我的配置:
我的 jenkins.xml 文件
My jenkins.xml file
<service>
<id>jenkins</id>
<name>Jenkins</name>
<env name="JENKINS_HOME" value="%BASE%"/>
<executable>C:Program FilesIBMSDP8.5jdkinjava.exe</executable>
<arguments>-Xrs -Xmx256m -Dhudson.lifecycle=hudson.lifecycle.WindowsServiceLifecycle -jar "%BASE%jenkins.war" --httpPort=8080 -Djava.net.preferIPv4Stack=true</arguments>
</service>
我的 hudson.tasks.Mailer.xml 文件
My hudson.tasks.Mailer.xml file
<hudson.tasks.Mailer_-DescriptorImpl plugin="mailer@1.4">
<defaultSuffix>@example.com</defaultSuffix>
<hudsonUrl>http://localhost:8081/</hudsonUrl>
<adminAddress>Jenkins Build Server <do-not-reply@example.com></adminAddress>
<smtpHost>smtp.example.com</smtpHost>
<useSsl>false</useSsl>
<charset>UTF-8</charset>
</hudson.tasks.Mailer_-DescriptorImpl>
注意:example.com"替换了我的真实域/电子邮件/smtp 服务器.
Note: "example.com" substituted for my real domain/email/smtp server.
当我指示 Jenkins 发送测试电子邮件时，我收到此错误:
When I instruct Jenkins to send a test email, I get this error:
Failed to send out e-mail
javax.mail.MessagingException: Could not connect to SMTP host: smtp.example.com, port: 25;
nested exception is:
java.net.SocketException: Permission denied: connect
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1934)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:638)
at javax.mail.Service.connect(Service.java:295)
我对这个错误的理解是，Java 7 暴露了 Windows 中的一个错误，涉及防火墙以及 Java 7 如何使用 ipv4 映射的 ipv6 地址.
My understanding with this error, is that there is a bug in Windows which is exposed by Java 7 with regards to the Firewall and how Java 7 uses a ipv4 mapped ipv6 address.
据报道，这可以通过在 java 运行时添加 -Djava.net.preferIPv4Stack=true 来解决.我已经成功地使用 ANT 电子邮件任务在这台机器上添加了 -Djava.net.preferIPv4Stack=true.但是，在詹金斯，我没有任何运气.
This is reported to be solved by adding -Djava.net.preferIPv4Stack=true to the java run time. I have had success with adding -Djava.net.preferIPv4Stack=true on this machine using the ANT email task. However, in Jenkins, I have not had any luck.
请注意，jenkins.xml 文件似乎被完全忽略了.-Djava.net.preferIPv4Stack=true 参数未设置.PATH 和 JAVA_HOME 都指向 IBM 运行时，但 Jenkins 仍然从 Oracle v7 运行时开始.Jenkins 必须生成一个新进程来启动和启动系统 java 7.
Note that it appears the jenkins.xml file is completely ignored. The -Djava.net.preferIPv4Stack=true parameter is not set. The PATH and JAVA_HOME both point to the IBM run time, but Jenkins still starts with the Oracle v7 run time. Jenkins must be spawning off a new process to start and picking up the system java 7.
使用上述配置，如果我转到 Jenkins 脚本控制台并使用System.getProperty("java.net.preferIPv4Stack") 询问它，我什么也得不到(未设置).如果我设置了该参数，我仍然会得到错误.如果我将 -Djava.net.preferIPv4Stack=true 添加到命令行(不使用服务)，通过脚本控制台询问时仍然没有设置.
Using the above configuration, if I go to Jenkins scripting console and interrogate it using "System.getProperty("java.net.preferIPv4Stack"), I get nothing (not set). If I set that parameter, I still get the error. If I add -Djava.net.preferIPv4Stack=true to the command line (not using the service), it is still not set when interrogated through the scripting console.
我的问题
为什么会出现此错误以及如何解决?请记住，我可以编写一个使用相同的 smtp 服务器和 java 运行时间成功发送电子邮件的 ANT 脚本.
Why am I getting this error and how to I resolve it? Remember that I can write an ANT script that successfully sends email using the same smtp server and java run times.
如何让 Jenkins 使用 -Djava.net.preferIPv4Stack=true 参数和指定的运行时间启动?
How do I get Jenkins to start up with the -Djava.net.preferIPv4Stack=true parameter and specified run time?
一些注意事项:
-jar 参数后的参数将被传递给应用程序，而不是 java vm.因此，请尝试在 -jar 参数之前移动 -Djava.net.preferIPv4Stack=true.
Arguments after the -jar argument will be passed to the application, not the java vm. So try moving -Djava.net.preferIPv4Stack=true before the -jar argument.
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