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https://issues.apache.org/jira/browse/SOLR-16805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17726466#comment-17726466
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Senthil Kumar edited comment on SOLR-16805 at 5/26/23 10:50 AM:
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As per Solr 9+ version we allow only "solr.KerberosPlugin". So we can start
working on validating kerberos plugin class name(as an initial step) and then
write WARN traces if it is not matching.
If you are okay I can work on the above idea
was (Author: senthh):
As per Solr 9+ version we allow only "solr.KerberosPligin". So we can start
working on validating kerberos plugin class name(as an initial step) and then
write WARN traces if it is not matching.
If you are okay I can work on the above idea
> 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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