Matteo Bertozzi created HADOOP-8509: ---------------------------------------
Summary: JarFinder duplicate entry: META-INF/MANIFEST.MF exception Key: HADOOP-8509 URL: https://issues.apache.org/jira/browse/HADOOP-8509 Project: Hadoop Common Issue Type: Bug Components: util Affects Versions: 0.23.1 Reporter: Matteo Bertozzi Priority: Minor Calling JarFinder.getJar() throws an exception if user has a "META-INF/MANIFEST.MF" in the same directory of the .class specified. Jarfinder.getJar() call createJar() that always create a new Manifest and then add all the files contained in the .class directory. To reproduce the problem in a simple way you can create a SimpleClass.java in the same directory create a META-INF/MANIFEST.MF and then call JarFinder.getJar(SimpleClass.class) {code} >> Caused by: java.util.zip.ZipException: duplicate entry: META-INF/MANIFEST.MF >> at java.util.zip.ZipOutputStream.putNextEntry(ZipOutputStream.java:175) >> at java.util.jar.JarOutputStream.putNextEntry(JarOutputStream.java:92) >> at org.apache.hadoop.util.JarFinder.zipDir(JarFinder.java:66) >> at org.apache.hadoop.util.JarFinder.zipDir(JarFinder.java:62) >> at org.apache.hadoop.util.JarFinder.zipDir(JarFinder.java:44) >> at org.apache.hadoop.util.JarFinder.createJar(JarFinder.java:93) >> at org.apache.hadoop.util.JarFinder.getJar(JarFinder.java:134) {code} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira