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https://issues.apache.org/jira/browse/SOLR-16152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17544862#comment-17544862
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Jan Høydahl commented on SOLR-16152:
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That command should ideally print a helpful error message in standalone mode,
instead of NPE..
> Solr Standalone: bin/solr package fails with NullPointerException
> -----------------------------------------------------------------
>
> Key: SOLR-16152
> URL: https://issues.apache.org/jira/browse/SOLR-16152
> Project: Solr
> Issue Type: Bug
> Components: Package Manager
> Affects Versions: 8.11.1
> Reporter: Sebastian
> Priority: Blocker
>
> Basic standalone installation as service on rocky linux
> Package Manager is not usable
> *bin/solr package list-available* fails with *NullPointerException: Cannot
> invoke "String.indexOf(int)" because "connectString" is null*
> {code:java}
> [root@search:/opt/solr]# /opt/solr/bin/solr package list-available
> neither jattach nor jstack in
> /usr/lib/jvm/java-17-openjdk-17.0.2.0.8-4.el8_5.x86_64/ could be found, so no
> thread dumps are possible. Continuing.
> org.apache.solr.common.SolrException: java.lang.NullPointerException: Cannot
> invoke "String.indexOf(int)" because "connectString" is null
> at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:182)
> at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:119)
> at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:114)
> at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:101)
> at
> org.apache.solr.packagemanager.PackageManager.<init>(PackageManager.java:85)
> at org.apache.solr.util.PackageTool.runImpl(PackageTool.java:85)
> at org.apache.solr.util.SolrCLI$ToolBase.runTool(SolrCLI.java:196)
> at org.apache.solr.util.SolrCLI.main(SolrCLI.java:310)
> Caused by: java.lang.NullPointerException: Cannot invoke
> "String.indexOf(int)" because "connectString" is null
> at
> org.apache.zookeeper.client.ConnectStringParser.<init>(ConnectStringParser.java:54)
> at
> org.apache.zookeeper.ZooKeeper.createDefaultHostProvider(ZooKeeper.java:1515)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:1108)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:818)
> at
> org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:44)
> at
> org.apache.solr.common.cloud.ZkClientConnectionStrategy.createSolrZooKeeper(ZkClientConnectionStrategy.java:109)
> at
> org.apache.solr.common.cloud.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:37)
> at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:160)
> ... 7 moreERROR: java.lang.NullPointerException: Cannot invoke
> "String.indexOf(int)" because "connectString" is null {code}
>
>
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