`NullPointerException` from `ResolvedRecursiveType` (regression due to fix for #2331) #2395

michael-simons · 2019-07-29T12:05:23Z

Hello,

the backport for #2331 into 2.9.9, specific 2.9.9.2, which comes through 2.9.9.20190727, leads to a null pointer exception together with the JDK 8 module:

Given

package ac.simons;

import java.io.IOException;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;

public class JacksonTest {

	@Test
	void shouldWorkWithoutJdk8Module() throws IOException {
		ObjectMapper objectMapper = new ObjectMapper();

		final JsonNode responseNode = objectMapper.readTree("{}");
		Assertions.assertNotNull(responseNode);
	}

	@Test
	void shouldWorkWithJdk8Module() throws IOException {
		ObjectMapper objectMapper = new ObjectMapper()
			.registerModule(new Jdk8Module());

		final JsonNode responseNode = objectMapper.readTree("{}");
		Assertions.assertNotNull(responseNode);
	}
}

It doesn't matter whether the object to be parsed is empty as above or contains data as for example

final JsonNode responseNode = objectMapper.readTree("{\"something\":\"foobar\"}");

Works with com.fasterxml.jackson:jackson-bom:2.9.9 and breaks with com.fasterxml.jackson:jackson-bom:2.9.9.20190727:

java.lang.NullPointerException
	at com.fasterxml.jackson.databind.type.ResolvedRecursiveType.getBindings(ResolvedRecursiveType.java:42)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1243)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromParamType(TypeFactory.java:1452)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1221)
	at com.fasterxml.jackson.databind.type.TypeFactory._resolveSuperInterfaces(TypeFactory.java:1367)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromClass(TypeFactory.java:1314)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1217)
	at com.fasterxml.jackson.databind.type.TypeFactory.constructType(TypeFactory.java:631)
	at com.fasterxml.jackson.databind.cfg.MapperConfig.constructType(MapperConfig.java:281)
	at com.fasterxml.jackson.databind.cfg.MapperConfig.introspectClassAnnotations(MapperConfig.java:311)
	at com.fasterxml.jackson.databind.deser.BasicDeserializerFactory.findTypeDeserializer(BasicDeserializerFactory.java:1571)
	at com.fasterxml.jackson.databind.DeserializationContext.findRootValueDeserializer(DeserializationContext.java:483)
	at com.fasterxml.jackson.databind.ObjectMapper._findRootDeserializer(ObjectMapper.java:4191)
	at com.fasterxml.jackson.databind.ObjectMapper._readTreeAndClose(ObjectMapper.java:4052)
	at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2552)
	at ac.simons.JacksonTest.shouldWorkWithJdk8Module(JacksonTest.java:27)
	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.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:675)
	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:125)
	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:132)
	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:124)
	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:74)
	at org.junit.jupiter.engine.execution.ExecutableInvoker$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:104)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:62)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:43)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:35)
	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$6(TestMethodTestDescriptor.java:202)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:198)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:69)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$8(NodeTestTask.java:123)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$8(NodeTestTask.java:123)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$8(NodeTestTask.java:123)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
	at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
	at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:229)
	at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$6(DefaultLauncher.java:197)
	at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:211)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:191)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128)
	at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:69)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

Please find a sample project attached.

jacksonissue.zip

The text was updated successfully, but these errors were encountered:

VanCoding · 2019-07-29T12:45:54Z

I can confirm this bug. I just wasted my morning trying to find out what's going on. Turned out to be the 2.9.9.2 release.

chriskessel · 2019-07-29T15:23:42Z

Confirmed here too. Using JDK 11. In my case, when Dropwizard is trying to parse its yml config file:

java.lang.NullPointerException
	at com.fasterxml.jackson.databind.type.ResolvedRecursiveType.getBindings(ResolvedRecursiveType.java:42)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1243)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromParamType(TypeFactory.java:1452)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1221)
	at com.fasterxml.jackson.databind.type.TypeFactory._resolveSuperInterfaces(TypeFactory.java:1367)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromClass(TypeFactory.java:1314)
	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1217)
	at com.fasterxml.jackson.databind.type.TypeFactory.constructType(TypeFactory.java:631)
	at com.fasterxml.jackson.databind.cfg.MapperConfig.constructType(MapperConfig.java:281)
	at com.fasterxml.jackson.databind.cfg.MapperConfig.introspectClassAnnotations(MapperConfig.java:311)
	at com.fasterxml.jackson.databind.deser.BasicDeserializerFactory.findTypeDeserializer(BasicDeserializerFactory.java:1571)
	at com.fasterxml.jackson.databind.DeserializationContext.findRootValueDeserializer(DeserializationContext.java:483)
	at com.fasterxml.jackson.databind.ObjectMapper._findRootDeserializer(ObjectMapper.java:4191)
	at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3980)
	at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2385)
	at io.dropwizard.configuration.BaseConfigurationFactory.build(BaseConfigurationFactory.java:81)```

rkraneis · 2019-07-29T15:37:29Z

We are also affected.

chadlwilson · 2019-07-29T15:47:53Z

In our case the issue is observed using spring-data-redis's Jackson2HashMapper; but looks like a similar problem; details here.

(Edit: just checked and we initialize our Jackson2HashMapper with the default ObjectMapper injected via Spring; which itself has the JDK8 module registered by default via the Jackson2ObjectMapperBuilder's "well-known modules" support; so it seems quite possible it's the same root cause.)

It would also be good if we could get the changelog fixed too; the change that broke this was incorrectly included in the changelog for 2.9.9.1 - not 2.9.9.2 when it was actually released.

cowtowncoder · 2019-07-29T21:13:06Z

I'll update the changelog first. Reproduction with Java8 module is interesting since it is unclear why and how that should have any effect (obviously basic readTree() functionality is heavily tested in databind itself, but won't fail somehow).

I will start with the test case but will need to figure out how to reproduce without other modules as tests from jackson-databind can not rely on modules (which depend on databind).

cowtowncoder · 2019-07-30T03:25:56Z

I can reproduce this: looks like NPE is indirectly triggered by call to JavaType.getBindings();, which is not needed if no TypeModifiers registered. Bit odd that existing test class TestTypeModifiers does NOT somehow hit that... which is too bad as that would have caught the problem.

cowtowncoder · 2019-07-30T03:40:23Z

Ah. This is due to JsonNode having recursive self-reference via Iterable<JsonNode>.

rkraneis · 2019-07-30T06:55:44Z

Great response time! 🚀

michael-simons · 2019-07-30T06:57:04Z

Indeed. Shit happens, and this is has been dealt with. Thank you, @cowtowncoder !

mp911de · 2019-07-30T14:39:42Z

Do you have an indication about availability in a release?

cowtowncoder · 2019-07-30T17:59:56Z

I'll have to think about timing a bit. There haven't been too many fixes aside from this one critical one, so it'll probably be 2.9.9.3 with matching jackson-bom; this is relatively light-weight thing to do (an hour or so). But I'd like to see if there are any fixes that would be backported in 2.9 jackson-databind since there will be another release.

But I think I will release that micro-patch by end of this week (so within 6 days).

mp911de · 2019-07-30T18:12:33Z

Thanks a lot!

FasterXML/jackson-databind#2387 https://issues.apache.org/jira/browse/BEAM-7880 FasterXML/jackson-databind#2395

iemejia · 2019-08-04T20:27:27Z

Any plans to release 2.9.9.3 soon?

ryanscott72 · 2019-08-05T14:17:12Z

^

cowtowncoder · 2019-08-06T01:59:30Z

2.9.9.3 of jackson-databind out with matching jackson-bom, as per:

https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.9

iemejia · 2019-08-06T07:02:08Z

Thanks @cowtowncoder !

snicoll · 2019-08-06T09:06:02Z

Bummer @cowtowncoder, the new bom still refers to 2.9.9.2 as far as I can see, see FasterXML/jackson-bom#24

cowtowncoder · 2019-08-06T14:49:10Z

Oh... f. Ok. How did I manage to do that. Joys of manual releases. Will need to release another pom. Thank you for reporting this.

cowtowncoder · 2019-08-06T14:55:11Z

2.9.9.20190807 on its way now.

snicoll · 2019-08-06T16:13:49Z

Thanks for the quick turnaround @cowtowncoder

__Motivation__ A regression has been introduced in 2.9.9.2 and fixed in 2.9.9.3 See: FasterXML/jackson-databind#2395

* Bumped Jackson databank version to resolve CVE-2019-14379 * Fix NPE FasterXML/jackson-databind#2395

* Bumped Jackson databind version to resolve CVE-2019-14379 * Fix NPE FasterXML/jackson-databind#2395

Some downstream components are hitting the following regression in 2.9.9.2 FasterXML/jackson-databind#2395

Updated `jackson-databind` version to `2.9.9.3` which contains fix for [this regression](FasterXML/jackson-databind#2395).

Update to the latest [micro-patch](https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.9#micro-patches) of jackson-databind 2.9.9.3 to fix a regression FasterXML/jackson-databind#2395 Signed-off-by: Jorge Solorzano <[email protected]>

michael-simons referenced this issue Jul 29, 2019

Bacport #2331 in 2.9 (for 2.9.10)

dd4c5ac

cowtowncoder added 2.9 labels Jul 29, 2019

cowtowncoder added a commit that referenced this issue Jul 30, 2019

trying to reproduce #2395

ffcdaad

cowtowncoder changed the title ~~Databind 2.9.9.2 breaks Jdk8 module with NullPointerException.~~ NullPointerException from ResolvedRecursiveType (regression due to fix for #2331) Jul 30, 2019

cowtowncoder removed the ACTIVE label Jul 30, 2019

cowtowncoder added this to the 2.9.9.3 milestone Jul 30, 2019

cowtowncoder closed this as completed in 68b1f71 Jul 30, 2019

michael-simons mentioned this issue Jul 30, 2019

Upgrade to Jackson 2.9.9.20190807 spring-projects/spring-boot#17698

Closed

plokhotnyuk mentioned this issue Jul 30, 2019

Update jackson-databind to 2.9.9.2 playframework/play-json#303

Merged

This was referenced Jul 30, 2019

Update jackson-databind to 2.9.9.2 playframework/playframework#9510

Closed

Revert to jackson-databind 2.9.9.1 playframework/play-json#304

Merged

callunity mentioned this issue Aug 2, 2019

Hiseq workflow type miso-lims/runscanner#79

Merged

based2 added a commit to based2/checker-maven-plugin that referenced this issue Aug 3, 2019

fix jackson-databind to 2.9.9.2 CVE-2019-14379

193d094

FasterXML/jackson-databind#2387 https://issues.apache.org/jira/browse/BEAM-7880 FasterXML/jackson-databind#2395

iemejia mentioned this issue Aug 4, 2019

[BEAM-7880] Upgrade Jackson databind to version 2.9.9.3 apache/beam#9229

Merged

snicoll mentioned this issue Aug 6, 2019

BOM 2.9.9.20190806 refers to previous jackson-databind release FasterXML/jackson-bom#24

Closed

msymons mentioned this issue Aug 6, 2019

jackson-databind: CVE-2019-14379 and CVE-2019-14439 OSSIndex/vulns#24

Closed

cowtowncoder mentioned this issue Aug 6, 2019

Databind 2.9.9.2 not working with Spring Boot 2.1 - "No converter found for return value of type: class com.fasterxml.jackson.databind.node.ObjectNode #2412

Closed

ddossot mentioned this issue Aug 6, 2019

Update Jackson to 2.9.9.3 apple/servicetalk#722

Merged

ddossot added a commit to apple/servicetalk that referenced this issue Aug 6, 2019

Update Jackson to 2.9.9.3 (#722)

84bac7f

__Motivation__ A regression has been introduced in 2.9.9.2 and fixed in 2.9.9.3 See: FasterXML/jackson-databind#2395

doncem added a commit to hmcts/send-letter-service that referenced this issue Aug 7, 2019

Fix NPE FasterXML/jackson-databind#2395

736f3c3

nitinprabhu added a commit to hmcts/send-letter-service that referenced this issue Aug 7, 2019

Bumped Jackson databind version to resolve CVE-2019-14379 (#511)

c8aa3ab

* Bumped Jackson databank version to resolve CVE-2019-14379 * Fix NPE FasterXML/jackson-databind#2395

nitinprabhu added a commit to hmcts/bulk-scan-processor that referenced this issue Aug 7, 2019

Fix NPE FasterXML/jackson-databind#2395

4d6bbd4

nitinprabhu added a commit to hmcts/bulk-scan-processor that referenced this issue Aug 7, 2019

Bumped Jackson databind version to resolve CVE-2019-14379 (#745)

fad6f46

* Bumped Jackson databind version to resolve CVE-2019-14379 * Fix NPE FasterXML/jackson-databind#2395

franzbecker mentioned this issue Aug 7, 2019

Cannot override jackson.version using Gradle Dependency Management Plugin spring-projects/spring-boot#17808

Closed

jorsol mentioned this issue Aug 7, 2019

Update jackson-bom to 2.9.9.20190807 to fix a regression quarkusio/quarkus#3452

Merged

xvrl added a commit to xvrl/common that referenced this issue Aug 7, 2019

MINOR: upgrade jackson-databind to 2.9.9.3

80b20e1

Some downstream components are hitting the following regression in 2.9.9.2 FasterXML/jackson-databind#2395

xvrl mentioned this issue Aug 7, 2019

MINOR: upgrade jackson-databind to 2.9.9.3 confluentinc/common#217

Merged

xvrl added a commit to confluentinc/common that referenced this issue Aug 7, 2019

MINOR: upgrade jackson-databind to 2.9.9.3

c29cbc1

Some downstream components are hitting the following regression in 2.9.9.2 FasterXML/jackson-databind#2395

mibo added a commit to mibo/spring-cloud-connectors that referenced this issue Aug 8, 2019

Updated jackson-databind version to 2.9.9.3

97c06ed

Updated `jackson-databind` version to `2.9.9.3` which contains fix for [this regression](FasterXML/jackson-databind#2395).

mibo mentioned this issue Aug 8, 2019

Updated jackson-databind version to 2.9.9.3 spring-cloud/spring-cloud-connectors#302

Merged

philsttr mentioned this issue Aug 12, 2019

customFields in Logstash throws NullPointerException in Spring Boot logfellow/logstash-logback-encoder#354

Closed

scottfrederick pushed a commit to spring-cloud/spring-cloud-connectors that referenced this issue Aug 19, 2019

Updated jackson-databind version to 2.9.9.3

0ebd0c4

Updated `jackson-databind` version to `2.9.9.3` which contains fix for [this regression](FasterXML/jackson-databind#2395).

qitia mentioned this issue Sep 2, 2019

Type of TextAsset is missing BingAds/BingAds-Java-SDK#107

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Cirrus-Heroku-Github-Integration mentioned this issue Jun 12, 2020

BRAVO-666 - Create release artifact after creating the release EliLillyCo/jenkinsdsl#1

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This was referenced May 10, 2022

CVE-2019-14379 - high detected in com.fasterxml.jackson.core:jackson-databind rhicksiii91/java-goof-test#114

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CVE-2019-14379 - high detected in com.fasterxml.jackson.core:jackson-databind rhicksiii91/java-goof-test#210

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`NullPointerException` from `ResolvedRecursiveType` (regression due to fix for #2331) #2395

`NullPointerException` from `ResolvedRecursiveType` (regression due to fix for #2331) #2395

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mp911de commented Jul 30, 2019

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snicoll commented Aug 6, 2019

NullPointerException from ResolvedRecursiveType (regression due to fix for #2331) #2395

NullPointerException from ResolvedRecursiveType (regression due to fix for #2331) #2395

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`NullPointerException` from `ResolvedRecursiveType` (regression due to fix for #2331) #2395

`NullPointerException` from `ResolvedRecursiveType` (regression due to fix for #2331) #2395

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