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https://issues.apache.org/jira/browse/SLING-12173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17792131#comment-17792131
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Robert Munteanu commented on SLING-12173:
-----------------------------------------
OK, scratch that, I did a small POC with Parsson and I get the same problem
{noformat}java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider:
org.eclipse.parsson.JsonProviderImpl not a subtype
at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:593)
at
java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1244)
at
java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1273)
at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1309)
at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1393)
at jakarta.json.spi.JsonProvider.provider(JsonProvider.java:69)
at jakarta.json.Json.createReader(Json.java:189){noformat}
This is very likely an Eclipse IDE problem.
> Switch JSON parser implementation away from Apache Johnzon
> ----------------------------------------------------------
>
> Key: SLING-12173
> URL: https://issues.apache.org/jira/browse/SLING-12173
> Project: Sling
> Issue Type: Improvement
> Components: Maven Plugins and Archetypes
> Reporter: Robert Munteanu
> Assignee: Robert Munteanu
> Priority: Major
> Fix For: OSGi Feature Maven Plugin 1.8.2
>
>
> The slingfeature-maven-plugin currently uses the Jakarta JSON implementation
> of the Apache Johnzon parser. This works very well in 'clean' classpaths.
> This is however problematic when both the jakarta.json and javax.json Johnzon
> parser end up on the same classpath.
> The main jar has the following entry
> - META-INF/services/javax.json.spi.JsonProvider =
> org.apache.johnzon.core.JsonProviderImpl
> The {{-jakarta}} jar has the following entry
> - META-INF/services/jakarta.json.spi.JsonProvider =
> org.apache.johnzon.core.JsonProviderImpl
> I have mostly seen this in the Eclipse IDE, where projects fail to update
> with hard to isolate errors (see below). As a workaround, we could switch to
> a different implementation.
> {noformat}java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider:
> org.apache.johnzon.core.JsonProviderImpl not a subtype
> at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:593)
> at
> java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1244)
> at
> java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1273)
> at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1309)
> at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1393)
> at jakarta.json.spi.JsonProvider.provider(JsonProvider.java:69)
> at jakarta.json.Json.createReader(Json.java:189)
> at
> org.apache.sling.feature.maven.JSONFeatures.read(JSONFeatures.java:64)
> at
> org.apache.sling.feature.maven.ProjectHelper.readFeatureFile(ProjectHelper.java:622)
> at
> org.apache.sling.feature.maven.Preprocessor.readProjectFeatures(Preprocessor.java:304)
> at
> org.apache.sling.feature.maven.Preprocessor.process(Preprocessor.java:145)
> at
> org.apache.sling.feature.maven.Preprocessor.process(Preprocessor.java:110)
> at
> org.apache.sling.feature.maven.extensions.DependencyLifecycleParticipant.afterProjectsRead(DependencyLifecycleParticipant.java:87)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.executeParticipants(ProjectRegistryManager.java:824)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.lambda$15(ProjectRegistryManager.java:791)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:275)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:214)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.lambda$14(ProjectRegistryManager.java:790)
> at java.base/java.util.HashMap$Values.forEach(HashMap.java:1065)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.lambda$11(ProjectRegistryManager.java:788)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:275)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:214)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.readMavenProjectFacades(ProjectRegistryManager.java:760)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:392)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:366)
> at
> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:318)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.getProjectFacade(MavenBuilder.java:146)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.lambda$0(MavenBuilder.java:84)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:275)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:214)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:83)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:192)
> at
> org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:1079)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:296)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:352)
> at
> org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:441)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:444)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:555)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:503)
> at
> org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:585)
> at
> org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:207)
> at
> org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:300)
> at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63){noformat}
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