GimoXie commented on issue #1085:
URL: https://github.com/apache/fury/issues/1085#issuecomment-2699696402
## Fury Version
0.7.1
## JDK Version
21
## Problem Description
When using Fury for serialization, a NullPointerException occurred. Here is
the error message:
`java.lang.NullPointerException
at
org.apache.fury.resolver.ClassResolver.createSerializer(ClassResolver.java:1177)
at
org.apache.fury.resolver.ClassResolver.getClassInfo(ClassResolver.java:1108)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.writeTypeHeader(AbstractCollectionSerializer.java:203)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.writeElementsHeader(AbstractCollectionSerializer.java:135)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.writeElements(AbstractCollectionSerializer.java:310)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.write(AbstractCollectionSerializer.java:305)
at org.apache.fury.Fury.writeNonRef(Fury.java:475)
at
org.apache.fury.serializer.ObjectSerializer.writeContainerFieldValue(ObjectSerializer.java:213)
at
org.apache.fury.serializer.ObjectSerializer.writeContainerFields(ObjectSerializer.java:195)
at
org.apache.fury.serializer.ObjectSerializer.write(ObjectSerializer.java:146)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.writeSameTypeElements(AbstractCollectionSerializer.java:404)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.generalJavaWrite(AbstractCollectionSerializer.java:391)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.javaWriteWithGenerics(AbstractCollectionSerializer.java:369)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.writeElements(AbstractCollectionSerializer.java:318)
at
org.apache.fury.serializer.collection.AbstractCollectionSerializer.write(AbstractCollectionSerializer.java:305)
at org.apache.fury.Fury.writeNonRef(Fury.java:475)
at
org.apache.fury.serializer.ObjectSerializer.writeContainerFieldValue(ObjectSerializer.java:213)
at
org.apache.fury.serializer.ObjectSerializer.writeContainerFields(ObjectSerializer.java:195)
at
org.apache.fury.serializer.ObjectSerializer.write(ObjectSerializer.java:146)
at org.apache.fury.Fury.writeData(Fury.java:584)
at org.apache.fury.Fury.write(Fury.java:347)
at org.apache.fury.Fury.serialize(Fury.java:269)
at org.apache.fury.Fury.lambda$serialize$0(Fury.java:285)
at org.apache.fury.Fury.serializeToStream(Fury.java:1427)
at org.apache.fury.Fury.serialize(Fury.java:285)
at com.ctrip.fury.FuryTest.testFurySerialize2(FuryTest.java:50)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
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$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)
at
com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)
at
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)`
## Sample Code
`/**
* {
* "holderList": [
* {
* "dataList": [
* null
* ]
* }
* ]
* }
*/
public class FuryTest {
@Test
public void testFurySerialize2() throws IOException {
Fury fury = Fury.builder()
.withLanguage(Language.JAVA)
.withRefTracking(true)
.withCompatibleMode(CompatibleMode.COMPATIBLE)
.withDeserializeNonexistentClass(true)
.requireClassRegistration(false)
.withAsyncCompilation(true)
.build();
List<Data> dataList = new ArrayList<>();
dataList.add(null);
DataHolder holder = new DataHolder();
holder.setDataList(dataList);
FuryTestResponse response = new FuryTestResponse();
response.setHolderList(Lists.newArrayList(holder));
fury.serialize(new
CountingOutputStream(newOutputStream(Paths.get("test"))), response);
}
@Getter
@Setter
class Data {
private String message;
}
@Getter
@Setter
class DataHolder {
private List<Data> dataList;
}
@Getter
@Setter
class FuryTestResponse {
private List<DataHolder> holderList;
}
}`
Thank you for your time and effort in looking into this issue. I appreciate
your help in resolving this problem.
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