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Posted to dev@johnzon.apache.org by "James Baker (Jira)" <ji...@apache.org> on 2020/03/27 08:50:00 UTC
[jira] [Created] (JOHNZON-309) Yasson compliant Adapter fails with
Johnzon
James Baker created JOHNZON-309:
-----------------------------------
Summary: Yasson compliant Adapter fails with Johnzon
Key: JOHNZON-309
URL: https://issues.apache.org/jira/browse/JOHNZON-309
Project: Johnzon
Issue Type: Bug
Components: JSON-B
Affects Versions: 1.2.3
Environment: Operating System: Ubuntu 18.04.04
Java: 11.0.4
Reporter: James Baker
I have written a simple adapter to allow the serialization and deserialization of Java Path objects. The adapter works fine using Yasson (which claims to be a reference implementation), but both serialization and deserialization fail in Johnzon.
Serialization results in a StackOverflowError:
{noformat}
java.lang.StackOverflowError
at org.apache.johnzon.core.JsonGeneratorImpl.currentState(JsonGeneratorImpl.java:676)
at org.apache.johnzon.core.JsonGeneratorImpl.prepareValue(JsonGeneratorImpl.java:641)
at org.apache.johnzon.core.JsonGeneratorImpl.writeStartArray(JsonGeneratorImpl.java:161)
at org.apache.johnzon.mapper.MappingGeneratorImpl.doWriteIterable(MappingGeneratorImpl.java:682)
at org.apache.johnzon.mapper.MappingGeneratorImpl.doWriteObject(MappingGeneratorImpl.java:156)
at org.apache.johnzon.mapper.MappingGeneratorImpl.writeItem(MappingGeneratorImpl.java:672)
at org.apache.johnzon.mapper.MappingGeneratorImpl.doWriteIterable(MappingGeneratorImpl.java:691)
at org.apache.johnzon.mapper.MappingGeneratorImpl.doWriteObject(MappingGeneratorImpl.java:156)
at org.apache.johnzon.mapper.MappingGeneratorImpl.writeItem(MappingGeneratorImpl.java:672)
at org.apache.johnzon.mapper.MappingGeneratorImpl.doWriteIterable(MappingGeneratorImpl.java:691)
...{noformat}
Deserialization results in an IllegalArgumentException:
{noformat}
java.lang.IllegalArgumentException: Unsupported "/example/file.txt" for type interface java.nio.file.Path
at org.apache.johnzon.mapper.MappingParserImpl.readObject(MappingParserImpl.java:238)
at org.apache.johnzon.mapper.MappingParserImpl.readObject(MappingParserImpl.java:139)
at org.apache.johnzon.mapper.MappingParserImpl.readObject(MappingParserImpl.java:131)
at org.apache.johnzon.mapper.Mapper.mapObject(Mapper.java:371)
at org.apache.johnzon.mapper.Mapper.readObject(Mapper.java:297)
at org.apache.johnzon.mapper.Mapper.readObject(Mapper.java:292)
at org.apache.johnzon.jsonb.JohnzonJsonb.fromJson(JohnzonJsonb.java:77)
at org.example.json.serialization.PathAdapterTest.testDeserialize(PathAdapterTest.java:25)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)
at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:212)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:208)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:137)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:71)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:135)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248)
at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211)
at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
{noformat}
The code is as follows:
*PathAdapter.java*
{code:java}
package org.example.json.serialization;
import javax.json.Json;
import javax.json.JsonString;
import javax.json.bind.adapter.JsonbAdapter;
import java.nio.file.Path;
public class PathAdapter implements JsonbAdapter<Path, JsonString> {
@Override
public JsonString adaptToJson(Path path) {
return Json.createValue(path.toString());
}
@Override
public Path adaptFromJson(JsonString jsonString) {
return Path.of(jsonString.getString());
}
}
{code}
*PathAdapterTest.java*
{code:java}
package org.example.json.serialization;
import org.junit.jupiter.api.Test;
import javax.json.bind.Jsonb;
import javax.json.bind.JsonbBuilder;
import javax.json.bind.JsonbConfig;
import java.nio.file.Path;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class PathAdapterTest {
private static final String PATH = "/example/file.txt";
private static final Path P_PATH = Path.of(PATH);
private static final Jsonb JSONB = JsonbBuilder.create(new JsonbConfig().withAdapters(new PathAdapter()));
@Test
public void testSerialize(){
assertEquals("\"" + PATH + "\"", JSONB.toJson(P_PATH));
}
@Test
public void testDeserialize(){
assertEquals(P_PATH, JSONB.fromJson("\"" + PATH + "\"", Path.class));
}
}
{code}
*pom.xml*
{code:java}
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>jsonb-adapter-test</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>javax.json</groupId>
<artifactId>javax.json-api</artifactId>
<version>1.1.4</version>
</dependency>
<dependency>
<groupId>javax.json.bind</groupId>
<artifactId>javax.json.bind-api</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>org.apache.johnzon</groupId>
<artifactId>johnzon-jsonb</artifactId>
<version>1.2.3</version>
</dependency>
<!--<dependency>
<groupId>org.eclipse</groupId>
<artifactId>yasson</artifactId>
<version>1.0.6</version>
</dependency>-->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>5.6.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
{code}
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