Fix #1190 by marking RequestOptions transient #1197
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Also try to prevent similar problems in the future by checking that we only use the reflection-based type adapter for classes in `com.stripe.`.
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r? @ob-stripe would you take a look at this? |
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Hello, For information : In the "ReflectionCheckingTypeAdapterFactory" added by this fix, there is the import of "com.google.gson.internal.bind.ReflectiveTypeAdapterFactory" that is "internal" and not exported in the gson Manifest (Export-Package) So in OSGI context, this generate an "Unresolved constraint" error when wiring. |
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Gson 2.9.1 added a feature which should allow implementing this without having to rely on internal Gson classes. |
This was referenced Dec 20, 2022
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cc @stripe/api-libraries
The problem was that Gson was attempting to make certain
java.netclasses constructors accessible through reflection but this is not longer allowed in JDK16 with the default module setup.The reason that Gson was attempting to instantiate these classes was that we forgot to mark the field
StripeCollection.requestOptionstransient(it isn't part of the JSON response). The typeRequestOptionsin turn contains ajava.net.Proxy-type field, which was the source of the problem.I also added
ReflectionCheckingTypeAdapterFactorywhich is a fakeTypeAdapterFactorythat just checks that we aren't using reflection to access anything outside ofcom.stripepackages.In trying to replicate this problem I tried to get this project to build on JDK 16 but that required an upgrade to Gradle 7 which turned out to be too much to put into this PR. The WIP branch for that is here.
Fixes #1190