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

java.lang.IllegalStateException: GroupByKey cannot be applied to non-bounded PCollection in the GlobalWindow without a trigger. Use a Window.into or Window.triggering transform prior to GroupByKey.	at	at$AsIterable.validate(	at$AsIterable.validate(	at	at	at	at$Bound.createWrite(	at$Bound.apply(	at$Bound.apply(	at	at	at	at	at	at$Write$Bound.apply(	at$Write$Bound.apply(	at	at	at	at	at	at