Describe the bug
The code below gives this compilation error:
11:55:45: Executing ':Main.main()'...
> Task :compileJava FAILED
Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0.
You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins.
See https://docs.gradle.org/7.5.1/userguide/command_line_interface.html#sec:command_line_warnings
1 actionable task: 1 executed
W:\Projects\tests\Lombok-Bug\src\main\java\org\example\Main.java:15: error: no suitable method found for collect(Collector<String,CAP#1,Map<Integer,Object>>)
@Getter(lazy = true)
^
method Stream.<R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super String>,BiConsumer<R#1,R#1>) is not applicable
(cannot infer type-variable(s) R#1
(actual and formal argument lists differ in length))
method Stream.<R#2,A>collect(Collector<? super String,A,R#2>) is not applicable
(cannot infer type-variable(s) R#2,A
(argument mismatch; Duration cannot be converted to Collector<? super String,A,R#2>))
where R#1,T,R#2,A are type-variables:
R#1 extends Object declared in method <R#1>collect(Supplier<R#1>,BiConsumer<R#1,? super T>,BiConsumer<R#1,R#1>)
T extends Object declared in interface Stream
R#2 extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
A extends Object declared in method <R#2,A>collect(Collector<? super T,A,R#2>)
where CAP#1 is a fresh type-variable:
CAP#1 extends Object from capture of ?
1 error
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 704ms
11:55:46: Execution finished ':Main.main()'.
To Reproduce
Main.java
package org.example;
import lombok.Getter;
import reactor.core.publisher.Mono;
import java.time.Duration;
import java.util.Arrays;
import java.util.Map;
import java.util.stream.Collectors;
public class Main {
@Getter(lazy = true)
private final Mono<Map<Integer, String>> mono =
Mono.just(new String[]{"a", "b", "c", "d"})
.map(Arrays::asList)
.map(list -> list.stream().collect(Collectors.toMap(String::hashCode, v -> v)))
.cache(a -> Duration.ofSeconds(10),
v -> Duration.ofSeconds(10),
() -> Duration.ofSeconds(10)
);
/* Similar code that works as expected
@Getter(lazy = true)
private final Mono<Map<Integer, String>> mono =
Mono.just(new String[]{"a", "b", "c", "d"})
.map(Arrays::asList)
.map(list -> list.stream().collect(Collectors.toMap(String::hashCode, v -> v)))
.cache(a -> Duration.ofSeconds(10),
v -> Duration.ofSeconds(10),
() -> Duration.ZERO // <--------The only difference is in this line
);
@Getter(lazy = true)
private final Mono<Map<Integer, String>> mono =
Mono.just(new String[]{"a", "b", "c", "d"})
.map(Arrays::asList)
.map(list -> list.stream().collect(Collectors.toMap(String::hashCode, v -> v)));
*/
public static void main(String[] args) {
new Main().getMono().subscribe(v -> System.out.println(v));
}
}
build.gradle
plugins {
id 'java'
}
group 'org.example'
version '1.0-SNAPSHOT'
repositories {
mavenCentral()
}
dependencies {
compileOnly 'org.projectlombok:lombok:1.18.24'
annotationProcessor 'org.projectlombok:lombok:1.18.24'
implementation 'io.projectreactor:reactor-core:3.5.1'
}
Expected behavior
Successful compilation. Code should run as expected.
Version info:
- Lombok version:
1.18.24
- JDK:
17.0.1, 17.0.5.
- IDE: Intellij Idea
2022.3
- Gradle:
7.5.1
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