Ivan Morozov created KAFKA-5399:
-----------------------------------
Summary: Crash Kafka & Zookeper with an basic Nmap Scan
Key: KAFKA-5399
URL: https://issues.apache.org/jira/browse/KAFKA-5399
Project: Kafka
Issue Type: Bug
Affects Versions: 0.10.2.1
Environment: OS-X
Reporter: Ivan Morozov
Kafka running locally on OS-X can be crashed by an nmap scan. The cluster can
not be recovered and have to be restarted.
Reproduce:
1.Start
```
zookeeper-server-start /usr/local/etc/kafka/zookeeper.properties &
kafka-server-start /usr/local/etc/kafka/server.properties
```
2. Run scan
```
nmap localhost
```
Exceptions from Zookeeper:
```
[2017-06-07 17:14:35,913] INFO Accepted socket connection from /0.0.0.80:0
(org.apache.zookeeper.server.NIOServerCnxnFactory)
[2017-06-07 17:14:35,914] WARN Ignoring exception
(org.apache.zookeeper.server.NIOServerCnxnFactory)
java.net.SocketException: Invalid argument
at sun.nio.ch.Net.setIntOption0(Native Method)
at sun.nio.ch.Net.setSocketOption(Net.java:334)
at sun.nio.ch.SocketChannelImpl.setOption(SocketChannelImpl.java:190)
at sun.nio.ch.SocketAdaptor.setBooleanOption(SocketAdaptor.java:271)
at sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:306)
at
org.apache.zookeeper.server.NIOServerCnxn.<init>(NIOServerCnxn.java:105)
at
org.apache.zookeeper.server.NIOServerCnxnFactory.createConnection(NIOServerCnxnFactory.java:156)
at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:197)
at java.lang.Thread.run(Thread.java:748)
[2017-06-07 17:14:35,916] WARN Ignoring unexpected runtime exception
(org.apache.zookeeper.server.NIOServerCnxnFactory)
java.lang.NullPointerException
at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:185)
at java.lang.Thread.run(Thread.java:748)
```
Exceptions from Kafka:
```
[2017-06-07 17:14:17,072] ERROR Error while accepting connection
(kafka.network.Acceptor)
java.net.SocketException: Invalid argument
at sun.nio.ch.Net.setIntOption0(Native Method)
at sun.nio.ch.Net.setSocketOption(Net.java:334)
at
sun.nio.ch.SocketChannelImpl.setOption(SocketChannelImpl.java:190)
at
sun.nio.ch.SocketAdaptor.setBooleanOption(SocketAdaptor.java:271)
at
sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:306)
at kafka.network.Acceptor.accept(SocketServer.scala:344)
at kafka.network.Acceptor.run(SocketServer.scala:283)
at java.lang.Thread.run(Thread.java:748)
```
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