File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Performance and the fly likes VisualVM/jHat OQL toString() Error Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Java » Performance
Bookmark "VisualVM/jHat OQL toString() Error" Watch "VisualVM/jHat OQL toString() Error" New topic

VisualVM/jHat OQL toString() Error

Alec Lee
Ranch Hand

Joined: Jan 28, 2004
Posts: 569
I just followed the documentation and used the following OQL (taken directly from the example) in VisualVM/JHat but it gives me an exception:

Is there any way to get rid of the null objects first in my search before calling its toString()?
steve souza
Ranch Hand

Joined: Jun 26, 2002
Posts: 862
can you put a check for null first.

where /java/(s!=null && s.value.toString()) - a fast, free open source performance tuning api.
JavaRanch Performance FAQ
Alec Lee
Ranch Hand

Joined: Jan 28, 2004
Posts: 569
What is the meaning of the expression after /..../? From my knowledge of client side javascript, an regular expression literal is those things between the pair of /. What are all those things inside the bracket after the regular expression literal? Is it some ecmascript syntax not used with javascript in the browser?
I agree. Here's the link:
subject: VisualVM/jHat OQL toString() Error
jQuery in Action, 3rd edition