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https://issues.apache.org/jira/browse/SOLR-12526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16596052#comment-16596052
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Jan Høydahl commented on SOLR-12526:
------------------------------------
I have not tested the custom plugin but see from the code that it wants to
handle inter node requests, so then it is responsible for doing so in all
cases. Michal, if you believe or later find out that there are issues in Solr
as well, feel free to re-open.
> Metrics History doesn't work with AuthenticationPlugin
> ------------------------------------------------------
>
> Key: SOLR-12526
> URL: https://issues.apache.org/jira/browse/SOLR-12526
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Authentication, metrics
> Affects Versions: 7.4
> Reporter: Michal Hlavac
> Priority: Critical
> Attachments: ProxyAuthPlugin.java
>
>
> Since solr 7.4.0 there is Metrics History which uses SOLRJ client to make
> http requests to SOLR. But it doesnt work with AuthenticationPlugin. Since
> its enabled by default, there are errors in log every time
> {{MetricsHistoryHandler}} tries to collect data.
> {code:java}
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error
> from server at http://172.20.0.5:8983/solr: Expected mime type
> application/octet-stream but got text/html. <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
> <title>Error 401 require authentication</title>
> </head>
> <body><h2>HTTP ERROR 401</h2>
> <p>Problem accessing /solr/admin/metrics. Reason:
> <pre> require authentication</pre></p>
> </body>
> </html>
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607)
> ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
> ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
> ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219)
> ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider$ClientSnitchCtx.invoke(SolrClientNodeStateProvider.java:292)
> ~[solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:1
> 4]
> 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$AutoScalingSnitch.getRemoteInfo(SolrClientNodeStateProvider.java:199)
> [solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18
> 16:55:14]
> at
> org.apache.solr.common.cloud.rule.ImplicitSnitch.getTags(ImplicitSnitch.java:76)
> [solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.getNodeValues(SolrClientNodeStateProvider.java:111)
> [solr-solrj-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:14]
> at
> org.apache.solr.handler.admin.MetricsHistoryHandler.collectGlobalMetrics(MetricsHistoryHandler.java:495)
> [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:13]
> at
> org.apache.solr.handler.admin.MetricsHistoryHandler.collectMetrics(MetricsHistoryHandler.java:368)
> [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
> jpountz - 2018-06-18 16:55:13]
> at
> org.apache.solr.handler.admin.MetricsHistoryHandler.lambda$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:514) [?:?]
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
> [?:?]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
> [?:?]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
> [?:?]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> [?:?]
> at java.lang.Thread.run(Thread.java:844) [?:?]
> {code}
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