[英]NullPointerException in solr multicore
我正在為兩個內核配置我的solr並且已經完成了大部分工作,但是我收到了這個神秘的錯誤。
首先,這是我的solr.xml:
<?xml version='1.0' encoding='UTF-8'?>
<solr persistent="true">
<cores adminPath="/admin/cores">
<core name="cars" dataDir="/var/lib/solr/data/cars" config="/etc/solr/home_cars/conf/solrconfig.xml" schema="/etc/solr/home_cars/conf/schema.xml" instanceDir="home_cars" />
<core name="industrial" dataDir="/var/lib/solr/data/industrial" config="/etc/solr/home_industrial/conf/solrconfig.xml" schema="/etc/solr/home_industrial/conf/schema.xml" instanceDir="home_industrial" />
</cores>
</solr>
所有這一切似乎都很好。 我相信我已經為所有位置設置了適當的權限,但我仍然在catalina.out中收到此錯誤:
INFO: user.dir=/var/lib/tomcat6
Aug 8, 2010 2:03:27 PM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:173)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1317)
at org.apache.solr.core.QuerySenderListener.newSearcher(QuerySenderListener.java:52)
at org.apache.solr.core.SolrCore$3.call(SolrCore.java:1147)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
一些[info]記錄然后這個:
SEVERE: java.lang.NullPointerException
at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:173)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1317)
at org.apache.solr.core.QuerySenderListener.newSearcher(QuerySenderListener.java:52)
at org.apache.solr.core.SolrCore$3.call(SolrCore.java:1147)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
我不是solr,java或tomcat的頂級貓(或其他很多東西,呵呵)。 任何幫助將不勝感激!
看起來這是因為QueryElevationComponent的配置不存在。 嘗試這個:
我碰巧復制了之前的solrconfig.xml,因此elev.xml路徑引用錯誤。
如果您從模板搜索開始:
<searchComponent name="elevator" class="solr.QueryElevationComponent" >
<!-- pick a fieldType to analyze queries -->
<str name="queryFieldType">string</str>
<str name="config-file">elevate.xml</str>
</searchComponent>
並將其更改為:
<searchComponent name="elevator" class="solr.QueryElevationComponent" >
<!-- pick a fieldType to analyze queries -->
<str name="queryFieldType">string</str>
<str name="config-file">../../conf/elevate.xml</str>
</searchComponent>
假設您正在使用所有默認目錄。
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