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  1. Groovy
  2. GROOVY-9852

Result is already complete (IllegalStateException)

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 3.0.5
    • 4.0.0-alpha-3
    • None
    • Windows 10
      OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_272-b10)
    • Important

    Description

      Steps:

      1 - Consider this reproducer https://github.com/ptomaszek/vertx-groovy

      2 - Edit build.gradle and change vertxVersion to '4.0.0.Beta1' (uses Groovy 3.0.3)

      3 - Edit org.example.MainGroovy and replace the code of main method with the following:

      Promise p = Promise.promise()
p.future().onSuccess { println it }
p.complete("Done with Groovy!!!")

      The code runs fine.

      But, if in Step 2 the vertxVersion in build.gradle is changed to '4.0.0.Beta2' (uses Groovy 3.0.5), the code from Step 3 will fail with an IllegalStateException. 

      Exception in thread "main" java.lang.IllegalStateException: Result is already complete
 at io.vertx.core.Promise.complete(Promise.java:67)
 at io.vertx.core.Promise$complete$1.call(Unknown Source)
 at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:139)
 at org.example.MainGroovy.main(MainGroovy.groovy:17)

      If you use @CompileStatic on main method with Step 3, with Beta2, it works fine. The @CompileStatic is not necessary to run well with Vert.x '4.0.0.Beta1'. A Java class with similar code will work using any version of Vert.x (Beta1, Beta2, Beta3, CR1....), so doesn't looks like a Java or Vertx issue.

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        Issue Links

          is related to

          Sub-task - The sub-task of the issue GROOVY-6189 basic SAM conversion

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. GROOVY-5114 String[] to Set coercion seems broken in some cases

          • Blocker - Blocks development and/or testing work, production could not run
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. GROOVY-11010 Ambiguous method reference when expecting a SAM type

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. GROOVY-10714 STC: Callable, Runnable, Serializable overload preference for functional argument (closure, lambda, etc.)

          • Major - Major loss of function.
          • Reopened

          Bug - A problem which impairs or prevents the functions of the product. GROOVY-10963 AIOOBE with Java lambda syntax

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. GROOVY-11121 unexpected error when having overloaded methods, one of which receiving an Iterable

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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            People

              emilles Eric Milles
              aaloise André Filipe Aloise
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