我正在尝试使用 solrJ 访问 solr 服务器
- 我在子域 search.xxx.com 中部署了 solr，并尝试使用 solrj 客户端索引一些数据。但我在 Tomcat 7 的 catalina.out 中收到“需要长度”。
- 当我开发它时，它在我的本地设置中运行良好。
- 查询成功，即使返回0个doc。
- 即使我转储它并使用数据导入处理程序（xml），我怎样才能动态更新文档。
下面是我得到的 catalina.out 错误：
org.apache.solr.common.SolrException: Length Required
Length Required
request: http://search.xxx.com/solr/product_mobile/update/javabin?wt=javabin&version=2
at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:432)
at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:246)
at org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:105)
at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:69)
at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:54)
at com.xxx.product.solrclient.SolrConnection.indexListOfDocuments(SolrConnection.java:183)
at com.xxx.product.solrclient.SolrOperations.reloadDataIntoSolrIndex(SolrOperations.java:169)
at com.xxx.product.servlets.AjaxCallHandlerServlet.reloadSolrIndex(AjaxCallHandlerServlet.java:235)
at com.xxx.product.servlets.AjaxCallHandlerServlet.doPost(AjaxCallHandlerServlet.java:140)
at com.xxx.product.servlets.AjaxCallHandlerServlet.doGet(AjaxCallHandlerServlet.java:64)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
at com.inspion.product.servlets.ProductFrontControllerServlet.doGet(ProductFrontControllerServlet.java:62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.inspion.product.filters.ProductRequestValidatorFilter.doFilter(ProductRequestValidatorFilter.java:49)
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:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:261)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1731)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)