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https://issues.apache.org/jira/browse/MNG-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Maarten Mulders reassigned MNG-7578:
------------------------------------
Assignee: Maarten Mulders
> Building Linux image on Windows impossible (patch incuded)
> ----------------------------------------------------------
>
> Key: MNG-7578
> URL: https://issues.apache.org/jira/browse/MNG-7578
> Project: Maven
> Issue Type: Bug
> Components: Core, Toolchains
> Affects Versions: 3.8.6
> Reporter: Eugen Labun
> Assignee: Maarten Mulders
> Priority: Major
>
> If you try to find `javac` in a Linux JDK using `Toolchain.findTool()`
> method, this will fail when the build is running on Windows, since the
> implementation
> [JavaToolchainImpl#findTool()|https://github.com/apache/maven/blob/maven-3.8.6/maven-core/src/main/java/org/apache/maven/toolchain/java/JavaToolchainImpl.java#L74-L86]
> appends ".exe" to the toolName (causing `javac.exe` is not found):
> {code:java}
> private static File findTool( String toolName, File installFolder )
> {
> File bin = new File( installFolder, "bin" ); //NOI18N
> if ( bin.exists() )
> {
> File tool = new File( bin, toolName + ( Os.isFamily( "windows" )
> ? ".exe" : "" ) ); // NOI18N
> if ( tool.exists() )
> {
> return tool;
> }
> }
> return null;
> }
> {code}
> The current workaround is to manually add a fake `javac.exe` file to the JDK
> `bin` directory. See [tool chain issue (building linux image on windows
> machine)|https://github.com/moditect/moditect/issues/107] in moditect project.
> The `findTool` method could yet easily be changed to search for exact
> `toolName` as requested, with a fallback to `toolName.exe` for backward
> compatibility:
> {code:java}
> private static File findTool( String toolName, File installFolder )
> {
> File bin = new File( installFolder, "bin" );
> if ( bin.exists() )
> {
> File tool = new File( bin, toolName );
> if ( tool.exists() )
> {
> return tool;
> }
> File toolExe = new File( bin, toolName + ".exe" );
> if ( toolExe.exists() )
> {
> return toolExe;
> }
> }
> return null;
> }
> {code}
> This would solve the problem.
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