Error when trying to package EchoExample

[Mingmin Liu]

The code I cloned is the latest master: https://github.com/twitter/iago/commit/f153d805653b986754fbb6cc64eb1e599072d583

Error occurred when I tried to package the Echo example:

***

➜  echo git:(master) ✗ mvn package

...

...

[ERROR] error: error while loading Await, class file needed by Await is missing.

[INFO] reference type InterruptedException of object package refers to nonexisting symbol.

[ERROR] error: error while loading Awaitable, class file needed by Awaitable is missing.

[INFO] reference type InterruptedException of object package refers to nonexisting symbol.

[ERROR] two errors found

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 8.492s

[INFO] Finished at: Thu May 29 14:13:14 CST 2014

[INFO] Final Memory: 10M/81M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:3.0.1:compile (scala-compile-first) on project iago-echo: wrap: org.apache.commons.exec.ExecuteException: Process exited with an error: 1(Exit value: 1) -> [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/MojoExecutionException 

***

Any idea why this happens?

[Tom Howland]

The problem is that when Iago was ported to scala 2.10, the echo example was never ported. You have two alternatives:

1. get echo working with 2.10 -- this would involve a major rewrite of examples/echo/pom.xml. The world will thank you. Or
2. use an older release of Iago that uses scala 2.9.2

The last known good release of Iago for 2.9.2 was

commit 415c7970cce6e3f5569cd2ee8f46d3c91308bf90

Author: Tom Howland <thow...@twitter.com>

Date:   Sat Feb 8 15:06:55 2014 -0800

    removed scrooge snapshot dependency

I proved it to myself with

git clean -fxd

git checkout 415c7970cce6e3f5569cd2ee8f46d3c91308bf90

mvn -DskipTests install && cd examples/echo && mvn package

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[Mingmin Liu]

Thanks for your reply.

I tried solution 2,  it works !

在 2014年5月30日星期五UTC+8上午2时53分49秒，WamBamBoozle写道：

[Raphael Feng]

Fixed by https://github.com/twitter/iago/commit/c1b677013a6ba20849ec00eb3ea1a844e26695a0