lang.NullPointerException: Missing SslContextFactory
	at java.util.Objects.requireNonNull(Objects.java:228) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslClientConnectionFactory.<init>(SslClientConnectionFactory.java:50) ~[75:org.eclipse.jetty.io:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.newSslClientConnectionFactory(HttpClient.java:1155) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.newSslClientConnectionFactory(HttpDestination.java:138) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpDestination.<init>(HttpDestination.java:95) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.PoolingHttpDestination.<init>(PoolingHttpDestination.java:25) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpDestinationOverHTTP.<init>(HttpDestinationOverHTTP.java:32) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.http.HttpClientTransportOverHTTP.newHttpDestination(HttpClientTransportOverHTTP.java:51) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.destinationFor(HttpClient.java:539) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpClient.send(HttpClient.java:572) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:727) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:680) ~[71:org.eclipse.jetty.client:9.4.11.v20180605]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:149) [219:org.jupnp:2.4.0]
	at org.jupnp.transport.impl.jetty.JettyStreamClientImpl$1.call(JettyStreamClientImpl.java:1) [219:org.jupnp:2.4.0]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]

Did you take a look at this thread ?

hello. Thank you for that hint. Surprisingly it did not pop up when I did a search… To make it short, I used the part “log:set OFF org.jupnp”…
Out of sight… :wink: