與集合API NPE SolrCloud安裝錯誤

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我試圖建立一個SolrCloud安裝，我按照這個指南：http://wiki.apache.org/solr/SolrCloudTomcat 與集合API NPE SolrCloud安裝錯誤

瀏覽到任何Solr的情況下，我收到此錯誤信息（如預期）的：

There are no SolrCores running. 
Using the Solr Admin UI currently requires at least one SolrCore.

然而，在涉及curl命令我碰到下面的錯誤的最後一步：

curl 'http://mysolr1.com:8080/solr/admin/collections?action=CREATE&name=collection&numShards=4&replicationFactor=1' 
<?xml version="1.0" encoding="UTF-8"?> 
<response> 
<lst name="responseHeader"><int name="status">500</int><int name="QTime">11</int></lst><lst name="error"><str name="trace">java.lang.NullPointerException 
    at org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:149) 
    at org.apache.solr.handler.admin.CollectionsHandler.handleCreateAction(CollectionsHandler.java:277) 
    at org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:112) 
    at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135) 
    at org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:591) 
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:201) 
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:141) 
    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:947) 
    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:1009) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) 
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
    at java.lang.Thread.run(Thread.java:722) 
</str><int name="code">500</int></lst> 
</response>

任何想法？

來源

2013-04-16 Chris

看來Solr無法溝通或者Solr沒有從ZooKeeper獲得預期的響應。

按Solr的4.2.1 Source Code：

Line 149 # QueueEvent event = coreContainer.getZkController() 
.getOverseerCollectionQueue() 
.offer(ZkStateReader.toJSON(m), DEFAULT_ZK_TIMEOUT);

所以，能否請您覈實：

連接到動物園管理員，並確認Solr的配置存在（may be this reference will help）

讓我知道結果！

來源

2013-04-17 05:13:09 jeevatkm

與集合API NPE SolrCloud安裝錯誤

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