JaCoCo fails to start when another agent uses UUID prior to JaCoCo #551
Description
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Steps to reproduce
Create a javaagent which loads the UUID class and use that agent prior to JaCoCo.
Expected behaviour
JaCoCo should run normally
Actual behaviour
JaCoCo fails with an error similar to the following:
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:483)
at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
Caused by: java.lang.RuntimeException: Class java/util/UUID could not be instrumented.
at org.jacoco.agent.rt.internal_6effb9e.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:138)
at org.jacoco.agent.rt.internal_6effb9e.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:99)
at org.jacoco.agent.rt.internal_6effb9e.PreMain.createRuntime(PreMain.java:55)
at org.jacoco.agent.rt.internal_6effb9e.PreMain.premain(PreMain.java:47)
... 6 more
Caused by: java.lang.NoSuchFieldException: $jacocoAccess
at java.lang.Class.getField(Class.java:1690)
at org.jacoco.agent.rt.internal_6effb9e.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:136)
... 9 more
FATAL ERROR in native method: processing of -javaagent failed
Exception in thread "main"