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Description
Hi all,
I'm having the following generic base class:
public class BaseFoo<T extends Serializable> {
@Id
private T id;
//constructor and setters
}
and an implementation
public class Foo extends BaseFoo<Integer>{
private String name;
//constructor and setters
}
I get the following exception when saving a Foo
entity:
java.lang.RuntimeException: Unable to invoke no-args constructor for interface java.io.Serializable. Register an InstanceCreator with Gson for this type may fix this problem.
at com.google.gson.internal.ConstructorConstructor$12.construct(ConstructorConstructor.java:210)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:186)
at com.google.gson.Gson.fromJson(Gson.java:810)
at com.google.gson.Gson.fromJson(Gson.java:875)
at com.google.gson.Gson$1.deserialize(Gson.java:128)
at org.javers.core.json.typeadapter.commit.GlobalIdTypeAdapter.parseInstanceId(GlobalIdTypeAdapter.java:68)
at org.javers.core.json.typeadapter.commit.GlobalIdTypeAdapter.fromJson(GlobalIdTypeAdapter.java:43)
at org.javers.core.json.typeadapter.commit.GlobalIdTypeAdapter.fromJson(GlobalIdTypeAdapter.java:19)
at org.javers.core.json.JsonConverterBuilder$2.deserialize(JsonConverterBuilder.java:144)
at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:58)
at com.google.gson.Gson.fromJson(Gson.java:810)
at com.google.gson.Gson.fromJson(Gson.java:875)
at com.google.gson.Gson$1.deserialize(Gson.java:128)
at org.javers.core.json.typeadapter.commit.CdoSnapshotTypeAdapter.fromJson(CdoSnapshotTypeAdapter.java:48)
at org.javers.core.json.typeadapter.commit.CdoSnapshotTypeAdapter.fromJson(CdoSnapshotTypeAdapter.java:22)
at org.javers.core.json.JsonConverterBuilder$2.deserialize(JsonConverterBuilder.java:144)
at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:58)
at com.google.gson.Gson.fromJson(Gson.java:810)
at com.google.gson.Gson.fromJson(Gson.java:775)
at com.google.gson.Gson.fromJson(Gson.java:724)
at com.google.gson.Gson.fromJson(Gson.java:696)
at org.javers.core.json.JsonConverter.fromJson(JsonConverter.java:77)
at org.javers.repository.mongo.MongoRepository.readFromDBObject(MongoRepository.java:184)
at org.javers.repository.mongo.MongoRepository.getLatest(MongoRepository.java:241)
at org.javers.repository.mongo.MongoRepository.getLatest(MongoRepository.java:79)
at org.javers.repository.api.JaversExtendedRepository.getLatest(JaversExtendedRepository.java:100)
at org.javers.core.snapshot.GraphShadowFactory.createLatestShadow(GraphShadowFactory.java:32)
at org.javers.core.snapshot.GraphSnapshotFacade.createLatestShadow(GraphSnapshotFacade.java:22)
at org.javers.core.commit.CommitFactory.create(CommitFactory.java:76)
at org.javers.core.JaversCore.commit(JaversCore.java:62)
at org.javers.spring.auditable.aspect.OnSaveAuditChangeHandler.handle(OnSaveAuditChangeHandler.java:17)
at org.javers.spring.auditable.aspect.JaversAuditableRepositoryAspect.applyVersionChange(JaversAuditableRepositoryAspect.java:93)
at org.javers.spring.auditable.aspect.JaversAuditableRepositoryAspect.applyVersionChanges(JaversAuditableRepositoryAspect.java:88)
at org.javers.spring.auditable.aspect.JaversAuditableRepositoryAspect.onVersionEvent(JaversAuditableRepositoryAspect.java:70)
at org.javers.spring.auditable.aspect.JaversAuditableRepositoryAspect.onSaveExecuted(JaversAuditableRepositoryAspect.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:603)
at org.springframework.aop.aspectj.AspectJAfterAdvice.invoke(AspectJAfterAdvice.java:46)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy41.save(Unknown Source)
at BasicTest.testRepo(BasicTest.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:85)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:86)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:241)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at com.google.gson.internal.UnsafeAllocator$1.newInstance(UnsafeAllocator.java:48)
at com.google.gson.internal.ConstructorConstructor$12.construct(ConstructorConstructor.java:207)
... 79 more
Caused by: java.lang.InstantiationException: java.io.Serializable
at sun.misc.Unsafe.allocateInstance(Native Method)
... 85 more
Any idea why it can figure out the type it has to deserialize into?