Robert Munteanu created SLING-12173:
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Summary: Switch JSON parser implemetation 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
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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