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Unit test initialization error

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Unit test initialization error
February 20, 2012 - 13:02
mrbhill
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Joined: 2012-02-20
Points: 0

I am a student studying enterprise component architecture. I'm working on a simple EJB project, but I am running into issues with my unit tests. I'm using Netbeans 7.1 with Glassfish 3.1.1. I have a EJB Module project with a @Stateless @LocalBean that implements a @Remote interface from another project. In the unit test I am using an embedded EJB container, and attempt to do a lookup via the context.

The problem is I am getting the following warning:

WARNING: multiple versions of ant detected in path for junit
jar:file:/C:/Program%20Files/NetBeans%207.1/java/ant/lib/ant.jar!/org/apache/tools/ant/Project.class
and jar:file:/C:/glassfish3/glassfish/modules/ant.jar!/org/apache/tools/ant/Project.class

And the following error:

Testcase: initializationError(trefliq.persistence.CredentialEJBTest): Caused an ERROR
Absent Code attribute in method that is not native or abstract in class file javax/ejb/embeddable/EJBContainer
java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/ejb/embeddable/EJBContainer
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.getDeclaredFields0(Native Method)

I am just wondering if anyone is familiar with this issue, and can perhaps give me some suggestions on how to resolve it?

Thank you for your time.

‹ Admin Object Resource not found NetBeans Platform as enterprise application deployed from glassfish ›

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Re: Unit test initialization error
February 20, 2012 - 14:50
#1
mvatkina
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Joined: 2005-04-04
Points: 0

You are running into http://java.net/jira/browse/GLASSFISH-16285. It describes the workarounds.

-marina

Re: Unit test initialization error
February 20, 2012 - 21:00
#2
mrbhill
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Joined: 2012-02-20
Points: 0

Thanks for the reply, Marina.

Removing the Ant.jar from Glassfish got rid of the Ant warning. However, I am still getting the initialization error.

Testcase: initializationError(trefliq.persistence.CredentialEJBTest): Caused an ERROR
Absent Code attribute in method that is not native or abstract in class file javax/ejb/embeddable/EJBContainer
java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/ejb/embeddable/EJBContainer
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
at java.lang.Class.getDeclaredFields(Class.java:1760)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
Do you have any ideas? Thanks for your time.

Re: Unit test initialization error
February 20, 2012 - 22:15
#3
mrbhill
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Joined: 2012-02-20
Points: 0

I figured out the absent code error. The project that contained the remote interface had the javaee-api-6.0.jar on the classpath. I did not realize this was a problem until I removed it and the error immeadiately went away.

Thanks so much for the help.