Attila Sasvari created KAFKA-7696:
-------------------------------------
Summary: kafka-delegation-tokens.sh using a config file that
contains security.protocol=SASL_PLAINTEXT throws OutOfMemoryError if it tries
to connect to an SSL-enabled secured broker
Key: KAFKA-7696
URL: https://issues.apache.org/jira/browse/KAFKA-7696
Project: Kafka
Issue Type: Bug
Components: tools
Affects Versions: 2.0.0, 1.1.0
Reporter: Attila Sasvari
When the command-config file of kafka-delegation-tokens contain
security.protocol=SASL_PLAINTEXT instead of SASL_SSL (i.e. due to a user
error), the process throws a java.lang.OutOfMemoryError upon connection attempt
to a secured (i.e. Kerberized, SSL-enabled) Kafka broker.
{code}
[2018-12-03 11:27:13,221] ERROR Uncaught exception in thread
'kafka-admin-client-thread | adminclient-1':
(org.apache.kafka.common.utils.KafkaThread)
java.lang.OutOfMemoryError: Java heap space
at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
at java.nio.ByteBuffer.allocate(ByteBuffer.java:335)
at
org.apache.kafka.common.memory.MemoryPool$1.tryAllocate(MemoryPool.java:30)
at
org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:112)
at
org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.receiveResponseOrToken(SaslClientAuthenticator.java:407)
at
org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.receiveKafkaResponse(SaslClientAuthenticator.java:497)
at
org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.authenticate(SaslClientAuthenticator.java:207)
at
org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:173)
at
org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:533)
at org.apache.kafka.common.network.Selector.poll(Selector.java:468)
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:535)
at
org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1125)
at java.lang.Thread.run(Thread.java:745)
{code}
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