Hi,
I receive this exception on NIS log:
2017-01-09 08:11:43.185 INFO 1 harvesters are attempting to harvest a new block. (org.nem.nis.ld.bff cG)
2017-01-09 08:11:43.185 INFO synchronizing with Node [[c=#41ce7b]h[/c][c=#8e8e8e]ac[/c][c=#41ce7b]hi[/c] ] @ [hachi.nem.ninja] (org.nem.peer.services.NodeSynchronizer b)
2017-01-09 08:11:43.272 SEVERE Http Status Code 500: Internal Server Error (org.nem.core.connect.ErrorResponse )
2017-01-09 08:11:43.299 INFO entering /transactions/unconfirmed [216.189.147.24] (org.nem.nis.controller.interceptors.AuditInterceptor preHandle)
2017-01-09 08:11:43.301 INFO exiting /transactions/unconfirmed [216.189.147.24] (org.nem.nis.controller.interceptors.AuditInterceptor afterCompletion)
2017-01-09 08:11:43.383 INFO exiting /node/active-peers/max-chain-height [188.15.26.205] (org.nem.nis.controller.interceptors.AuditInterceptor afterCompletion)
2017-01-09 08:11:43.385 SEVERE Failed to invoke @ExceptionHandler method: public org.springframework.http.ResponseEntity<org.nem.core.connect.ErrorResponse> org.nem.nis.controller.cot.c(java.lang.Exception)
org.eclipse.jetty.io.EofException
at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:192)
at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:408)
at org.eclipse.jetty.io.WriteFlusher.write(WriteFlusher.java:302)
at org.eclipse.jetty.io.AbstractEndPoint.write(AbstractEndPoint.java:129)
at org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:684)
at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:246)
at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:208)
at org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:480)
at org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:768)
at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:801)
at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:147)
at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:140)
at org.eclipse.jetty.server.HttpOutput.flush(HttpOutput.java:242)
at org.eclipse.jetty.servlets.gzip.AbstractCompressedStream.flush(AbstractCompressedStream.java:125)
at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:209)
at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:161)
at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:146)
at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:71)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:362)
at org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:60)
at org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:138)
at org.springframework.web.servlet.handler.HandlerExceptionResolverComposite.resolveException(HandlerExceptionResolverComposite.java:74)
at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1183)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1020)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
at org.nem.deploy.server.AbstractNemServletContextListener$1.doFilter(AbstractNemServletContextListener.java:124)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)
at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:364)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
at org.eclipse.jetty.servlets.DoSFilter.doFilterChain(DoSFilter.java:470)
at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:322)
at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:292)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcherImpl.writev0(Native Method)
at sun.nio.ch.SocketDispatcher.writev(SocketDispatcher.java:51)
at sun.nio.ch.IOUtil.write(IOUtil.java:148)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:504)
at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:172)
… 56 more
(org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver doResolveHandlerMethodException)
2017-01-09 08:11:43.393 INFO exiting /node/peer-list/all [188.15.26.205] (org.nem.nis.controller.interceptors.AuditInterceptor afterCompletion)