Dear all,
I'm struggling with one of those situations where Geoserver hangs up,
occupying 100% of CPU and not answering requests. In the log files I'm
getting loads of time out exceptions, but nothing special, apart the
exception reproduced below. This locked file exception is coming when
I shutdown Geoserver.
Can this exception be causing Geoserver to hang up? If not, is there a
way to avoid Geoserver permanently occupying the CPU at 100%, like
tweaking some threshold?
Thank you,
Luís
--------
2011-05-16 10:26:02,084 ERROR [data.shapefile] - The following locker
still has a lock� read on
file:/srv/arhtapp/geoserver/data_dir/00_BDG/VECTOR/LIMITES_ADM_PTCONT/LIMITES_ARHT/LIMITES_ARHT.shp
by org.geotools.data.shapefile.shp.ShapefileReader
it was created with the following stack trace
org.geotools.data.shapefile.ShpFilesLocker$Trace: Locking
file:/srv/arhtapp/geoserver/data_dir/00_BDG/VECTOR/LIMITES_ADM_PTCONT/LIMITES_ARHT/LIMITES_ARHT.shp
for read by org.geotools.data.shapefile.shp.ShapefileReader in thread
btpool0-51
at
org.geotools.data.shapefile.ShpFilesLocker.setTraceException(ShpFilesLocker.java:72)
at
org.geotools.data.shapefile.ShpFilesLocker.<init>(ShpFilesLocker.java:36)
at org.geotools.data.shapefile.ShpFiles.acquireRead(ShpFiles.java:365)
at
org.geotools.data.shapefile.ShpFiles.getReadChannel(ShpFiles.java:813)
at
org.geotools.data.shapefile.shp.ShapefileReader.<init>(ShapefileReader.java:213)
at
org.geotools.data.shapefile.ShapefileDataStore.openShapeReader(ShapefileDataStore.java:453)
at
org.geotools.data.shapefile.indexed.IndexedShapefileDataStore.getAttributesReader(IndexedShapefileDataStore.java:458)
at
org.geotools.data.shapefile.indexed.IndexedShapefileDataStore.getFeatureReader(IndexedShapefileDataStore.java:325)
at
org.geotools.data.AbstractDataStore.getFeatureReader(AbstractDataStore.java:385)
at
org.geotools.data.DefaultFeatureResults.reader(DefaultFeatureResults.java:210)
at
org.geotools.data.store.DataFeatureCollection.openIterator(DataFeatureCollection.java:224)
at
org.geotools.data.store.DataFeatureCollection.iterator(DataFeatureCollection.java:194)
at
org.geoserver.feature.RetypingFeatureCollection.iterator(RetypingFeatureCollection.java:47)
at
org.geotools.renderer.lite.StreamingRenderer.drawOptimized(StreamingRenderer.java:1859)
at
org.geotools.renderer.lite.StreamingRenderer.processStylers(StreamingRenderer.java:1792)
at
org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java:699)
at
org.geotools.renderer.shape.ShapefileRenderer.renderWithStreamingRenderer(ShapefileRenderer.java:1525)
at
org.geotools.renderer.shape.ShapefileRenderer.paint(ShapefileRenderer.java:1373)
at
org.vfny.geoserver.wms.responses.DefaultRasterMapProducer.produceMap(DefaultRasterMapProducer.java:376)
at
org.vfny.geoserver.wms.responses.GetMapResponse.execute(GetMapResponse.java:426)
at
org.geoserver.ows.adapters.ResponseAdapter.getMimeType(ResponseAdapter.java:48)
at org.geoserver.ows.Dispatcher.response(Dispatcher.java:712)
at
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:234)
at
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
at
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809)
at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
at
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at
org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
at
org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
at
org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
at
org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:73)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
org.geoserver.filters.ReverseProxyFilter.doFilter(ReverseProxyFilter.java:183)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:41)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
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