Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by mycFelix
, 1 year ago
java.lang.NullPointerException: 	at storm.kafka.KafkaSpout.open(KafkaSpout.java:80)	at backtype.storm.topology.IRichSpoutDelegate.open(IRichSpoutDelegate.java:43)	at com.twitter.heron.instance.spout.SpoutInstance.start(SpoutInstance.java:125)	at com.twitter.heron.instance.Slave.startInstance(Slave.java:173)	at com.twitter.heron.instance.Slave.handleNewAssignment(Slave.java:159)	at com.twitter.heron.instance.Slave.access$200(Slave.java:40)	at com.twitter.heron.instance.Slave$1.run(Slave.java:85)	at com.twitter.heron.common.basics.WakeableLooper.executeTasksOnWakeup(WakeableLooper.java:142)	at com.twitter.heron.common.basics.WakeableLooper.runOnce(WakeableLooper.java:74)	at com.twitter.heron.common.basics.WakeableLooper.loop(WakeableLooper.java:64)	at com.twitter.heron.instance.Slave.run(Slave.java:169)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)