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webs

在使用dbutils时找不到import org.apache.commons.dbcp.BasicDataSource;



原因：没有导入commons-dbcp.Jar包



严重: Servlet.service() for servlet action threw exception

java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool

    at org.apache.commons.dbcp.BasicDataSourceFactory.createDataSource(BasicDataSourceFactory.java:152)

    at org.apache.commons.dbutils.ApplicationConnSource.init(ApplicationConnSource.java:74)

    at org.apache.commons.dbutils.ApplicationConnSource.getConnection(ApplicationConnSource.java:40)

    at service.ImageService.addMsg(ImageService.java:36)

    at action.ImageAction.execute(ImageAction.java:40)

    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)

    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)

    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)



原因是工具myEclipse在建立项目的时候，少加一个包 commons-pool-1.3.jar

补上去问题解决。