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 tednaleid
, 1 year ago
Cannot install RxJava integration because another execution hook (class rx.plugins.RxJavaObservableExecutionHookDefault) is already installed
java.lang.IllegalStateException: Cannot install RxJava integration because another execution hook (class rx.plugins.RxJavaObservableExecutionHookDefault) is already installed	at ratpack.rx.RxRatpack.initialize(RxRatpack.java:102)	at ratpack.rx.RxRatpack$initialize.call(Unknown Source)	at undefined.ConsoleScript0.run(ConsoleScript0:7)