Hello I am trying to setup solrcloud monitoring using solr-exporter for prometheus. My solrcloud is configured with zookeeper. I am getting the error as below after using the command and I am looking forward to some suggestions to resolve this.
./bin/solr-exporter -p 9854 -z zkhost01:2181 -f ./conf/solr-exporter-config.xml -n 16 INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:java.library.path=/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:java.io.tmpdir=/tmp INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:java.compiler=<NA> INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.name=Linux INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.arch=amd64 INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.version=4.18.0-553.16.1.el8_10.x86_64 INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:user.name=myusername INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:user.home=/home/myusername INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:user.dir=/home/myusername INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.memory.free=477MB INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.memory.max=512MB INFO - 2024-09-30 10:19:51.166; org.apache.zookeeper.ZooKeeper; Client environment:os.memory.total=512MB INFO - 2024-09-30 10:19:51.167; org.apache.zookeeper.ZooKeeper; Initiating client connection, connectString=zkhost1:2181 sessionTimeout=45000 watcher=org.apache.solr.common.cloud.SolrZkClient$ProcessWatchWithExecutor@712ca57b<mailto:watcher=org.apache.solr.common.cloud.SolrZkClient$ProcessWatchWithExecutor@712ca57b> INFO - 2024-09-30 10:19:51.172; org.apache.zookeeper.common.X509Util; Setting -D jdk.tls.rejectClientInitiatedRenegotiation=true to disable client-initiated TLS renegotiation INFO - 2024-09-30 10:19:51.174; org.apache.zookeeper.ClientCnxnSocket; jute.maxbuffer value is 1048575 Bytes INFO - 2024-09-30 10:19:51.182; org.apache.zookeeper.ClientCnxn; zookeeper.request.timeout value is 0. feature enabled=false INFO - 2024-09-30 10:19:51.183; org.apache.solr.common.cloud.VMParamsZkCredentialsInjector; Using zkCredentials: digestAllUsername: zksolrRO, digestReadonlyUsername: null INFO - 2024-09-30 10:19:51.187; org.apache.solr.common.cloud.ConnectionManager; Waiting up to 15000ms for client to connect to ZooKeeper INFO - 2024-09-30 10:19:51.189; org.apache.zookeeper.ClientCnxn; Opening socket connection to server xxxxxxxxxxxxxxx/xxxxxxxxxxxxxxx:2181. INFO - 2024-09-30 10:19:51.189; org.apache.zookeeper.ClientCnxn; SASL config status: Will not attempt to authenticate using SASL (unknown error) INFO - 2024-09-30 10:19:51.193; org.apache.zookeeper.ClientCnxn; Socket connection established, initiating session, client: /xxxxxxxxxxxxxxx:39658, server: xxxxxxxxxxxxxxx/xxxxxxxxxxxxxxx:2181 INFO - 2024-09-30 10:19:51.197; org.apache.zookeeper.ClientCnxn; Session establishment complete on server xxxxxxxxxxxxxxx/xxxxxxxxxxxxxxx:2181, session id = 0x10032ac0e3d1292, negotiated timeout = 40000 INFO - 2024-09-30 10:19:51.200; org.apache.solr.common.cloud.ConnectionManager; zkClient has connected INFO - 2024-09-30 10:19:51.200; org.apache.solr.common.cloud.ConnectionManager; Client is connected to ZooKeeper WARN - 2024-09-30 10:19:51.200; org.apache.solr.common.cloud.SolrZkClient; Using default ZkACLProvider. DefaultZkACLProvider is not secure, it creates 'OPEN_ACL_UNSAFE' ACLs to Zookeeper nodes INFO - 2024-09-30 10:19:51.230; org.apache.solr.client.solrj.impl.ZkClientClusterStateProvider; Cluster at xxxxxxxxxxxxxxx:2181 ready INFO - 2024-09-30 10:19:51.245; org.apache.solr.prometheus.exporter.SolrExporter; Starting Solr Prometheus Exporting on port 9854 INFO - 2024-09-30 10:19:51.247; org.apache.solr.prometheus.collector.SchedulerMetricsCollector; Beginning metrics collection ERROR - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; failed to request: /admin/zookeeper/status => org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[] at org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:220) org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[] at org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:220) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:349) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1184) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:890) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1193) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:139) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.collections(SolrCloudScraper.java:129) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.collector.CollectionsCollector.collect(CollectionsCollector.java:35) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] ERROR - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; failed to request: /admin/collections => org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[] at org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:220) org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[] at org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:220) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:349) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1184) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:890) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1193) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:139) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.collections(SolrCloudScraper.java:129) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.collector.CollectionsCollector.collect(CollectionsCollector.java:35) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] WARN - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; Error occurred during metrics collection => org.apache.solr.common.SolrException: Collection not found: accgi at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) org.apache.solr.common.SolrException: Collection not found: accgi at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:143) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.lambda$pingAllCollections$3(SolrCloudScraper.java:100) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.lambda$sendRequestsInParallel$0(SolrScraper.java:103) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] WARN - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; Error occurred during metrics collection => org.apache.solr.common.SolrException: Collection not found: tms at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) org.apache.solr.common.SolrException: Collection not found: tms at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:143) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.lambda$pingAllCollections$3(SolrCloudScraper.java:100) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.lambda$sendRequestsInParallel$0(SolrScraper.java:103) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] WARN - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; Error occurred during metrics collection => org.apache.solr.common.SolrException: Collection not found: SybTS5 at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) org.apache.solr.common.SolrException: Collection not found: SybTS5 at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:143) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.lambda$pingAllCollections$3(SolrCloudScraper.java:100) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.lambda$sendRequestsInParallel$0(SolrScraper.java:103) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] WARN - 2024-09-30 10:19:51.255; org.apache.solr.prometheus.scraper.SolrScraper; Error occurred during metrics collection => org.apache.solr.common.SolrException: Collection not found: wiki at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) org.apache.solr.common.SolrException: Collection not found: wiki at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:856) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:818) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:143) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.lambda$pingAllCollections$3(SolrCloudScraper.java:100) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrScraper.lambda$sendRequestsInParallel$0(SolrScraper.java:103) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] ERROR - 2024-09-30 10:19:51.261; org.apache.solr.prometheus.collector.SchedulerMetricsCollector; Error occurred during metrics collection => java.lang.NullPointerException at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:149) java.lang.NullPointerException: null at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:149) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.collections(SolrCloudScraper.java:129) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.collector.CollectionsCollector.collect(CollectionsCollector.java:35) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] ERROR - 2024-09-30 10:19:51.261; org.apache.solr.prometheus.collector.SchedulerMetricsCollector; Error occurred during metrics collection => java.lang.NullPointerException at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:149) java.lang.NullPointerException: null at org.apache.solr.prometheus.scraper.SolrScraper.request(SolrScraper.java:149) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.scraper.SolrCloudScraper.collections(SolrCloudScraper.java:129) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at org.apache.solr.prometheus.collector.CollectionsCollector.collect(CollectionsCollector.java:35) ~[solr-prometheus-exporter-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289) ~[solr-solrj-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 - jsweeney - 2023-04-24 11:35:31] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?] at java.lang.Thread.run(Thread.java:829) [?:?] INFO - 2024-09-30 10:19:51.262; org.apache.solr.prometheus.collector.SchedulerMetricsCollector; Completed metrics collection INFO - 2024-09-30 10:19:51.266; org.apache.solr.prometheus.exporter.SolrExporter; Solr Prometheus Exporter is running. Collecting metrics for cluster 1bcfc839b5: Solr Cloud ZK: xxxxxxxxxxxxxxx:2181
