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 Google Groups by William Speirs, 1 year ago
This exception has no message.
java.lang.NullPointerException at org.testfx.util.NodeQueryUtils.fromWindow( at$3$1.accept( at java.util.Spliterators$ArraySpliterator.forEachRemaining( at at at$ReduceOp.evaluateSequential( at at at org.testfx.util.NodeQueryUtils.rootOfWindow( at org.testfx.util.NodeQueryUtils.rootsOfWindows( at org.testfx.service.finder.impl.NodeFinderImpl.rootsOfWindows( at org.testfx.service.finder.impl.NodeFinderImpl.fromAll( at org.testfx.service.finder.impl.NodeFinderImpl.lookup( at org.testfx.api.FxRobot.lookup( at org.testfx.api.FxRobot.pointOfVisibleNode( at org.testfx.api.FxRobot.clickOn( at org.testfx.api.FxRobot.rightClickOn(