i think all my machines are java 8. i'll try kali later and see if i can
reproduce the issue.
On Wed, Sep 21, 2016 at 4:18 AM tosiara [email protected] wrote:

I run Burp on:

cat /etc/issue

Kali GNU/Linux 2.0 \n \l

uname -a

Linux burpbox 4.0.0-kali1-686-pae #1 SMP Debian 4.0.4-1+kali2 (2015-06-03) i686 GNU/Linux

java -version

java version "1.7.0_79"
OpenJDK Runtime Environment (IcedTea 2.5.6) (7u79-2.5.6-1~deb8u1)
OpenJDK Server VM (build 24.79-b02, mixed mode)

And get this when loading extension:

java.lang.UnsupportedClassVersionError: burp/BurpExtender : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:274)
at burp.mdh.a(Unknown Source)
at burp.mdh.(Unknown Source)
at burp.w6f.a(Unknown Source)
at burp.n1d.run(Unknown Source)
at java.lang.Thread.run(Thread.java:745)

What versions of java are supported?

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Could you post instructions on wiki how to compile extension using local JDK? Thanks

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you should be able to use egit in eclipse to pull the project into eclipse
directly from github then convert to a maven project. ideally that should
be it but it's never that simple :).

On Wed, Sep 21, 2016 at 7:32 AM tosiara [email protected] wrote:

Could you post instructions on wiki how to compile extension using local
JDK? Thanks

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I just checked my code and you will need java 8 even if you try to compile locally. Your quickest option would be to install java 1.8 on kali. Otherwise your going to have to go through the steps to set up the dev env and patch my code to use java 1.7 libraries for some of the methods.

Here is how to install java8 on kali.
https://forums.kali.org/showthread.php?20808-Install-Java-8-on-Kali-Linux

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