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Date: Tue, 7 Nov 2017 13:16:00 +0000 (UTC)
From: "James Phillpotts (JIRA)" <jira@apache.org>
To: dev@aries.apache.org
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Subject: [jira] [Updated] (ARIES-1755) IllegalArgumentException on weaving
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archived-at: Tue, 07 Nov 2017 13:16:05 -0000


     [ https://issues.apache.org/jira/browse/ARIES-1755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Phillpotts updated ARIES-1755:
------------------------------------
    Attachment: aries-test.zip

Attached sample project.

> IllegalArgumentException on weaving
> -----------------------------------
>
>                 Key: ARIES-1755
>                 URL: https://issues.apache.org/jira/browse/ARIES-1755
>             Project: Aries
>          Issue Type: Bug
>          Components: SPI Fly
>    Affects Versions: spifly-1.0.8
>            Reporter: James Phillpotts
>
> On weaving a jar that contains a utility loading class like this (this example is an enum, but the same happens if it's a class, anonymous inner class, etc.):
> {code:java}
> public enum Loader {
>     LOADER;
>     public <S> S load(Class<S> type) {
>         Iterator<S> services = ServiceLoader.load(type).iterator();
>         return services.hasNext() ? services.next() : null;
>     }
> }
> {code}
> The weaving throws this exception:
> {noformat}
> java.lang.IllegalArgumentException: value null
> 	at org.objectweb.asm.ClassWriter.newConstItem(ClassWriter.java:1057)
> 	at org.objectweb.asm.MethodWriter.visitLdcInsn(MethodWriter.java:1126)
> 	at org.apache.aries.spifly.weaver.TCCLSetterVisitor$TCCLSetterMethodVisitor.visitMethodInsn(TCCLSetterVisitor.java:194)
> 	at org.objectweb.asm.ClassReader.readCode(ClassReader.java:1416)
> 	at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1017)
> 	at org.objectweb.asm.ClassReader.accept(ClassReader.java:693)
> 	at org.objectweb.asm.ClassReader.accept(ClassReader.java:506)
> 	at org.apache.aries.spifly.statictool.Main.weaveDir(Main.java:196)
> 	at org.apache.aries.spifly.statictool.Main.weaveJar(Main.java:96)
> 	at org.apache.aries.spifly.statictool.Main.main(Main.java:73)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:282)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> This happens regardless of whether static or dynamic weaving is used.
> I'll attach a sample project.


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