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Admin UI for administration of spring boot applications
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java.io.IOException: Broken pipe #714

Closed andrashatvani closed 6 years ago

andrashatvani commented 6 years ago

I see such exceptions in the log since I've included SBA:

2018-04-23 17:32:52.617 ERROR 48376 --- [http-nio-8080-exec-9] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception

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:47)
    at java.base/sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:115)
    at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:80)
    at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:50)
    at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:473)
    at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:134)
    at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
    at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157)
    at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1267)
    at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:670)
    at org.apache.tomcat.util.net.SocketWrapperBase.flushBlocking(SocketWrapperBase.java:607)
    at org.apache.tomcat.util.net.SocketWrapperBase.flush(SocketWrapperBase.java:597)
    at org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.flush(Http11OutputBuffer.java:646)
    at org.apache.coyote.http11.filters.ChunkedOutputFilter.flush(ChunkedOutputFilter.java:169)
    at org.apache.coyote.http11.Http11OutputBuffer.flush(Http11OutputBuffer.java:252)
    at org.apache.coyote.http11.Http11Processor.flush(Http11Processor.java:1560)
    at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:285)
    at org.apache.coyote.Response.action(Response.java:173)
    at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:317)
    at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:284)
    at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:118)
    at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318)
    at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153)
    at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:254)
    at org.springframework.util.StreamUtils.copy(StreamUtils.java:121)
    at org.springframework.http.converter.StringHttpMessageConverter.writeInternal(StringHttpMessageConverter.java:103)
    at org.springframework.http.converter.StringHttpMessageConverter.writeInternal(StringHttpMessageConverter.java:43)
    at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:224)
    at org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitterReturnValueHandler$HttpMessageConvertingHandler.sendInternal(ResponseBodyEmitterReturnValueHandler.java:199)
    at org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitterReturnValueHandler$HttpMessageConvertingHandler.send(ResponseBodyEmitterReturnValueHandler.java:189)
    at org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitter.sendInternal(ResponseBodyEmitter.java:189)
    at org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitter.send(ResponseBodyEmitter.java:183)
    at org.springframework.web.servlet.mvc.method.annotation.SseEmitter.send(SseEmitter.java:133)
    at org.springframework.web.servlet.mvc.method.annotation.ReactiveTypeHandler$SseEmitterSubscriber.send(ReactiveTypeHandler.java:341)
    at org.springframework.web.servlet.mvc.method.annotation.ReactiveTypeHandler$AbstractEmitterSubscriber.run(ReactiveTypeHandler.java:283)
    at java.base/java.lang.Thread.run(Thread.java:844)

2018-04-23 17:32:52.620  WARN 48376 --- [http-nio-8080-exec-9] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved exception caused by Handler execution: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
joshiste commented 6 years ago

This is a quite normal. The browser does some long polling and keeps the tcp connection open. If the browser window is closed the tcp connection is aborted and on the next write the exception is thrown. there is nothing to do about this, except changing the loglevel.

see also https://jira.spring.io/browse/SPR-16688 https://jira.spring.io/browse/SPR-16528