线程“main”中的异常java.lang.NoClassDefFoundError:org / ap
发布时间:2020-12-14 16:26:51 所属栏目:Java 来源:网络整理
导读:我尝试通过Solrj查询Solr 这是我的代码 public class ReadFromSolr {public static void main(String[] args) throws MalformedURLException,SolrServerException { String url = "http://localhost:8983/solr"; try{ SolrServer server = new CommonsHttpSo
我尝试通过Solrj查询Solr
这是我的代码 public class ReadFromSolr { public static void main(String[] args) throws MalformedURLException,SolrServerException { String url = "http://localhost:8983/solr"; try{ SolrServer server = new CommonsHttpSolrServer(url); ModifiableSolrParams params = new ModifiableSolrParams(); params.set("qt","/select"); params.set("q","name"); QueryResponse response = server.query(params); System.out.println("response = " + response); } catch (MalformedURLException ex) { ex.printStackTrace(); } catch (SolrServerException ex) { ex.printStackTrace(); } } } 它给了我一个例外 PS.我的peoject中有以下罐子: ** apache – commons-logging, Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/codec/DecoderException at org.apache.commons.httpclient.HttpMethodBase.<init>(HttpMethodBase.java:220) at org.apache.commons.httpclient.methods.GetMethod.<init>(GetMethod.java:89) at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:288) at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:243) at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:89) at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:118) at com.gismo.ReadFromSolr.main(ReadFromSolr.java:27) Caused by: java.lang.ClassNotFoundException: org.apache.commons.codec.DecoderException at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) 解决方法
类路径上需要
commons-codec.jar.
(编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |