Apache Tomcat/7.0.42 +solr4.5 配置安装时，遇到 500 错误，求解，多谢～～

Question

Apache Tomcat/7.0.42 +solr4.5 部署时以下问题，求解！！

可以成功访问tomcat的主页http://localhost:8983/

但访问http://localhost:8983/solr/时出现以下错误，

HTTPステータス 500 - {msg=SolrCore 'collection1' is not available due to init failure:

 Error loading class 'solr.clustering.ClusteringComponent',trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:785)

    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:295)

    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195)

    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:222)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)

    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)

    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)

    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)

    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)

    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)

    at java.lang.Thread.run(Thread.java:619)

Caused by: org.apache.solr.common.SolrException: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:834)

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:625)

    at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:524)

    at org.apache.solr.core.CoreContainer.create(CoreContainer.java:559)

    at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:249)

    at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:241)

    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

    at java.util.concurrent.FutureTask.run(FutureTask.java:138)

    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

    at java.util.concurrent.FutureTask.run(FutureTask.java:138)

    ... 3 more

Caused by: org.apache.solr.common.SolrException: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:449)

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:381)

    at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:526)

    at org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:582)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2128)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2122)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2155)

    at org.apache.solr.core.SolrCore.loadSearchComponents(SolrCore.java:1177)

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:762)

    ... 13 more

Caused by: java.lang.ClassNotFoundException: solr.clustering.ClusteringComponent

    at java.net.URLClassLoader$1.run(URLClassLoader.java:200)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

    at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:592)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

    at java.lang.Class.forName0(Native Method)

    at java.lang.Class.forName(Class.java:247)

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:433)

    ... 21 more

,code=500}</h1><HR size="1" noshade="noshade"><p><b>type</b> ステータスレポート</p><p><b>メッセージ</b> <u>{msg=SolrCore 'collection1' is not available due to init failure: Error loading class 'solr.clustering.ClusteringComponent',trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:785)

    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:295)

    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195)

    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:222)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)

    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)

    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)

    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)

    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)

    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)

    at java.lang.Thread.run(Thread.java:619)

Caused by: org.apache.solr.common.SolrException: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:834)

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:625)

    at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:524)

    at org.apache.solr.core.CoreContainer.create(CoreContainer.java:559)

    at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:249)

    at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:241)

    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

    at java.util.concurrent.FutureTask.run(FutureTask.java:138)

    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

    at java.util.concurrent.FutureTask.run(FutureTask.java:138)

    ... 3 more

Caused by: org.apache.solr.common.SolrException: Error loading class 'solr.clustering.ClusteringComponent'

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:449)

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:381)

    at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:526)

    at org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:582)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2128)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2122)

    at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2155)

    at org.apache.solr.core.SolrCore.loadSearchComponents(SolrCore.java:1177)

    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:762)

    ... 13 more

Caused by: java.lang.ClassNotFoundException: solr.clustering.ClusteringComponent

    at java.net.URLClassLoader$1.run(URLClassLoader.java:200)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

    at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:592)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

    at java.lang.Class.forName0(Native Method)

    at java.lang.Class.forName(Class.java:247)

    at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:433)

    ... 21 more

Answer 1

solr-4.5.0/example/solr/collection1/conf/solrconfig.xml 这里面的jar包地址找对

Answer 2

这是因为你solr的solrconfig.xml包引入的路径有问题，这里有解决方案：http://www.devnote.cn/article/34.html

Answer 3

关于solr的教程请查看：
http://www.luoshengsha.com/frame/solr

Answer 4

船老大，是那个目录下少了jar包？

Answer 5

少jar包了吧