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http://jira.codehaus.org/browse/MNG-2827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason van Zyl closed MNG-2827.
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Resolution: Fixed
Patch applied and tested. Thanks.
> java.lang.StringIndexOutOfBoundsException if embedded into Eclipse plugin and
> required plugin parameter is missing
> ------------------------------------------------------------------------------------------------------------------
>
> Key: MNG-2827
> URL: http://jira.codehaus.org/browse/MNG-2827
> Project: Maven 2
> Issue Type: Bug
> Components: Embedding
> Affects Versions: 2.1.x
> Reporter: Stepan Roh
> Assigned To: Jason van Zyl
>
> Problem is in
> org.apache.maven.usability.plugin.ExpressionDocumenter.initializeDocLoader()
> which does some file-based magic tricks, but that does not work if Maven is
> embedded into Eclipse plugin (where resources have "bundle" scheme and not
> "file" and more importantly their path is different).
> Test case:
> - execute goal "jar:sign" on some basic pom.xml by using
> MavenEmbedder.execute()
> - proper behaviour is to throw MavenExecutionException where it says that
> required parameter "alias" is missing
> - but when executed from Eclipse (as part of some Eclipse plugin) it throws
> (line numbers may vary):
> Caused by: java.lang.StringIndexOutOfBoundsException: String index out of
> range: -1
> at java.lang.String.substring(String.java:1444)
> at
> org.apache.maven.usability.plugin.ExpressionDocumenter.initializeDocLoader(ExpressionDocumenter.java:148)
> at
> org.apache.maven.usability.plugin.ExpressionDocumenter.load(ExpressionDocumenter.java:53)
> at
> org.apache.maven.plugin.PluginConfigurationException.addParameterUsageInfo(PluginConfigurationException.java:107)
> at
> org.apache.maven.plugin.PluginConfigurationException.buildConfigurationDiagnosticMessage(PluginConfigurationException.java:274)
> at
> org.apache.maven.usability.PluginConfigurationDiagnoser.diagnose(PluginConfigurationDiagnoser.java:49)
> at
> org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:81)
> at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:774)
> at org.apache.maven.DefaultMaven.logError(DefaultMaven.java:728)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:188)
> at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:746)
> The problematic line is:
> myClasspathEntry = myClasspathEntry.substring( 0,
> myClasspathEntry.length() - ( myResourcePath.length() + 2 ) );
> I replaced the initializeDocLoader()'s body with
> return ExpressionDocumenter.class.getClassLoader();
> ... which works both inside and outside of Eclipse, but I tested it only on
> embedder and do not know it's impact on CLI version.
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