nparfait opened a new issue, #9010:
URL: https://github.com/apache/camel-quarkus/issues/9010
### Bug description
`camel-quarkus-support-aws2` and
`io.quarkiverse.amazonservices:quarkus-amazon-common` both register GraalVM
substitutions for `software.amazon.awssdk.checksums.internal.ChecksumProvider`.
When both are on the classpath and `aws-crt` is not, both substitutions
activate and the native image build fails hard:
```
Error: Substition:
software.amazon.awssdk.checksums.internal.ChecksumProvider.crc64NvmeCrtImplementation()
conflicts with previously registered:
software.amazon.awssdk.checksums.internal.ChecksumProvider.crc64NvmeCrtImplementation()
Internal exception: com.oracle.svm.core.util.UserError$UserException
```
(The method named in the error varies between `crc64NvmeCrtImplementation`
and `crtXxHash(ChecksumAlgorithm)` depending on processing order — both are
duplicated.)
### The two conflicting substitutions
**camel-quarkus** —
`org.apache.camel.quarkus.component.aws.commons.ChecksumProviderSubstitutions`
(`extensions-support/aws2/runtime`):
```java
@TargetClass(value = ChecksumProvider.class, onlyWith =
ChecksumProviderSubstitutions.AwsCrtIsAbsent.class)
final class ChecksumProviderSubstitutions {
@Substitute static SdkChecksum crc64NvmeCrtImplementation() { ... }
@Substitute static SdkChecksum createCrtCrc32C() { ... }
@Substitute static SdkChecksum crtXxHash(ChecksumAlgorithm algorithm) {
... }
}
```
**quarkus-amazon-services** —
`io.quarkiverse.amazon.common.runtime.CrtSubstitutions$Target_CrcChecksumProvider`:
```java
@TargetClass(value =
software.amazon.awssdk.checksums.internal.ChecksumProvider.class)
static final class Target_CrcChecksumProvider {
@Substitute @TargetElement(name = "crc64NvmeCrtImplementation", onlyWith
= IsCrtAbsent.class)
static SdkChecksum crc64NvmeCrtImplementationCrtAbsent() { ... }
@Substitute @TargetElement(name = "crtXxHash", onlyWith =
IsCrtAbsent.class)
static SdkChecksum crtXxHashCrtAbsent(ChecksumAlgorithm algorithm) { ...
}
@Delete static SdkChecksum createCrtCrc32C() { ... }
...
}
```
The quarkiverse version is a strict superset — it covers the same three
methods plus `crc32cImplementation`/`createJavaCrc32C`, and additionally
handles the CRT-present case.
### When it was introduced
`ChecksumProviderSubstitutions` was added in camel-quarkus **3.33.0** by
#8395 ("Upgrade Quarkus Amazon Services to 3.15.0"), to fix
`ClassNotFoundException: software.amazon.awssdk.crt.checksums.CRC64NVME`. It
does not exist at tag 3.32.0. The `quarkus-amazon-common` substitution predates
it (present at least as far back as 3.3.3).
The class is byte-identical in 3.33.0, 3.33.1, 3.33.2, 3.35.0, 3.36.0 and
3.38.0, so the conflict affects every release since 3.33.0.
### How to reproduce
A project depending on both:
- `org.apache.camel.quarkus:camel-quarkus-aws2-ses` (or any camel-quarkus
aws2 extension pulling `camel-quarkus-support-aws2`)
- `io.quarkiverse.amazonservices:quarkus-amazon-sns` / `quarkus-amazon-ses`
with all three platform BOMs (`quarkus-bom`, `quarkus-camel-bom`,
`quarkus-amazon-services-bom`) at the same Quarkus Platform version, and no
`software.amazon.awssdk.crt:aws-crt` on the classpath. `mvn package -Pnative`
then fails as above.
Reproduced on Quarkus Platform 3.33.3.1 (camel-quarkus 3.33.2,
quarkus-amazon-common 3.17.0, AWS SDK 2.42.7) with GraalVM 21.0.11+9.1.
The same project built fine on Quarkus Platform 3.20.x (camel-quarkus
3.20.4), where `ChecksumProviderSubstitutions` did not yet exist.
### Suggested fix
Since `quarkus-amazon-common` already provides an equivalent and broader
substitution, `camel-quarkus-support-aws2`'s `ChecksumProviderSubstitutions`
could either be removed, or guarded with an additional `onlyWith` predicate
that checks for the absence of
`io.quarkiverse.amazon.common.runtime.CrtSubstitutions` on the classpath.
### Workarounds
Only two exist, neither great:
1. Add `software.amazon.awssdk.crt:aws-crt`, which deactivates both
`onlyWith` guards — but pulls in a JNI native library and changes runtime
checksum behaviour.
2. Shadow
`org.apache.camel.quarkus.component.aws.commons.ChecksumProviderSubstitutions`
with an empty class of the same FQCN in the application's own sources, so
camel-quarkus's annotated version is never loaded.
There is no native-image option to disable an individual substitution —
`-H:DisableSubstitution` exists only on GraalVM master, not in any released
GraalVM or Mandrel.
### Environment
- camel-quarkus 3.33.2 (Quarkus Platform 3.33.3.1)
- quarkus-amazon-services 3.17.0
- AWS SDK for Java v2 2.42.7
- GraalVM CE 21.0.11+9.1 (JVMCI 23.1-b92), macOS aarch64
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