Philippe, have you faced with the following issue? It seems to fail to locate /org/apache/jmeter/jmeter_as_ascii_art.txt somehow.
bash-3.2$ git fetch && git reset --hard origin/trunk && ant download_jars && ant clean && ant bash-3.2$ ./jmeter -t SaveConfig.jmx -Dsaveconfig.sort=text java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.apache.jmeter.NewDriver.main(NewDriver.java:259) Caused by: java.lang.NullPointerException at java.io.Reader.<init>(Reader.java:78) at java.io.InputStreamReader.<init>(InputStreamReader.java:113) at org.apache.commons.io.IOUtils.copy(IOUtils.java:1906) at org.apache.commons.io.IOUtils.toString(IOUtils.java:778) at org.apache.commons.io.IOUtils.toString(IOUtils.java:759) at org.apache.jmeter.JMeter.start(JMeter.java:368) ... 5 more JMeter home directory was detected as: /Users/vladimirsitnikov/Documents/code/jmeter bash-3.2$ java -version java version "1.8.0_66" Java(TM) SE Runtime Environment (build 1.8.0_66-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode) OS X 10.11.2 Vladimir