harvesting error

2021-12-01 06:53:12.307  INFO 1 --- [nio-8080-exec-3] i.t.ndc.harvester.HarvesterService       : Processing repo https://github.com/ash1425/sample-ontology-repo
2021-12-01 06:53:12.307 DEBUG 1 --- [nio-8080-exec-3] i.t.ndc.harvester.HarvesterService       : Normalised repo url https://github.com/ash1425/sample-ontology-repo
2021-12-01 06:53:12.307  INFO 1 --- [nio-8080-exec-3] i.t.n.harvester.AgencyRepositoryService  : Cloning repo https://github.com/ash1425/sample-ontology-repo, at /tmp/ndc-17470267844001779931
2021-12-01 06:53:15.845 DEBUG 1 --- [nio-8080-exec-3] i.t.ndc.harvester.HarvesterService       : Repo https://github.com/ash1425/sample-ontology-repo cloned to temp folder /tmp/ndc-17470267844001779931
2021-12-01 06:53:15.879 DEBUG 1 --- [nio-8080-exec-3] i.t.ndc.harvester.HarvesterService       : Cleaning up triple store for https://github.com/ash1425/sample-ontology-repo
2021-12-01 06:54:17.818 ERROR 1 --- [nio-8080-exec-3] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.apache.jena.atlas.web.HttpException: 500 - Server Error] with root cause

org.apache.jena.atlas.web.HttpException: 500 - Server Error
	at org.apache.jena.riot.web.HttpOp.exec(HttpOp.java:1089) ~[jena-arq-4.2.0.jar:4.2.0]
	at org.apache.jena.riot.web.HttpOp.execHttpPost(HttpOp.java:721) ~[jena-arq-4.2.0.jar:4.2.0]
	at org.apache.jena.riot.web.HttpOp.execHttpPost(HttpOp.java:517) ~[jena-arq-4.2.0.jar:4.2.0]
	at org.apache.jena.riot.web.HttpOp.execHttpPost(HttpOp.java:473) ~[jena-arq-4.2.0.jar:4.2.0]
	at org.apache.jena.sparql.modify.UpdateProcessRemote.execute(UpdateProcessRemote.java:81) ~[jena-arq-4.2.0.jar:4.2.0]
	at it.teamdigitale.ndc.repository.TripleStoreRepository.clearExistingNamedGraph(TripleStoreRepository.java:52) ~[classes/:na]
	at it.teamdigitale.ndc.repository.TripleStoreRepository$$FastClassBySpringCGLIB$$69b46e2b.invoke(<generated>) ~[classes/:na]
	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:779) ~[spring-aop-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) ~[spring-aop-5.3.10.jar:5.3.10]
	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) ~[spring-aop-5.3.10.jar:5.3.10]
	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:692) ~[spring-aop-5.3.10.jar:5.3.10]
	at it.teamdigitale.ndc.repository.TripleStoreRepository$$EnhancerBySpringCGLIB$$880fc6b4.clearExistingNamedGraph(<generated>) ~[classes/:na]
	at it.teamdigitale.ndc.harvester.HarvesterService.cleanUpTripleStore(HarvesterService.java:71) ~[classes/:na]
	at it.teamdigitale.ndc.harvester.HarvesterService.harvestClonedRepo(HarvesterService.java:54) ~[classes/:na]
	at it.teamdigitale.ndc.harvester.HarvesterService.harvest(HarvesterService.java:39) ~[classes/:na]
	at it.teamdigitale.ndc.controller.ScheduledJobsController.csv(ScheduledJobsController.java:25) ~[classes/:na]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) ~[tomcat-embed-core-9.0.53.jar:4.0.FR]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.53.jar:4.0.FR]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96) ~[spring-boot-actuator-2.5.5.jar:2.5.5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:769) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1726) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]

2021-12-01 06:54:17.832 ERROR 1 --- [nio-8080-exec-3] o.a.c.c.C.[Tomcat].[localhost]           : Exception Processing ErrorPage[errorCode=0, location=/error]

org.apache.catalina.connector.ClientAbortException: java.io.IOException: Connection reset by peer
	at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:310) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:273) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:118) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at java.base/java.io.FilterOutputStream.flush(FilterOutputStream.java:153) ~[na:na]
	at com.fasterxml.jackson.core.json.UTF8JsonGenerator.flush(UTF8JsonGenerator.java:1193) ~[jackson-core-2.12.5.jar:2.12.5]
	at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:1008) ~[jackson-databind-2.12.5.jar:2.12.5]
	at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:454) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.http.converter.AbstractGenericHttpMessageConverter.write(AbstractGenericHttpMessageConverter.java:104) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:290) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:219) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:78) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:135) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) ~[tomcat-embed-core-9.0.53.jar:4.0.FR]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.10.jar:5.3.10]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.53.jar:4.0.FR]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.10.jar:5.3.10]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103) ~[spring-web-5.3.10.jar:5.3.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:711) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:385) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:313) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:403) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:249) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:344) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:769) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1726) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]
Caused by: java.io.IOException: Connection reset by peer
	at java.base/sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[na:na]
	at java.base/sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[na:na]
	at java.base/sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[na:na]
	at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:79) ~[na:na]
	at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[na:na]
	at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:462) ~[na:na]
	at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:135) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1363) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:766) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.SocketWrapperBase.flushBlocking(SocketWrapperBase.java:719) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.tomcat.util.net.SocketWrapperBase.flush(SocketWrapperBase.java:709) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.flush(Http11OutputBuffer.java:573) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.filters.ChunkedOutputFilter.flush(ChunkedOutputFilter.java:157) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.Http11OutputBuffer.flush(Http11OutputBuffer.java:221) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.http11.Http11Processor.flush(Http11Processor.java:1205) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:402) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.coyote.Response.action(Response.java:209) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:306) ~[tomcat-embed-core-9.0.53.jar:9.0.53]
	... 54 common frames omitted