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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)