Andrzej Bialecki created SOLR-18473:
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Summary: CrossDC Consumer NPE on shutdown
Key: SOLR-18473
URL: https://issues.apache.org/jira/browse/SOLR-18473
Project: Solr
Issue Type: Bug
Components: module - crossDC
Affects Versions: 10.1
Reporter: Andrzej Bialecki
Assignee: Andrzej Bialecki
CrossDC Consumer wants to print metrics on shutdown. It reuses the
{{MetricsHandler}} and {{PrometheusResponseWriter}} to avoid code duplication
but it passes a null {{{}SolrQueryRequest{}}}, which causes NPE:
{noformat}
2> 48330 ERROR (SUITE-ZkConfigIntegrationTest-seed#[EB2ADD0EA02E80]-worker)
[] o.a.s.c.m.c.Util Error while writing final metrics
2> java.lang.NullPointerException: Cannot invoke
"org.apache.solr.request.SolrQueryRequest.getParams()" because "request" is null
2> at
org.apache.solr.response.PrometheusResponseWriter.writeOpenMetricsFormat(PrometheusResponseWriter.java:88)
2> at
org.apache.solr.response.PrometheusResponseWriter.writeMetricSnapshots(PrometheusResponseWriter.java:75)
2> at
org.apache.solr.response.PrometheusResponseWriter.write(PrometheusResponseWriter.java:69)
2> at
org.apache.solr.crossdc.manager.consumer.Util.logMetrics(Util.java:52)
2> at
org.apache.solr.crossdc.manager.consumer.KafkaCrossDcConsumer.shutdown(KafkaCrossDcConsumer.java:695)
2> at
org.apache.solr.crossdc.manager.consumer.Consumer.shutdown(Consumer.java:165)
2> at
org.apache.solr.crossdc.manager.ZkConfigIntegrationTest.afterSolrAndKafkaIntegrationTest(ZkConfigIntegrationTest.java:166){noformat}
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