问题描述
问题描述如下，
使用的依赖项：
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
我有一个 pojo，它是更大的域对象的一部分，并暴露于某些端点，
@Builder(toBuilder = true)
@Value
public class SomeStatus {
@NonFinal
@Builder.Default
@JsonIgnore
private Set<InvalidReason> statusReasons = new HashSet<>();
public Set<InvalidReason> getInvalidReasons() {
return statusReasons.stream()
.filter(invalidReason -> invalidReason.getSeverityLevel().equals(SeverityLevel.INVALID))
.collect(Collectors.toSet());
}
public Set<InvalidReason> getHints() {
return statusReasons.stream().filter(invalidReason -> invalidReason.getSeverityLevel().equals(SeverityLevel.HINT))
.collect(Collectors.toSet());
}
public boolean isValid() {
return CollectionUtils.isEmpty(getInvalidReasons());
}
}
我在这里需要的是，我不想公开 statusReasons，但我已经创建了 getter 方法，例如 getInvalidReasons 和 getHints，然后应该使用各自的端点公开。
我有以下失败的 Json 测试用例，
@Test
public void someStatusJsontest() throws Exception {
SomeStatus status = random(SomeStatus.class);
String string = om.writeValueAsstring(status);
SomeStatus readBack = om.readValue(string,SomeStatus.class);
assertthat(readBack,is(status));
}
堆栈跟踪：
com.fasterxml.jackson.databind.exc.ValueInstantiationException: Cannot construct instance of `com.bosch.dras.sbf.domain.SbfStatus`,problem: Should never call `set()` on setterless property ('hints')
at [Source: (StringReader); line: 1,column: 1538260] (through reference chain: com.bosch.dras.sbf.domain.DeliveryOption["sbf"]->com.bosch.dras.sbf.domain.Sbf["sbfStatus"])
at com.fasterxml.jackson.databind.exc.ValueInstantiationException.from(ValueInstantiationException.java:47)
at com.fasterxml.jackson.databind.DeserializationContext.instantiationException(DeserializationContext.java:1758)
at com.fasterxml.jackson.databind.DeserializationContext.handleInstantiationProblem(DeserializationContext.java:1128)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.wrapInstantiationProblem(BeanDeserializerBase.java:1769)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:492)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializefromObjectUsingNonDefault(BeanDeserializerBase.java:1322)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializefromObject(BeanDeserializer.java:331)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:164)
at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:542)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeWithErrorWrapping(BeanDeserializer.java:535)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:419)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializefromObjectUsingNonDefault(BeanDeserializerBase.java:1322)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializefromObject(BeanDeserializer.java:331)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:164)
at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:542)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeWithErrorWrapping(BeanDeserializer.java:535)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:419)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializefromObjectUsingNonDefault(BeanDeserializerBase.java:1322)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializefromObject(BeanDeserializer.java:331)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:164)
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4526)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3468)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3436)
at com.bosch.dras.sbf.domain.DeliveryOptionTest.test(DeliveryOptionTest.java:30)
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:688)
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$6(TestMethodTestDescriptor.java:210)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:206)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:131)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:65)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.EngineExecutionorchestrator.execute(EngineExecutionorchestrator.java:108)
at org.junit.platform.launcher.core.EngineExecutionorchestrator.execute(EngineExecutionorchestrator.java:88)
at org.junit.platform.launcher.core.EngineExecutionorchestrator.lambda$execute$0(EngineExecutionorchestrator.java:54)
at org.junit.platform.launcher.core.EngineExecutionorchestrator.withInterceptedStreams(EngineExecutionorchestrator.java:67)
at org.junit.platform.launcher.core.EngineExecutionorchestrator.execute(EngineExecutionorchestrator.java:52)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:84)
at org.eclipse.jdt.internal.junit5.runner.junit5TestReference.run(junit5TestReference.java:98)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:542)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:770)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:464)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:210)
Caused by: java.lang.UnsupportedOperationException: Should never call `set()` on setterless property ('hints')
at com.fasterxml.jackson.databind.deser.impl.Setterlessproperty.set(Setterlessproperty.java:147)
at com.fasterxml.jackson.databind.deser.impl.PropertyValue$Regular.assign(PropertyValue.java:62)
at com.fasterxml.jackson.databind.deser.impl.PropertyBasedCreator.build(PropertyBasedCreator.java:211)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:490)
... 86 more
我必须承认，当序列化反序列化发生时，我不太了解引擎盖下发生的事情。
我尝试使用 SO 中可用的一些选项来明确提及 @JsonProperty 和 @JsonIgnoreProperties(allowSetters = true) 但它们都没有解决我的问题。由于缺乏这种情况的经验，我也无法应用其他解决方案。
提示：- 如果我从 @JsonIgnore 属性中删除 statusReasons，一切正常。我确实理解它们之间存在一些依赖关系，但无法找到根本原因。
非常感谢任何进一步的帮助。如果我需要提供更多详细信息，请告诉我。
更新：
public enum InvalidReason {
MISSING_SOMETHING_FOR_AN_ENTITY(SeverityLevel.INVALID),INCOTERM_NOT_STANDARD(SeverityLevel.HINT),CUSTOMER_NOT_SPECIFIED(SeverityLevel.INVALID),WAREHOUSES_NOT_MATCHING(SeverityLevel.INVALID);
@Getter
private final SeverityLevel severityLevel;
InvalidReason(SeverityLevel severityLevel) {
this.severityLevel = severityLevel;
}
}
public enum SeverityLevel {
INVALID,HINT,}
解决方法
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