When upgrading an application from Flink 1.14.6 to Flink 1.16.0, I get the following exception:
ERROR org.apache.flink.runtime.metrics.ReporterSetup - Could not instantiate metrics reporter prom. Metrics might not be exposed/reported. java.lang.InstantiationException: org.apache.flink.metrics.prometheus.PrometheusReporter at java.lang.Class.newInstance(Unknown Source) ~[?:?] at org.apache.flink.runtime.metrics.ReporterSetup.loadViaReflection(ReporterSetup.java:467) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.metrics.ReporterSetup.loadReporter(ReporterSetup.java:409) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.metrics.ReporterSetup.setupReporters(ReporterSetup.java:328) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.metrics.ReporterSetup.fromConfiguration(ReporterSetup.java:209) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManagerRunnerServices(TaskManagerRunner.java:223) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.start(TaskManagerRunner.java:288) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManager(TaskManagerRunner.java:481) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.lambda$runTaskManagerProcessSecurely$5(TaskManagerRunner.java:525) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManagerProcessSecurely(TaskManagerRunner.java:525) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManagerProcessSecurely(TaskManagerRunner.java:505) ~[flink-runtime-1.16.0.jar:1.16.0] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.main(TaskManagerRunner.java:463) ~[flink-runtime-1.16.0.jar:1.16.0] Caused by: java.lang.NoSuchMethodException: org.apache.flink.metrics.prometheus.PrometheusReporter.<init>() at java.lang.Class.getConstructor0(Unknown Source) ~[?:?] ... 13 more Has the method mentioned been removed or changed in 1.16.0? If it matters, I'm running this on Kubernetes with the Spotify Flink Operator.
