On 9/20/07, Walter Ferrara <[EMAIL PROTECTED]> wrote: > (I don't know if this is a solr-user or solr-dev matter.) > > By uncommenting firstSearcher event in solrconfig.xml in trunk > (downloaded from hudson Sept.16), as in: > > <listener event="firstSearcher" class="solr.QuerySenderListener"> > <arr name="queries"> > <lst> <str name="q">fast_warm</str> <str name="start">0</str> > <str name="rows">10</str> </lst> > </arr> > </listener> > > I got this exception: > 20-set-2007 21.10.14 org.apache.solr.core.SolrCore parseListener > INFO: Searching for listeners: //[EMAIL PROTECTED]"firstSearcher"] > java.lang.InstantiationException: org.apache.solr.core.QuerySenderListener > at java.lang.Class.newInstance0(Unknown Source) > at java.lang.Class.newInstance(Unknown Source) > at org.apache.solr.core.Config.newInstance(Config.java:304) > [...] > > This issue is easily reproducible by using the example directory, just > uncomment firstSearcher and/or newSearcher event in the sorlconfig.xml, > and launch solr.
Confirmed. I wonder if this is caused by the recent multi-core refactoring? It seems like a null pointer exception happens at Config config = core.getSolrConfig(); Assuming that this is the cause of the failed instantiation and not a result of it? Here's the full stack trace: INFO: Searching for listeners: //[EMAIL PROTECTED]"firstSearcher"] java.lang.InstantiationException: org.apache.solr.core.QuerySenderListener at java.lang.Class.newInstance0(Class.java:335) at java.lang.Class.newInstance(Class.java:303) at org.apache.solr.core.Config.newInstance(Config.java:304) at org.apache.solr.core.SolrCore.parseListener(SolrCore.java:134) at org.apache.solr.core.SolrCore.parseListeners(SolrCore.java:146) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:287) at org.apache.solr.core.SolrCore.getSolrCore(SolrCore.java:244) at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:66) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:99) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:594) at org.mortbay.jetty.servlet.Context.startContext(Context.java:139) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1218) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:161) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117) at org.mortbay.jetty.Server.doStart(Server.java:210) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:929) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.mortbay.start.Main.invokeMain(Main.java:183) at org.mortbay.start.Main.start(Main.java:497) at org.mortbay.start.Main.main(Main.java:115) Sep 20, 2007 5:05:18 PM org.apache.solr.servlet.SolrDispatchFilter init SEVERE: Could not start SOLR. Check solr/home property java.lang.NullPointerException at org.apache.solr.servlet.SolrRequestParsers.<init>(SolrRequestParsers.java:71) at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:67) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:99) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:594) at org.mortbay.jetty.servlet.Context.startContext(Context.java:139) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1218) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:161) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117) at org.mortbay.jetty.Server.doStart(Server.java:210) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:929) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.mortbay.start.Main.invokeMain(Main.java:183) at org.mortbay.start.Main.start(Main.java:497) at org.mortbay.start.Main.main(Main.java:115) -Yonik