jacoco dump is not returning

[Gail Stewart]

I am trying to get coverage results from tests run in tomcat.  I am using ant and the jacoco ant tasks to define the agent.

The value of the agent property is as follows, and it is passed vy JAVA_OPTS to tomcat

-javaagent:/tmp/jacocoagent6518525569979176026.jar=append=true,includes=com.demandware*:dw*:TopLevel*,output=tcpserver,address=*,port=6000

when I do netstat -ano I see the following line.

tcp        0      0 :::6000                     :::*                        LISTEN   

When ant calls the dump task it just hangs.  I don't see  data being written to the file and the call does not return to the ant script.

This is the ant call

<jacoco:dump address="*" port="${jacoco.tcpport}" reset="true" dump="${do.coverage.it}" destfile="${dw.global.jacoco.it.coverage.file}" append="true"/>

These are the values (I echo them to the log)

jacoco:dump address=* port=6000 dump=true append=true destfile=/srv/jenkins/workspace/gstewart.ecom.coverage/server/build/reports/tests/int/it-jacoco.exec

How do I troubleshoot this?  What should I be doing differently?

Thanks

Gail

[Marc R. Hoffmann]

Hi Gail,

the only thing that looks strange to me is address="*" for the dump command. I don't think this is a propert target address. You better set a actual target ip address or name (or maybe just "localhost" depending on your setup).

To troubleshoot this please create a stack dump from the hanging Ant script (CTRL+C on Windows, debugger, JConsole, jstack, etc) so you can see where it actually hangs.

Cheers,
-marc

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[Gail Stewart]

Thanks.  I will get a stack dump.  The doc says an asterisk is allowed, but I will try again with a specific ip.

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[Marc Hoffmann]

Ups, that is an error that should be corrected in documentation. Can you
please tell me where the documentations says that "*" is allowed for the
address attribute of the dump task?

Thx,
-marc

>>> dump="${do.coverage.it [1]}"

>>> destfile="${dw.global.jacoco.it.coverage.file}" append="true"/>
>>> These are the values (I echo them to the log)
>>> jacoco:dump address=* port=6000 dump=true append=true
>>>
>>
> destfile=/srv/jenkins/workspace/gstewart.ecom.coverage/server/build/reports/tests/int/it-jacoco.exec
>>>
>>>
>>> How do I troubleshoot this?  What should I be doing differently?
>>> Thanks
>>> Gail --
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[Gail Stewart]

http://www.eclemma.org/jacoco/trunk/doc/ant.html

address

IP address or hostname to bind to when the output method is tcpserver or connect to when the output method is tcpclient. In tcpserver mode the value "*" causes the agent to accept connections on any local address.

loopback interface