Hi Marc,
Thanks for your reply at weekend! Here is the code I used to send data to
google cloud storage:
GcsService gcsService =
GcsServiceFactory.createGcsService(RetryParams.getDefaultInstance());
GcsFilename gcsFileName = new GcsFilename(bucketName, fileName);
GcsFileOptions.Builder fileOptionsBuilder = new
GcsFileOptions.Builder();
GcsFileOptions fileOptions = fileOptionsBuilder.build();
GcsOutputChannel outputChannel =
gcsService.createOrReplace(gcsFileName, fileOptions);
ObjectOutputStream outStream = new
ObjectOutputStream(Channels.newOutputStream(outputChannel));
final ExecutionDataWriter writer = new
ExecutionDataWriter(outStream);
log.info("start to write to GCS");
data.collect(writer, writer, reset);
log.info("finish write to gcs");
The lib for gcs is from maven central, google's release:
<dependencies>
<dependency>
<groupId>com.google.appengine.tools</groupId>
<artifactId>appengine-gcs-client</artifactId>
<version>0.5</version>
</dependency>
</dependencies>
I don't know how to attach the data file here but it is only 2k in size which
made me think I may not using it correctly, the although the getExecute data
didn't send error message but the agent seems not start based on what I
receive. I will try to use reflect method to see whether it is the cross module
dump issue since the trigger to trigger the get data is in a dependency
module's servlet.
Yutian Song
On Sunday, May 14, 2017 at 8:35:33 AM UTC-7, Marc R. Hoffmann wrote:
> Hi Yutian,
>
> the byte[] content is exactly what JaCoCo expects as an exec file.
> Please double-check that you write the byte content as is, without any
> modifications or additions. E.g. with standard Java APIs:
>
> java.io.OutputStream.write(byte[])
>
> Maybe you can show the snippet how you write the data?
>
> Also the stacktrace should give some more details in "Caused by ..."
> further down.
>
> Regards,
> -marc
>
> On 14.05.17 00:36, yutian.song via JaCoCo and EclEmma Users wrote:
> > Hi Marc,
> >
> > Thanks for your suggestion! I tried the get executiondata and successfully
> > run the offline instrument -> deploy to GAE -> collection data. I got the
> > .exec file in the google cloud storage, but the:
> > Caused by: java.io.IOException: Invalid execution data file.
> > at
> > org.jacoco.core.data.ExecutionDataReader.read(ExecutionDataReader.java:89)
> > at
> > org.jacoco.core.tools.ExecFileLoader.load(ExecFileLoader.java:59)
> > at org.jacoco.ant.ReportTask.loadExecutionData(ReportTask.java:514)
> > ... 25 more
> > when I try to get the report from the exec file. This file is send through
> > the google's api and I try to write the byte[] in the output stream and
> > save as a .exec file. Not sure whether the invalid file is due to this
> > byte[] to file save process. We used to try to save the coboertura data
> > file by write the whole data object and it can parse after the donwload.
> >
> > Yutian Song
> >
> > On Thursday, May 11, 2017 at 10:53:42 PM UTC-7, Marc R. Hoffmann wrote:
> >> Hi,
> >>
> >> JaCoCo offers an runtime API for this:
> >> http://www.jacoco.org/jacoco/trunk/doc/api/org/jacoco/agent/rt/package-summary.html
> >>
> >> With
> >>
> >> byte[] execdata = RT.getAgent().getExecutionData(false);
> >>
> >> you can get the execution data within the App engine and transfer/store
> >> it by a apropriate mechanism.
> >>
> >> If you get JaCoCo running with Goole AppEngine please let us know!
> >>
> >> Regards,
> >> -marc
> >>
> >> On 12.05.17 02:57, yutian.song via JaCoCo and EclEmma Users wrote:
> >>> I'm working on a project to collect code coverage for end to end mode
> >>> server side code. We used to use the cobertura to achieve this but
> >>> interested in transfer to Jacoco.
> >>>
> >>> Our service is running on the Google appengine which bring us a lot of
> >>> trouble like no file read/write allowed, no socket server allowed. These
> >>> limitation makes it has only one solution to read the test result file
> >>> is through Google's cloud platform storage. Something like we send the
> >>> code coverage data in byte array to somewhere. Cobertura github wiki
> >>> provide a java reflect method that collect data and we try to using
> >>> servlet to trigger this collection and data transmission.
> >>>
> >>> Google appengine not allow using java agent force us to use the offline
> >>> instrument. I just tried the ant task for Jacoco and got the instrumented
> >>> classes but wonder if there is similar thing we could do to trigger data
> >>> collection and transmission in servlet with Jacoco.
> >>>
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