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https://issues.apache.org/jira/browse/KUDU-3664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin updated KUDU-3664:
--------------------------------
Target Version/s: 1.18.0
> NPE in Kudu Java client when
> ----------------------------
>
> Key: KUDU-3664
> URL: https://issues.apache.org/jira/browse/KUDU-3664
> Project: Kudu
> Issue Type: Bug
> Components: java
> Affects Versions: 1.17.0, 1.17.1
> Reporter: Alexey Serbin
> Priority: Critical
>
> Kudu Java client library can throw a null pointer exception under certain
> conditions when trying to connect to a Kudu master:
> {noformat}
> at org.apache.kudu.client.TableLocationsCache.get(TableLocationsCache.java:66
>
> at
> org.apache.kudu.client.AsyncKuduClient.getTableLocationEntry(AsyncKuduClient.java:2585)
> at
> org.apache.kudu.client.AsyncKuduClient.sendRpcToTablet(AsyncKuduClient.java:1412)
> at
> org.apache.kudu.client.AsyncKuduClient.getTableSchema(AsyncKuduClient.java:881)
> at
> org.apache.kudu.client.AsyncKuduClient.openTable(AsyncKuduClient.java:1017)
> at org.apache.kudu.client.KuduClient.openTable(KuduClient.java:353)
> {noformat}
> This issue is specific to kudu-client in 1.17.0 and 1.17.1 releases (i.e.
> releases that are built from the source code with changelist
> [a50aa5bfd|https://github.com/apache/kudu/commit/a50aa5bfd]).
> The exact reproduction scenario isn't yet clear at the time of writing, but
> it might involve a failed preliminary attempt to connect to a Kudu master.
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