Friday, May 29, 2020

Re: Issue with GWT 2.9.0 and Annotations/Predicates emulation

I was too quick to declare victory. 

I did not realize that I was no longer building with GWT 2.9.0 due to a bad merge my pom was overwritten with 2.8.2 again.

But what you just wrote helped indeed. I was still using jsinterop-base 1.0.0-RC1 and jsinterop-annotations 1.0.0.

Thanks for the help once more. Now I have a second problem, this time with some generics that is accepted by javac or IntelliJ but GWTC seems to not support it.


On Thursday, May 28, 2020 at 8:25:37 PM UTC+2, Colin Alworth wrote:
Glad you solved yours! As another update, we've seen two other cases of something that looks sort of similar to this.

In one instance, there was a dependency in the project of an old version of jsinterop-annotations, instead of the expected 2.0.0 release.

In the other instance, the project was creating a massive "reflection cache" of all annotations - the two fixes are to either exclude the jsinterop annotations from the cache (abbreviated rant: a cache like this should be based on a whitelist, not a blacklist), or provide sources and a .gwt.xml file for the annotations.

-Colin

On Thursday, May 28, 2020 at 1:03:48 PM UTC-5, David Nouls wrote:
Strange, just retried today and now the compile worked properly.

Thanks for the support!
On 19 May 2020, 16:41 +0200, Colin Alworth <nilo...@gmail.com>, wrote:
Nothing should have changed here as far as I am aware - GWT itself continues to have emulation for Annotation, Enum, etc (Predicate doesnt seem to be listed in your error)

One change was made in .gwt.xml files with their inherits - the jsinterop-annotations jar no longer contains a .gwt.xml file, and so Core.gwt.xml no longer references it (nor did it need to to begin with).

Are you compiling with -strict, and if so, is this the entire log?

I just pulled https://github.com/nmorel/gwt-jackson/ and updated it to use gwt 2.9, and it seems to run its tests cleanly for the main gwt-jackson package, and after I also update guava, the whole build passes:
[INFO] Reactor Summary for gwt-jackson :: Extensions :: Guava 0.15.5-SNAPSHOT:
[INFO]
[INFO] gwt-jackson :: Extensions :: Guava ................. SUCCESS [ 35.796 s]
[INFO] gwt-jackson :: Extensions :: Objectify ............. SUCCESS [ 27.423 s]
[INFO] gwt-jackson :: Extensions :: Remote Logging ........ SUCCESS [ 22.288 s]
[INFO] gwt-jackson :: Examples ............................ SUCCESS [  0.241 s]
[INFO] gwt-jackson :: Examples :: Minimal ................. SUCCESS [ 11.884 s]
[INFO] gwt-jackson :: Examples :: Hello World ............. SUCCESS [ 15.610 s]
[INFO] gwt-jackson :: Examples :: GWTP .................... SUCCESS [ 17.687 s]
[INFO] gwt-jackson :: Examples :: Requestor ............... SUCCESS [ 19.848 s]
[INFO] gwt-jackson :: Examples :: RestyGWT ................ SUCCESS [ 16.277 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  02:47 min
[INFO] Finished at: 2020-05-19T09:36:53-05:00
[INFO] ------------------------------------------------------------------------

Changes I made to run this:

diff --git a/extensions/guava/pom.xml b/extensions/guava/pom.xml
index 99e928a..739b629 100644
--- a/extensions/guava/pom.xml
+++ b/extensions/guava/pom.xml
@@ -29,7 +29,7 @@
   <description>Extension to support Guava types like Optional or ImmutableSet</description>
 
   <properties>
-    <guava.version>19.0</guava.version>
+    <guava.version>29.0-jre</guava.version>
   </properties>
 
   <dependencies>
diff --git a/pom.xml b/pom.xml
index 8eb1f1d..6250ad4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,10 +86,10 @@
     <maven-deploy-plugin.version>2.8.1</maven-deploy-plugin.version>
     <maven-jar-plugin.version>2.4</maven-jar-plugin.version>
     <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
-    <gwt-maven-plugin.version>2.7.0</gwt-maven-plugin.version>
+    <gwt-maven-plugin.version>2.8.2</gwt-maven-plugin.version>
 
     <!-- Dependencies version -->
-    <gwt.version>2.7.0</gwt.version>
+    <gwt.version>2.9.0</gwt.version>
     <jackson.version>2.10.1</jackson.version>
     <javapoet.version>1.0.0</javapoet.version>
     <junit.version>4.12</junit.version>
@@ -201,6 +201,7 @@
             <testTimeOut>1000</testTimeOut>
             <!--Only required due to a GWT DateTimeFormat issue see https://github.com/gwtproject/gwt/issues/8259-->
             <extraJvmArgs>-Duser.timezone=UTC</extraJvmArgs>
+            <sourceLevel>1.8</sourceLevel>
           </configuration>
           <dependencies>
             <dependency>

So I don't think this is intrinsic to GWT 2.9.0 or gwt-jackson - can you verify that gwt-jackson itself doesn't have this issue for you?

The one "compiler mysteriously breaks" issue I'm aware of in GWT 2.9.0 is to do with gwt-unitCache not being removed when you change sourceLevel, but perhaps there is another case we are missing - you could try deleting this directory (it usually lives next to the war/ dir) and see if this resolves your issue. If so, we'd like a little more detail on how you ran your project before/after so that we can more completely solve this.

-Colin

On Saturday, May 16, 2020 at 5:00:54 AM UTC-5, David Nouls wrote:
Compiling module com.swift.cloud.platform.multitenant.event.SerializationTest.JUnit
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotation
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotation'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotationsInside
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotationsInside'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnyGetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnyGetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnySetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnySetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator
      Found type 'com.fasterxml.jackson.annotation.JsonCreator'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator.Mode
      Found type 'com.fasterxml.jackson.annotation.JsonCreator.Mode'
         [ERROR] Unable to find class java/lang/Enum
Compiling module com.swift.cloud.platform.multitenant.event.SerializationTest.JUnit
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotation
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotation'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotationsInside
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotationsInside'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnyGetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnyGetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnySetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnySetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator
      Found type 'com.fasterxml.jackson.annotation.JsonCreator'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator.Mode
      Found type 'com.fasterxml.jackson.annotation.JsonCreator.Mode'
         [ERROR] Unable to find class java/lang/Enum
Compiling module com.swift.cloud.platform.multitenant.event.SerializationTest.JUnit
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotation
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotation'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JacksonAnnotationsInside
      Found type 'com.fasterxml.jackson.annotation.JacksonAnnotationsInside'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnyGetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnyGetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonAnySetter
      Found type 'com.fasterxml.jackson.annotation.JsonAnySetter'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator
      Found type 'com.fasterxml.jackson.annotation.JsonCreator'
         [WARN] Unable to resolve interface java/lang/annotation/Annotation
   Resolving com.fasterxml.jackson.annotation.JsonCreator.Mode
      Found type 'com.fasterxml.jackson.annotation.JsonCreator.Mode'
         [ERROR] Unable to find class java/lang/Enum


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