Hi,
ok, you could narrow down the instrumentation to your project by
specifying
includes="com.yourcompany.*"
But this is not the cause of the exception. There is another problem
with your build script: You define a JaCoCo agent via JVM args and use
the jacoco:coverage task. This will result in two JaCoCo agents
configured for your tests and causes " Class
xy is already instrumented."
Please take a look at our documentation:
http://www.eclemma.org/jacoco/trunk/doc/
It includes a working Ant example:
http://www.eclemma.org/jacoco/trunk/doc/examples/build/build.xml
regards,
-marc
On 2015-06-18 16:03, [email protected] wrote:
Thanks Marc for the quick reply. Made the change as you suggested,
however it seems it's trying to instrument all files including TestNG
and Apache files. Throwing exception like, it's huge stack trace...
report:
[jacoco:coverage] Enhancing testng with coverage
[testng] java.lang.instrument.IllegalClassFormatException: Error
while instrumenting class org/testng/TestNG.
[testng] at
org.jacoco.agent.rt.internal_13ff51f.CoverageTransformer.transform(CoverageTransformer.java:89)
[testng] at
sun.instrument.TransformerManager.transform(TransformerManager.java:181)
[testng] at
sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:377)
[testng] at java.lang.ClassLoader.defineClassImpl(Native Method)
[testng] at java.lang.ClassLoader.defineClass(ClassLoader.java:262)
[testng] at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:69)
[testng] at
java.net.URLClassLoader.defineClass(URLClassLoader.java:540)
[testng] at
java.net.URLClassLoader.defineClass(URLClassLoader.java:451)
[testng] at
java.net.URLClassLoader.access$300(URLClassLoader.java:79)
[testng] at
java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1038)
[testng] at
java.security.AccessController.doPrivileged(AccessController.java:314)
[testng] at
java.net.URLClassLoader.findClass(URLClassLoader.java:429)
[testng] at
java.lang.ClassLoader.loadClassHelper(ClassLoader.java:665)
[testng] at java.lang.ClassLoader.loadClass(ClassLoader.java:644)
[testng] at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)
[testng] at java.lang.ClassLoader.loadClass(ClassLoader.java:627)
[testng] Caused by: java.io.IOException: Error while instrumenting
class org/testng/TestNG.
[testng] at
org.jacoco.agent.rt.internal_13ff51f.core.instr.Instrumenter.instrumentError(Instrumenter.java:152)
[testng] at
org.jacoco.agent.rt.internal_13ff51f.core.instr.Instrumenter.instrument(Instrumenter.java:103)
[testng] at
org.jacoco.agent.rt.internal_13ff51f.CoverageTransformer.transform(CoverageTransformer.java:87)
[testng] ... 15 more
[testng] Caused by: java.lang.IllegalStateException: Class
org/testng/TestNG is already instrumented.
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