这里使用google的Gson包做JSON转换,因为较早的1.4版本的FieldAttributes类中没有getDeclaringClass()这个方法,这个方法是获取field所属的类,在我的排除策略中会用到. 排除策略   最简单的gson转换可以是这样的,但却没有多少实际的作用.切面日志时,一个实体和其他实体存在关联,这时候就需要通过自定义排除策略决定如何转换关联对象,否则可能出现“爆炸式”的json字符串. Gson gson = new Gson(); int[] ints = {1…

当我们使用gson 转对象时,并且这个对象中有一些属性是懒加载时如 @Entity @Table(name = "user") public class User { @Id @Column(columnDefinition="varchar(255)") @GeneratedValue(generator="idGenerator") @GenericGenerator(name="idGenerator", strateg…

Autowiring of fields failed; nested exception is...........Error creating bean with name 'siteOperaterFactory': Autowiring of fields fa ...........java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuratio 看开头是以为是创建siteOperaterFactory实例出的错,再看后面,原…

Caused by: java.lang.NoClassDefFoundError: org/hibernate/annotations/common/reflection/MetadataProvider    at java.lang.Class.getDeclaredConstructors0(Native Method)    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)    at java.lan…

1.错误描述 usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop } 2014-7-12 15:02:17 org.apache.catalina.core.AprLifecycleListener init 信息: Loaded APR based Apache Tomcat Native library 1.1.29 using…

1.错误描述 usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop } 2014-7-12 14:46:04 org.apache.catalina.core.AprLifecycleListener init 信息: Loaded APR based Apache Tomcat Native library 1.1.29 using…

1.错误描述 2014-7-12 22:08:01 org.hibernate.tool.hbm2ddl.SchemaUpdate execute INFO: HHH000232: Schema update complete 2014-7-12 22:08:01 org.hibernate.internal.SessionFactoryImpl buildCurrentSessionContext ERROR: HHH000302: Unable to construct current se…

1.错误描述 信息: MLog clients using java 1.4+ standard logging. 2014-7-12 19:29:20 com.mchange.v2.c3p0.C3P0Registry banner 信息: Initializing c3p0-0.9.2.1 [built 20-March-2013 10:47:27 +0000; debug? true; trace: 10] 2014-7-12 19:29:21 org.springframework.web…

org.hibernate.QueryException: JPA-style positional param was not an integral ordinal; nested exception is java.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinal 在用jpa nativequery语句中,用s…

在做ssh整合的时候报错:java.lang.NoClassDefFoundError: org/hibernate/QueryTimeoutException org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:644) org.springframework.orm.hibernate3.HibernateAccessor…