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Posted to issues@maven.apache.org by "Kerem Yazici (JIRA)" <ji...@apache.org> on 2017/03/27 14:39:41 UTC

[jira] [Commented] (MSHADE-156) shade plugin is transforming also strings that are not supposed to be transformed

    [ https://issues.apache.org/jira/browse/MSHADE-156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15943376#comment-15943376 ] 

Kerem Yazici commented on MSHADE-156:
-------------------------------------

we are having a similar issue where the below line
{code}
private static final String DEFAULT_TAG = "default";
{code}

replaced with
{code}
private static final String DEFAULT_TAG = "shaded.default";
{code}

> shade plugin is transforming also strings that are not supposed to be transformed
> ---------------------------------------------------------------------------------
>
>                 Key: MSHADE-156
>                 URL: https://issues.apache.org/jira/browse/MSHADE-156
>             Project: Maven Shade Plugin
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Neeme Praks
>             Fix For: backlog
>
>
> I'm shading several third party libraries into a single JAR. In the context of this issue, there are two important libraries:
> 1. com.nothome:javaxdelta:2.0.1 - this library is in "at.spardat.xma.xdelta" package.
> 2. ch.qos.logback:logback-classic:1.0.11 - in this library, in class ch.qos.logback.classic.spi.StackTraceElementProxy, there is a method to convert stack trace elements into strings:
> {code}
>   public String getSTEAsString() {
>     if (steAsString == null) {
>       steAsString = "at " + ste.toString();
>     }
>     return steAsString;
>   }
> {code}
> I use "org.myorgname.appname.shaded" package for shading.
> During shading, the constant "at " is replaced with "org.myorgname.appname.shaded.at" -- shade plugin thinks that the "at" in the beginning of that string is a package name and shades it.
> This results in an unfortunate side-effect: all logged stack traces now look like this:
> {noformat}
> Caused by: java.util.zip.ZipException: error in opening zip file
> 	org.myorgname.appname.shaded.at java.util.zip.ZipFile.open(Native Method) ~[na:1.6.0_19]
> 	org.myorgname.appname.shaded.at java.util.zip.ZipFile.<init>(ZipFile.java:114) ~[na:1.6.0_19]
> 	org.myorgname.appname.shaded.at java.util.zip.ZipFile.<init>(ZipFile.java:131) ~[na:1.6.0_19]
> {noformat}
> Possible fixes:
> * instead of just checking the first part of the package (at), check for the full package (at.spardat.xma.xdelta).
> * allow to configure shade plugin to ignore certain string constants in certain classes (this would solve also some other issues we have with shade plugin being too eager).
> * both of the above.



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