如何获取有关错误 404 solrj 请求的更多信息

如何解决如何获取有关错误 404 solrj 请求的更多信息

Solr 服务器在没有描述的情况下返回此错误，如果没有更多信息，我无法找到如何调试它。服务器/核心的 URL 是正确的，因为某些文档已编入索引。

2021-03-29 13:53:37,587 ERROR [br.gov.pr.celepar.spiweb.indexacao.ProcessadorRequisicaoSolr] (pool-23-thread-1) Tarefa falhou (ProcessadorRequisicaoSolr) para o arquivo de código: 87730: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://solrserver/solr/my-core: Expected mime type application/octet-stream but got text/html. <html>
<head>
<Meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/error/HTTP_BAD_GATEWAY.html.var</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>-</td></tr>
</table>

</body>
</html>

    at deployment.spiweb.war//org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:635)
    at deployment.spiweb.war//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266)
    at deployment.spiweb.war//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248)
    at deployment.spiweb.war//org.apache.solr.client.solrj.solrClient.request(SolrClient.java:1290)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.gateway.solrIndexacaoGatewayAPI.indexar(SolrIndexacaoGatewayAPI.java:61)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.RequisitorSolr.executarTarefaMonitorada(RequisitorSolr.java:37)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.RequisitorSolr.executarTarefaMonitorada(RequisitorSolr.java:8)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.TarefaMonitorada.executar(TarefaMonitorada.java:9)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.ProcessadorRequisicaoSolr.executarTarefaMonitorada(ProcessadorRequisicaoSolr.java:28)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.ProcessadorRequisicaoSolr.executarTarefaMonitorada(ProcessadorRequisicaoSolr.java:10)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.TarefaMonitorada.executar(TarefaMonitorada.java:9)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.ProcessadorTarefas$TarefaMonitoradaWrapperRequisicaSolr.call(ProcessadorTarefas.java:65)
    at deployment.spiweb.war//br.gov.pr.celepar.spiweb.indexacao.ProcessadorTarefas$TarefaMonitoradaWrapperRequisicaSolr.call(ProcessadorTarefas.java:54)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:834)