Exception in thread "Thread-11" java.lang.IllegalArgumentException: Found no candidates during initialization. Check if the seeds are up: [/127.0.0.1:7012, /127.0.0.3:7012] at org.apache.cassandra.tcm.Startup.initializeForDiscovery(Startup.java:219) at org.apache.cassandra.tcm.Startup.initialize(Startup.java:112) at org.apache.cassandra.distributed.impl.Instance.partialStartup(Instance.java:731) at org.apache.cassandra.distributed.impl.Instance.lambda$startup$7(Instance.java:633) at org.apache.cassandra.concurrent.FutureTask$2.call(FutureTask.java:124) at org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:61) at org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:71) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:840)