ZipException throw by JarFile lacks file name. We wrap it to help debugging.

Patch on top of:

URL: https://svn.apache.org/repos/asf/maven/shared/tags/maven-shared-jar-1.0
Revision: 732716


Index: src/main/java/org/apache/maven/shared/jar/JarAnalyzer.java
===================================================================
--- src/main/java/org/apache/maven/shared/jar/JarAnalyzer.java	(revision 732716)
+++ src/main/java/org/apache/maven/shared/jar/JarAnalyzer.java	(working copy)
@@ -32,6 +32,7 @@
 import java.util.jar.Manifest;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.zip.ZipException;
 
 /**
  * Open a JAR file to be analyzed. Note that once created, the {@link #closeQuietly()} method should be called to
@@ -99,7 +100,16 @@
     public JarAnalyzer( File file )
         throws IOException
     {
-        this.jarFile = new JarFile( file );
+        try
+        {
+            this.jarFile = new JarFile( file );
+        }
+        catch (ZipException e)
+        {
+            ZipException ioe = new ZipException( "Failed to open file " + file );
+            ioe.initCause( e );
+            throw ioe;
+        }
 
         // Obtain entries list.
         List entries = Collections.list( jarFile.entries() );