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From: "Paul L. Merchant Jr." <Paul.L.Merchant.Jr@dartmouth.edu>
To: "webobjects-dev@wocommunity.org" <webobjects-dev@wocommunity.org>
Subject: Problem Integrating Wonder....
Thread-Topic: Problem Integrating Wonder....
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Date: Tue, 19 Jul 2022 17:57:29 +0000
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Hi everyone, I maintain a collection of WebObjects frameworks and applicati=
ons that have been happily running for well over a decade without the benef=
it of Project Wonder, but it seems my luck ran out recently after a seeming=
ly minor update.  I started encountering stack overflow errors apparently d=
uring connection cleanup:

2022-06-08 15:07:10,234 [WorkerThread5] ERROR (LoggingOutputStream.java [fl=
ush]:205) - Caused by: java.lang.StackOverflowError

2022-06-08 15:07:10,234 [WorkerThread5] ERROR (LoggingOutputStream.java [fl=
ush]:205) -  at com.webobjects.foundation._NSWeakMutableCollection.processQ=
ueue(_NSWeakMutableCollection.java:176)

2022-06-08 15:07:10,234 [WorkerThread5] ERROR (LoggingOutputStream.java [fl=
ush]:205) -  at com.webobjects.foundation._NSWeakMutableArray.__removeRefer=
ence(_NSWeakMutableArray.java:124)

[....]

From the mailing list archives I see that this is a long known issue and th=
at Wonder has a fix for this problem, so I thought I'd try to integrate Won=
der into my applications.  This turned up a number of issues, such as Wonde=
r using log4j 1.x whereas my application had already incorporated log4j2.  =
It wasn't a major effort to upgrade Wonder to log4j2, but I ran into a show=
 stopper when it came to some of the code in the ERFoundation.jar in the ER=
Jars framework.  It seems this installs a custom(?) NSBundleFactory and NSB=
undle related classes that absolutely do not work with my WOLips/Eclipse pr=
oject.  The way those classes deduce the root of the application bundle (tr=
aversing the directory tree upward from the Jar file until a directory cont=
aining a build.xml file is found) when running under the Eclipse debugger c=
ompletely breaks resource lookups, unless possibly the source directory is =
very carefully organized in the same manner as assembled application.  This=
 is significantly different than the behavior of the stock NSBundle clases,=
 and I'm not sure it's correct or intentional given that I don't know the p=
rovenance of the ERFoundation.jar library.  At any rate, I'm not willing to=
 give up my source organization to satisfy this behavior unless it's the on=
ly solution, nor do I know that's all the challenges I face if I did.

So I wondering if anyone else knows of a solution to this stack overflow pr=
oblem that doesn't involve wholesale incorporation of Wonder, or if there's=
 some work around to the ERFoundation resource lookup issue? =20

I appreciate any advice you can give me!=