[jboss-jira] [JBoss JIRA] (JASSIST-245) Javassist 3.19.0-GA causes compilation warnings with -Xlint:classfile

[David Carr (JIRA)]

     [ https://issues.jboss.org/browse/JASSIST-245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Carr updated JASSIST-245:
-------------------------------
    Steps to Reproduce: 
To reproduce, put the javassist JAR and DescribingHandlers.java (https://gist.github.com/davidmc24/17e120b67ce35831a07a) in a directory and run the following command:

{code}javac -Werror -Xlint:classfile -classpath javassist-3.19.0-GA.jar DescribingHandlers.java{code}

You should get something like the following output:

{code}
javassist-3.19.0-GA.jar(javassist/ClassPool.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/CtBehavior.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/CtClass.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/NotFoundException.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/bytecode/ClassFile.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
error: warnings found and -Werror specified
javassist-3.19.0-GA.jar(javassist/CtMember.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/bytecode/MethodInfo.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
1 error
7 warnings
{code}

  was:
To reproduce, put the javassist JAR the attached DescribingHandlers.java file in a directory and run the following command:

{code}javac -Werror -Xlint:classfile -classpath javassist-3.19.0-GA.jar DescribingHandlers.java{code}

You should get something like the following output:

{code}
javassist-3.19.0-GA.jar(javassist/ClassPool.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/CtBehavior.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/CtClass.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/NotFoundException.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/bytecode/ClassFile.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
error: warnings found and -Werror specified
javassist-3.19.0-GA.jar(javassist/CtMember.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
javassist-3.19.0-GA.jar(javassist/bytecode/MethodInfo.class): warning: [classfile] MethodParameters attribute introduced in version 52.0 class files is ignored in version 50.0 class files
1 error
7 warnings
{code}



> Javassist 3.19.0-GA causes compilation warnings with -Xlint:classfile
> ---------------------------------------------------------------------
>
>                 Key: JASSIST-245
>                 URL: https://issues.jboss.org/browse/JASSIST-245
>             Project: Javassist
>          Issue Type: Bug
>    Affects Versions: 3.19.0-GA
>            Reporter: David Carr
>            Assignee: Shigeru Chiba
>
> Tested using Oracle Java 1.8.0_40.



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