該類繼承了BaseDataSource類，實現了Referenceable和XADataSource兩個接口package com.oscar.xa;import com.oscar.Driver;import com.oscar.jdbcx.optional.BaseDataSource;import java.sql.Connection;import java.sql.SQLException;import javax.naming.Reference;import javax.naming.Referenceable;import javax.sql.XAConnection;import javax.sql.XADataSource;public class Jdbc3XADataSource extends BaseDataSource implements Referenceable, XADataSource{ public String getDescription() { return "JDBC3 XA-enabled DataSource from " + Driver.getVersion(); } public XAConnection getXAConnection() throws SQLException { return getXAConnection(getUser(), getPassWord()); } public XAConnection getXAConnection(String user, String password) throws SQLException { Connection con = super.getConnection(user, password); return new Jdbc3XAConnection(con); } PRotected Reference createReference() { return new Reference(getClass().getName(), OSCARXADataSourceFactory.class.getName(), null); }}com.oscar.xa.Jdbc3XAConnection 封裝物理連接com.oscar.jdbc.OscarJdbc2Connection錯誤java.sql.SQLException: error enlisting a JdbcConnectionHandle of a JdbcPooledConnection from datasource *******DS in state accessIBLE with usage count 1 wrapping com.oscar.xa.Jdbc3XAConnection@11a438e on Pooled connection wrapping physical connection com.oscar.jdbc.OscarJdbc2Connection@4c3a7d Query: sql語句略 order by t1.id desc Parameters: [] at org.apache.commons.dbutils.AbstractQueryRunner.rethrow(AbstractQueryRunner.java:392) at org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:413) at org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:213) at com.包名略.common.db.BaseDAO$1ExecuteCallback.execute(BaseDAO.java:73) at com.包名略.common.db.BaseDAO.execute(BaseDAO.java:443) at com.包名略.common.db.BaseDAO.query(BaseDAO.java:76) at com.包名略.common.db.BaseDAO.executeQuery(BaseDAO.java:55) at com.包名略.包名略.包名略.包名略.dao.jdbc.類名略.getActivityEventListNonPaged(ActivityEventDaoPostgreSqlImpl.java:229) at com.包名略.包名略.包名略.包名略.cache.類名略.initActivityEventCache(ActivityEventCacheManager.java:220) at com.包名略.包名略.包名略.包名略.cache.類名略$$FastClassBySpringCGLIB$$fa7de9b.invoke(<generated>)
