如何解决java.lang.NullPointerException \ n \ tat org.apache.solr.schema.TrieField.visibleToIndexedTrieField.java:433
从solr搜索时遇到以下异常。请帮助我找到问题
错误”:{ “ trace”:“ java.lang.NullPointerException \ n \ tat org.apache.solr.schema.TrieField.visibleToIndexed(TrieField.java:433)\ n \ tat org.apache.solr.search.ValueSourceParser.parseTerm(ValueSourceParser。 java:998)\ n \ tat org.apache.solr.search.ValueSourceParser.access $ 100(ValueSourceParser.java:83)\ n \ tat org.apache.solr.search.ValueSourceParser $ 61.parse(ValueSourceParser.java:675) \ n \ tat org.apache.solr.search.FunctionQParser.parseValueSource(FunctionQParser.java:368)\ n \ tat org.apache.solr.search.FunctionQParser.parseValueSource(FunctionQParser.java:235)\ n \ tat org。 apache.solr.search.ValueSourceParser $ 73.parse(ValueSourceParser.java:822)\ n \ tat org.apache.solr.search.FunctionQParser.parseValueSource(FunctionQParser.java:368)\ n \ tat org.apache.solr.search .FunctionQParser.parse(FunctionQParser.java:80)\ n \ tat org.apache.solr.search.QParser.getQuery(QParser.java:168)\ n \ tat org.apache.solr.search.SolrReturnFields.add(SolrReturnFields .java:302)\ n \ tat org.apache.solr.search.SolrReturnFields.parseFieldList(Sol rReturnFields.java:114)\n\t org.apache.solr.search.SolrReturnFields。(SolrReturnFields.java:100)\ n \ t org.apache.solr.search.SolrReturnFields。(SolrReturnFields.java:76)\ n \ tat org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:139)\ n \ tat org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:269)\ n \ tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:173)\ n \ tat org.apache.solr.core.SolrCore.execute(SolrCore.java:2440)\ n \ tat org.apache.solr。 servlet.HttpSolrCall.execute(HttpSolrCall.java:723)\ n \ tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:529)\ n \ tat org.apache.solr.servlet.SolrDispatchFilter.doFilter( SolrDispatchFilter.java:347)\n\t org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:298)\ n \ t org.eclipse.jetty.servlet.ServletHandler $ CachedChain.doFilter(ServletHandler.java: 1691)\ n \ tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java: 582)\ n \ t org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\ n \ t org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\ n \ tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\ n \ tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)\ n \ tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)\ n \ tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\ n \ tat org.eclipse。 jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)\ n \ tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\ n \ tat org.eclipse.jetty。 server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\ n \ tat org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\ n \ tat org.eclipse.jetty.server。 handler.HandlerWrapper.handle(HandlerWrapper.java:134)\ n \ tat org.eclipse.jetty.rewri te.handler.RewriteHandler.handle(RewriteHandler.java:335)\ n \ tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\ n \ tat org.eclipse.jetty.server。 Server.handle(Server.java:534)\ n \ tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)\ n \ tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection。 java:251)\ n \ tat org.eclipse.jetty.io.AbstractConnection $ ReadCallback.succeeded(AbstractConnection.java:273)\ n \ tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) \ n \ tat org.eclipse.jetty.io.SelectChannelEndPoint $ 2.run(SelectChannelEndPoint.java:93)\ n \ tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)\ n \ tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)\ n \ tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136 )\ n \ tat org.eclipse.jetty.util.thread.QueuedThrea dPool.runJob(QueuedThreadPool.java:671)\ n \ tat org.eclipse.jetty.util.thread.QueuedThreadPool $ 2.run(QueuedThreadPool.java:589)\ n \ tat java.lang.Thread.run(Thread.java :745)\ n“,
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