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Bug 90044

Summary:	Project dependencies are built several times
Product:	javaee	Reporter:	Kirill Sorokin <ksorokin>
Component:	EAR	Assignee:	issues@javaee <issues>
Status:	NEW ---
Severity:	blocker	Keywords:	PERFORMANCE
Priority:	P2
Version:	6.x
Hardware:	All
OS:	Windows XP
Issue Type:	ENHANCEMENT	Exception Reporter:

Description Kirill Sorokin 2006-11-25 20:05:19 UTC

I have an enterprise application which consists of two web modules. Each of them
has a java class library project as its library. When I select Clean and Build
for the whole enteprise application, the java class library project gets built
twice.

The second time is definitely excessive.

--
I'm working with 

NetBeans IDE Dev (Build 200610231500)
1.6.0-rc; Java HotSpot(TM) Client VM 1.6.0-rc-b104
Windows XP version 5.1 running on x86
ru_RU (nb); Cp1251

Comment 1 Kirill Sorokin 2006-11-25 20:06:01 UTC

Well.. A performance issue obviously. ;)

Comment 2 Martin Adamek 2007-01-08 08:47:01 UTC

Reassigning to EAR project.

Comment 3 Kirill Sorokin 2007-01-08 13:04:36 UTC

After a second thought.. Not really a defect, but an enhancement request.

Comment 4 robdaemon 2007-10-19 18:31:05 UTC

I would argue that this is not an enhancement but a bug.  A bug that severely limits the use of NetBeans on a
large-scale project, at that.

I work on a large scale enterprise application with about 30 modules with varying dependencies on each other.  When I
build the product, all of the modules are built several times.  This build process takes over 25 minutes, when it should
take less than 5!

This should be a matter of setting an ant property after the build of a module is successful, and only calling build on
the dependent module if that property is not set.

This is not just a J2EE bug, but an Ant build bug.