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Posted to issues@maven.apache.org by "glmapper (Jira)" <ji...@apache.org> on 2019/11/07 13:31:00 UTC
[jira] [Commented] (MNG-6800) 在执行 writePlugin 时 发生 ClassCastException
[ https://issues.apache.org/jira/browse/MNG-6800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969250#comment-16969250 ]
glmapper commented on MNG-6800:
-------------------------------
在 ConfigurationContainer 类中， configuration 属性类型是 Object，在 执行 writePlugin 时 ，会强制转换成
org.codehaus.plexus.util.xml.Xpp3Dom 类型。既然已知是 org.codehaus.plexus.util.xml.Xpp3Dom ，为什么还定义其类型为 Object 呢？
> 在执行 writePlugin 时 发生 ClassCastException
> ----------------------------------------
>
> Key: MNG-6800
> URL: https://issues.apache.org/jira/browse/MNG-6800
> Project: Maven
> Issue Type: Improvement
> Components: Artifacts and Repositories
> Affects Versions: 3.3.9
> Reporter: glmapper
> Priority: Blocker
>
> {code:java}
> //代码占位符
> java.lang.ClassCastException: org.codehaus.plexus.util.xml.Xpp3Dom cannot be cast to org.codehaus.plexus.util.xml.Xpp3Domjava.lang.ClassCastException: org.codehaus.plexus.util.xml.Xpp3Dom cannot be cast to org.codehaus.plexus.util.xml.Xpp3Dom at org.apache.maven.model.io.xpp3.MavenXpp3Writer.writePlugin(MavenXpp3Writer.java:1417) at org.apache.maven.model.io.xpp3.MavenXpp3Writer.writeBuild(MavenXpp3Writer.java:329) at org.apache.maven.model.io.xpp3.MavenXpp3Writer.writeModel(MavenXpp3Writer.java:1115) at org.apache.maven.model.io.xpp3.MavenXpp3Writer.write(MavenXpp3Writer.java:100)
> {code}
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