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Hi! After upgrading to Strimzi 0.45.0 and kafka connect 3.8.1 we are experiencing frequently broken pipe when scrapping the /metric. endpoint. Metrics are there, however after a few broken pipe. Any tip which could be the cause of it?
Thanks
May 22, 2025 4:08:13 PM io.prometheus.metrics.exporter.httpserver.HttpExchangeAdapter sendErrorResponseWithStackTrace │
│ SEVERE: The Prometheus metrics HTTPServer caught an Exception while trying to send the metrics response. │
│ java.io.IOException: Broken pipe │
│ at java.base/sun.nio.ch.FileDispatcherImpl.write0(Native Method) │
│ at java.base/sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:62) │
│ at java.base/sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:132) │
│ at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:97) │
│ at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:53) │
│ at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:532) │
│ at jdk.httpserver/sun.net.httpserver.Request$WriteStream.write(Request.java:424) │
│ at jdk.httpserver/sun.net.httpserver.ChunkedOutputStream.writeChunk(ChunkedOutputStream.java:131) │
│ at jdk.httpserver/sun.net.httpserver.ChunkedOutputStream.write(ChunkedOutputStream.java:93) │
│ at jdk.httpserver/sun.net.httpserver.PlaceholderOutputStream.write(ExchangeImpl.java:463) │
│ at java.base/java.util.zip.DeflaterOutputStream.deflate(DeflaterOutputStream.java:261) │
│ at java.base/java.util.zip.DeflaterOutputStream.write(DeflaterOutputStream.java:210) │
│ at java.base/java.util.zip.GZIPOutputStream.write(GZIPOutputStream.java:148) │
│ at java.base/java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:161) │
│ at io.prometheus.metrics.exporter.common.PrometheusScrapeHandler.handleRequest(PrometheusScrapeHandler.java:67) │
│ at io.prometheus.metrics.exporter.httpserver.MetricsHandler.handle(MetricsHandler.java:43) │
│ at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:95) │
│ at jdk.httpserver/sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:82) │
│ at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:98) │
│ at jdk.httpserver/sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:855)
│ at jdk.httpserver/com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:95) │
│ at jdk.httpserver/sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:831) │
│ at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) │
│ at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) │
│ at java.base/java.lang.Thread.run(Thread.java:840) │
│ Suppressed: java.io.IOException: Broken pipe │
│ at java.base/sun.nio.ch.FileDispatcherImpl.write0(Native Method) │
│ at java.base/sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:62) │
│ at java.base/sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:132) │
│ at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:97) │
│ at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:53) │
│ at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:532) │
│ at jdk.httpserver/sun.net.httpserver.Request$WriteStream.write(Request.java:424) │
│ at jdk.httpserver/sun.net.httpserver.ChunkedOutputStream.writeChunk(ChunkedOutputStream.java:131) │
│ at jdk.httpserver/sun.net.httpserver.ChunkedOutputStream.write(ChunkedOutputStream.java:93) │
│ at jdk.httpserver/sun.net.httpserver.PlaceholderOutputStream.write(ExchangeImpl.java:463) │
│ at java.base/java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:172) │
│ at java.base/java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.java:244) │
│ at io.prometheus.metrics.exporter.common.PrometheusScrapeHandler.handleRequest(PrometheusScrapeHandler.java:66) │ │
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Hi! After upgrading to Strimzi 0.45.0 and kafka connect 3.8.1 we are experiencing frequently broken pipe when scrapping the /metric. endpoint. Metrics are there, however after a few broken pipe. Any tip which could be the cause of it?
Thanks
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