Fix #3101 Code gen schema import missing #17067

Job	Run time
Build and Test (ubuntu-latest, 2.12.19, graal_graalvm@17)	8m 38s
Build and Test (ubuntu-latest, 2.12.19, graal_graalvm@21)	9m 0s
Mima Check (ubuntu-latest, 2.13.10, temurin@21)	1m 50s
Unsafe Scoverage (ubuntu-latest, 2.13.14, temurin@8)	6m 32s
Release Drafter (ubuntu-latest, 2.13.10, temurin@8)	5s
Build and Test (ubuntu-latest, 2.12.19, temurin@17)	9m 6s
Build and Test (ubuntu-latest, 2.12.19, temurin@21)	8m 34s
Jmh CachedDateHeaderBenchmark	0s
Jmh ClientBenchmark	0s
Build and Test (ubuntu-latest, 2.13.14, graal_graalvm@17)	11m 0s
Jmh CookieDecodeBenchmark	0s
Build and Test (ubuntu-latest, 2.13.14, graal_graalvm@21)	11m 8s
Jmh EndpointBenchmark	0s
Build and Test (ubuntu-latest, 2.13.14, temurin@17)	11m 33s
Jmh HttpCollectEval	0s
Jmh HttpCombineEval	0s
Build and Test (ubuntu-latest, 2.13.14, temurin@21)	10m 49s
Build and Test (ubuntu-latest, 3.3.3, graal_graalvm@17)	7m 40s
Jmh HttpNestedFlatMapEval	0s
Build and Test (ubuntu-latest, 3.3.3, graal_graalvm@21)	7m 28s
Jmh HttpRouteTextPerf	0s
Build and Test (ubuntu-latest, 3.3.3, temurin@17)	8m 48s
Jmh ProbeContentTypeBenchmark	0s
Build and Test (ubuntu-latest, 3.3.3, temurin@21)	7m 21s
Jmh SchemeDecodeBenchmark	0s
Jmh ServerInboundHandlerBenchmark	0s
Jmh UtilBenchmark	0s
Performance Benchmarks (SimpleEffectBenchmarkServer) (ubuntu-latest, 2.13.14, temurin@8)	8m 5s
Performance Benchmarks (PlainTextBenchmarkServer) (ubuntu-latest, 2.13.14, temurin@8)	7m 59s
Cache Jmh benchmarks	0s
Publish Artifacts	0s
	2h 15m 36s

Provide feedback