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https://issues.apache.org/jira/browse/MCOMPILER-485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17570379#comment-17570379
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Hudson commented on MCOMPILER-485:
----------------------------------
Build failed in Jenkins: Maven » Maven TLP » maven » maven-3.8.x-resolver-1.8.x
#2
See
https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven/job/maven-3.8.x-resolver-1.8.x/2/
> Incorrect internal string format in generated package-info.class files on
> Windows
> ---------------------------------------------------------------------------------
>
> Key: MCOMPILER-485
> URL: https://issues.apache.org/jira/browse/MCOMPILER-485
> Project: Maven Compiler Plugin
> Issue Type: Bug
> Affects Versions: 3.10.0
> Environment: Windows, or any operating system with a file separator
> character other than a forward slash
> Reporter: Daniel Widdis
> Assignee: Olivier Lamy
> Priority: Major
> Fix For: 3.10.1
>
>
> In 3.10.0, a new feature to generate package-info classes was added in
> [[MCOMPILER-205] |https://github.com/apache/maven-compiler-plugin/pull/88]
> Unfortunately, the binary class file is incorrectly generated using Java's
> file toString() which uses a platform dependent file separator character: on
> Windows, these Strings contain a backslash. See [this
> line|https://github.com/gnodet/maven-compiler-plugin/blob/8521ef8fdd12cc0b85c1ace17114ed3d3ffd0b0c/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java#L1356]
> which passes the platform-dependent file name (minus the root path and .java
> extension) to the ClassWriter.
> The Java class file specification (4.2.1) specifies the internal format: "In
> this internal form, the ASCII periods (.) that normally separate the
> identifiers which make up the binary name are replaced by ASCII forward
> slashes (/)."
> This invalid class file format causes problems in downstream plugins, e.g.,
> * The bnd-maven-plugin fails with an error: Classes found in the wrong
> directory:
> \{oshi/jna/platform/unix/package-info.class=oshi\jna\platform\unix\package-info
> ... (and hundreds more) ... }
> * The JDK's
> [classFileParser|https://github.com/openjdk/jdk17/blob/74007890bb9a3fa3a65683a3f480e399f2b1a0b6/src/hotspot/share/classfile/classFileParser.cpp#L5797]
> will throw java.lang.NoClassDefFoundError:
> com\puppycrawl\tools\checkstyle\ant\package-info (wrong name:
> com/puppycrawl/tools/checkstyle/ant/package-info
> Steps to reproduce:
> # Perform a build on any Windows machine using maven-compiler-plugin 3.10.0
> # Inspect any of the generated package-info.class files in target/classes
> using a text editor
> Expected behavior:
> Internal strings representing package names use forward slashes
> Observed behavior:
> Internal strings representing package names use backward slashes
>
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