My first guess is that you have multiple or out-of-date jars in your classpath on those machines.
Best, Erick > On Feb 5, 2020, at 5:53 PM, Joe Obernberger <joseph.obernber...@gmail.com> > wrote: > > Hi All - getting this error intermittently on a solr cloud cluster. > Sometimes the heatmap generation works, sometimes not. I tracked it down to > some of the nodes are reporting this error: > > null:java.lang.RuntimeException: java.lang.NoClassDefFoundError: Could not > initialize class org.apache.solr.search.facet.FacetHeatmap$PngHelper > at org.apache.solr.servlet.HttpSolrCall.sendError(HttpSolrCall.java:733) > at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:591) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:423) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:350) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1711) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1347) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1678) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1249) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) > at > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at > org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at org.eclipse.jetty.server.Server.handle(Server.java:505) > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) > at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:311) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:132) > at > org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:170) > at > org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:125) > at > org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:348) > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) > at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) > at > org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:781) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:917) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.lang.NoClassDefFoundError: Could not initialize class > org.apache.solr.search.facet.FacetHeatmap$PngHelper > at > org.apache.solr.search.facet.FacetHeatmap.asPngBytes(FacetHeatmap.java:406) > at > org.apache.solr.search.facet.FacetHeatmap.formatCountsVal(FacetHeatmap.java:295) > at > org.apache.solr.search.facet.FacetHeatmap.access$500(FacetHeatmap.java:68) > at > org.apache.solr.search.facet.FacetHeatmap$FacetHeatmapProcessor.process(FacetHeatmap.java:251) > at > org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:401) > at > org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:392) > at > org.apache.solr.handler.component.SpatialHeatmapFacets.getHeatmapForField(SpatialHeatmapFacets.java:50) > at > org.apache.solr.request.SimpleFacets.getHeatmapCounts(SimpleFacets.java:1204) > at > org.apache.solr.handler.component.FacetComponent.getFacetCounts(FacetComponent.java:334) > at > org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:274) > at > org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:305) > at > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199) > at org.apache.solr.core.SolrCore.execute(SolrCore.java:2578) > at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:780) > at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:566) > ... 42 more > > But that class is clearly present in the classpath in solr-core-8.2.0.jar. > Any idea how this is happening? > Thank you! > > -Joe Obernberger >
