在网页连接到iSQL*Plus显示如下错误信息是怎么回事?

redlqs

在直接在地址栏里写http://IP:5560/isqlplus/的时候能进入并进行SQL查询等操作,但从
EM网页连接到iSQL*Plus显示如下错误信息是怎么回事?
500 Internal Server Error
java.lang.NullPointerException        at java.util.ArrayList.<init>(ArrayList.java:132)        at oracle.sysman.emo.smap.AlertsDataSource.<init>(AlertsDataSource.java:123)        at oracle.sysman.emo.smap.DBInstance.getAlertsUIDataSource(DBInstance.java:1729)        at oracle.sysman.db.adm.inst.SitemapController.setRequestAttributes(SitemapController.java:710)        at oracle.sysman.db.adm.BaseController.handleEvent(BaseController.java:73        at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:376)        at oracle.sysman.db.adm.DBControllerResolver.handleRequest(DBControllerResolver.java:115)        at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:68        at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:291)        at oracle.sysman.eml.app.Console.doGet(Console.java:285)        at oracle.cabo.servlet.UIXServlet.doPost(Unknown Source)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)        at oracle.sysman.emSDK.svlt.EMRedirectFilter.doFilter(EMRedirectFilter.java:101)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)        at oracle.sysman.db.adm.inst.HandleRepDownFilter.doFilter(HandleRepDownFilter.java:133)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)        at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:269)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:600)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)        at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)        at java.lang.Thread.run(Thread.java:534)


谢谢大哥关注!

没人理偶呢?..........................晕倒.

[ 本帖最后由 redlqs 于 2005-11-29 15:19 编辑 ]