Did you also add
EXPOSE 6300/tcp
to your Docker file?
> On 2. Oct 2019, at 14:49, [email protected] wrote:
>
> I'm using 8.0.4 and have the agent running with my app (confirmed) in a
> docker container, but can't get the cli dump to work from outside. My goal is
> to keep it running across multiple test runs and dump and reset the coverage
> data. When I attempt to connect I get this error:
>
> [INFO] Connecting to localhost/127.0.0.1:6300.
> Exception in thread "main" java.io.IOException: Socket closed unexpectedly.
> at
> org.jacoco.cli.internal.core.tools.ExecDumpClient.dump(ExecDumpClient.java:128)
> at
> org.jacoco.cli.internal.core.tools.ExecDumpClient.dump(ExecDumpClient.java:98)
> at org.jacoco.cli.internal.commands.Dump.execute(Dump.java:69)
> at org.jacoco.cli.internal.Main.execute(Main.java:89)
> at org.jacoco.cli.internal.Main.main(Main.java:104)
>
> I am actually attempting this with a complex WebSphere app, so when I hit the
> error I used a simple spring boot app to test the conditions again and get
> the same error. After further testing I found I was able to perform the dump
> from 'inside' the container for both apps, and I have specified the
> appropriate docker port pass-through ( -p 6300:6300 ). Wondering if anyone
> else has hit this, or if there is some other handshake code (or ports) needed
> to successfully connect from outside the container?
>
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