求助，在运行hibernate测试时报错，请大神教教我

Question

java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/ExecutionException
at net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:418)
at net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:334)
at net.sf.ehcache.CacheManager.configure(CacheManager.java:306)
at net.sf.ehcache.CacheManager.init(CacheManager.java:226)
at net.sf.ehcache.CacheManager.(CacheManager.java:213)
at org.hibernate.cache.EhCacheProvider.start(EhCacheProvider.java:131)
at org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge.start(RegionFactoryCacheProviderBridge.java:72)
at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:238)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1872)
at com.oa.test.Test.getConnection(Test.java:12)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.ClassNotFoundException: edu.emory.mathcs.backport.java.util.concurrent.ExecutionException
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 32 more
这是hibernate配置


<!-- 数据库配置 -->

org.hibernate.dialect.MySQL5Dialect

<!-- 连接信息写到spring中 -->

jdbc:mysql://192.168.3.121:3306/activity?characterEncoding=UTF8


com.mysql.jdbc.Driver

root
123456
<!--启用c3p0作为连接池 -->
30
1
5000
<!-- 其他配置 -->
true
true
true
update
<!-- 开启二级缓存 -->
true
org.hibernate.cache.EhCacheProvider
<!-- 启用查询缓存 -->
true
30
30
<!-- 不使用验证 -->
none
<!--为每个线程产生一个Session-->
thread
<!-- 导入映射配置 -->

Answer 1

http://blog.csdn.net/u013239111/article/details/22402937