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From "Thomas Meyer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MCHECKSTYLE-316) Maven proxy settings is being ignored
Date Mon, 25 Jan 2016 15:30:39 GMT

    [ https://issues.apache.org/jira/browse/MCHECKSTYLE-316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15115396#comment-15115396
] 

Thomas Meyer commented on MCHECKSTYLE-316:
------------------------------------------

okay, I think the correct thing would be to use a configured proxy in the URLResourceLoader
(part of plexus-resources) and use

u.openConnection(proxy).getInputStream();
instead of 
u.openStream();

but for this the proxy from the MavenSession should be injected into the URLResourceLoader
object, but I know too few plexus object model on how to do that, if it's possible at all.

I check how other maven plugins (from the maven-plugins github project does solve this) and
found this in the maven-plugins\maven-doap-plugin\src\main\java\org\apache\maven\plugin\doap\DoapUtil.java
which is a maybe a good template for apache http client usage:

        if ( settings != null && settings.getActiveProxy() != null )
        {
            Proxy activeProxy = settings.getActiveProxy();

            ProxyInfo proxyInfo = new ProxyInfo();
            proxyInfo.setNonProxyHosts( activeProxy.getNonProxyHosts() );

            if ( StringUtils.isNotEmpty( activeProxy.getHost() )
                && !ProxyUtils.validateNonProxyHosts( proxyInfo, url.getHost() ) )
            {
                httpClient.getHostConfiguration().setProxy( activeProxy.getHost(), activeProxy.getPort()
);

                if ( StringUtils.isNotEmpty( activeProxy.getUsername() ) && activeProxy.getPassword()
!= null )
                {
                    Credentials credentials =
                        new UsernamePasswordCredentials( activeProxy.getUsername(), activeProxy.getPassword()
);

                    httpClient.getState().setProxyCredentials( AuthScope.ANY, credentials
);
                }
            }
        }

another interesting solution is contained in this plugin maven-plugins\maven-jarsigner-plugin\src\main\java\org\apache\maven\plugins\jarsigner\AbstractJarsignerMojo.java
which seems to append some java system property switches to set the proxy.




> Maven proxy settings is being ignored
> -------------------------------------
>
>                 Key: MCHECKSTYLE-316
>                 URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-316
>             Project: Maven Checkstyle Plugin
>          Issue Type: Bug
>          Components: checkstyle:check
>    Affects Versions: 2.16
>         Environment: Windows 7
>            Reporter: Thomas Meyer
>
> Hi,
> having a suppression location of https://raw.githubusercontent.com/wso2/code-quality-tools/master/checkstyle/suppressions.xml
results in a call to 
> DefaultCheckstyleExecutor.getSuppressionsFilePath():797
> which will try a resource lookup via DefaultResourceManager.getResourceAsFile() which
will call URLResourceLoader.getResource()
> this will timeout and result in a ConnectionException.
> But in the underlying maven session a HTTP proxy is defined, but not used here.
> The DefaultBuildPluginManager.executeMojo() has the proxy information available in the
MavenSession (session) as part of the request (DefaultMavenExecutionRequest) -> proxies
> So a fix would be to apply those configured proxies somehow to the checkstyle plugin,
but I'm not sure who this is done best.
> Complete stack trace:
> Thread [main] (Suspended (exception ConnectException))	
> 	owns: DualStackPlainSocketImpl  (id=47)	
> 	owns: HttpsClient  (id=48)	
> 	owns: DelegateHttpsURLConnection  (id=49)	
> 	owns: HttpsURLConnectionImpl  (id=50)	
> 	DualStackPlainSocketImpl.connect0(int, InetAddress, int) line: not available [native
method]	
> 	DualStackPlainSocketImpl.socketConnect(InetAddress, int, int) line: 79	
> 	DualStackPlainSocketImpl(AbstractPlainSocketImpl).doConnect(InetAddress, int, int) line:
345	
> 	DualStackPlainSocketImpl(AbstractPlainSocketImpl).connectToAddress(InetAddress, int,
int) line: 206	
> 	DualStackPlainSocketImpl(AbstractPlainSocketImpl).connect(SocketAddress, int) line:
188	
> 	SocksSocketImpl(PlainSocketImpl).connect(SocketAddress, int) line: 172	
> 	SocksSocketImpl.connect(SocketAddress, int) line: 392	
> 	SSLSocketImpl(Socket).connect(SocketAddress, int) line: 589	
> 	SSLSocketImpl.connect(SocketAddress, int) line: 656	
> 	SSLSocketImpl(BaseSSLSocketImpl).connect(SocketAddress) line: 173	
> 	HttpsClient(NetworkClient).doConnect(String, int) line: 180	
> 	HttpsClient(HttpClient).openServer(String, int) line: 432	
> 	HttpsClient(HttpClient).openServer() line: 527	
> 	HttpsClient.<init>(SSLSocketFactory, URL, Proxy, int) line: 275	
> 	HttpsClient.New(SSLSocketFactory, URL, HostnameVerifier, Proxy, boolean, int, HttpURLConnection)
line: 371	
> 	DelegateHttpsURLConnection(AbstractDelegateHttpsURLConnection).getNewHttpClient(URL,
Proxy, int) line: 191	
> 	DelegateHttpsURLConnection(HttpURLConnection).plainConnect0() line: 1104	
> 	DelegateHttpsURLConnection(HttpURLConnection).plainConnect() line: 998 [local variables
unavailable]	
> 	DelegateHttpsURLConnection(AbstractDelegateHttpsURLConnection).connect() line: 177	
> 	DelegateHttpsURLConnection(HttpURLConnection).getInputStream0() line: 1512	
> 	DelegateHttpsURLConnection(HttpURLConnection).getInputStream() line: 1440	
> 	HttpsURLConnectionImpl.getInputStream() line: 254 [local variables unavailable]	
> 	URL.openStream() line: 1038 [local variables unavailable]	
> 	URLResourceLoader.getResource(String) line: 73	
> 	DefaultResourceManager.getResource(String) line: 159	
> 	DefaultResourceManager.getResourceAsFile(String, String) line: 91	
> 	DefaultCheckstyleExecutor.getSuppressionsFilePath(CheckstyleExecutorRequest) line: 797

> 	DefaultCheckstyleExecutor.executeCheckstyle(CheckstyleExecutorRequest) line: 117	
> 	CheckstyleViolationCheckMojo.execute() line: 538	
> 	DefaultBuildPluginManager.executeMojo(MavenSession, MojoExecution) line: 132	
> 	MojoExecutor.execute(MavenSession, MojoExecution, ProjectIndex, DependencyContext) line:
208	
> 	MojoExecutor.execute(MavenSession, MojoExecution, ProjectIndex, DependencyContext, PhaseRecorder)
line: 153	
> 	MojoExecutor.execute(MavenSession, List<MojoExecution>, ProjectIndex) line: 145

> 	LifecycleModuleBuilder.buildProject(MavenSession, MavenSession, ReactorContext, MavenProject,
TaskSegment) line: 116	
> 	LifecycleModuleBuilder.buildProject(MavenSession, ReactorContext, MavenProject, TaskSegment)
line: 80	
> 	SingleThreadedBuilder.build(MavenSession, ReactorContext, ProjectBuildList, List<TaskSegment>,
ReactorBuildStatus) line: 51	
> 	LifecycleStarter.execute(MavenSession) line: 120	
> 	DefaultMaven.doExecute(MavenExecutionRequest) line: 347	
> 	DefaultMaven.execute(MavenExecutionRequest) line: 154	
> 	MavenCli.execute(MavenCli$CliRequest) line: 582	
> 	MavenCli.doMain(MavenCli$CliRequest) line: 214	
> 	MavenCli.main(String[], ClassWorld) line: 158	
> 	NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native
method]	
> 	NativeMethodAccessorImpl.invoke(Object, Object[]) line: 62	
> 	DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43	
> 	Method.invoke(Object, Object...) line: 497	
> 	Launcher.launchEnhanced(String[]) line: 289	
> 	Launcher.launch(String[]) line: 229	
> 	Launcher.mainWithExitCode(String[]) line: 415	
> 	Launcher.main(String[]) line: 356	



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