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From "Will Sargent (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IVY-1284) Ivy XML files fail with "Content is not allowed in prolog" when using Polipo proxy cache
Date Sun, 10 Apr 2011 02:32:05 GMT
Ivy XML files fail with "Content is not allowed in prolog" when using Polipo proxy cache
----------------------------------------------------------------------------------------

                 Key: IVY-1284
                 URL: https://issues.apache.org/jira/browse/IVY-1284
             Project: Ivy
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.2.0
         Environment: MacOS 10.6.7, sbt 0.7.5, jdk1.6.0_24
            Reporter: Will Sargent
            Priority: Minor
             Fix For: 2.2.0


This is an interesting issue, and one that I'm not 100% is a result of the proxy cache, but:

1. Set up Polipo (http://www.pps.jussieu.fr/~jch/software/polipo/) out of the box using Macports
(sudo port install polipo)
2. Set up the System Preferences to use the HTTP proxy to go through Polipo.
3. Delete the ~/.ivy2 directory
4. Go to the SBT project you have set up, and type "sbt update" (or I'm assuming any Ivy related
network task)

Instead of getting the file you expect, you get the following:

Getting org.scala-tools.sbt sbt_2.7.7 0.7.4 ...
[Fatal Error] ivy-0.1.31.xml.original:2:1: Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed in prolog.
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:249)
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
	at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:153)
	at org.apache.ivy.util.XMLHelper.parseToDom(XMLHelper.java:196)
	at org.apache.ivy.plugins.parser.m2.PomReader.<init>(PomReader.java:95)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:118)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:108)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager$MyModuleDescriptorProvider.provideModule(DefaultRepositoryCacheManager.java:659)
	at org.apache.ivy.core.cache.ModuleDescriptorMemoryCache.getStale(ModuleDescriptorMemoryCache.java:68)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.getStaledMd(DefaultRepositoryCacheManager.java:676)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.cacheModuleDescriptor(DefaultRepositoryCacheManager.java:993)
	at org.apache.ivy.plugins.resolver.BasicResolver.parse(BasicResolver.java:546)
	at org.apache.ivy.plugins.resolver.BasicResolver.getDependency(BasicResolver.java:266)
	at org.apache.ivy.plugins.resolver.IBiblioResolver.getDependency(IBiblioResolver.java:503)
	at org.apache.ivy.plugins.resolver.ChainResolver.getDependency(ChainResolver.java:104)
	at org.apache.ivy.core.resolve.IvyNode.loadData(IvyNode.java:169)
	at org.apache.ivy.core.resolve.VisitNode.loadData(VisitNode.java:287)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:696)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.getDependencies(ResolveEngine.java:576)
	at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:237)
	at xsbt.boot.Update.resolve(Update.scala:159)
	at xsbt.boot.Update.update(Update.scala:116)
	at xsbt.boot.Update.update(Update.scala:110)
	at xsbt.boot.Update.xsbt$boot$Update$$lockedApply(Update.scala:73)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Update.apply(Update.scala:68)
	at xsbt.boot.Provider$initialize.call(Provider.scala:41)
	at xsbt.boot.Provider$initialize.call(Provider.scala:32)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Provider$class.$init$(Provider.scala:31)
	at xsbt.boot.Launch$ScalaProvider$AppProvider.<init>(Launch.scala:100)
	at xsbt.boot.Launch$ScalaProvider.app(Launch.scala:98)
	at xsbt.boot.Launch$.run(Launch.scala:49)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$.launch(Launch.scala:57)
	at xsbt.boot.Launch$.explicit(Launch.scala:42)
	at xsbt.boot.Launch$.initialized(Launch.scala:38)
	at xsbt.boot.Launch$.parsed(Launch.scala:31)
	at xsbt.boot.Launch$.configured(Launch.scala:21)
	at xsbt.boot.Launch$.apply(Launch.scala:16)
	at xsbt.boot.Launch$.apply(Launch.scala:13)
	at xsbt.boot.Boot$.runImpl(Boot.scala:24)
	at xsbt.boot.Boot$.run(Boot.scala:19)
	at xsbt.boot.Boot$.main(Boot.scala:15)
	at xsbt.boot.Boot.main(Boot.scala)
[Fatal Error] ivy-2.1.0.xml.original:2:1: Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed in prolog.
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:249)
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
	at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:153)
	at org.apache.ivy.util.XMLHelper.parseToDom(XMLHelper.java:196)
	at org.apache.ivy.plugins.parser.m2.PomReader.<init>(PomReader.java:95)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:118)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:108)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager$MyModuleDescriptorProvider.provideModule(DefaultRepositoryCacheManager.java:659)
	at org.apache.ivy.core.cache.ModuleDescriptorMemoryCache.getStale(ModuleDescriptorMemoryCache.java:68)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.getStaledMd(DefaultRepositoryCacheManager.java:676)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.cacheModuleDescriptor(DefaultRepositoryCacheManager.java:993)
	at org.apache.ivy.plugins.resolver.BasicResolver.parse(BasicResolver.java:546)
	at org.apache.ivy.plugins.resolver.BasicResolver.getDependency(BasicResolver.java:266)
	at org.apache.ivy.plugins.resolver.IBiblioResolver.getDependency(IBiblioResolver.java:503)
	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:287)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:696)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.getDependencies(ResolveEngine.java:576)
	at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:237)
	at xsbt.boot.Update.resolve(Update.scala:159)
	at xsbt.boot.Update.update(Update.scala:116)
	at xsbt.boot.Update.update(Update.scala:110)
	at xsbt.boot.Update.xsbt$boot$Update$$lockedApply(Update.scala:73)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Update.apply(Update.scala:68)
	at xsbt.boot.Provider$initialize.call(Provider.scala:41)
	at xsbt.boot.Provider$initialize.call(Provider.scala:32)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Provider$class.$init$(Provider.scala:31)
	at xsbt.boot.Launch$ScalaProvider$AppProvider.<init>(Launch.scala:100)
	at xsbt.boot.Launch$ScalaProvider.app(Launch.scala:98)
	at xsbt.boot.Launch$.run(Launch.scala:49)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$.launch(Launch.scala:57)
	at xsbt.boot.Launch$.explicit(Launch.scala:42)
	at xsbt.boot.Launch$.initialized(Launch.scala:38)
	at xsbt.boot.Launch$.parsed(Launch.scala:31)
	at xsbt.boot.Launch$.configured(Launch.scala:21)
	at xsbt.boot.Launch$.apply(Launch.scala:16)
	at xsbt.boot.Launch$.apply(Launch.scala:13)
	at xsbt.boot.Boot$.runImpl(Boot.scala:24)
	at xsbt.boot.Boot$.run(Boot.scala:19)
	at xsbt.boot.Boot$.main(Boot.scala:15)
	at xsbt.boot.Boot.main(Boot.scala)
[Fatal Error] ivy-0.9.94.xml.original:2:1: Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed in prolog.
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:249)
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
	at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:153)
	at org.apache.ivy.util.XMLHelper.parseToDom(XMLHelper.java:196)
	at org.apache.ivy.plugins.parser.m2.PomReader.<init>(PomReader.java:95)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:118)
	at org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser.parseDescriptor(PomModuleDescriptorParser.java:108)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager$MyModuleDescriptorProvider.provideModule(DefaultRepositoryCacheManager.java:659)
	at org.apache.ivy.core.cache.ModuleDescriptorMemoryCache.getStale(ModuleDescriptorMemoryCache.java:68)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.getStaledMd(DefaultRepositoryCacheManager.java:676)
	at org.apache.ivy.core.cache.DefaultRepositoryCacheManager.cacheModuleDescriptor(DefaultRepositoryCacheManager.java:993)
	at org.apache.ivy.plugins.resolver.BasicResolver.parse(BasicResolver.java:546)
	at org.apache.ivy.plugins.resolver.BasicResolver.getDependency(BasicResolver.java:266)
	at org.apache.ivy.plugins.resolver.IBiblioResolver.getDependency(IBiblioResolver.java:503)
	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:287)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:696)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.doFetchDependencies(ResolveEngine.java:781)
	at org.apache.ivy.core.resolve.ResolveEngine.fetchDependencies(ResolveEngine.java:704)
	at org.apache.ivy.core.resolve.ResolveEngine.getDependencies(ResolveEngine.java:576)
	at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:237)
	at xsbt.boot.Update.resolve(Update.scala:159)
	at xsbt.boot.Update.update(Update.scala:116)
	at xsbt.boot.Update.update(Update.scala:110)
	at xsbt.boot.Update.xsbt$boot$Update$$lockedApply(Update.scala:73)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Update$$anon$2.call(Update.scala:67)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Update.apply(Update.scala:68)
	at xsbt.boot.Provider$initialize.call(Provider.scala:41)
	at xsbt.boot.Provider$initialize.call(Provider.scala:32)
	at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:63)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:67)
	at xsbt.boot.Using$.withResource(Using.scala:11)
	at xsbt.boot.Using$.apply(Using.scala:10)
	at xsbt.boot.Locks$GlobalLock.withFileLock(Locks.scala:67)
	at xsbt.boot.Locks$GlobalLock.liftedTree1$1(Locks.scala:45)
	at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:45)
	at xsbt.boot.Locks$.apply(Locks.scala:31)
	at xsbt.boot.Provider$class.$init$(Provider.scala:31)
	at xsbt.boot.Launch$ScalaProvider$AppProvider.<init>(Launch.scala:100)
	at xsbt.boot.Launch$ScalaProvider.app(Launch.scala:98)
	at xsbt.boot.Launch$.run(Launch.scala:49)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:42)
	at xsbt.boot.Launch$.launch(Launch.scala:57)
	at xsbt.boot.Launch$.explicit(Launch.scala:42)
	at xsbt.boot.Launch$.initialized(Launch.scala:38)
	at xsbt.boot.Launch$.parsed(Launch.scala:31)
	at xsbt.boot.Launch$.configured(Launch.scala:21)
	at xsbt.boot.Launch$.apply(Launch.scala:16)
	at xsbt.boot.Launch$.apply(Launch.scala:13)
	at xsbt.boot.Boot$.runImpl(Boot.scala:24)
	at xsbt.boot.Boot$.run(Boot.scala:19)
	at xsbt.boot.Boot$.main(Boot.scala:15)
	at xsbt.boot.Boot.main(Boot.scala)

Inspecting the ivy.xml file in question showed binary gibberish.  Situation resolved itself
when I turned off the proxy through System Preferences, deleted the .ivy2 directory, and then
ran "sbt update" again.


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