ClassCassException when using HandlerAspect and Path parameters.

[Petter-K]

Describe the bug We are getting ClassCastExceptions when using a route with Path paramters, and a middleware that adds context. class zio.http.Request cannot be cast to class scala.Tuple2 (zio.http.Request and scala.Tuple2 are in unnamed module of loader 'app') Tuple2 is increasing if we add more path params

To Reproduce Run this snipped

import zio.http._
import zio._

import scala.annotation.nowarn

object Reproducer extends ZIOAppDefault {
  case class WebSession(id: Int)

  def maybeWebSession: HandlerAspect[Any, Option[WebSession]] =
    HandlerAspect.interceptIncomingHandler(
      Handler.fromFunctionZIO[Request] { req =>
        ZIO.succeed((req, None))
      }
    )

  @nowarn("msg=dead code following this construct")
  override def run: ZIO[Any, Any, Any] = {
    // fails at Handler.scala line 57 with 
    val route = Method.GET / "base" / string("1") -> handler((a: String, req: Request) => {
      withContext((c: Option[WebSession]) => {
        ZIO.logInfo("Hello").as(Response.ok)
      })
    }) @@ maybeWebSession

    (for {
      port <- Server.install(Routes(route))
      _ <- ZIO.logInfo(s"Installed on port " + port)
      _ <- ZIO.never
    } yield ()).provide(Server.default)

  }
}

run: curl -v 127.0.0.1:8080/base/1

Expected behaviour Log Hello and return 200 Ok

Additional context Same error in scala 2 and 3. Using Intellij breakpoints on all exception, it stops at Handler.scala - line 57

[jdegoes]

/bounty $150 for fix and test case.

[algora-pbc[bot]]

💎 $150 bounty • ZIO

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Attempt	Started (GMT+0)	Solution
🟢 @varshith257	Sep 18, 2024, 1:46:20 PM	WIP
🟢 @987Nabil		#3150

[varshith257]

/attempt #3141

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[algora-pbc[bot]]

💡 @987Nabil submitted a pull request that claims the bounty. You can visit your bounty board to reward.