hibernate异常

测试积点老人

请问这个是什么异常，该怎么解决？

1. org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
   
2. 
   
3. at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:108)
   
4. 
   
5. at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:133)
   
6. 
   
7. at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:80)
   
8. 
   
9. at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:322)
   
10. 
    
11. at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:485)
    
12. 
    
13. at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:133)
    
14. 
    
15. at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
    
16. 
    
17. at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:286)
    
18. 
    
19. at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1872)
    
20. 
    
21. at com.itheima.onetomany.onetomanytest.test1(onetomanytest.java:12)
    
22. 
    
23. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    
24. 
    
25. at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    
26. 
    
27. at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    
28. 
    
29. at java.lang.reflect.Method.invoke(Unknown Source)
    
30. 
    
31. at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    
32. 
    
33. at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    
34. 
    
35. at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    
36. 
    
37. at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    
38. 
    
39. at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    
40. 
    
41. at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    
42. 
    
43. at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    
44. 
    
45. at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    
46. 
    
47. at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    
48. 
    
49. at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    
50. 
    
51. at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    
52. 
    
53. at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    
54. 
    
55. at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    
56. 
    
57. at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
    
58. 
    
59. at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
    
60. 
    
61. at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
    
62. 
    
63. at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
    
64. 
    
65. at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
    
66. 
    
67. at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
    
68. 
    
69. Caused by: java.lang.reflect.InvocationTargetException
    
70. 
    
71. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    
72. 
    
73. at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    
74. 
    
75. at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    
76. 
    
77. at java.lang.reflect.Constructor.newInstance(Unknown Source)
    
78. 
    
79. at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:105)
    
80. 
    
81. ... 32 more
    
82. 
    
83. Caused by: org.hibernate.PropertyNotFoundException: Could not find a getter for Students in class com.itheima.onetomany.Grade
    
84. 
    
85. at org.hibernate.property.BasicPropertyAccessor.createGetter(BasicPropertyAccessor.java:326)
    
86. 
    
87. at org.hibernate.property.BasicPropertyAccessor.getGetter(BasicPropertyAccessor.java:320)
    
88. 
    
89. at org.hibernate.mapping.Property.getGetter(Property.java:330)
    
90. 
    
91. at org.hibernate.tuple.entity.PojoEntityTuplizer.buildPropertyGetter(PojoEntityTuplizer.java:297)
    
92. 
    
93. at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:155)
    
94. 
    
95. at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:77)
    
96. 
    
97. ... 37 more

复制代码

abcsell

组件获取失败了

jingzizx

缺少方法

qqq911

重装下

海海豚

https://www.cnblogs.com/e206842/p/6550605.html