请帮我解决这个问题。我不太明白日志中的错误是什么意思。

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 21.749s
[INFO] Finished at: Thu Apr 24 10:10:20 IST 2014
[INFO] Final Memory: 15M/37M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.15:test (default-test) on project samples.simpleforwarding: Execution default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.15:test failed: The forked VM terminated without saying properly goodbye. VM crash or System.exit called ?
[ERROR] Command wascmd.exe /X /C ""C:\Program Files\Java\jdk1.7.0_55\jre\bin\java" -Xmx1024m -XX:MaxPermSize=256m -jar E:\OpenDayLight\controller\opendaylight\samples\simpleforwarding\target\surefire\surefirebooter53410321571238933.jar E:\OpenDayLight\controller\opendaylight\samples\simpleforwarding\target\surefire\surefire86076271125218001tmp E:\OpenDayLight\controller\opendaylight\samples\simpleforwarding\target\surefire\surefire_01846991116135903536tmp"
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

当前回答

我尝试了所有提供的解决方案(分叉,系统加载器,更多的内存等),没有工作。

环境:在gitlab ci环境中构建失败,在docker容器中运行构建。

解决方案: 我们在2.20.1版本中使用surefireplugin,升级到2.21.0或更高版本(我们使用2.22.1)修复了这个问题。

原因: surefire -1422 - surefire使用ps命令,该命令在docker环境中不可用,导致“崩溃”。此问题在2.21.0或更高版本中修复。

感谢另一个问题的答案:https://stackoverflow.com/a/50568662/2970422

其他回答

如果有人包含自定义argLine参数,则必须重新考虑,因为它很可能是内存分配问题的根源。

例如(我曾经有过):

<argLine>XX:MaxPermSize=4096m ${argLine}</argLine>

现在我使用硬指定值:

<argLine>-Xmx1024m -XX:MaxPermSize=256m</argLine>

无论出于何种原因,与Surefire集成的应用程序(如Jacoco)不会请求足够的内存来与构建时发生的测试共存。

Surefire FAQ的这一部分可以帮助你:

Surefire fails with the message "The forked VM terminated without properly saying goodbye" Surefire does not support tests or any referenced libraries calling System.exit() at any time. If they do so, they are incompatible with surefire and you should probably file an issue with the library/vendor. Alternatively the forked VM could also crash for a number of reasons, which can also make this issue happen. Look for the classical "hs_err*" files indicating VM crashes or examine the log output from running maven when the tests execute. Some "extraordinary" output from crashing processes may be dumped to the console/log. If this happens on a CI environment and only after some time runs there is a fair chance your test suite is leaking some kind of OS-level resource that makes things worse for every run. Regular os-level monitoring tools may give you some indication.

关闭maven-surefile-plugin的useSystemClassLoader应该会有帮助

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.22.0</version>
    <configuration>
        <useSystemClassLoader>false</useSystemClassLoader>
    </configuration>
</plugin>

您需要检查您的机器是64位还是32位。如果你的机器是32位的,那么你的内存参数不应该超过4096,即使它应该低于4 GB。 但如果你的机器是64位的,那么安装Java 64位,并在mvn.bat中提供JAVA_HOME,指向Java 64位安装。

在我的测试类中的一个静态成员变量调用一个方法来创建一个对象(在整个类的测试用例中使用),并且该方法导致了一个异常之后,我遇到了这个错误。

// Object created inside test class by calling a static getter.
// Exception thrown in getter:
private static Object someObject = SomeObject.getObject(...);

// ... <Object later used in class>

一些修复包括在每个测试用例中重新创建对象,并相应地捕获任何异常。或者通过在@BeforeTest方法中初始化对象并确保正确地构建对象。