Antlr Python target - exception while generating .py files

[Saroja Parameswaran]

Hi,

Classpath has both antlr-3.1.3.jar and antlr-runtime-3.1.3.jar. I get the below exception.

java org.antlr.Tool *.g

Exception in thread "main" java.lang.NoClassDefFoundError: antlr/RecognitionException

at org.antlr.Tool.getRootGrammar(Tool.java:551)

at org.antlr.Tool.process(Tool.java:422)

at org.antlr.Tool.main(Tool.java:91)

Caused by: java.lang.ClassNotFoundException: antlr.RecognitionException

at java.net.URLClassLoader$1.run(URLClassLoader.java:200)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)

at java.lang.ClassLoader.loadClass(ClassLoader.java:252)

at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)

... 3 more

 Can anyone provide me the solution?

Thanks,

Saroja

[Terence Parr]

you need ANTLR v2 in classpath

T

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[Saroja Parameswaran]

Thank you for the response. I used antlr-3.5-complete-no-st3.jar to generate Python 3.3.