Algorithms that have no compactness constraint是什么意思—such as Mean Shift algorithms—are fast.

Resource not found
Resource not found
org.apache.cocoon.ResourceNotFoundException:
Unable to locate bitstream
&map:read type="BitstreamReader"& - context:/jndi:/dspace.mit.edu/sitemap.xmap - 297:78
Cocoon stacktrace
Unable to locate bitstream
context:/jndi:/dspace.mit.edu/sitemap.xmap - 297:78
&map:read type="BitstreamReader"&
context:/jndi:/dspace.mit.edu/sitemap.xmap - 287:68
&map:select type="browser"&
context:/jndi:/dspace.mit.edu/sitemap.xmap - 286:88
&map:match type="request-parameter"&
context:/jndi:/dspace.mit.edu/sitemap.xmap - 285:70
&map:match&
Java stacktrace
org.apache.cocoon.ResourceNotFoundException: Unable to locate bitstream
at &map:read type="BitstreamReader"& - jndi:/dspace.mit.edu/sitemap.xmap:297:78
at &map:select type="browser"& - jndi:/dspace.mit.edu/sitemap.xmap:287:68
at &map:match type="request-parameter"& - jndi:/dspace.mit.edu/sitemap.xmap:286:88
at &map:match& - jndi:/dspace.mit.edu/sitemap.xmap:285:70
at org.dspace.app.xmlui.cocoon.BitstreamReader.setup(BitstreamReader.java:264)
at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy19.setup(Unknown Source)
at org.ponents.pipeline.AbstractProcessingPipeline.setupReader(AbstractProcessingPipeline.java:560)
at org.ponents.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:464)
at org.ponents.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:411)
at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy18.process(Unknown Source)
at org.ponents.treeprocessor.sitemap.ReadNode.invoke(ReadNode.java:94)
at org.ponents.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at org.ponents.treeprocessor.sitemap.SelectNode.invoke(SelectNode.java:87)
at org.ponents.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at org.ponents.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at org.ponents.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at org.ponents.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at org.ponents.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at org.ponents.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at org.ponents.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at org.ponents.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at org.ponents.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at org.ponents.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at org.ponents.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351)
at org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169)
at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
at org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
at org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at com.sun.proxy.$Proxy14.service(Unknown Source)
at org.apache.cocoon.servletservice.DispatcherServlet.service(DispatcherServlet.java:106)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:269)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.cocoon.servlet.multipart.MultipartFilter.doFilter(MultipartFilter.java:131)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
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:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.mon.HandlerRequest.invoke(HandlerRequest.java:291)
at org.mon.ChannelSocket.invoke(ChannelSocket.java:769)
at org.mon.ChannelSocket.processConnection(ChannelSocket.java:698)
at org.mon.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:745)
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