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https://issues.apache.org/jira/browse/SOLR-15145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281412#comment-17281412
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Anshum Gupta commented on SOLR-15145:
-------------------------------------
A system property seems like the obvious way forward here, specially
considering there's not much we can do around the back-compat issue.
I really prefer the idea of defaulting to storing the {{base_url}} as the
intention here is to maintain back-compat. Anything else would break
back-compat and would require users to change their code/deployments.
We'll also need a release in the near future to take care of this as it blocks
rolling restarts.
I can take care of the release if you want.
> Older versions of SolrJ (pre-8.8.0) hit an NPE when computing the base_url
> for core node props
> ----------------------------------------------------------------------------------------------
>
> Key: SOLR-15145
> URL: https://issues.apache.org/jira/browse/SOLR-15145
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrJ
> Affects Versions: 8.8
> Reporter: Timothy Potter
> Assignee: Timothy Potter
> Priority: Critical
> Fix For: 8.8.1
>
>
> From the mailing list:
> {code}
> Caused by: java.lang.NullPointerException
> at
> deployment.uleaf.ear//org.apache.solr.common.cloud.ZkCoreNodeProps.getCoreUrl(ZkCoreNodeProps.java:53)
> at
> deployment.uleaf.ear//org.apache.solr.client.solrj.impl.BaseCloudSolrClient.lambda$sendRequest$2(BaseCloudSolrClient.java:1161)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
> at
> deployment.uleaf.ear//org.apache.solr.client.solrj.impl.BaseCloudSolrClient.sendRequest(BaseCloudSolrClient.java:1159)
> at
> deployment.uleaf.ear//org.apache.solr.client.solrj.impl.BaseCloudSolrClient.requestWithRetryOnStaleState(BaseCloudSolrClient.java:934)
> ... 166 more
> {code}
> see:
> https://lists.apache.org/thread.html/r3d131030f0a7026235451f71fabdae6d6b7c2f955822c75dcad4d41f%40%3Csolr-user.lucene.apache.org%3E
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