当我在带有 PLAIN_TEXT 端口 9092 的 Kafka 代理中使用下面的“/usr/bin/kafka-delete-records”命令时,该命令工作正常,但是当我使用 SASL_SSL 端口 9094 时,该命令会抛出以下错误。有人知道使用 Kafka 代理端口 9094 和 SASL_SSL 的解决方案吗?
$ssh **** ****@<IP address> /usr/bin/kafka-delete-records --bootstrap-server localhost:9094 --offset-json-file /kafka/records.json`
[2019-10-14 04:15:49,891] 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$1.tryAllocate(MemoryPool.java:30)
at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:112)
at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:390)
at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:351)
at org.apache.kafka.common.network.Selector.attemptRead(Selector.java:609)
at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:541)
at org.apache.kafka.common.network.Selector.poll(Selector.java:467)
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:535)
at org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1125)
at java.lang.Thread.run(Thread.java:748)
Executing records delete operation
Records delete operation completed:
注意:-Xmx 给出的是 8GB,服务器的总内存也是 16GB
请检查下面当前的堆值:
$ ps -ef | grep kafka
cp-kafka 11419 1 3 10:07 ? 00:05:27 java -Xms8g -Xmx8g -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 ........ io.confluent.support.metrics.SupportedKafka /etc/kafka/server.properties
最有可能的是,OOM 异常只是转移注意力,请参阅 JIRA KAFKA-4493。真正的问题是 SASL-SSL 连接,您的客户端无法正确建立该连接。在客户端启用 SSL 调试并从那里继续:
$ export KAFKA_OPTS="-Djavax.net.debug=handshake"
$ /usr/bin/kafka-delete-records ...
OOM java 堆空间执行可能是由于多种原因造成的。就我而言(AWS MSK kafka - IAM auth protected),发生这种情况是由于运行 kafka-console- Producer.sh 脚本时缺少 client.properties 文件。 --command-config //client.properties。请参阅此处 youtube.com/watch?v=r12HYxWAJLo&t=477s