How can I solve NoClassDefFoundError
metalhamster Nov 26, 2013 7:31 AMHi everyone,
Before I tell you what my problem is, I think it's better to briefly explain how my project is structured.
My project has the following structure:
myproject
\_ myproject-application
\_ myproject-common
\_ ch/myproject/common/errors/RestError.java
\_ myproject-web
\_ ch/myproject/web/rest/Resource.java
\_ myproject-test
\_ ch/myproject/test/arquillian/rest/ResourceIntTest.java
myproject-application will build an ear with the war of myproject-web inside it. And myproject-web has a reference to RestError of myproject-common.
For the testing I generate a test.jar that I add to the ear file and then deploy the ear file. So far so good.
But now I want to test if the response contains the expected error when I request an inexisting resource on my REST API.
However, if I try to parse the response body to my class RestError I'll get a NoClassDefFoundError.
As I have understood, this means that the class is found during build time but later it is not found anymore.
What do I do wrong?
log:
[junit] Testcase: testGetInexistingResource took 0.793 sec
[junit] Caused an ERROR
[junit] ch/myproject/common/errors/RestError
[junit] java.lang.NoClassDefFoundError: ch/myproject/common/errors/RestError
[junit] at ch.myproject.test.arquillian.rest.ResourceIntTest.testGetInexistingResource(ResourceIntTest.java:137)
[junit] at org.jboss.arquillian.junit.Arquillian$6$1.invoke(Arquillian.java:270)
[junit] at org.jboss.arquillian.container.test.impl.execution.LocalTestExecuter.execute(LocalTestExecuter.java:60)
[junit] at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
[junit] at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
[junit] at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115)
[junit] at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)
[junit] at org.jboss.arquillian.container.test.impl.execution.ContainerTestExecuter.execute(ContainerTestExecuter.java:38)
[junit] at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
[junit] at org.jboss.arquillian.test.impl.TestContextHandler.createTestContext(TestContextHandler.java:89)
[junit] at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
[junit] at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75)
[junit] at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
[junit] at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60)
[junit] at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
[junit] at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
[junit] at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
[junit] at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.test(EventTestRunnerAdaptor.java:111)
[junit] at org.jboss.arquillian.junit.Arquillian$6.evaluate(Arquillian.java:263)
[junit] at org.jboss.arquillian.junit.Arquillian$4.evaluate(Arquillian.java:226)
[junit] at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
[junit] at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
[junit] at org.jboss.arquillian.junit.Arquillian$5.evaluate(Arquillian.java:240)
[junit] at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:185)
[junit] at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
[junit] at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
[junit] at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:199)
[junit] at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:147)
[junit] at org.jboss.arquillian.junit.container.JUnitTestRunner.execute(JUnitTestRunner.java:65)
[junit] at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.executeTest(ServletTestRunner.java:160)
[junit] at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.execute(ServletTestRunner.java:126)
[junit] at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.doGet(ServletTestRunner.java:90)
[junit] at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
[junit] at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
[junit] at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1542)
[junit] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
[junit] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
[junit] at ch.adnovum.jcan.ee6.web.filters.CacheHeaderFilter.doFilter(CacheHeaderFilter.java:136)
[junit] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
[junit] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
[junit] at ch.adnovum.jcan.ee6.web.filters.RequestResponseLoggingFilter.doFilter(RequestResponseLoggingFilter.java:174)
[junit] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
[junit] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
[junit] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
[junit] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
[junit] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
[junit] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
[junit] at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
[junit] at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
[junit] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
[junit] at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
[junit] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
[junit] at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
[junit] at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
[junit] at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
[junit] at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
[junit] at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
[junit] at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
[junit] at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
[junit] at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
[junit] at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
[junit] at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
[junit] at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
[junit] at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
[junit] at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
[junit] at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
[junit] at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
[junit] at java.lang.Thread.run(Thread.java:722)
[junit] Caused by: java.lang.ClassNotFoundException: ch.myproject.common.errors.RestError
[junit] at com.sun.enterprise.loader.ASURLClassLoader.findClassData(ASURLClassLoader.java:787)
[junit] at com.sun.enterprise.loader.ASURLClassLoader.findClass(ASURLClassLoader.java:696)
[junit] at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
[junit] at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
Cheers,
metalhamster