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From "George Baxter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IVY-1452) NullPointerException when accessing charset to invalid URL
Date Fri, 25 Jul 2014 18:01:44 GMT

    [ https://issues.apache.org/jira/browse/IVY-1452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074680#comment-14074680
] 

George Baxter commented on IVY-1452:
------------------------------------

Confirmed.. still in 2.4.0-rc1

> NullPointerException when accessing charset to invalid URL
> ----------------------------------------------------------
>
>                 Key: IVY-1452
>                 URL: https://issues.apache.org/jira/browse/IVY-1452
>             Project: Ivy
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>         Environment: windows 7
>            Reporter: Frédéric RIVIERE
>            Priority: Blocker
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Trace is:
> java.lang.NullPointerException: charsetName
>   at java.io.InputStreamReader.<init>(Unknown Source)
>   at org.apache.ivy.util.url.ApacheURLLister.retrieveListing(ApacheURLLister.java:113)
>   at org.apache.ivy.util.url.ApacheURLLister.listAll(ApacheURLLister.java:57)
>   at org.apache.ivy.plugins.repository.url.URLRepository.list(URLRepository.java:100)
>   at org.apache.ivy.plugins.resolver.util.ResolverHelper.listAll(ResolverHelper.java:105)
>   at org.apache.ivy.plugins.resolver.util.ResolverHelper.listTokenValues(ResolverHelper.java:57)
>   at org.apache.ivy.plugins.resolver.util.ResolverHelper.findAll(ResolverHelper.java:139)
>   at org.apache.ivy.plugins.resolver.RepositoryResolver.listResources(RepositoryResolver.java:185)
>   at org.apache.ivy.plugins.resolver.RepositoryResolver.findDynamicResourceUsingPattern(RepositoryResolver.java:149)
>   at org.apache.ivy.plugins.resolver.RepositoryResolver.findResourceUsingPattern(RepositoryResolver.java:132)
>   at org.apache.ivy.plugins.resolver.AbstractPatternsBasedResolver.findResourceUsingPatterns(AbstractPatternsBasedResolver.java:96)
>   at org.apache.ivy.plugins.resolver.AbstractPatternsBasedResolver.findArtifactRef(AbstractPatternsBasedResolver.java:75)
>   at org.apache.ivy.plugins.resolver.BasicResolver.getArtifactRef(BasicResolver.java:1034)
>   at org.apache.ivy.plugins.resolver.BasicResolver.findFirstArtifactRef(BasicResolver.java:971)
>   at org.apache.ivy.plugins.resolver.BasicResolver.getDependency(BasicResolver.java:243)
>   at org.apache.ivy.plugins.resolver.ChainResolver.getDependency(ChainResolver.java:104)
>   at org.apache.ivy.plugins.resolver.ChainResolver.getDependency(ChainResolver.java:104)
>   at org.apache.ivy.core.resolve.IvyNode.loadData(IvyNode.java:169)
>   at org.apache.ivy.core.resolve.VisitNode.loadData(VisitNode.java:292)
>   at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:717)
>   at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:802)
>   at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:725)
>   at org.apache.ivy.core.resolve.ResolveEngine.getDependencies(ResolveEngine.java:597)
>   at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:234)
>   at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:195)
>   at org.apache.ivy.Ivy.resolve(Ivy.java:507)
>   at org.apache.ivy.ant.IvyResolve.doExecute(IvyResolve.java:337)
>   at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:273)
>   at org.apache.ivy.ant.IvyPostResolveTask.ensureResolved(IvyPostResolveTask.java:241)
>   at org.apache.ivy.ant.IvyPostResolveTask.prepareAndCheck(IvyPostResolveTask.java:188)
>   at org.apache.ivy.ant.IvyRetrieve.doExecute(IvyRetrieve.java:89)
>   at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:273)
>   at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
>   at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
>   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>   at java.lang.reflect.Method.invoke(Unknown Source)
>   at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
>   at org.apache.tools.ant.Task.perform(Task.java:348)
>   at org.apache.tools.ant.Target.execute(Target.java:392)
>   at org.apache.tools.ant.Target.performTasks(Target.java:413)
>   at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
>   at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
>   at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>   at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
>   at org.apache.tools.ant.Main.runBuild(Main.java:811)
>   at org.apache.tools.ant.Main.startAnt(Main.java:217)
>   at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
>   at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
> After investigations, a check is missing in in class org.apache.ivy.util.url.ApacheURLLister,
in method 
> List retrieveListing(URL,boolean,boolean) :
> [...]
> String charset = urlHandler.getURLInfo(url).getBodyCharset();
> [...]
> According to spec of urlHandler.getURLInfo(url), it may return URLHandler.UNAVAILABLE.
> I have replace the above line by the following and it works fine:
> [...]
> URLInfo urlInfo = urlHandler.getURLInfo(url);
> if(urlInfo == URLHandler.UNAVAILABLE)
>       	return urlList; // not found => return empty list
> // here, urlInfo is valid
> String charset = urlInfo.getBodyCharset();
> [...]
> This is blocking for us. Is there a chance to integrate it soon ?
> Otherwise, I will need to build my own patched jar.



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