Github user zentol commented on the issue:
https://github.com/apache/flink/pull/5290
The cassandra tests are failing:
```
Running
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase
Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.721 sec
<<< FAILURE! - in
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase
Time elapsed: 0.721 sec <<< ERROR!
java.lang.NoClassDefFoundError: ch/qos/logback/classic/Logger
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at
org.apache.cassandra.cql3.functions.ThreadAwareSecurityManager.install(ThreadAwareSecurityManager.java:92)
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:192)
at
org.apache.cassandra.service.CassandraDaemon.init(CassandraDaemon.java:503)
at
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase$EmbeddedCassandraService.start(CassandraConnectorITCase.java:136)
at
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase.startCassandra(CassandraConnectorITCase.java:176)
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase
Time elapsed: 0.721 sec <<< ERROR!
java.lang.ExceptionInInitializerError: null
at
org.apache.cassandra.config.DatabaseDescriptor.getConcurrentCounterWriters(DatabaseDescriptor.java:1512)
at
org.apache.cassandra.db.CounterMutation.<clinit>(CounterMutation.java:52)
at
org.apache.cassandra.net.MessagingService$2.<init>(MessagingService.java:339)
at
org.apache.cassandra.net.MessagingService.<init>(MessagingService.java:321)
at
org.apache.cassandra.net.MessagingService.<init>(MessagingService.java:87)
at
org.apache.cassandra.net.MessagingService$MSHandle.<clinit>(MessagingService.java:476)
at
org.apache.cassandra.net.MessagingService.instance(MessagingService.java:481)
at
org.apache.cassandra.service.StorageService.<init>(StorageService.java:267)
at
org.apache.cassandra.service.StorageService.<clinit>(StorageService.java:153)
at
org.apache.cassandra.service.CassandraDaemon.stop(CassandraDaemon.java:544)
at
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase$EmbeddedCassandraService.stop(CassandraConnectorITCase.java:141)
at
org.apache.flink.streaming.connectors.cassandra.CassandraConnectorITCase.closeCassandra(CassandraConnectorITCase.java:220)
```
---
