Jordan Zimmerman created MSHADE-337:
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Summary: Relocation cannot process class file version 58 JARs
Key: MSHADE-337
URL: https://issues.apache.org/jira/browse/MSHADE-337
Project: Maven Shade Plugin
Issue Type: Bug
Affects Versions: 3.2.1
Reporter: Jordan Zimmerman
Attachments: shade-bug.zip
I was playing around with Java 14 and was making a shaded JAR. The shade plugin
seems to work fine but if I add a relocation it throws:
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java.lang.IllegalArgumentException: Unsupported class file major version 58
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Steps to Reproduce:
* Unzip the enclosed attachment
* Make sure Java 14 is installed and JAVA_HOME points at it
* Run `mvn package`
Stacktrace:
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Caused by: java.lang.IllegalArgumentException: Unsupported class file major
version 58
at org.objectweb.asm.ClassReader.<init> (ClassReader.java:184)
at org.objectweb.asm.ClassReader.<init> (ClassReader.java:166)
at org.objectweb.asm.ClassReader.<init> (ClassReader.java:152)
at org.objectweb.asm.ClassReader.<init> (ClassReader.java:273)
at org.apache.maven.plugins.shade.DefaultShader.addRemappedClass
(DefaultShader.java:438)
at org.apache.maven.plugins.shade.DefaultShader.shadeSingleJar
(DefaultShader.java:240)
at org.apache.maven.plugins.shade.DefaultShader.shadeJars
(DefaultShader.java:196)
at org.apache.maven.plugins.shade.DefaultShader.shade
(DefaultShader.java:106)
at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute
(ShadeMojo.java:442)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
{noformat}
Notes:
* I tried to make the example as minimal as possible
* The relocation patterns don't see to matter. The issue is in the relocator
code opening a JAR dependency I guess
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