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[Error] Failed sending the icon byte stream as a response #5222

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[Error] Failed sending the icon byte stream as a response#5222
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bugAn unexpected problem or unintended behavior of the Core
@yndtrud

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@yndtrud
yndtrud
opened on Dec 24, 2025

Hardware; ASUS PN41 PE (PentiumSilver N6000 1.10GHz /8GB RAM/SSD)
System: Windwos Server 2025 Latest
Software: openHAB v5.1.0 release
Runtimes: Temurin 21.0.9+10-LTS
Persistence: PostgreSQL v17.6.2 [special] / rrd4j [default] / mapdb [strings -> restoreOnStartup]
MQTT: Mosquitto v2.0.22, Z2M v2.7.1

After aupgradung from v4 to v5 (5.0.2, 5.0.3, 5.1.0), I got this error: the icon will be shown, but the logs often show errors like these.
The error can occur for any icon. I have this error in anytime while OH working, anyware while using MainUI or BasicUI.

How can I fix the system behavior or remove this error from the logs?

My icons in swg format.

2025-12-09 12:33:41.735 [ERROR] [ab.core.ui.icon.internal.IconServlet] - Failed sending the icon byte stream as a response: Reset cancel_stream_error
2025-12-09 12:33:41.737 [WARN ] [org.eclipse.jetty.server.HttpChannel] - /icon/city_business
java.lang.IllegalStateException: ABORTED
	at org.eclipse.jetty.server.HttpChannelState.sendError(HttpChannelState.java:915) ~[?:?]
	at org.eclipse.jetty.server.Response.sendError(Response.java:473) ~[?:?]
	at org.openhab.core.ui.icon.internal.IconServlet.doGet(IconServlet.java:149) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:497) ~[bundleFile:4.0.4]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:584) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.service(OsgiInitializedServlet.java:102) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1656) ~[?:?]
	at org.ops4j.pax.web.service.spi.servlet.OsgiFilterChain.doFilter(OsgiFilterChain.java:113) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:334) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[?:?]
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:731) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:439) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[bundleFile:9.4.57.v20241219]
	at java.lang.Thread.run(Thread.java:1583) [?:?]

I opened Sitemap with two items with identical icons - water_meter_2_cold. One icon appeared correctly, but the other item had no icon. The error logs reported an icon loading error. After reopening Sitemap, the error was gone.

2025-12-09 23:36:47.295 [ERROR] [ab.core.ui.icon.internal.IconServlet] - Failed sending the icon byte stream as a response: Reset cancel_stream_error
2025-12-09 23:36:47.297 [WARN ] [org.eclipse.jetty.server.HttpChannel] - /icon/water_meter_2_cold
java.lang.IllegalStateException: ABORTED
	at org.eclipse.jetty.server.HttpChannelState.sendError(HttpChannelState.java:915) ~[?:?]
	at org.eclipse.jetty.server.Response.sendError(Response.java:473) ~[?:?]
	at org.openhab.core.ui.icon.internal.IconServlet.doGet(IconServlet.java:149) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:497) ~[bundleFile:4.0.4]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:584) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.service(OsgiInitializedServlet.java:102) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1656) ~[?:?]
	at org.ops4j.pax.web.service.spi.servlet.OsgiFilterChain.doFilter(OsgiFilterChain.java:113) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:334) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[?:?]
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:731) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:439) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:137) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:193) ~[?:?]
	at org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:148) ~[?:?]
	at org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:371) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:555) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:410) ~[?:?]
	at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:164) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[bundleFile:9.4.57.v20241219]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[bundleFile:9.4.57.v20241219]
	at java.lang.Thread.run(Thread.java:1583) [?:?]

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