Question

I wanted to start Hub and node using selenium-server standalone jar. Command used are right. I m able to start hub and rc nodes on 3 machines. Whereas in 4th machine, i used the same jar with the same commands.Its throwing, I’m getting following error

org.openqa.grid.selenium.GridLauncher main
INFO: Launching a selenium grid node
Exception in thread "main" java.lang.NoSuchMethodError: java.lang.String.isEmpty()Z
at org.openqa.grid.common.RegistrationRequest.getRemoteControlConfiguration(RegistrationRequest.java:552)
at org.openqa.grid.internal.utils.SelfRegisteringRemote.startRemoteServer(SelfRegisteringRemote.java:85)
at org.openqa.grid.selenium.GridLauncher.main(GridLauncher.java:72) 

Thanks in advance..

Answer 1

The isEmpty() method was introduced in java 6. If you are using a version of java that is older, then perhaps thats where the error is coming from.