異常代碼:

org.hibernate.exception.GenericJDBCException: could not insert: [com.huama.equma.entity.DicPackage]

java.sql.DataTruncation: Data truncation

java.sql.SQLException: 將截斷字符串或二進制數據org.hibernate.exception.GenericJDBCException: could not insert: [com.yp.Person]

at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)

at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)

at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2272)

at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2665)

at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:60)

at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)

at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263)

at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:167)

at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)

at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)

at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)

at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)

at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)

at com.yp.db.PersistenceService.save(PersistenceService.java:191)

at com.yp.action.PersonAction.personAdd(PersonAction.java:216)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:585)

at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)

at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)

at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)

at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)

at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)

at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at com.yp.db.Filter.doFilter(PersistenceFilter.java:46)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at com.yp.util.Filter.doFilter(EncodingFilter.java:45)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

at java.lang.Thread.run(Thread.java:595)

Caused by: java.sql.DataTruncation: Data truncation

at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:378)

at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2778)

at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2214)

at net.sourceforge.jtds.jdbc.TdsCore.getMoreResults(TdsCore.java:597)

at net.sourceforge.jtds.jdbc.JtdsStatement.processResults(JtdsStatement.java:465)

at net.sourceforge.jtds.jdbc.JtdsStatement.executeSQL(JtdsStatement.java:427)

at net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeUpdate(JtdsPreparedStatement.java:397)

at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:105)

at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:23)

at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2252)

... 45 more

出錯分析:在jdbc插入數據時，當數據庫表中某列設置的長度小于要插入的字符的實際長度時就會拋出此異常。

如：數據表中某列char [4]，長度為4，插入："string"時，字符"string"長度超過4，拋出異常。據超過了字段的限制導致截斷

解決方法:在.hbm配置文件中把String長度設置大一些,默認是255

總結

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