"this.authenticationStore" is null after 9.7.0 Update

[Patrik Peng]

Hi all


The following exception is logged repeatedly:

2024-09-18 09:36:31.238 ERROR (recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr 
dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts s:shard5 r:core_node62 
x:dovecot_fts_shard5_replica_n61 t:] o.a.s.c.RecoveryStrategy Error while trying to recover. 
core=dovecot_fts_shard5_replica_n61 => java.lang.NullPointerException: Cannot invoke 
"org.apache.solr.client.solrj.impl.AuthenticationStoreHolder.updateAuthenticationStore(org.eclipse.jetty.client.api.AuthenticationStore)"
 because "this.authenticationStore" is null
        at 
org.apache.solr.client.solrj.impl.Http2SolrClient.setAuthenticationStore(Http2SolrClient.java:318)
java.lang.NullPointerException: Cannot invoke 
"org.apache.solr.client.solrj.impl.AuthenticationStoreHolder.updateAuthenticationStore(org.eclipse.jetty.client.api.AuthenticationStore)"
 because "this.authenticationStore" is null
        at 
org.apache.solr.client.solrj.impl.Http2SolrClient.setAuthenticationStore(Http2SolrClient.java:318)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory.setup(PreemptiveBasicAuthClientBuilderFactory.java:97)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory.setup(PreemptiveBasicAuthClientBuilderFactory.java:85)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.client.solrj.impl.Http2SolrClient$Builder.httpClientBuilderSetup(Http2SolrClient.java:1093)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.client.solrj.impl.Http2SolrClient$Builder.build(Http2SolrClient.java:1062)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.cloud.RecoveryStrategy.sendPrepRecoveryCmd(RecoveryStrategy.java:907)
 ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:633)
 ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:333) 
~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 
2024-09-03 15:05:20]
        at 
org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:309) 
~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 
2024-09-03 15:05:20]
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
 ~[metrics-core-4.2.26.jar:4.2.26]
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
 ~[?:?]
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) 
~[?:?]
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$1(ExecutorUtil.java:449)
 ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum 
- 2024-09-03 15:05:20]
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
 ~[?:?]
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
 ~[?:?]
        at java.base/java.lang.Thread.run(Thread.java:840) [?:?]
2024-09-18 09:36:31.238 ERROR 
(recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr 
dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts 
s:shard5 r:core_node62 x:dovecot_fts_shard5_replica_n61 t:] 
o.a.s.c.RecoveryStrategy Recovery failed - trying again... (0)
2024-09-18 09:36:31.238 INFO  
(recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr 
dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts 
s:shard5 r:core_node62 x:dovecot_fts_shard5_replica_n61 t:] 
o.a.s.c.RecoveryStrategy Wait [4] seconds before trying to recover again 
(attempt=1)

Reverting back to 9.6.1 allows the replicas to recover again.




Regards,
Patrik

After updating one of our Solrcloud instances to 9.7.0, the according replicas are unable to recover after service startup. Is this an issue when running 9.7.0 alongside 9.6.1 instances or does anyone have a clue?

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