Hi,

I have a GeoServer 1.7 installed under a Tomcat 6.0, and it was working OK 
until a couple of weeks. Trying to understand what is going on now, I would 
like to know if the next exception that GeoServer is throwing frequently can be 
a cause of the WMS working not very well:

ERROR [geoserver.ows] -
java.lang.IndexOutOfBoundsException: pos < flushedPos!
                at 
javax.imageio.stream.ImageInputStreamImpl.seek(ImageInputStreamImpl.java:754)
                at 
com.sun.imageio.plugins.png.IDATOutputStream.finishChunk(PNGImageWriter.java:173)
                at 
com.sun.imageio.plugins.png.IDATOutputStream.deflate(PNGImageWriter.java:208)
                at 
com.sun.imageio.plugins.png.IDATOutputStream.finish(PNGImageWriter.java:233)
                at 
com.sun.imageio.plugins.png.PNGImageWriter.write_IDAT(PNGImageWriter.java:933)
                at 
com.sun.imageio.plugins.png.PNGImageWriter.write(PNGImageWriter.java:1146)
                at 
org.geotools.image.ImageWorker.writePNG(ImageWorker.java:2177)
                at 
org.vfny.geoserver.wms.responses.map.png.PNGMapProducer.formatImageOutputStream(PNGMapProducer.java:78)
                at 
org.vfny.geoserver.wms.responses.DefaultRasterMapProducer.writeTo(DefaultRasterMapProducer.java:167)
                at 
org.vfny.geoserver.wms.responses.GetMapResponse.writeTo(GetMapResponse.java:609)
                at 
org.geoserver.ows.adapters.ResponseAdapter.write(ResponseAdapter.java:60)
                at org.geoserver.ows.Dispatcher.response(Dispatcher.java:711)
                at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:215)
                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:617)
                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.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
                at 
org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
                at 
org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
                at 
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
                at 
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
                at 
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:178)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
                at 
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:229)
                at 
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
                at 
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
                at 
org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at 
org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:73)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at 
org.geoserver.filters.ReverseProxyFilter.doFilter(ReverseProxyFilter.java:163)
                at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:41)
                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:128)
                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:293)
                at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
                at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
                at java.lang.Thread.run(Thread.java:619)

Have anyone any clue about this error?

Thanks in advance,

José Miguel

-------------------------------------------------------------------
José Miguel Rubio Iglesias
Centro Nacional de Información Geográfica
Instituto Geográfico Nacional
C/General Ibáñez de Ibero, 3 28003 MADRID
Despacho: A 0002 Teléfono: 91 597 97 51
E-mail: [email protected]<mailto:[email protected]>
[email protected]<mailto:[email protected]>


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