Alex Deparvu created SOLR-16527:
-----------------------------------
Summary: RuleBasedAuthorizationPluginBase NPE
Key: SOLR-16527
URL: https://issues.apache.org/jira/browse/SOLR-16527
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: Authorization
Affects Versions: 9.0
Reporter: Alex Deparvu
I set up a SolrCloud with 2 nodes and enabled basic auth following the Solr
guide
([https://solr.apache.org/guide/solr/latest/deployment-guide/basic-authentication-plugin.html#enable-basic-authentication]).
{noformat}
ERROR (qtp1527086220-49) [] o.a.s.h.RequestHandlerBase
java.lang.NullPointerException => java.lang.NullPointerException
at
org.apache.solr.security.RuleBasedAuthorizationPluginBase.getPermissionNamesForRoles(RuleBasedAuthorizationPluginBase.java:123)
java.lang.NullPointerException: null
at
org.apache.solr.security.RuleBasedAuthorizationPluginBase.getPermissionNamesForRoles(RuleBasedAuthorizationPluginBase.java:123)
~[?:?]
at
org.apache.solr.handler.admin.SystemInfoHandler.getSecurityInfo(SystemInfoHandler.java:342)
~[?:?]
at
org.apache.solr.handler.admin.SystemInfoHandler.handleRequestBody(SystemInfoHandler.java:153)
~[?:?]
{noformat}
Logs seen on the Solr node originating the request:
{noformat}
2022-11-04 09:26:46.251 INFO (qtp1658512704-126) [] o.a.s.s.HttpSolrCall
[admin] webapp=null path=/admin/info/system
params={wt=javabin&version=2&_=1667579206203} status=0 QTime=1
2022-11-04 09:26:46.259 WARN (qtp1658512704-81) []
o.a.s.h.a.AdminHandlersProxy Exception when fetching result from node
localhost:6564_solr => java.util.concurrent.ExecutionException:
org.apache.solr.client.solrj.impl.BaseHttpSolrClient$RemoteSolrException: Error
from server at http://localhost:6564/solr: java.lang.NullPointerException
at
org.apache.solr.security.RuleBasedAuthorizationPluginBase.getPermissionNamesForRoles(RuleBasedAuthorizationPluginBase.java:126)
java.util.concurrent.ExecutionException:
org.apache.solr.client.solrj.impl.BaseHttpSolrClient$RemoteSolrException: Error
from server at http://localhost:6564/solr: java.lang.NullPointerException
{noformat}
I believe the reason is the 'roles' set is null on inter-node requests so this
method will throw a NPE
[https://github.com/apache/solr/blob/26195c82493422cb9d6d4bdf9d4452046e7b3f67/solr/core/src/java/org/apache/solr/security/RuleBasedAuthorizationPluginBase.java#L122]
It looks like this was introduced with following commit for SOLR-15776
[https://github.com/apache/solr/commit/a1406847ba256965e636e05b11e53c0ac696e2a9#diff-83579b1681fbe3ea47f7340796963b034594921405afb41c62d9415f52f5adcfR356]
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