java 8 - Maven, Proguard and JDK8 -


i'm trying contribute parceler library i'm having issues maven android plugin, obfuscation , jdk8.

it known issue , i've tried fix installing latest tool , specifying specific proguard.jar path. looks still failing. looking if can lead me in right direction.

meanwhile i'm digging more.

upd here error have:

caused by: java.io.ioexception: can't process class [com/oracle/net/sdp$1.class] (unsupported class version number [52.0] (maximum 51.0, java 1.7)) [info]  @ proguard.io.classreader.read(classreader.java:112) [info]  @ proguard.io.filtereddataentryreader.read(filtereddataentryreader.java:87) [info]  @ proguard.io.jarreader.read(jarreader.java:65) [info]  @ proguard.io.directorypump.readfiles(directorypump.java:65) [info]  @ proguard.io.directorypump.pumpdataentries(directorypump.java:53) [info]  @ proguard.inputreader.readinput(inputreader.java:226) [info]  ... 6 more [info] caused by: java.lang.unsupportedoperationexception: unsupported class version number [52.0] (maximum 51.0, java 1.7) [info]  @ proguard.classfile.util.classutil.checkversionnumbers(classutil.java:140) [info]  @ proguard.classfile.io.libraryclassreader.visitlibraryclass(libraryclassreader.java:89) [info]  @ proguard.classfile.libraryclass.accept(libraryclass.java:301) [info]  @ proguard.io.classreader.read(classreader.java:86) [info]  ... 11 more 

update proguard latest version in android sdk 'tools' folder link http://proguard.sourceforge.net/downloads.html


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