Which build of Solr are you using. The feature of loading libraries
from ${solr.home}/lib is added recently. I guess it must work with the
latest trunk. if it doesn't please let us know
--NobleOn Mon, Aug 25, 2008 at 8:41 PM, Walter Ferrara <[EMAIL PROTECTED]> wrote: > Launching a multicore solr with dataimporthandler using a mysql driver, > (driver="com.mysql.jdbc.Driver") works fine if the mysql connector jar > (mysql-connector-java-5.0.7-bin.jar) is in the classpath, either jdk > classpath or inside the solr.war lib dir. > While putting the mysql-connector-java-5.0.7-bin.jar in core0/lib > directory, or in the multicore shared lib dir (specified in sharedLib > attribute in solr.xml) result in exception, even if the jar is correctly > loaded by the classloader: > > 25-ago-2008 16.36.05 org.apache.solr.core.SolrResourceLoader > createClassLoader > INFO: Adding > 'file:/E:/Temp/apache-solr-2008-08-25_08-06-39/example/solr/lib/mysql-connector-java-5.0.7-bin.jar' > to Solr classloader > [..] > GRAVE: Exception while loading DataImporter > org.apache.solr.handler.dataimport.DataImportHandlerException: Failed to > initialize DataSource: null Processing Document # > at > org.apache.solr.handler.dataimport.DataImporter.getDataSourceInstance(DataImporter.java:306) > at > org.apache.solr.handler.dataimport.DataImporter.addDataSource(DataImporter.java:273) > at > org.apache.solr.handler.dataimport.DataImporter.initEntity(DataImporter.java:228) > at > org.apache.solr.handler.dataimport.DataImporter.<init>(DataImporter.java:98) > at > org.apache.solr.handler.dataimport.DataImportHandler.inform(DataImportHandler.java:106) > at > org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:311) > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:475) > at org.apache.solr.core.CoreContainer.create(CoreContainer.java:323) > at org.apache.solr.core.CoreContainer.load(CoreContainer.java:216) > at > org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:104) > at > org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:69) > 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(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > 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) > Caused by: > org.apache.solr.handler.dataimport.DataImportHandlerException: driver > could not be loaded Processing Document # > at > org.apache.solr.handler.dataimport.JdbcDataSource.createConnectionFactory(JdbcDataSource.java:110) > at > org.apache.solr.handler.dataimport.JdbcDataSource.init(JdbcDataSource.java:63) > at > org.apache.solr.handler.dataimport.DataImporter.getDataSourceInstance(DataImporter.java:303) > ... 34 more > > Shouldn't it works when the jar is (only) in the core lib dir? > tested on windows machine, with java 1.6 and today hudson nightly build > of solr. > > Walter > > > -- --Noble Paul
