Does this help? http://wiki.apache.org/solr/SolrPlugins
See especially "How to load plugins"... Best Erick On Tue, Nov 23, 2010 at 12:28 PM, Stefanie Scherzinger <stef...@google.com>wrote: > Hi, > > I am trying to define a custom FieldType for SOLR 1.4.1. > > To this end, I created the JAR file TestType.jar, I added a lib path in > solrconfig.xml so that this JAR file > as well as apache-solr-core-1.4.1.jar and lucene-core-2.9.3.jar are > included. > > I then edited schema.xml and defined my new type: > <fieldType name="myloc" class="afg.TestType" sortMissingLast="true" > omitNorms="true"/> > > Starting up SOLR, I see that my classes have been loaded successfully: > > INFO: Adding > 'file:/home/steffis/solr/apache-solr-1.4.1/my_jars/lucene-core-2.9.3.jar' > to > classloader > Nov 23, 2010 5:26:27 PM org.apache.solr.core.SolrResourceLoader > replaceClassLoader > INFO: Adding > 'file:/home/steffis/solr/apache-solr-1.4.1/my_jars/TestType.jar' to > classloader > Nov 23, 2010 5:26:27 PM org.apache.solr.core.SolrResourceLoader > replaceClassLoader > INFO: Adding 'file:/home/steffis/solr/apache-solr-1.4.1/my_jars/META-INF/' > to classloader > Nov 23, 2010 5:26:27 PM org.apache.solr.core.SolrResourceLoader > replaceClassLoader > > But when schema.xml is processed, I get a load error. Now superclass > FieldType of TestType cannot be found. > > INFO: created pdate: org.apache.solr.schema.DateField > Nov 23, 2010 6:26:13 PM org.apache.solr.servlet.SolrDispatchFilter init > > SEVERE: Could not start SOLR. Check solr/home property > java.lang.NoClassDefFoundError: org/apache/solr/schema/FieldType > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:634) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) > at java.net.URLClassLoader.access$000(URLClassLoader.java:73) > at java.net.URLClassLoader$1.run(URLClassLoader.java:212) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > at > > org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:375) > at java.lang.ClassLoader.loadClass(ClassLoader.java:314) > at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:615) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:264) > at > > org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:359) > at > > org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:390) > at org.apache.solr.schema.IndexSchema$1.create(IndexSchema.java:419) > at org.apache.solr.schema.IndexSchema$1.create(IndexSchema.java:447) > at > > org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:141) > at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:456) > at org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:95) > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:520) > at > > org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:137) > at > org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83) > 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:57) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > 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: java.lang.ClassNotFoundException: > org.apache.solr.schema.FieldType > at java.net.URLClassLoader$1.run(URLClassLoader.java:217) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > ... 50 more > > Is this a known problem? What can I do to fix this? > > Cheers, > Steffi >
