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https://issues.apache.org/jira/browse/KAFKA-7496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Rajini Sivaram resolved KAFKA-7496.
-----------------------------------
Resolution: Fixed
Reviewer: Rajini Sivaram
Fix Version/s: 2.1.0
> KafkaAdminClient#describeAcls should handle invalid filters gracefully
> ----------------------------------------------------------------------
>
> Key: KAFKA-7496
> URL: https://issues.apache.org/jira/browse/KAFKA-7496
> Project: Kafka
> Issue Type: Bug
> Components: admin
> Reporter: Colin P. McCabe
> Assignee: Colin P. McCabe
> Priority: Minor
> Fix For: 2.1.0
>
>
> KafkaAdminClient#describeAcls should handle invalid filters gracefully.
> Specifically, it should return a future which yields an exception.
> The following code results in an uncaught IllegalArgumentException in the
> admin client thread, resulting in a zombie admin client.
> {code}
> AclBindingFilter aclFilter = new AclBindingFilter(
> new ResourcePatternFilter(ResourceType.UNKNOWN, null, PatternType.ANY),
> AccessControlEntryFilter.ANY
> );
> kafkaAdminClient.describeAcls(aclFilter).values().get();
> {code}
> See the resulting stacktrace below
> {code}
> ERROR [kafka-admin-client-thread | adminclient-3] Uncaught exception in
> thread 'kafka-admin-client-thread | adminclient-3':
> (org.apache.kafka.common.utils.KafkaThread)
> java.lang.IllegalArgumentException: Filter contain UNKNOWN elements
> at
> org.apache.kafka.common.requests.DescribeAclsRequest.validate(DescribeAclsRequest.java:140)
> at
> org.apache.kafka.common.requests.DescribeAclsRequest.<init>(DescribeAclsRequest.java:92)
> at
> org.apache.kafka.common.requests.DescribeAclsRequest$Builder.build(DescribeAclsRequest.java:77)
> at
> org.apache.kafka.common.requests.DescribeAclsRequest$Builder.build(DescribeAclsRequest.java:67)
> at org.apache.kafka.clients.NetworkClient.doSend(NetworkClient.java:450)
> at org.apache.kafka.clients.NetworkClient.send(NetworkClient.java:411)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.sendEligibleCalls(KafkaAdminClient.java:910)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1107)
> at java.base/java.lang.Thread.run(Thread.java:844)
> {code}
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