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Posted to issues@jmeter.apache.org by bu...@apache.org on 2014/08/05 11:21:41 UTC
[Bug 56816] New: vars.get() return void
instead of null
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
Bug ID: 56816
Summary: vars.get(<non-existing-variable>) return void instead
of null
Product: JMeter
Version: 2.11
Hardware: PC
Status: NEW
Severity: major
Priority: P2
Component: Main
Assignee: issues@jmeter.apache.org
Reporter: hideemail1@gmail.com
vars.get() returns void in a java script if the variable is not existing
instead of null (as described in it's documentation
http://jmeter.apache.org/api/org/apache/jmeter/threads/JMeterVariables.html#get%28java.lang.String%29
)
This will lead to confusion and bugs if the user doesn't know this.
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[Bug 56816] vars.get() return void instead of
null
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
Sebb <se...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #1 from Sebb <se...@apache.org> ---
(In reply to Bernhard from comment #0)
> vars.get() returns void in a java script if the variable is not existing
> instead of null (as described in it's documentation
Are you sure?
I cannot find any references that says that javascript can return void.
> http://jmeter.apache.org/api/org/apache/jmeter/threads/JMeterVariables.
> html#get%28java.lang.String%29 )
That Javadoc is correct; Java returns null (and does not have a concept of void
as a return type)
> This will lead to confusion and bugs if the user doesn't know this.
Possibly, but it's not clear that there is a problem here.
Please provide sample code that exhibits the problem.
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[Bug 56816] vars.get() return void instead of
null
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
Sebb <se...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
--- Comment #3 from Sebb <se...@apache.org> ---
Thanks for the sample JMX.
The code is not Java either - it is BeanShell.
Java does not support void as a value, only as a return type qualifier.
Whereas BeanShell uses void to indicate a non-existent variable.
==
It's not yet clear why assigning null to the variable o should result in it
being void rather than null as expected.
It looks to be a side effect of using the JSR223 sampler rather than the
BeanShell sampler, as the same code works as expected in the BeanShell sampler,
and also works as expected in a Beanshell interpreter or console app.
It remains to be seen whether this is a feature or bug in the JSR223 BeanShell
support in JMeter or in BeanShell.
Meanwhile the workround is to use the BeanShell test elements to run BeanShell
code.
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[Bug 56816] vars.get() return void instead of
null
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
--- Comment #2 from Bernhard <hi...@gmail.com> ---
Created attachment 31880
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31880&action=edit
testplan with bug
Sorry for the confusion, I meant java, not javascript.
I'll add a test plan to make it clear what's wrong.
In the test plan there is a JSR223 with Java which tries to get a nonexistent
variable out of vars. Then there are 2 ifs which compare the nonexistent
variable with null and void and log and add "null" or "void" to the
ResponseMessage.
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[Bug 56816] vars.get() return void instead of
null
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
Bernhard <hi...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hideemail1@gmail.com
OS| |All
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[Bug 56816] Assigning null to a BeanShell variable in a JSR223
sampler does not work as expected
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=56816
Sebb <se...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|vars.get(<non-existing-vari |Assigning null to a
|able>) return void instead |BeanShell variable in a
|of null |JSR223 sampler does not
| |work as expected
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