Research Academy
My account Customers About Blog Careers Legal Contact Resellers

Burp Suite User Forum

Create new post

Cannot Load python extensions.

;NUR�EN�ZKAN | Last updated: Mar 07, 2022 12:32PM UTC

I get errors when i try to load python based extensions (i downloaded jython standalone and adressed in extension options) error is like this: java.lang.ExceptionInInitializerError at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:99) at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:93) at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:70) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at burp.c8o.<init>(Unknown Source) at burp.ba0.a(Unknown Source) at burp.ctj.lambda$panelLoaded$0(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) at java.base/java.lang.Thread.run(Thread.java:831) Caused by: java.lang.IllegalArgumentException: Cannot create PyString with non-byte value at org.python.core.PyString.<init>(PyString.java:57) at org.python.core.PyString.<init>(PyString.java:70) at org.python.core.PyString.<init>(PyString.java:74) at org.python.core.Py.newString(Py.java:643) at org.python.core.PyJavaType.init(PyJavaType.java:543) at org.python.core.PyType$Registry.createType(PyType.java:477) at org.python.core.PyType$Registry.addFromClass(PyType.java:426) at org.python.core.PyType$Registry.resolveType(PyType.java:352) at org.python.core.PyType$Registry$1.computeValue(PyType.java:208) at org.python.core.PyType$Registry$1.computeValue(PyType.java:202) at java.base/java.lang.ClassValue.getFromHashMap(ClassValue.java:228) at java.base/java.lang.ClassValue.getFromBackup(ClassValue.java:210) at java.base/java.lang.ClassValue.get(ClassValue.java:116) at org.python.core.PyType.fromClass(PyType.java:2137) at org.python.core.PyObject.<init>(PyObject.java:85) at org.python.core.PySingleton.<init>(PySingleton.java:9) at org.python.core.PyNotImplemented.<init>(PyNotImplemented.java:10) at org.python.core.Py.<clinit>(Py.java:66) ... 16 more Burp Suite version: 2022.1.1 JDK version: 14.0.2 jython-standalone version: 2.7.2

Liam, PortSwigger Agent | Last updated: Mar 07, 2022 12:58PM UTC

We've done some testing with jython-standalone version: 2.7.2, we haven't been able to reproduce this issue. Could you try using the platform installer version of Burp Suite?

;NUR�EN�ZKAN | Last updated: Mar 08, 2022 09:14AM UTC

Yes, i tried. Still same issue.

Ben, PortSwigger Agent | Last updated: Mar 08, 2022 09:45AM UTC

Hi Nursen, We have just received your email regarding the same issue so we will reply there so that we can obtain some further information/screenshots from you.

You must be an existing, logged-in customer to reply to a thread. Please email us for additional support.