JAR incompatibilities

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JAR incompatibilities

by Jim Showalter-4 :: Rate this Message:

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I'm using the following classpath:

<path id="cobertura.classpath">
<fileset dir="${jars.dir}">
<include name="asm-1.5.3.jar"/>
<include name="asm-attrs-1.5.3.jar"/>
<include name="cglib-2.1_3.jar"/>
<include name="cglib-nodep-2.1_3.jar"/>
<include name="easymock-2.5.1.jar"/>
<include name="easymockclassextension.jar"/>
<include name="jmockit.jar"/>
<include name="junit-4.7.jar"/>
<include name="log4j-1.2.15.jar"/>
<include name="sqlitejdbc-v056.jar"/>
<include name="C:/Program
Files/Java/jdk1.6.0_15/lib/tools.jar"/>
</fileset>
<fileset dir="${cobertura.dir}">
<include name="cobertura.jar"/>
<include name="lib/**/*.jar"/>
</fileset>
</path>

Instrumentation fails with:

[cobertura-instrument] WARN addInstrumentationToSingleClass, Unable
to instrument file
C:\SimpleTest\target\com\jimandlisa\coverate\SimpleTest.class
[cobertura-instrument] java.lang.NoSuchMethodError:
org.objectweb.asm.ClassWriter.<init>(I)V
[cobertura-instrument] at
net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:356)
[cobertura-instrument] at
net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:416)
[cobertura-instrument] at
net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:492)
[cobertura-instrument] at
net.sourceforge.cobertura.instrument.Main.main(Main.java:514)
[cobertura-instrument] Cobertura: Saved information on 0 classes.
[cobertura-instrument] Instrument time: 547ms

If I reverse the order of the filesets in the classpath,
instrumentation succeeds, but then the tests fail with:

java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter.<init>(Z)V
at
net.sf.cglib.core.DebuggingClassWriter.<init>(DebuggingClassWriter.java:47)
at
net.sf.cglib.core.DefaultGeneratorStrategy.getClassWriter(DefaultGeneratorStrategy.java:30)
at
net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:24)
at
net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
at
org.easymock.classextension.internal.ClassProxyFactory.createProxy(ClassProxyFactory.java:93)
at
org.easymock.internal.MocksControl.createMock(MocksControl.java:51)
at org.easymock.classextension.EasyMock.createMock(EasyMock.java:46)
at com.jimandlisa.coverage.SimpleTest.testSimple(SimpleTest.java:27)

It appears I am using a version of EasyMock or one of its dependencies
that is not compatible with cobertura. What version(s) can I use?

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Re: JAR incompatibilities

by Jim Showalter-4 :: Rate this Message:

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RTF:
Why is Cobertura causing me to have classpath conflicts with ASM?

Cobertura uses ASM to modify your bytecode. There are a few other
popular programs that use ASM; Groovy and Hibernate, to name two. You
could have problems if Cobertura uses a different version of asm and
you add both versions to your classpath.

Cobertura only uses ASM when instrumenting. Cobertura does not need
ASM in your classpath when running tests. If you're seeing classpath
conflicts, just make sure the asm jar that comes with Cobertura is
used only by Cobertura, and only when instrumenting.

----- Original Message -----
From: "Jim Showalter" <jim@...>
To: <cobertura-devel@...>
Sent: Sunday, August 16, 2009 2:11 PM
Subject: JAR incompatibilities

> I'm using the following classpath:
>
> <path id="cobertura.classpath">
> <fileset dir="${jars.dir}">
> <include name="asm-1.5.3.jar"/>
> <include name="asm-attrs-1.5.3.jar"/>
> <include name="cglib-2.1_3.jar"/>
> <include name="cglib-nodep-2.1_3.jar"/>
> <include name="easymock-2.5.1.jar"/>
> <include name="easymockclassextension.jar"/>
> <include name="jmockit.jar"/>
> <include name="junit-4.7.jar"/>
> <include name="log4j-1.2.15.jar"/>
> <include name="sqlitejdbc-v056.jar"/>
> <include name="C:/Program
> Files/Java/jdk1.6.0_15/lib/tools.jar"/>
> </fileset>
> <fileset dir="${cobertura.dir}">
> <include name="cobertura.jar"/>
> <include name="lib/**/*.jar"/>
> </fileset>
> </path>
>
> Instrumentation fails with:
>
> [cobertura-instrument] WARN addInstrumentationToSingleClass,
> Unable to instrument file
> C:\SimpleTest\target\com\jimandlisa\coverate\SimpleTest.class
> [cobertura-instrument] java.lang.NoSuchMethodError:
> org.objectweb.asm.ClassWriter.<init>(I)V
> [cobertura-instrument] at
> net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:356)
> [cobertura-instrument] at
> net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:416)
> [cobertura-instrument] at
> net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:492)
> [cobertura-instrument] at
> net.sourceforge.cobertura.instrument.Main.main(Main.java:514)
> [cobertura-instrument] Cobertura: Saved information on 0 classes.
> [cobertura-instrument] Instrument time: 547ms
>
> If I reverse the order of the filesets in the classpath,
> instrumentation succeeds, but then the tests fail with:
>
> java.lang.NoSuchMethodError:
> org.objectweb.asm.ClassWriter.<init>(Z)V
> at
> net.sf.cglib.core.DebuggingClassWriter.<init>(DebuggingClassWriter.java:47)
> at
> net.sf.cglib.core.DefaultGeneratorStrategy.getClassWriter(DefaultGeneratorStrategy.java:30)
> at
> net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:24)
> at
> net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
> at
> net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
> at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
> at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
> at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
> at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
> at
> org.easymock.classextension.internal.ClassProxyFactory.createProxy(ClassProxyFactory.java:93)
> at
> org.easymock.internal.MocksControl.createMock(MocksControl.java:51)
> at org.easymock.classextension.EasyMock.createMock(EasyMock.java:46)
> at com.jimandlisa.coverage.SimpleTest.testSimple(SimpleTest.java:27)
>
> It appears I am using a version of EasyMock or one of its
> dependencies that is not compatible with cobertura. What version(s)
> can I use?

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