Hi David,
I think you are trying to compile the latest code from master branch
right? A move has been made lately towards java 11 on it if I'm correct.
Try to compile and run with Java11 instead?
Regards,
Rene.
On 27/04/2020 06:06, David Leangen (Apache) wrote:
Hi!
This is the first error:
[INFO] Apache James :: Server :: Common Utilities ......... FAILURE [ 0.659 s]
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on
project james-server-util: Fatal error compiling: invalid flag: --release ->
[Help 1]
Googling tells me to comment out the “release” flag in maven-compiler-plugin,
so I try that (though I don’t understand why) and get a different error:
[INFO] Apache James :: Server :: Common Utilities ......... FAILURE [ 0.551 s]
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on
project james-server-util: Fatal error compiling: invalid target release: 11 ->
[Help 1]
Yeah, that makes sense. I am still on Java 8. So I modify the target.jdk
version to 8 and make a bit of progress:
[INFO] Apache James :: Core Domain Objects ................ FAILURE [ 0.597 s]
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile)
on project james-core: Compilation failure: Compilation failure:
[ERROR]
/Users/dleangen/libs/james-project/core/src/main/java/org/apache/james/core/builder/MimeMessageBuilder.java:[400,46]
no suitable method found for toArray(InternetAd[...]::new)
Hmmmm. This is in the code. I just want to compile, not debug at this point.
This makes me think that the project is currently being neglected. :-(
Ok, let me try to omit the core project (though that does not sound like a
promising approach).
[INFO] Apache James Cassandra backend ..................... FAILURE [ 18.471 s]
[ERROR] Failed to execute goal on project apache-james-backends-cassandra: Could
not resolve dependencies for project
org.apache.james:apache-james-backends-cassandra:jar:3.6.0-SNAPSHOT: Could not
find artifact org.apache.james:james-core:jar:3.6.0-SNAPSHOT in apache.snapshots
(https://repository.apache.org/snapshots) -> [Help 1]
Yeah, like I expected.
Ok, so try mvn eclipse:eclipse without building the project, then? I only get
this far:
[INFO] Apache James :: Test helpers for Mailet ............ FAILURE [ 1.859 s]
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-remote-resources-plugin:1.6.0:process
(process-resource-bundles) on project apache-mailet-test: Execution
process-resource-bundles of goal
org.apache.maven.plugins:maven-remote-resources-plugin:1.6.0:process failed:
Failed to resolve dependencies for one or more projects in the reactor. Reason:
Missing:
[ERROR] 1) org.apache.james:james-core:jar:3.6.0-SNAPSHOT
[ERROR] 2) org.apache.james:apache-james-mailbox-api:jar:3.6.0-SNAPSHOT
Perhaps only a simple fix is required to get everything compiling, but since I
have never yet looked at any of the code base, I don’t know. I can’t even set
it up in my Eclipse yet because I cannot run mvn eclipse:eclipse until I can
get the projects to compile.
I’m sure someone with enough motivation could figure out a way around these
issues, but I thought that the golden rule was that the project should compile
out of the box. That’s why I asked my original question.
Cheers,
=David
On Apr 27, 2020 02:39 +0900, Jerry Malcolm <techst...@malcolms.com>, wrote:
Sadly I realized a while back that it does not build out of the box.
Through much trial and error, I finally got the build to complete.
However, even with that, for some reason I still get several errors.
Apparently they aren't fatal errors. I have learned that if there is
really something wrong, the build won't complete. However, if the maven
build gets to the end, even if there were errors reported, the build
works. I would really like to understand this better. If the 'errors'
I get aren't really critical, seems they should be warnings. I build
and use James. But it doesn't give me a whole load of confidence that
there were errors in the build, even though the build doesn't abort on them.
What kind of errors are you getting? Does the build stop on those errors?
Jerry
On 4/26/2020 5:58 AM, David Leangen wrote:
Hi!
I am trying to build JAMES from HEAD using mvn install. It is my expectation
(from working with other projects) that I should just be able to build “out of
the box”.
My first question: is my expectation correct? Am I supposed to be able to build
JAMES without any compilation errors?
If so, is anybody willing to help me understand the problems so I can make PRs
to fix the build issues?
If not: what is the expected path to be able to use the source code. It is not
clear to me from the documentation (which only seems to discuss building the
websites).
Thanks!
=David
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