Hello Solr community, My solrcloud system consists of 3 machines, each running a zookeeper and a solr server. It manages about 200 collections with 1 shard each. It is up and running, but about every minutes it produces messages in the message log on each computer (messages are at the end). These messages do not relate to any requests. It looks like they are produced by some internal mechanism. Using a suggestion found on the Internet I have already increased the requestHeaderSize and the responseHeaderSize to 81920, but this did not help. Do anyone know what do these messages mean and how to get reed of them? Thank you. Lev Tannen
Message on Computer1: 2018-12-21 19:44:46.552 WARN (qtp817348612-21) [ ] o.e.j.h.HttpParser URI is too large >81920 2018-12-21 19:44:46.560 INFO (qtp817348612-16) [ ] o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/metrics params={wt=javabin&version=2&key=solr.jvm:os.processCpuLoad&key=solr.node:CONTAINER.fs.coreRoot.usableSpace&key=solr.jvm:os.systemLoadAverage&key=solr.jvm:memory.heap.used} status=0 QTime=1 Message on computer 2 2018-12-21 19:44:46.530 WARN (qtp817348612-14) [ ] o.e.j.h.HttpParser URI is too large >81920 2018-12-21 19:44:46.537 INFO (qtp817348612-14) [ ] o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/metrics params={wt=javabin&version=2&key=solr.jvm:os.processCpuLoad&key=solr.node:CONTAINER.fs.coreRoot.usableSpace&key=solr.jvm:os.systemLoadAverage&key=solr.jvm:memory.heap.used} status=0 QTime=2 Message on computer3 (a leader) 2018-12-21 19:44:46.513 WARN (qtp817348612-14) [ ] o.e.j.h.HttpParser URI is too large >81920 2018-12-21 19:44:46.514 WARN (MetricsHistoryHandler-12-thread-1) [ ] o.a.s.c.s.i.SolrClientNodeStateProvider could not get tags from node usahubslvcvw121.usa.doj.gov:8983_solr org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://usahubslvcvw121.usa.doj.gov:8983/solr: Expected mime type application/octet-stream but got text/html. <h1>Bad Message 414</h1><pre>reason: URI Too Long</pre> at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider$ClientSnitchCtx.invoke(SolrClientNodeStateProvider.java:292) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.fetchMetrics(SolrClientNodeStateProvider.java:150) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.getReplicaInfo(SolrClientNodeStateProvider.java:131) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectGlobalMetrics(MetricsHistoryHandler.java:478) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectMetrics(MetricsHistoryHandler.java:368) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.lambda$new$0(MetricsHistoryHandler.java:230) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_181] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181] 2018-12-21 19:44:46.518 INFO (qtp817348612-178) [ ] o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/metrics params={wt=javabin&version=2&key=solr.jvm:os.processCpuLoad&key=solr.node:CONTAINER.fs.coreRoot.usableSpace&key=solr.jvm:os.systemLoadAverage&key=solr.jvm:memory.heap.used} status=0 QTime=1 2018-12-21 19:44:46.530 WARN (MetricsHistoryHandler-12-thread-1) [ ] o.a.s.c.s.i.SolrClientNodeStateProvider could not get tags from node usahubslvcvw122.usa.doj.gov:8983_solr org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://usahubslvcvw122.usa.doj.gov:8983/solr: Expected mime type application/octet-stream but got text/html. <h1>Bad Message 414</h1><pre>reason: URI Too Long</pre> at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider$ClientSnitchCtx.invoke(SolrClientNodeStateProvider.java:292) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.fetchMetrics(SolrClientNodeStateProvider.java:150) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.getReplicaInfo(SolrClientNodeStateProvider.java:131) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectGlobalMetrics(MetricsHistoryHandler.java:478) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectMetrics(MetricsHistoryHandler.java:368) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.lambda$new$0(MetricsHistoryHandler.java:230) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_181] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181] 2018-12-21 19:44:46.553 WARN (MetricsHistoryHandler-12-thread-1) [ ] o.a.s.c.s.i.SolrClientNodeStateProvider could not get tags from node usahubslvcvw123.usa.doj.gov:8983_solr org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://usahubslvcvw123.usa.doj.gov:8983/solr: Expected mime type application/octet-stream but got text/html. <h1>Bad Message 414</h1><pre>reason: URI Too Long</pre> at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider$ClientSnitchCtx.invoke(SolrClientNodeStateProvider.java:292) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.fetchMetrics(SolrClientNodeStateProvider.java:150) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.getReplicaInfo(SolrClientNodeStateProvider.java:131) ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:14] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectGlobalMetrics(MetricsHistoryHandler.java:478) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.collectMetrics(MetricsHistoryHandler.java:368) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.handler.admin.MetricsHistoryHandler.lambda$new$0(MetricsHistoryHandler.java:230) ~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_181] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_181] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]