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From "Johannes Rudolph (JIRA)" <j...@apache.org>
Subject [jira] Created: (IVY-696) StackOverflowError when configuration extends itself
Date Tue, 08 Jan 2008 10:31:33 GMT
StackOverflowError when configuration extends itself
----------------------------------------------------

                 Key: IVY-696
                 URL: https://issues.apache.org/jira/browse/IVY-696
             Project: Ivy
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0.0-beta-1
            Reporter: Johannes Rudolph
            Priority: Minor


I filed this as a bug though it is a clear usage error. But since this might happen more often
I think it should be handled more gracefully and informatively:

If a configuration is specified to extend itself like in here:
{quote}
 <configurations>
                <conf name="compile" visibility="public" extends="compile"/>
                <conf name="runtime"/>
 </configurations>
{quote}

Ivy doesn't complain but fails with a StackOverflowError:

{quote}
--- Nested Exception ---
java.lang.StackOverflowError
        at java.util.HashMap.getEntry(HashMap.java:344)
        at java.util.LinkedHashMap.get(LinkedHashMap.java:280)
        at org.apache.ivy.core.module.descriptor.DefaultModuleDescriptor.getConfiguration(DefaultModuleDescriptor.java:368)
        at org.apache.ivy.core.resolve.IvyNode.addRootModuleConfigurations(IvyNode.java:596)
        at org.apache.ivy.core.resolve.IvyNode.addRootModuleConfigurations(IvyNode.java:599)
        at org.apache.ivy.core.resolve.IvyNode.addRootModuleConfigurations(IvyNode.java:599)
        at org.apache.ivy.core.resolve.IvyNode.addRootModuleConfigurations(IvyNode.java:599)
{quote}

This might as well be valid for arbitrary configuration inheritance cycles, but I didn't tested
this.

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