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Christian Schulte commented on MJARSIGNER-21: --------------------------------------------- Signing with JDK 7 and verifying with JDK 5 and 6 works for me. Can you try unsigning the archives prior to signing (removeExistingSignatures parameter) ? What exactly is invalid about the signatures ? > jars signed using Java 7 have "invalid SHA1 signature" > ------------------------------------------------------ > > Key: MJARSIGNER-21 > URL: https://jira.codehaus.org/browse/MJARSIGNER-21 > Project: Maven 2.x Jar Signer Plugin > Issue Type: Bug > Affects Versions: 1.2 > Environment: Java 7, Maven 2.2.1 > Reporter: Mike Calmus > Priority: Critical > > Using the plugin with Java 6 works fine. When I use it with Java 7, my applet > won't load because the SHA1 signatures are invalid. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira