With
  https://gerrit.ovirt.org/#/c/74619/

applied, following is still failing:
  make gwt-debug DEBUG_MODULE=webadmin DEV_EXTRA_BUILD_FLAGS_GWT_DEFAULTS="-Dgwt.cssResourceStyle=pretty -Dgwt.userAgent=gecko1_8"

with message:
[WARNING] The requested profile "gwt-user" could not be activated because it does not exist.
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (checkstyle) on project webadmin: Failed during checkstyle configuration: Exception was thrown while processing /home/mlibra/IdeaProjects/ovirt-engine/frontend/webadmin/modules/gwt-extension/src/main/java/org/ovirt/engine/ui/uioverrides/org/slf4j/Logger.java: can't parse argument number: For input string: "" -> [Help 1]

Any hint, please?

Marek

On Fri, Mar 24, 2017 at 4:14 PM, Vojtech Szocs <vszocs@redhat.com> wrote:

On Fri, Mar 24, 2017 at 3:51 PM, Vojtech Szocs <vszocs@redhat.com> wrote:

Found the problem after debugging NlsCheck.

First of all, it checks all kinds of Java sources, including the generated ones. That's silly and one of the reasons why Checkstyle execution takes a rather long time. I'll fix that.

Next, when checking a Java source that contains string "{}" (without quotes) it will log the problem, but Checkstyle message logging infra things that "{}" is a placeholder to resolve, but it's not, and it fails on NumberFormatException. I'll fix that too.

​https://gerrit.ovirt.org/#/c/74611/​

Vojtech

On Fri, Mar 24, 2017 at 3:19 PM, Vojtech Szocs <vszocs@redhat.com> wrote:

Hi Allon,

I think I found some strange Checkstyle related problems on master.

Engine build with (GWT compilation enabled) works OK.

Next, trying to start GWT debugger:

$ make gwt-debug DEBUG_MODULE=webadmin \
  DEV_EXTRA_BUILD_FLAGS_GWT_DEFAULTS="-Dgwt.userAgent=gecko1_8,safari" \
  DEV_EXTRA_BUILD_FLAGS="-Dgwt.logLevel=INFO -Dgwt.locale=en_US -Dgwt.compiler.localWorkers=1" \
  DEV_BUILD_GWT_SUPER_DEV_MODE=1

maven-checkstyle-plugin:check execution fails on

  frontend/webadmin/modules/gwt-extension/src/main/java/org/ovirt/engine/ui/uioverrides/org/ovirt/engine/core/compat/FormatterDotnet.java
  can't parse argument number: (\\d)\\: For input string: "(\\d)\\"

the class isn't used, removed it, retry. Now it fails on:

  frontend/webadmin/modules/gwt-extension/src/main/java/org/ovirt/engine/ui/uioverrides/org/slf4j/Logger.java
  can't parse argument number: For input string: ""

I guess it's a bug in our NON-NLS check? But why doesn't the problem occur during Engine build?

I'm thinking about disabling Checkstyle for gwt-extension module, as it contains custom GWT RPC serializers and GWT class overrides, and maybe the file path src/main/java/org/ovirt/engine/ui/uioverrides/here/goes/actual/pkg is confusing the Checkstyle now.

Thanks,

Vojtech

On Wed, Mar 22, 2017 at 10:33 PM, Allon Mureinik <amureini@redhat.com> wrote:

Hi all,

As per [1], I've just merged a series of patches that upgrades the oVirt engine to use the latest maven-checkstyle-plugin and checkstyle packages.

Please note that the newer checkstyle is a tad stricter than the old one we used to have (read: it contains several fixes for bugs where the old checkstyle was supposed to find issues but missed them).

I also took the opportunity and added a couple of new checks that enforce rules we were de-facto adhering to anyway.

If any problems come up, please let me know.

-Your friendly neighborhood cleanup dude

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1433408

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