Cobertura给参数列表太长
我正在尝试使用cobertura插件生成代码覆盖率报告。
我在我的pom.xml中有这个依赖项
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<phase>test</phase>
<goals>
<goal>cobertura</goal>
</goals>
<configuration>
<formats>
<format>html</format>
<format>xml</format>
</formats>
</configuration>
</execution>
</executions>
<configuration>
<formats>
<format>html</format>
<format>xml</format>
</formats>
</configuration>
当我使用这个目标构建我的项目-U -B clean install cobertura：cobertura，我在我的jenkins CI上得到下面的错误
16:37:31 [ERROR] Failed to execute goal org.codehaus.mojo:cobertura-maven-plugin:2.6:instrument (default-cli) on project TestModule: Unable to execute Cobertura. Error while executing process. Cannot run program "/bin/sh": error=7, Argument list too long -> [Help 1]
16:37:31 org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:cobertura-maven-plugin:2.6:instrument (default-cli) on project TestModule: Unable to execute Cobertura.
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions(MojoExecutor.java:364)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:198)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
16:37:31 at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
16:37:31 at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
16:37:31 at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
16:37:31 at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
16:37:31 at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:317)
16:37:31 at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:152)
16:37:31 at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
16:37:31 at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
16:37:31 at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
16:37:31 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
16:37:31 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:76)
16:37:31 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
16:37:31 at java.lang.reflect.Method.invoke(Method.java:602)
16:37:31 at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
16:37:31 at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
16:37:31 at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
16:37:31 at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
16:37:31 Caused by: org.apache.maven.plugin.MojoExecutionException: Unable to execute Cobertura.
16:37:31 at org.codehaus.mojo.cobertura.tasks.AbstractTask.executeJava(AbstractTask.java:244)
16:37:31 at org.codehaus.mojo.cobertura.tasks.InstrumentTask.execute(InstrumentTask.java:139)
16:37:31 at org.codehaus.mojo.cobertura.CoberturaInstrumentMojo.execute(CoberturaInstrumentMojo.java:162)
16:37:31 at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
16:37:31 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
16:37:31 ... 23 more
16:37:31 Caused by: org.codehaus.plexus.util.cli.CommandLineException: Error while executing process.
16:37:31 at org.codehaus.plexus.util.cli.Commandline.execute(Commandline.java:656)
16:37:31 at org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:144)
16:37:31 at org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:107)
16:37:31 at org.codehaus.mojo.cobertura.tasks.AbstractTask.executeJava(AbstractTask.java:240)
16:37:31 ... 27 more
16:37:31 Caused by: java.io.IOException: Cannot run program "/bin/sh": error=7, Argument list too long
16:37:31 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1042)
16:37:31 at java.lang.Runtime.exec(Runtime.java:615)
16:37:31 at java.lang.Runtime.exec(Runtime.java:526)
16:37:31 at org.codehaus.plexus.util.cli.Commandline.execute(Commandline.java:636)
16:37:31 ... 30 more
16:37:31 Caused by: java.io.IOException: error=7, Argument list too long
16:37:31 at java.lang.UNIXProcess.<init>(UNIXProcess.java:139)
16:37:31 at java.lang.ProcessImpl.start(ProcessImpl.java:152)
16:37:31 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1023)
16:37:31 ... 33 more
在我的Windows机器上构建成功，但在jenkins上失败 。 当我将cobertura版本降级到2.5.1时，这个错误消失了，但是我得到了一些解析异常，因为2.5.1的cobertura解析器没有及时使用java语法。
有人可以帮助我为cobertura的2.6.0和更高版本工作
这与相关方面接壤，但可能会提供帮助
这是由于Linux的限制造成的，参数的大小不能超过128kb请参见Linux内核常量：MAX_ARG_STRLEN https://github.com/torvalds/linux/blob/master/include/uapi/linux/binfmts.h
在Jenkins中，一旦你从/读到超过这个值的变量，你将会遇到这个错误。 在我的情况下，我有一个github webhook，它启动了一个Jenkins作业，并将一个有效负载参数设置为大于此限制的字符串>。 尝试读取此参数会引发此错误。
为了解决这个问题，我有一个使用rest-api调用来从父级读取值的子作业
您可以让父作业失败，但允许在任何情况下启动子作业。 下面是我用来提取信息的一个稍微改进的函数（为简洁起见，删除了错误检查和注释）
def get_parameter_value_from_parent():
host = 'https://[YOUR_COMPANY].ci.cloudbees.com'
this_build_url = os.environ.get('BUILD_URL')
request_auth = (JENKINS_USER, JENKINS_TOKEN)
url = '{0}/api/json'.format(this_build_url)
parameter_name = 'payload'
payload = ''
#
# Get the upstreamBuild number, and the upstreamUrl
# so we can put together a link to the upstream job
#
response = requests.get(url, auth=request_auth)
this_build = json.loads(response)
build_number = ''
short_url = ''
actions = this_build['actions']
for action in actions:
if action.get('causes'):
for cause in action.get('causes'):
build_number = cause['upstreamBuild']
short_url = cause['upstreamUrl']
parent_url = '{host}/{short_url}{build}/api/json'.format(host=host,
short_url=short_url, build=build_number)
#
# Now get the payload from the parent job by making REST api call
#
response = requests.get(parent_url, auth=request_auth)
upstream_build = json.loads(response)
actions = upstream_build['actions']
for action in actions:
if action.get('parameters'):
for parameter in action.get('parameters'):
if parameter['name'] == parameter_name:
value = parameter['value']
payload = value
return payload
print 'Error: Unable to return payload from parent jenkins job: {0}'.format(parent_url)
sys.exit(1)
所有shell对命令行长度都有限制。 UNIX / Linux / BSD系统对于命令行参数和环境变量可以使用的字节数有限制。
当您启动新流程或输入命令时，将应用这些限制，您将在屏幕上看到如下错误消息：
Argument list too long
Cobertura试图执行一个shell命令：
getLog().debug( "Working Directory: " + cl.getWorkingDirectory() );
getLog().debug( "Executing command line:" );
getLog().debug( cl.toString() );
int exitCode;
try
{
exitCode = CommandLineUtils.executeCommandLine( cl, stdout, stderr );
}
catch ( CommandLineException e )
{
throw new MojoExecutionException( "Unable to execute Cobertura.", e );
}
实际上，插件试图执行java进程来运行cobertura：
Commandline cl = new Commandline();
File java = new File( SystemUtils.getJavaHome(), "bin/java" );
cl.setExecutable( java.getAbsolutePath() );
cl.addEnvironment("CLASSPATH", createClasspath());
String log4jConfig = getLog4jConfigFile();
if ( log4jConfig != null )
{
cl.createArg().setValue( "-Dlog4j.configuration=" + log4jConfig );
}
cl.createArg().setValue( "-Xmx" + maxmem );
cl.createArg().setValue( taskClass );
if ( cmdLineArgs.useCommandsFile() )
{
String commandsFile;
try
{
commandsFile = cmdLineArgs.getCommandsFile();
}
catch ( IOException e )
{
throw new MojoExecutionException( "Unable to obtain CommandsFile location.", e );
}
if ( FileUtils.fileExists( commandsFile ) )
{
cl.createArg().setValue( "--commandsfile" );
cl.createArg().setValue( commandsFile );
}
else
{
throw new MojoExecutionException( "CommandsFile doesn't exist: " + commandsFile );
}
}
else
{
Iterator<String> it = cmdLineArgs.iterator();
while ( it.hasNext() )
{
cl.createArg().setValue( it.next() );
}
}
因此，首先，启用cobertura DEBUG跟踪来显示执行的shell命令。
我认为问题是版本2.6中使用的类路径与版本2.5.1中使用的类路径。
请启用调试跟踪并发布结果：
https://wiki.jenkins-ci.org/display/JENKINS/Logging
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