java.lang.VerifyError: Illegal type at constant pool entry 156 in class 'etc'

Hi there, I’m using the following code to read a Databuffer flux in string boot using coroutines and accumulate bytes in an intermediate buffer (because S3 multipart async upload requires 5MB part minimum). Using fold in the flow from created from the flux produces this exception.

This run perfectly when launching the server using ./gradlew bootRun but breaks when running java -jar xxx.jar when the jar was produced via ./gradlew bootJar because the BootRun task adds -Xverify:none and -XX:TieredStopAtLevel=1 to the jvm args.

Exception in thread "sdk-async-response-0-0" kotlinx.coroutines.CoroutinesInternalError: Fatal exception in coroutines machinery for CancellableContinuation(DispatchedContinuation[Unconfined, Continuation at com.talkdesk.api.reporting.exploreemail.services.ExternalStorageService.initiateMultipartUpload(ExternalStorageService.kt:147)@4cdabf65]){CreateMultipartUploadResponse(Bucket=td-infra-stg-us-east-1-s3-reportingexplore-email-files, Key=The-A-Team/2019-09-13/ca513e2283a0406ba7bfc950d659c429.csv, UploadId=a93JiolPp5fFcjTkb0AUxf7WmRwqW_xAx.lM47PvPaO.q6vXDuoMifUX8mKpWM1NFx2vmvmh9bpW_hiiki6loL9JRoYlEGLoh3OFuo8G6bLVIjUDuVP5p8lV2HUhyZC_, ServerSideEncryption=AES256)}@6ff72e73. Please read KDoc to 'handleFatalException' method and report this incident to maintainers
	at kotlinx.coroutines.DispatchedTask.handleFatalException$kotlinx_coroutines_core(Dispatched.kt:278)
	at kotlinx.coroutines.DispatchedKt.resumeUnconfined(Dispatched.kt:415)
	at kotlinx.coroutines.DispatchedKt.dispatch(Dispatched.kt:298)
	at kotlinx.coroutines.CancellableContinuationImpl.dispatchResume(CancellableContinuationImpl.kt:250)
	at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl(CancellableContinuationImpl.kt:260)
	at kotlinx.coroutines.CancellableContinuationImpl.resumeWith(CancellableContinuationImpl.kt:189)
	at kotlinx.coroutines.future.ContinuationConsumer.accept(Future.kt:178)
	at kotlinx.coroutines.future.ContinuationConsumer.accept(Future.kt:170)
	at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2073)
	at software.amazon.awssdk.core.internal.http.pipeline.stages.AsyncApiCallTimeoutTrackingStage.lambda$execute$2(AsyncApiCallTimeoutTrackingStage.java:69)
	at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2073)
	at software.amazon.awssdk.core.internal.http.pipeline.stages.AsyncRetryableStage$RetryExecutor.retryResponseIfNeeded(AsyncRetryableStage.java:136)
	at software.amazon.awssdk.core.internal.http.pipeline.stages.AsyncRetryableStage$RetryExecutor.retryIfNeeded(AsyncRetryableStage.java:120)
	at software.amazon.awssdk.core.internal.http.pipeline.stages.AsyncRetryableStage$RetryExecutor.lambda$execute$0(AsyncRetryableStage.java:107)
	at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2073)
	at software.amazon.awssdk.core.internal.http.pipeline.stages.MakeAsyncHttpRequestStage.lambda$executeHttpRequest$1(MakeAsyncHttpRequestStage.java:138)
	at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.VerifyError: Illegal type at constant pool entry 156 in class REDACTED$upload$$inlined$fold$1
Exception Details:
  Location:
    REDACTED$upload$$inlined$fold$1.emit(Ljava/lang/Object;Lkotlin/coroutines/Continuation;)Ljava/lang/Object; @274: invokestatic
  Reason:
    Constant pool index 156 is invalid
  Bytecode:
    ${REDACTED}
  Stackmap Table:
    same_frame(@36)
    append_frame(@46,Object[#48])
    append_frame(@84,Object[#5],Object[#5])
    full_frame(@225,{Object[#2],Object[#5],Object[#79],Object[#48],Object[#5],Object[#5],Object[#48],Object[#5],Integer,Object[#79],Object[#81],Object[#83],Object[#74],Integer,Integer},{})
    same_locals_1_stack_item_frame(@227,Object[#83])
    full_frame(@386,{Object[#2],Object[#5],Object[#79],Object[#48],Object[#5],Object[#5]},{})
    full_frame(@481,{Object[#2],Object[#5],Object[#79],Object[#48],Object[#5],Object[#5],Object[#48],Object[#5],Top,Object[#79],Object[#81],Object[#83],Object[#74],Top,Integer,Top,Object[#83],Object[#207]},{Object[#5]})
    chop_frame(@499,1)
    full_frame(@550,{Object[#2],Object[#5],Object[#79],Object[#48],Object[#5],Object[#5]},{})

	at REDACTED.upload$suspendImpl(ExternalStorageService.kt:174)
	at REDACTED$upload$2.invokeSuspend(ExternalStorageService.kt)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.ResumeModeKt.resumeMode(ResumeMode.kt:67)
	at kotlinx.coroutines.DispatchedKt.resume(Dispatched.kt:319)
	at kotlinx.coroutines.DispatchedKt.resumeUnconfined(Dispatched.kt:49)
	... 29 more

Dependencies:

id("org.springframework.boot") version "2.2.0.M5"
id("io.spring.dependency-management") version "1.0.8.RELEASE"
kotlin("jvm") version "1.3.50"
kotlin("plugin.spring") version "1.3.41"
implementation("org.springframework.boot:spring-boot-starter-actuator")
implementation("org.springframework.boot:spring-boot-starter-webflux")
implementation("org.springframework.boot:spring-boot-starter-data-jdbc")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.1")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.3.1")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:1.3.1")
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactive:1.3.1")

val flow = WebClient
                .builder()
                .baseUrl("some_url")
                .build()
                .get()
                .retrieve()
                .bodyToFlux(DataBuffer::class.java)
                .asFlow()

flow.fold(ByteBuffer.allocate(intermediateBufferLength), { buffer, value -> {
            
///Eventually I call the AWS async client

s3AsyncClient.uploadPart(
        UploadPartRequest.builder()
                .bucket(bucketName)
                .key(key)
                .partNumber(partNumber)
                .uploadId(uploadId)
                .build(),
        asyncRequestBody
).await()

})

[qwwdfsad]

@mkulak Thanks for the reproducer! As a workaround, you can replace body.map { Buffer.buffer(it) } with

private fun ByteArray.toBuffer() = Buffer.buffer(this)

// sendRequest body, line 36
body.map { it.toBuffer() }

in sendRequest

It appears to be a problem during inlining of bytecode complied with different javac version

[vikasrathore]

@qwwdfsad please check this i am getting this issue in production build Fatal Exception: java.lang.VerifyError: kotlinx/coroutines/bv$c