我得到java.net.SocketException：权限被拒绝：在Jenkins中发送电子邮件时连接 [英] I get java.net.SocketException: Permission denied: connect when sending an email in Jenkins
问题描述
我的配置：
- Windows 7计算机
- Java 7
- Jenkins 1.511作为本地帐户服务运行
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 Files\IBM\SDP8.5\jdk\bin\java.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代替我的真实域名/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)
我对此错误的理解是，Windows 7中存在一个由Java 7公开的问题到防火墙以及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。我在使用ANT电子邮件任务在此计算机上添加-Djava.net.preferIPv4Stack = true方面取得了成功。但是，在Jenkins，我没有运气。
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文件似乎完全被忽略了。未设置-Djava.net.preferIPv4Stack = true参数。 PATH和JAVA_HOME都指向IBM运行时，但Jenkins仍然从Oracle v7运行时开始。 Jenkins必须产生一个新的进程来启动并获取系统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.
使用上面的配置，如果我去Jenkins脚本控制台并使用查询它 System.getProperty（java.net.preferIPv4Stack），我什么都没得到（没有设置）。如果我设置了那个参数，我仍然会得到错误。如果我在命令行中添加-Djava.net.preferIPv4Stack = true（不是使用该服务），在通过脚本控制台查询时仍未设置。
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
-
为什么我会收到此错误以及如何解决？请记住我可以编写一个ANT脚本，使用相同的smtp服务器和java运行时间成功发送电子邮件。
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启动-Djava.net.preferIPv4Stack = true参数并指定运行时间？
How do I get Jenkins to start up with the -Djava.net.preferIPv4Stack=true parameter and specified run time?
一些注释：
- 由于公司存在问题，我无法卸载Java 7。 / li>
- 我无法安装J. ava 6由于相同的问题。
- 我被允许安装IBM JDK / JRE。
推荐答案
-jar 参数之后的参数将传递给应用程序，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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