[SOLR-15922] SolrExporterIntegrationTest fails on Java 17

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0
• Component/s: contrib - prometheus-exporter, Tests
• Assignee: Jan Høydahl
• Reporter: Mike Drob
• Created: 13/Jan/22 16:38
• Updated: 12/May/22 00:26
• Resolved: 20/Jan/22 15:56

Description

gradlew test --tests SolrExporterIntegrationTest.solrExporterDurationMetric -Dtests.seed=2604C3F34A214F5C

This passes for me on Java 11 but fails consistently with Java 17

   >     java.lang.AssertionError: Metric must have name and value: solr_metrics_jvm_buffers{pool="mapped - 'non-volatile memory'",base_url="http://127.0.0.1:57657/solr",} 0.0 expected:<2> but was:<5>
   >         at __randomizedtesting.SeedInfo.seed([2604C3F34A214F5C:9D01B8BFD4BC7AAF]:0)
   >         at org.junit.Assert.fail(Assert.java:89)
   >         at org.junit.Assert.failNotEquals(Assert.java:835)
   >         at org.junit.Assert.assertEquals(Assert.java:647)
   >         at org.apache.solr.prometheus.exporter.SolrExporterTestBase.getAllMetrics(SolrExporterTestBase.java:110)
   >         at org.apache.solr.prometheus.exporter.SolrExporterTestBase.startMetricsExporterWithConfiguration(SolrExporterTestBase.java:79)
   >         at org.apache.solr.prometheus.exporter.SolrExporterIntegrationTest.setUp(SolrExporterIntegrationTest.java:34) 

Looks like some of the formatting changed between internals?

Issue Links

• duplicates: SOLR-13786 prometheus: SolrExporterIntegrationTest various jenkins failures
• is caused by: SOLR-15572 Improve the default Prometheus exporter config performance
• links to: GitHub Pull Request #547