java.lang.ClassFormatError: Invalid method Code length 65556 in class file

[red]

Hi,

We have a simple test for a groovy file, and after adding 5 more params to it, we are now getting this error.

What is Spock doing under the covers to generate that?  And is there a way to avoid it?

[grze...@gmail.com]

Have you @Unroll your parameterized test method ? 

AFAIK if you don't do this, all cases will be generated in one method, so it could be possible that it will be very large.

Cheers,

Grzesiek

[Raffael Herzog]

Am Mittwoch, 6. Mai 2015, 02.00:51 schrieb grze...@gmail.com:
> Have you @Unroll your parameterized test method ?
>
> AFAIK if you don't do this, all cases will be generated in one method, so
> it could be possible that it will be very large.

If that is actually the case, I would seriously consider changing that.

Cheers,
Raffi

[David Hay]

Thanks for the suggestion...I tried @Unroll to no effect:

net.sf.cglib.core.CodeGenerationException: java.lang.reflect.InvocationTargetException-->null

at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:237)

at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)

at net.sf.cglib.proxy.Enhancer.createClass(Enhancer.java:317)

at org.spockframework.mock.runtime.ProxyBasedMockFactory$CglibMockFactory.createMock(ProxyBasedMockFactory.java:91)

at org.spockframework.mock.runtime.ProxyBasedMockFactory.create(ProxyBasedMockFactory.java:49)

at org.spockframework.mock.runtime.JavaMockFactory.create(JavaMockFactory.java:51)

at org.spockframework.mock.runtime.CompositeMockFactory.create(CompositeMockFactory.java:44)

at org.spockframework.lang.SpecInternals.createMock(SpecInternals.java:47)

at org.spockframework.lang.SpecInternals.createMockImpl(SpecInternals.java:282)

at org.spockframework.lang.SpecInternals.MockImpl(SpecInternals.java:99)

at com.package.MySpec.$spock_initializeFields(MySpec.groovy:28)

Caused by: java.lang.reflect.InvocationTargetException

at net.sf.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:384)

at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:219)

... 10 more

Caused by: java.lang.ClassFormatError: Invalid method Code length 67622 in class file com.package.MyClass$$EnhancerByCGLIB$$281952b3_4

at java.lang.ClassLoader.defineClass(ClassLoader.java:800)

... 12 more

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[Peter Niederwieser]

In 7 years of using Spock, I've never seen this error for a Spock test class, but I’ve seen it for plain Groovy classes a few times. Perhaps try with a different/later Groovy version.

[Peter Niederwieser]

It’s absolutely not the case. @Unroll only effects how tests are *reported*, nothing else.

[grze...@gmail.com]

W dniu czwartek, 7 maja 2015 04:57:43 UTC+2 użytkownik Peter Niederwieser napisał:

It’s absolutely not the case. @Unroll only effects how tests are *reported*, nothing else.

Ok, apologies from my side,  I though that it is related how method is generated

@red 

Could you provide some example class which reproduces the bug if its possible ?

Regards,

Grzesiek