虽然我配置了事物的。但是我还是按照你说的setget了。但是仍然是那个错误Jun 25, 2014 10:02:20 AM org.apache.struts.action.RequestProcessor processException WARNING: Unhandled Exception thrown: class java.lang.reflect.InvocationTargetException Jun 25, 2014 10:02:20 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet action threw exception java.lang.NullPointerException at Task.Task1Service.insert(Task1Service.java:33) at Task.Task1Action.saveAction(Task1Action.java:22) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at Task.BaseAction.execute(BaseAction.java:35) 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) 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 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:127) 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:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source)
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean name="Task1Dao" class="Task.Task1Dao" parent="baseDao" />
<bean name="TaskService" class="Task.Task1Service">
<property name="task1Dao" ref="Task1Dao"></property>
</bean>
我觉得是不是我连接数据库的url有问题,因为我没连接过sqlserver2008 我写的数据库配置是
jdbc.driverClassName=com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc.url=jdbc:sqlserver://127.0.0.1:8888;databaseName=TASK;integratedSecurity=true;
jdbc.username=
jdbc.password=
jdbc.initialSize=1
jdbc.maxActive=500
jdbc.maxIdle=20
jdbc.minIdle=1
jdbc.poolPreparedStatements=false
jdbc.defaultAutoCommit=false
hibernate.dialect=org.hibernate.dialect.SQLServerDialect
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.hbm2ddl.auto=update
hibernate.query.factory_class=org.hibernate.hql.ast.ASTQueryTranslatorFactory
hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider
hibernate.cache.use_query_cache=true
cache.use_second_level_cache=false你知道怎么获取sqlserver的url吗,就是当前登录帐户的
String connectionUrl = "jdbc:sqlserver://192.168.5.38:8888;database=test;";
数据库连接看着没有问题
你是在service层调用dao层的,所以需要将dao注入到service里面去,检查下你的配置
WARNING: Unhandled Exception thrown: class java.lang.reflect.InvocationTargetException
Jun 25, 2014 10:02:20 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet action threw exception
java.lang.NullPointerException
at Task.Task1Service.insert(Task1Service.java:33)
at Task.Task1Action.saveAction(Task1Action.java:22)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at Task.BaseAction.execute(BaseAction.java:35)
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)
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 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:127)
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:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
我还有个疑问,service里面用了task1Dao 和 userInfoForm,怎么注入时只注入了task1Dao呢?
楼主断点下,确定下当前行 task1Dao.insert(userInfoForm);的空指针是哪个数据项为空导致的
恩恩我觉得也是这个问题,因为我刚刚在Dao层写了个方法,但是没有进去,直接还是在service层报错,肯定没找到Dao层,难道是我spring配置有问题?注解,呃,我听说过的,但是没试过,有教程的链接没
<bean name="Task1Dao" class="Task.Task1Dao" parent="baseDao" />
<bean name="TaskService" class="Task.Task1Service">
<property name="task1Dao" ref="Task1Dao"></property>
</bean>这个注入有错吗? 我在Service层中声明了这个task1Dao类的
能不能帮我看下我的spring。为什么注入了,却没注入进去呢?