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Re: [p2-dev] Tycho 0.16 + Jenkins + NTLM2 proxy

thanks Scott I think this will help to dig a little deeper.

>I don't know how tycho handles the download...so I can't say exactly 
>what's happening here.

We delegate this to p2/ECF so it should work as if you would install/update with your IDE.
All we do is configure the HTTP proxy via org.eclipse.core.net (and register the default java.net.Authenticator, same as org.eclipse.core.net.ui does IIRC).

two follow-up questions:

1. is there any log/trace so we can check the fallback to the JRE proxy provider is actually happening in this case?
2. if the JRE proxy fallback happens, any chance different JDKs (OS/version) may have differing/no support for NTLM proxy authentication?

@Vincent another thing you can check to help us pin down the issue:
using the same HTTP proxy configurations in your IDE (in Window>Prefs), can you successfully update/install any bundles e.g. from eclipse.org ?
just to make sure I got this right: you say the build works fine on one machine but doesn't on another?
what's the difference between those 2 machines (OS, JDK) ?

If the httpclient v4 support is available but not consumed yet, ultimately we may decide to bundle httpclient v4 with tycho if that solves the issue.

Regards,
Jan


-----Original Message-----
From: p2-dev-bounces@xxxxxxxxxxx [mailto:p2-dev-bounces@xxxxxxxxxxx] On Behalf Of Scott Lewis
Sent: Montag, 18. Februar 2013 23:50
To: p2-dev@xxxxxxxxxxx
Subject: Re: [p2-dev] Tycho 0.16 + Jenkins + NTLM2 proxy

FYI,

On 2/18/2013 12:56 PM, Sievers, Jan wrote:
>   - cross-posting to p2-dev -
>
> tycho takes the maven HTTP proxy configuration from settings.xml and configures p2 accordingly (via proxyservice API in org.eclipse.core.net)
> if resolution and download of maven plugins works but p2 resolution does not, this is a hint that either
>
> a) tycho fails to transfer the proxy info to p2 or
> b) p2 / org.eclipse.core.net does not support NTLM proxy authentication
>
> since nobody reported a) yet I doubt this and suspect b)

I don't know how tycho handles the download...so I can't say exactly 
what's happening here.

WRT b...p2 (via ECF filetransfer) does indeed support NTLMv2. There's a 
long history to this...see [1]...but the upshot is that ECF filetransfer 
has a workaround to not use the apache httpclient 3.1 provider, in the 
event of NTLMv2 (since apache httpclient < 4.0 did not support NTLMv2, 
and that's what ECF used until recently).

>
> @p2-devs any hints as to b) above?
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=337449#c2  may be related.
>
> @Vincent just in case using apache httpclient v4 would help, this is not up to you; it's a change which would have to be done in p2 (or at least in tycho)

No...it's a change that's underway...intended for Kepler:  i.e. see this 
enhancement [2].  The desire here is that apache httpclient 4.x 
reportedly has support for ntlmv2 proxies, where httpclient 3.1 did 
not.   We have a completed provider based upon httpclient 4.x, and would 
appreciate some help with testing against various proxy configurations 
in coming integration builds.

But again...since I don't know how/what tycho does WRT downloading, this 
might not address your proxy issue.

Thanks,

Scott

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=252002
[2] https://bugs.eclipse.org/bugs/show_bug.cgi?id=337449


> Another thing you should try is to enable advanced HTTP tracing as per [1] and post the traces
>
> Regards,
> Jan
>
> [1] http://wiki.eclipse.org/Equinox_p2_Reporting_Problems
>
>
> -----Original Message-----
> From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Girard-reydet, Vincent
> Sent: Montag, 18. Februar 2013 18:50
> To: Tycho user list
> Subject: Re: [tycho-user] Tycho 0.16 + Jenkins + NTLM2 proxy
>
> Hi Jan,
>
> Thank you for your answer. No I'm not using encrypted passwords for now. I have triple-checked the settings and it's using the proxy (I've tried removing the section completely and the Jenkins fails to download the Maven plugins). Here is the proxy section I'm using (passwords, logins and hosts modified):
>
>    <proxies>
>      <proxy>
>        <id>bp</id>
>        <active>true</active>
>        <protocol>http</protocol>
>        <username>MYUSERNAME</username>
>        <password>MYPASSWORD</password>
>        <host>my.proxy.host</host>
>        <port>808080</port>
>        <!--<nonProxyHosts>local.net|some.host.com</nonProxyHosts>-->
>      </proxy>
>    </proxies>
>
> Note that I have dropped the wagon-http-lightweight-2.2.jar in the ${MAVEN_HOME}/lib/ext folder of my Maven installation as well as in the folder of Jenkins, just to be sure.
>
> But what I really don't understand is why it works in command line and not in Jenkins. I don't see where the difference is, as I'm using the same version of Maven and the same config file. I don't have enough knowledge of the platform resolution process to understand: where does Maven stop, where does Tycho stop and where does pure P2 code start in the platform resolution process, and how does the chain of transmission of credentials work? I thought that TYCHO-279 had solved the problem, but from the fix I was not able to completely understand the process.
>
> To me it seems that Tycho should configure the proxy/credentials resolution in p2 before invoking it to resolve the platform, so the bug would be in the Tycho/Jenkins interaction, but I may be wrong.
>
> To try the httpclient4, I have to consume the newest version of org.eclipse.ecf.filetransfer.feature, that's right? What would be the recommended way of doing (or is it what I have to ask to p2-dev@xxxxxxxxxxx)?
>
> Vincent
>
> Vincent Girard-Reydet - LNG Optimisation - BP Gas Marketing Limited, 20 Canada Square, London, E14 5NJ
> t: +44 20 7948 5122
> BP Gas Marketing Limited, a company registered in England and Wales with the company number 908982, VAT number GB 365 6789 95 and whose registered office is Chertsey Road, Sunbury on Thames, Middlesex, TW16 7BP
> This message may contain information that is privileged or confidential. If you are not the intended recipient please delete it and inform the sender immediately. Within the bounds of law, the UK based entities in the Trading arm of the BP Group retain all emails and IMs and monitor them to ensure compliance with their internal policies and for other legitimate business purposes.
>
>
> -----Original Message-----
> From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Sievers, Jan
> Sent: 18 February 2013 16:28
> To: Tycho user list
> Subject: Re: [tycho-user] Tycho 0.16 + Jenkins + NTLM2 proxy
>
> are you using maven-encrypted passwords?
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=394023
>
> are you sure you added proxy credentials in settings.xml [1] ?
>
> other than that you may have hit an NTLM limitation in the outdated apache httpclient 3.x still used by p2.
> here is the bug to upgrade to  httpclient v4 which seems to indicate it has better support for NTLM:
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=337449#c2
>
> in this case I suggest to ask on p2-dev@xxxxxxxxxxx for any hints.
>
> Regards
> Jan
>
> [1] http://maven.apache.org/settings.html#Proxies
>
>
>
> From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Girard-reydet, Vincent
> Sent: Montag, 18. Februar 2013 16:07
> To: tycho-user@xxxxxxxxxxx
> Subject: [tycho-user] Tycho 0.16 + Jenkins + NTLM2 proxy
>
> Hi folks,
>
> I'm struggling to configure a Maven build using Tycho on Jenkins behind my company's proxy. I have a set of modules that build perfectly well from the console (I just rebuilt everything using a fresh m2 repo and the build is completely successful). Now I' trying to automate it with Jenkins (see the full env spec at the end of the email). I have configured a Maven build in Jenkins. For the local and global settings, I'm pointing at the exact same settings file I'm using in the console. This settings file contains the proxy definition, with the username, password and everything (and working fine in console). The build is using a private Maven repo.
> For my build, I'm using a target platform file (NOT using p2 repositories in the pom.xml), as per the below. This platform is resolved OK when building in console.
>
> The Jenkins build uses correctly the proxy information to download all Maven plugins (including Tycho plugins). However, when Tycho starts resolving the platform, it somehow fails to collect the proxy information (which it should since TYCHO-279 is now closed). I tried all the workarounds described to circumvene TYCHO-279 (using the ECF proxy properties), I tried also using a Nexus repo, nothing worked. I'm a bit screwed new, it seems to be somehow Jenkins-specific but I don't' have a clue what's going on.
>
>
> Would someone be able to help me investigate the problem?
>
> Environment spec:
> - Windows 7
> - NTLM2 proxy
> - Maven 3.0.4
> - JDK 1.6.39 x86_64
> - Jenkins v1.501 (out of the box install, running as a Windows service)
> - Tycho v0.16
>
> Platform configuration in parent pom:
>
>        <plugin>
>          <groupId>org.eclipse.tycho</groupId>
>          <artifactId>target-platform-configuration</artifactId>
>          <version>${tycho.version}</version>
>          <configuration>
>           <target>
>            <artifact>
>               <groupId>FAKE_GROUP_ID</groupId>
>               <artifactId>target</artifactId>
>               <version>1.0.0</version>
>               <classifier>indigo</classifier>
>            </artifact>
>           </target>
>            <environments>
>              <environment>
>                <os>win32</os>
>                <ws>win32</ws>
>                <arch>x86</arch>
>              </environment>
>              <environment>
>                <os>win32</os>
>                <ws>win32</ws>
>                <arch>x86_64</arch>
>              </environment>
>            </environments>
>          </configuration>
>        </plugin>
>
> Platform definition :
> <?xml version="1.0" encoding="UTF-8" standalone="no"?> <?pde version="3.6"?>
>
> <target name="indigo" sequenceNumber="14"> <locations> <location includeAllPlatforms="false" includeMode="slicer" includeSource="false" type="InstallableUnit"> <unit id="org.eclipse.equinox.server.servletbridge.feature.group" version="1.0.100.v20110502-42DF9oB5865K5D"/>
> <repository location="http://download.eclipse.org/eclipse/updates/3.7"/>
> </location>
> <location includeAllPlatforms="false" includeMode="slicer" includeSource="false" type="InstallableUnit"> <unit id="org.eclipse.ajdt.feature.group" version="2.2.0.e37x-RELEASE-20120704-0900"/>
> <unit id="org.eclipse.equinox.weaving.sdk.feature.group" version="1.0.200.I20120427-0800"/>
> <repository location="http://download.eclipse.org/tools/ajdt/37/update"/>
> </location>
> <location includeAllPlatforms="false" includeMode="slicer" includeSource="false" type="InstallableUnit"> <unit id="org.eclipse.sdk.ide" version="3.7.2.M20120208-0800"/> <unit id="org.eclipse.emf.ecore.feature.group" version="2.7.1.v20120127-1122"/> <unit id="org.eclipse.emf.sdk.feature.group" version="2.7.2.v20120130-0943"/> <unit id="org.eclipse.emf.compare.feature.group" version="1.2.2.v20120214-0915"/> <unit id="org.eclipse.emf.query.feature.group" version="1.5.0.v20110502-1600-218Z7w311A142A1142"/>
> <unit id="org.eclipse.draw2d.feature.group" version="3.7.2.v20110927-2020-4617w3122212803131"/>
> <unit id="org.eclipse.xsd.sdk.feature.group" version="2.7.1.v20120130-0943"/> <unit id="org.eclipse.objectteams.otequinox.feature.group" version="2.0.2.201202051448"/> <unit id="org.eclipse.equinox.sdk.feature.group" version="3.7.1.R37x_v20110907-7M7W8i8eNV4WsRkue-4Vq4J6pCyW"/>
> <unit id="javax.transaction" version="1.1.1.v201105210645"/>
>
> <unit id="org.eclipse.equinox.executable.feature.group" version="3.5.0.v20110530-7P7NFUFFLWUl76mart"/>
> <unit id="org.eclipse.jdt.feature.group" version="3.7.1.r371_v20110810-0800-7z8gFcoFMLfTabvKsR5Qm9rBGEBK"/>
> <unit id="org.eclipse.rcp.sdk.id" version="3.7.1.M20110909-1335"/>
>
> <repository location="http://download.eclipse.org/releases/indigo"/>
> </location>
> </locations>
> <environment>
> <arch>x86</arch>
> </environment>
> </target>
>
> Error log in Jenkins (no error when building from console):
>
> Downloaded: http://repo.maven.apache.org/maven2/org/codehaus/mojo/aspectj-maven-plugin/1.3/aspectj-maven-plugin-1.3.jar (37 KB at 63.6 KB/sec) [INFO] Computing target platform for MavenProject: <MODULE_ID_HIDDEN>:1.0.0-SNAPSHOT @ C:\jenkins_workspace\test\<MODULE_ID_HIDDEN>\pom.xml
> 18-Feb-2013 12:30:08 org.apache.commons.httpclient.auth.AuthChallengeProcessor selectAuthScheme
> INFO: ntlm authentication scheme selected
> 18-Feb-2013 12:30:08 org.apache.commons.httpclient.HttpMethodDirector processProxyAuthChallenge
> INFO: No credentials available for NTLM <any realm>@iaccess.bp.com:80 mavenExecutionResult exceptions not empty message : Internal error: java.lang.RuntimeException: Failed to resolve target definition C:\jenkins_workspace\test\FAKE_GROUP_ID\indigo.target
>
> cause : Failed to resolve target definition C:\jenkins_workspace\test\FAKE_GROUP_ID\indigo.target
> Stack trace :
> org.apache.maven.InternalErrorException: Internal error: java.lang.RuntimeException: Failed to resolve target definition C:\jenkins_workspace\test\FAKE_GROUP_ID\indigo.target
>           at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168)
>           at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
>           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>           at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>           at java.lang.reflect.Method.invoke(Method.java:597)
>           at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
>           at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
>           at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:158)
>           at hudson.maven.Maven3Builder.call(Maven3Builder.java:100)
>           at hudson.maven.Maven3Builder.call(Maven3Builder.java:66)
>           at hudson.remoting.UserRequest.perform(UserRequest.java:118)
>           at hudson.remoting.UserRequest.perform(UserRequest.java:48)
>           at hudson.remoting.Request$2.run(Request.java:326)
>           at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
>           at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>           at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>           at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>           at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.RuntimeException: Failed to resolve target definition C:\jenkins_workspace\test\FAKE_GROUP_ID\indigo.target
>           at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.addTargetFileContentToTargetPlatform(P2TargetPlatformResolver.java:338)
>           at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.computeTargetPlatform(P2TargetPlatformResolver.java:207)
>           at org.eclipse.tycho.core.resolver.DefaultTychoDependencyResolver.resolveProject(DefaultTychoDependencyResolver.java:94)
>           at org.eclipse.tycho.core.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:82)
>           at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:274)
>           at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>           ... 19 more
> Caused by: org.eclipse.tycho.p2.target.facade.TargetDefinitionResolutionException: Failed to load metadata repository from location http://download.eclipse.org/eclipse/updates/3.7
>           at org.eclipse.tycho.p2.target.TargetDefinitionResolver.loadRepository(TargetDefinitionResolver.java:190)
>           at org.eclipse.tycho.p2.target.TargetDefinitionResolver.resolveContent(TargetDefinitionResolver.java:109)
>           at org.eclipse.tycho.p2.target.TargetDefinitionResolverService.resolveFromArguments(TargetDefinitionResolverService.java:64)
>           at org.eclipse.tycho.p2.target.TargetDefinitionResolverService.getTargetDefinitionContent(TargetDefinitionResolverService.java:54)
>           at org.eclipse.tycho.p2.target.TargetPlatformBuilderImpl.addTargetDefinition(TargetPlatformBuilderImpl.java:289)
>           at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.addTargetFileContentToTargetPlatform(P2TargetPlatformResolver.java:331)
>           ... 24 more
> Caused by: org.eclipse.equinox.p2.core.ProvisionException: HTTP Proxy Authentication Required: http://download.eclipse.org/eclipse/updates/3.7/content.xml
>           at org.eclipse.equinox.internal.p2.repository.CacheManager.createCache(CacheManager.java:192)
>           at org.eclipse.tycho.p2.remote.TychoP2RepositoryCacheManager.createCache(TychoP2RepositoryCacheManager.java:62)
>           at org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory.getLocalFile(SimpleMetadataRepositoryFactory.java:66)
>           at org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory.load(SimpleMetadataRepositoryFactory.java:88)
>           at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:57)
>           at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:758)
>           at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:651)
>           at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:96)
>           at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:92)
>           at org.eclipse.tycho.p2.remote.RemoteMetadataRepositoryManager.loadRepository(RemoteMetadataRepositoryManager.java:82)
>           at org.eclipse.tycho.p2.target.TargetDefinitionResolver.loadRepository(TargetDefinitionResolver.java:188)
>           ... 29 more
> Caused by: org.eclipse.ecf.filetransfer.BrowseFileTransferException: Proxy auth required
>           at org.eclipse.ecf.provider.filetransfer.browse.URLFileSystemBrowser.runRequest(URLFileSystemBrowser.java:129)
>           at org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser$DirectoryJob.run(AbstractFileSystemBrowser.java:69)
>           at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
> channel stopped
>
> Output from the console (OK):
>
> Downloaded: http://repo.maven.apache.org/maven2/org/codehaus/mojo/aspectj-maven-plugin/1.3/aspectj-maven-plugin-1.3.jar (37 KB at 63.6 KB/sec) [INFO] Scanning for projects...
> [INFO] Computing target platform for MavenProject: <MODULE_ID_HIDDEN>:1.0.0-SNAPSHOT @ C:\git\ok\<MODULE_ID_HIDDEN>\pom.xml
> 18-Feb-2013 14:58:28 org.apache.commons.httpclient.auth.AuthChallengeProcessor selectAuthScheme
> INFO: ntlm authentication scheme selected
> 18-Feb-2013 14:58:28 org.apache.commons.httpclient.HttpMethodDirector processProxyAuthChallenge
> INFO: No credentials available for NTLM <any realm>@iaccess.bp.com:80 [WARNING] De-selecting bundles in a target definition file is not supported. See http://wiki.eclipse.org/Tycho_Messages_Explained#Target_File_Include_Bundles for alternatives.
> [INFO] Resolving dependencies of MavenProject: <MODULE_ID_HIDDEN>:1.0.0-SNAPSHOT @ C:\git\ok\<MODULE_ID_HIDDEN>\pom.xml
> [WARNING] The following locally built units have been used to resolve project dependencies:
> <list of dependencies to local modules>
> [INFO] Resolving class path of MavenProject: <MODULE_ID_HIDDEN>:1.0.0-SNAPSHOT @ C:\git\ok\<MODULE_ID_HIDDEN>\pom.xml
> [WARNING] Dependency from C:\git\ok\<MODULE_ID_HIDDEN> to nested classpath entry C:\git\ok\<OTHER_MODULE>\icons can not be represented in Maven model and will not be visible to non-OSGi aware Maven plugins
>
> Thank,
> Vincent
> Vincent Girard-Reydet - BP Gas Marketing Limited, 20 Canada Square, London, E14 5NJ BP Gas Marketing Limited, a company registered in England and Wales with the company number 908982, VAT number GB 365 6789 95 and whose registered office is Chertsey Road, Sunbury on Thames, Middlesex, TW16 7BP This message may contain information that is privileged or confidential. If you are not the intended recipient please delete it and inform the sender immediately. Within the bounds of law, the UK based entities in the Trading arm of the BP Group retain all emails and IMs and monitor them to ensure compliance with their internal policies and for other legitimate business purposes.
>
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