I had a working GeoServer 2.8.1 under Tomcat on Linux that had an error 
crashing when I tried to view layer groups in the admin interface.

I installed a second copy of GeoServer 2.8.1 under Tomcat at a different URL 
and copied across the raster data and created the layers I needed.

In the original system, I could view the whole of the UK 1:25k raster data.

Under the new system I get the error below until I zoom to 1:68k.
Any ideas what I am missing.


org.geotools.data.DataSourceException: Unable to create this mosaic
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1307)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.processRequest(RasterLayerResponse.java:1191)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.createResponse(RasterLayerResponse.java:1157)
        at 
org.geotools.gce.imagemosaic.RasterManager.read(RasterManager.java:1163)
        at 
org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:871)
        at 
org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:850)
        at 
org.geoserver.catalog.SingleGridCoverage2DReader.read(SingleGridCoverage2DReader.java:149)
        at 
org.geoserver.catalog.CoverageDimensionCustomizerReader.read(CoverageDimensionCustomizerReader.java:229)
        at 
org.geoserver.catalog.CoverageDimensionCustomizerReader.read(CoverageDimensionCustomizerReader.java:219)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readSingleCoverage(GridCoverageReaderHelper.java:511)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readCoverageInEnvelope(GridCoverageReaderHelper.java:298)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readCoverages(GridCoverageReaderHelper.java:203)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.renderImage(GridCoverageRenderer.java:800)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.paint(GridCoverageRenderer.java:1165)
        at 
org.geotools.renderer.lite.StreamingRenderer$RenderCoverageReaderRequest.execute(StreamingRenderer.java:3414)
        at 
org.geotools.renderer.lite.StreamingRenderer$PainterThread.run(StreamingRenderer.java:3503)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: javax.media.jai.util.ImagingException: All factories fail for the 
operation "Mosaic"
        at 
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1687)
        at 
it.geosolutions.jaiext.ConcurrentOperationRegistry.invokeFactory(ConcurrentOperationRegistry.java:576)
        at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
        at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
        at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
        at javax.media.jai.RenderedOp.getRendering(RenderedOp.java:888)
        at javax.media.jai.RenderedOp$1.getPropertyNames(RenderedOp.java:1791)
        at 
javax.media.jai.PropertyEnvironment.mapDefaults(PropertyEnvironment.java:270)
        at 
javax.media.jai.PropertyEnvironment.getPropertyNames(PropertyEnvironment.java:125)
        at 
javax.media.jai.WritablePropertySourceImpl.addProperties(WritablePropertySourceImpl.java:298)
        at javax.media.jai.RenderedOp.createPropertySource(RenderedOp.java:1817)
        at javax.media.jai.RenderedOp.setProperty(RenderedOp.java:2034)
        at org.geotools.image.ImageWorker.setROI(ImageWorker.java:684)
        at org.geotools.image.ImageWorker.mosaic(ImageWorker.java:4359)
        at 
org.geotools.gce.imagemosaic.MergeBehavior$2.process(MergeBehavior.java:149)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$Mosaicker.createMosaic(RasterLayerResponse.java:815)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$Mosaicker.access$2600(RasterLayerResponse.java:646)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.produce(RasterLayerResponse.java:1027)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.access$3100(RasterLayerResponse.java:846)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1259)
        ... 20 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedMethodAccessor737.invoke(Unknown Source)        
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at javax.media.jai.FactoryCache.invoke(FactoryCache.java:122)
        at 
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1674)
        ... 39 more
Caused by: java.lang.IllegalArgumentException: The reference geometry must be 
either Polygon, MultiPolygon, or a polygonal PreparedGeometry
        at javax.media.jai.JAI.createNS(JAI.java:1087)
        at javax.media.jai.JAI.create(JAI.java:973)
        at org.jaitools.imageutils.ROIGeometry.getAsImage(ROIGeometry.java:474)
        at 
com.sun.media.jai.opimage.MosaicOpImage.<init>(MosaicOpImage.java:374)
        at 
com.sun.media.jai.mlib.MlibMosaicOpImage.<init>(MlibMosaicOpImage.java:49)
        at com.sun.media.jai.mlib.MlibMosaicRIF.create(MlibMosaicRIF.java:74)
        ... 44 more
2016-01-28 16:28:36,268 ERROR [geoserver.ows] -
org.geoserver.platform.ServiceException: Rendering process failed
        at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:569)
        at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:260)
        at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:132)
        at org.geoserver.wms.GetMap.executeInternal(GetMap.java:504)
        at org.geoserver.wms.GetMap.run(GetMap.java:248)
        at org.geoserver.wms.GetMap.run(GetMap.java:119)
        at 
org.geoserver.wms.DefaultWebMapService.getMap(DefaultWebMapService.java:320)
        at sun.reflect.GeneratedMethodAccessor878.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at 
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at 
org.geoserver.kml.WebMapServiceKmlInterceptor.invoke(WebMapServiceKmlInterceptor.java:34)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at 
org.geoserver.gwc.wms.CacheSeedingWebMapService.invoke(CacheSeedingWebMapService.java:62)
        at 
org.geoserver.gwc.wms.CacheSeedingWebMapService.invoke(CacheSeedingWebMapService.java:36)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at 
org.geoserver.gwc.wms.CachingWebMapService.invoke(CachingWebMapService.java:74)
        at 
org.geoserver.gwc.wms.CachingWebMapService.invoke(CachingWebMapService.java:55)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at 
org.geoserver.ows.util.RequestObjectLogger.invoke(RequestObjectLogger.java:55)
        at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
        at com.sun.proxy.$Proxy218.getMap(Unknown Source)
        at sun.reflect.GeneratedMethodAccessor841.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.geoserver.ows.Dispatcher.execute(Dispatcher.java:845)
        at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:275)
        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:923)
        at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
        at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
        at 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:75)
        at 
org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:71)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
        at 
org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:46)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
        at 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
        at 
org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:54)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.geoserver.security.filter.GeoServerBasicAuthenticationFilter.doFilter(GeoServerBasicAuthenticationFilter.java:83)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
        at 
org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:53)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
       at 
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
        at 
org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:135)
        at 
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
        at 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:87)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:42)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
        at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
        at 
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: org.geotools.data.DataSourceException: Unable to create this mosaic
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1307)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.processRequest(RasterLayerResponse.java:1191)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.createResponse(RasterLayerResponse.java:1157)
        at 
org.geotools.gce.imagemosaic.RasterManager.read(RasterManager.java:1163)
        at 
org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:871)
        at 
org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:850)
        at 
org.geoserver.catalog.SingleGridCoverage2DReader.read(SingleGridCoverage2DReader.java:149)
        at 
org.geoserver.catalog.CoverageDimensionCustomizerReader.read(CoverageDimensionCustomizerReader.java:229)
        at 
org.geoserver.catalog.CoverageDimensionCustomizerReader.read(CoverageDimensionCustomizerReader.java:219)
       at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readSingleCoverage(GridCoverageReaderHelper.java:511)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readCoverageInEnvelope(GridCoverageReaderHelper.java:298)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageReaderHelper.readCoverages(GridCoverageReaderHelper.java:203)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.renderImage(GridCoverageRenderer.java:800)
        at 
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.paint(GridCoverageRenderer.java:1165)
        at 
org.geotools.renderer.lite.StreamingRenderer$RenderCoverageReaderRequest.execute(StreamingRenderer.java:3414)
        at 
org.geotools.renderer.lite.StreamingRenderer$PainterThread.run(StreamingRenderer.java:3503)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        ... 3 more
Caused by: javax.media.jai.util.ImagingException: All factories fail for the 
operation "Mosaic"
        at 
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1687)
        at 
it.geosolutions.jaiext.ConcurrentOperationRegistry.invokeFactory(ConcurrentOperationRegistry.java:576)
        at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
        at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
        at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
        at javax.media.jai.RenderedOp.getRendering(RenderedOp.java:888)
        at javax.media.jai.RenderedOp$1.getPropertyNames(RenderedOp.java:1791)
        at 
javax.media.jai.PropertyEnvironment.mapDefaults(PropertyEnvironment.java:270)
        at 
javax.media.jai.PropertyEnvironment.getPropertyNames(PropertyEnvironment.java:125)
        at 
javax.media.jai.WritablePropertySourceImpl.addProperties(WritablePropertySourceImpl.java:298)
        at javax.media.jai.RenderedOp.createPropertySource(RenderedOp.java:1817)
        at javax.media.jai.RenderedOp.setProperty(RenderedOp.java:2034)
        at org.geotools.image.ImageWorker.setROI(ImageWorker.java:684)
        at org.geotools.image.ImageWorker.mosaic(ImageWorker.java:4359)
        at 
org.geotools.gce.imagemosaic.MergeBehavior$2.process(MergeBehavior.java:149)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$Mosaicker.createMosaic(RasterLayerResponse.java:815)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$Mosaicker.access$2600(RasterLayerResponse.java:646)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.produce(RasterLayerResponse.java:1027)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.access$3100(RasterLayerResponse.java:846)
        at 
org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1259)
        ... 20 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedMethodAccessor737.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at javax.media.jai.FactoryCache.invoke(FactoryCache.java:122)
        at 
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1674)
        ... 39 more
Caused by: java.lang.IllegalArgumentException: The reference geometry must be 
either Polygon, MultiPolygon, or a polygonal PreparedGeometry
        at javax.media.jai.JAI.createNS(JAI.java:1087)
        at javax.media.jai.JAI.create(JAI.java:973)
        at org.jaitools.imageutils.ROIGeometry.getAsImage(ROIGeometry.java:474)
        at 
com.sun.media.jai.opimage.MosaicOpImage.<init>(MosaicOpImage.java:374)
        at 
com.sun.media.jai.mlib.MlibMosaicOpImage.<init>(MlibMosaicOpImage.java:49)
        at com.sun.media.jai.mlib.MlibMosaicRIF.create(MlibMosaicRIF.java:74)
        ... 44 more
------------------------------------------------------------------------------
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