In case of failures the agent should log the original exception.

1 files changed, 4 insertions, 5 deletions

diff --git a/org.jacoco.agent.rt/src/org/jacoco/agent/rt/CoverageTransformer.java b/org.jacoco.agent.rt/src/org/jacoco/agent/rt/CoverageTransformer.java
index 407919b3..52b4d116 100644
--- a/org.jacoco.agent.rt/src/org/jacoco/agent/rt/CoverageTransformer.java
+++ b/org.jacoco.agent.rt/src/org/jacoco/agent/rt/CoverageTransformer.java
@@ -78,13 +78,12 @@ public class CoverageTransformer implements ClassFileTransformer {
 

 		try {

 			return instrumenter.instrument(classfileBuffer);

-		} catch (final Throwable t) {

-			final String msg = "Error while instrumenting class %s.";

-			final IllegalClassFormatException ex = new IllegalClassFormatException(

-					format(msg, classname));

+		} catch (final Exception ex) {

 			// Report this, as the exception is ignored by the JVM:

 			logger.logExeption(ex);

-			throw (IllegalClassFormatException) ex.initCause(t);

+			final IllegalClassFormatException wrapper = new IllegalClassFormatException(

+					format("Error while instrumenting class %s.", classname));

+			throw (IllegalClassFormatException) wrapper.initCause(ex);

 		}

 	}