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https://issues.apache.org/jira/browse/SOLR-16805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Pugh resolved SOLR-16805.
------------------------------
Resolution: Won't Fix
Hadoop Auth was removed in Solr 10.
> org.apache.solr.common.SolrException: Error loading class
> 'solr.KerberosPlugin'
> --------------------------------------------------------------------------------
>
> Key: SOLR-16805
> URL: https://issues.apache.org/jira/browse/SOLR-16805
> Project: Solr
> Issue Type: Bug
> Components: Authentication
> Affects Versions: 9.2.1
> Environment: OS: Debian 11
> Solr Version : 9.2.1
> Java Version: 11
> Reporter: Senthil Kumar
> Assignee: Houston Putman
> Priority: Major
> Labels: kerberos, solrcloud
>
> I am facing the same "Error loading class 'solr.KerberosPlugin'" even in Solr
> 9.2.1
>
> I have copied hadoop-auth classes to WEB_INF/lib and also tried setting
> SOLR_MODULES=hadoop-auth,hdfs too. But still I am seeing this issue both in
> 9.2.0 and 9.2.1
>
> It will be helpful if you add more insight to resolve this issue
>
> Below is the Error stack trace:
> {{
> 2023-05-17 11:02:38.998 INFO (zkCallback-13-thread-1) []
> o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
> 2023-05-17 11:02:39.037 INFO (main) [] o.a.s.c.CoreContainer Initializing
> authentication plugin: org.apache.solr.security.KerberosPlugin
> 2023-05-17 11:02:39.044 ERROR (main) [] o.a.s.s.CoreContainerProvider Could
> not start Solr. Check solr/home property and the logs
> 2023-05-17 11:02:39.064 ERROR (main) [] o.a.s.c.SolrCore null =>
> *org.apache.solr.common.SolrException: Error loading class
> 'org.apache.solr.security.KerberosPlugin'*
> at
> org.apache.solr.core.{*}SolrResourceLoader.findClass(SolrResourceLoader.java:550){*}
> org.apache.solr.common.SolrException: *Error loading class
> 'org.apache.solr.security.KerberosPlugin'*
> at
> org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:550)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:612)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.core.{*}CoreContainer.initializeAuthenticationPlugin(CoreContainer.java:558){*}
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.core.CoreContainer.reloadSecurityProperties(CoreContainer.java:1159)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.core.{*}CoreContainer.load(CoreContainer.java:823){*}
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.servlet.CoreContainerProvider.createCoreContainer(CoreContainerProvider.java:412)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.servlet.CoreContainerProvider.init(CoreContainerProvider.java:230)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.apache.solr.servlet.CoreContainerProvider.contextInitialized(CoreContainerProvider.java:114)
> ~[solr-core-9.2.1.jar:9.2.1 a4c64ab6a2a270ca69c28c706dabb2927ed8a7c2 -
> jsweeney - 2023-04-24 11:35:31]
> at
> org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:1048)
> ~[jetty-server-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:624)
> ~[jetty-servlet-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.server.handler.ContextHandler.contextInitialized(ContextHandler.java:983)
> ~[jetty-server-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:740)
> ~[jetty-servlet-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:392)
> ~[jetty-servlet-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1304)
> ~[jetty-webapp-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:900)
> ~[jetty-server-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:306)
> ~[jetty-servlet-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:532)
> ~[jetty-webapp-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:93)
> ~[jetty-util-10.0.13.jar:10.0.13]
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:171)
> ~[jetty-util-10.0.13.jar:10.0.13]
> }}
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