Hi.
I've got this stack trace repeatedly in my jsf aplication logs.
I use the tomahawk calendar component. I couldn't find the solution anywhere.
Could you please help me to solve it?
Here is the stack trace:

[DefaultAddResource(serveResource:630)]: Error while serving resource: 
calendar.HtmlCalendarRenderer/DB/divider.gif, message : null
ClientAbortException:  java.net.SocketException: Broken pipe
        at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
        at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
        at 
org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:309)
        at 
org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:273)
        at 
org.apache.catalina.connector.CoyoteOutputStream.close(CoyoteOutputStream.java:104)
        at 
org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.writeResource(MyFacesResourceLoader.java:244)
        at 
org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.serveResource(MyFacesResourceLoader.java:217)
        at 
org.apache.myfaces.renderkit.html.util.DefaultAddResource.serveResource(DefaultAddResource.java:606)
        at 
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:128)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at 
org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:764)
        at 
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
        at 
org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:570)
        at org.apache.coyote.Response.doWrite(Response.java:560)
        at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
        ... 21 more
ERROR 09:47:39,315 [ExtensionsFilter(doFilter:134)]: Exception wile retrieving 
addResource
java.lang.IllegalStateException
        at 
org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:421)
        at 
org.apache.myfaces.renderkit.html.util.DefaultAddResource.serveResource(DefaultAddResource.java:631)
        at 
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:128)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)
ERROR 09:47:39,492 [DefaultAddResource(serveResource:630)]: Error while serving 
resource: calendar.HtmlCalendarRenderer/DB/drop1.gif, message : null
ClientAbortException:  java.net.SocketException: Broken pipe
        at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
        at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
        at 
org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:309)
        at 
org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:273)
        at 
org.apache.catalina.connector.CoyoteOutputStream.close(CoyoteOutputStream.java:104)
        at 
org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.writeResource(MyFacesResourceLoader.java:244)
        at 
org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.serveResource(MyFacesResourceLoader.java:217)
        at 
org.apache.myfaces.renderkit.html.util.DefaultAddResource.serveResource(DefaultAddResource.java:606)
        at 
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:128)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at 
org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:764)
        at 
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
        at 
org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:570)
        at org.apache.coyote.Response.doWrite(Response.java:560)
        at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
        ... 21 more
ERROR 09:47:39,494 [ExtensionsFilter(doFilter:134)]: Exception wile retrieving 
addResource
java.lang.IllegalStateException
        at 
org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:421)
        at 
org.apache.myfaces.renderkit.html.util.DefaultAddResource.serveResource(DefaultAddResource.java:631)
        at 
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:128)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)

--
Tomasz Struszczyk
Business Application Specialist
Ericpol Telecom Sp. z o.o.


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