$ mvn --version Apache Maven 3.0.4 (r1232337; 2012-01-17 01:44:56-0700) Maven home: c:\devtools\apache-maven-3.0.4 Java version: 1.7.0_05, vendor: Oracle Corporation Java home: c:\devtools\Java\jdk1.7.0_05\jre Default locale: en_US, platform encoding: Cp1252 OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
When running maven logged into a VPN the following error occurs: $ mvn clean ... Downloading: http:// .../nexus/content/groups/plugin-repo/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: I/O exception (java.net.SocketException) caught when connecting to the target host: Permission denied: connect Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: Retrying connect Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: I/O exception (java.net.SocketException) caught when connecting to the target host: Permission denied: connect Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: Retrying connect Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: I/O exception (java.net.SocketException) caught when connecting to the target host: Permission denied: connect Jul 11, 2012 10:34:20 AM org.apache.maven.wagon.providers.http.httpclient.impl.client.DefaultRequestDirector tryConnect INFO: Retrying connect ... [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.706s [INFO] Finished at: Wed Jul 11 10:34:20 MDT 2012 [INFO] Final Memory: 12M/152M [INFO] ------------------------------------------------------------------------ ... However running the following command results in a successful download of the missing artifact, and a successful clean: $ mvn clean -Djava.net.preferIPv4Stack How would I set the preferIPv4Stack variable globally on my machine so I don't need to add this parameter to the command line every time I run a maven command?
