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好吧,我放棄了。我找不到解決方案。全文:我使用在Jetty上運行的ManifoldCF v.5.1連接到Opentext(一切正常,我可以抓取Opentext),現在我已經在Tomcat 7上運行Solr 4.0 Alpha,並從ManifoldCF獲取輸出。但是,只要ManifoldCF試圖將數據交給Solr。我得到這個錯誤:Solr錯誤實例化請求處理程序
SEVERE: null:org.apache.solr.common.SolrException: lazy loading error
at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.getWra
ppedHandler(RequestHandlers.java:256)
at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handle
Request(RequestHandlers.java:238)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1561)
at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter
.java:442)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilte
r.java:263)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:185)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:151)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
929)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:405)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:269)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(
AbstractProtocol.java:515)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoin
t.java:300)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.solr.common.SolrException: Error Instantiating Request Han
dler, org.apache.solr.handler.extraction.ExtractingRequestHandler failed to inst
antiate org.apache.solr.request.SolrRequestHandler
at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:434)
at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:477)
at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.getWra
ppedHandler(RequestHandlers.java:247)
... 19 more
Caused by: java.lang.ClassCastException: class org.apache.solr.handler.extractio
n.ExtractingRequestHandler
at java.lang.Class.asSubclass(Unknown Source)
at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.
java:399)
at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:420)
... 21 more
我已經在solarconfig.xml中嘗試了幾個請求處理程序,它們都以相同的方式失敗。我讀過apache-solr-cell * .jar必須在solr.war中,但似乎無法證實或使用ant將其合併。 請指教......
答案是Solr不工作,因爲Tomcat 7.0.3中存在一個錯誤。您需要使用tomcat6或tomcat7 v7.0.5或更高版本。點擊tomcat7下的存檔鏈接查看大於7.0.3的版本。 – djm 2012-10-05 16:20:14
好吧我修復了它。通過將所有的manifoldcf jar複製到webapps/solr/lib文件夾中,我在tomcat 7.0.8中運行了solr 4.0。 – djm 2012-11-21 21:19:11
你能解釋一下你做了些什麼嗎?每次我想將文檔插入solr時,我都有ExtractingRequestHanlder錯誤。 – FrenkyB 2013-12-16 06:01:45