In RemoteStreamsActivityProvider line 219 (in streams-remote-3.4.3) where CancellationException is caught.

The stacktrace is very long and frequent, and clogs up the log:

@400000004d23442b09fdea2c 2011-01-04 08:00:33,161 ajp-j2ee.instance.jirastudio.com-jira%2F127.0.0.104-8009-7 WARN jamieb 480x567498x1 za0t6b 64.111.160.20 /plugins/servlet/streams [atlassian.streams.remote.RemoteStreamsActivityProvider] Error retrieving feed
@400000004d23442b09fdf5e4 java.util.concurrent.CancellationException
@400000004d23442b09fdf5e4 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:220)
@400000004d23442b09fdf9cc at java.util.concurrent.FutureTask.get(FutureTask.java:83)
@400000004d23442b09fdfdb4 at com.atlassian.streams.remote.RemoteStreamsActivityProvider.retrieveFeeds(RemoteStreamsActivityProvider.java:215)
@400000004d23442b09fe76cc at com.atlassian.streams.remote.RemoteStreamsActivityProvider.getActivityFeed(RemoteStreamsActivityProvider.java:132)
@400000004d23442b09fe7ab4 at com.atlassian.streams.servlet.StreamsActivityServlet$1.doInTransaction(StreamsActivityServlet.java:119)
@400000004d23442b09fe7e9c at com.atlassian.sal.core.transaction.HostContextTransactionTemplate$1.doInTransaction(HostContextTransactionTemplate.java:25)
@400000004d23442b09fe9224 at com.atlassian.jira.DefaultHostContextAccessor.doInTransaction(DefaultHostContextAccessor.java:34)
@400000004d23442b09fe960c at sun.reflect.GeneratedMethodAccessor181.invoke(Unknown Source)
@400000004d23442b09feb934 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
@400000004d23442b09febd1c at java.lang.reflect.Method.invoke(Method.java:597)
@400000004d23442b09febd1c at com.atlassian.jira.ProxyAdapter$ProxiedComponentInvocationHandler.invoke(ProxyAdapter.java:167)
@400000004d23442b09fec104 at $Proxy322.doInTransaction(Unknown Source)
@400000004d23442b09fec4ec at sun.reflect.GeneratedMethodAccessor181.invoke(Unknown Source)
@400000004d23442b09fed874 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
@400000004d23442b09fedc5c at java.lang.reflect.Method.invoke(Method.java:597)
@400000004d23442b09fee044 at com.atlassian.plugin.osgi.hostcomponents.impl.DefaultComponentRegistrar$ContextClassLoaderSettingInvocationHandler.invoke(DefaultComponentRegistrar.java:129)
@400000004d23442b09fee42c at $Proxy322.doInTransaction(Unknown Source)
@400000004d23442b09fef3cc at sun.reflect.GeneratedMethodAccessor181.invoke(Unknown Source)
@400000004d23442b09fef7b4 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
@400000004d23442b09fefb9c at java.lang.reflect.Method.invoke(Method.java:597)
@400000004d23442b09fefb9c at com.atlassian.plugin.osgi.bridge.external.HostComponentFactoryBean$DynamicServiceInvocationHandler.invoke(HostComponentFactoryBean.java:150)
@400000004d23442b09ff1ec4 at $Proxy322.doInTransaction(Unknown Source)
@400000004d23442b09ff1ec4 at com.atlassian.sal.core.transaction.HostContextTransactionTemplate.execute(HostContextTransactionTemplate.java:21)
@400000004d23442b09ff22ac at sun.reflect.GeneratedMethodAccessor660.invoke(Unknown Source)
@400000004d23442b09ff2694 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
@400000004d23442b09ff3a1c at java.lang.reflect.Method.invoke(Method.java:597)
@400000004d23442b09ff3e04 at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
@400000004d23442b09ff41ec at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:58)
@400000004d23442b09ff45d4 at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:62)
@400000004d23442b09ff5574 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
@400000004d23442b09ff595c at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
@400000004d23442b09ff5d44 at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
@400000004d23442b09ff806c at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
@400000004d23442b09ff8454 at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:56)
@400000004d23442b09ff883c at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:39)
@400000004d23442b09ff9bc4 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
@400000004d23442b09ff9fac at org.springframework.osgi.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:59)
@400000004d23442b09ffa394 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
@400000004d23442b09ffce8c at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
@400000004d23442b09ffd274 at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
@400000004d23442b09fff1b4 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
@400000004d23442b09fff59c at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
@400000004d23442b09fff984 at $Proxy648.execute(Unknown Source)
@400000004d23442b09fffd6c at com.atlassian.streams.servlet.StreamsActivityServlet.doGet(StreamsActivityServlet.java:111)
@400000004d23442b0a0010f4 at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
@400000004d23442b0a0014dc at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
@400000004d23442b0a0014dc at com.atlassian.plugin.servlet.DelegatingPluginServlet.service(DelegatingPluginServlet.java:42)
@400000004d23442b0a0018c4 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
@400000004d23442b0a002c4c at com.atlassian.plugin.servlet.ServletModuleContainerServlet.service(ServletModuleContainerServlet.java:52)
@400000004d23442b0a003034 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
@400000004d23442b0a003034 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
@400000004d23442b0a00341c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a00a564 at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
@400000004d23442b0a00c88c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a00cc74 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a00d05c at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
@400000004d23442b0a00d444 at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
@400000004d23442b0a00e7cc at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
@400000004d23442b0a00ebb4 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a00ef9c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)

@400000004d23442b0a010324 at com.atlassian.jira.web.filters.accesslog.AccessLogFilter.executeRequest(AccessLogFilter.java:99)
@400000004d23442b0a01070c at com.atlassian.jira.web.filters.accesslog.AccessLogFilter.doFilter(AccessLogFilter.java:83)
@400000004d23442b0a010af4 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a012a34 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a012e1c at com.atlassian.jira.security.xsrf.XsrfTokenAdditionRequestFilter.doFilter(XsrfTokenAdditionRequestFilter.java:50)
@400000004d23442b0a013204 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a0141a4 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a01458c at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119)
@400000004d23442b0a014974 at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55)
@400000004d23442b0a014d5c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a017c3c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a018024 at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
@400000004d23442b0a01840c at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
@400000004d23442b0a01a34c at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
@400000004d23442b0a01a734 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a01ab1c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a01bea4 at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:219)
@400000004d23442b0a01c28c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a01c674 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a01ca5c at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:98)
@400000004d23442b0a0204f4 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a0208dc at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a020cc4 at com.atlassian.seraph.filter.BaseLoginFilter.doFilter(BaseLoginFilter.java:140)
@400000004d23442b0a022fec at com.atlassian.jira.web.filters.JiraLoginFilter.doFilter(JiraLoginFilter.java:70)
@400000004d23442b0a0233d4 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a0237bc at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a023ba4 at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
@400000004d23442b0a024f2c at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
@400000004d23442b0a025314 at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:69)
@400000004d23442b0a0256fc at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
@400000004d23442b0a026a84 at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
@400000004d23442b0a026e6c at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
@400000004d23442b0a027254 at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
@400000004d23442b0a029194 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a02957c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a029964 at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:99)
@400000004d23442b0a02acec at com.atlassian.jira.web.filters.JIRAProfilingFilter.doFilter(JIRAProfilingFilter.java:16)
@400000004d23442b0a02b0d4 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a02b4bc at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a02b8a4 at com.atlassian.jira.web.filters.ActionCleanupDelayFilter.doFilter(ActionCleanupDelayFilter.java:59)
@400000004d23442b0a02c844 at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
@400000004d23442b0a02cc2c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a02d014 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a0306c4 at com.atlassian.jira.web.filters.RequestCleanupFilter.doFilter(RequestCleanupFilter.java:53)
@400000004d23442b0a030aac at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
@400000004d23442b0a030e94 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a03127c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a032604 at com.atlassian.johnson.filters.AbstractJohnsonFilter.doFilter(AbstractJohnsonFilter.java:72)
@400000004d23442b0a0329ec at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a032dd4 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a0331bc at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:350)
@400000004d23442b0a03415c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a034544 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a03492c at com.atlassian.gzipfilter.GzipFilter.doFilterInternal(GzipFilter.java:81)
@400000004d23442b0a03686c at com.atlassian.gzipfilter.GzipFilter.doFilter(GzipFilter.java:51)
@400000004d23442b0a036c54 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a03703c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a037424 at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
@400000004d23442b0a0387ac at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
@400000004d23442b0a038b94 at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
@400000004d23442b0a038f7c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)

@400000004d23442b0a039f1c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a03a304 at com.atlassian.core.filters.cache.AbstractCachingFilter.doFilter(AbstractCachingFilter.java:33)
@400000004d23442b0a03a6ec at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
@400000004d23442b0a03c62c at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a03ca14 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a03cdfc at com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:41)
@400000004d23442b0a03d1e4 at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
@400000004d23442b0a03d5cc at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a03e954 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a03ed3c at com.atlassian.jira.startup.JiraStartupChecklistFilter.doFilter(JiraStartupChecklistFilter.java:86)
@400000004d23442b0a03f124 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
@400000004d23442b0a03f50c at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
@400000004d23442b0a0404ac at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
@400000004d23442b0a040894 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
@400000004d23442b0a04432c at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
@400000004d23442b0a04432c at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
@400000004d23442b0a044714 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
@400000004d23442b0a044afc at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
@400000004d23442b0a045e84 at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:444)
@400000004d23442b0a04626c at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:472)
@400000004d23442b0a046654 at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
@400000004d23442b0a046a3c at java.lang.Thread.run(Thread.java:619)