Oracle 11G EM not working on Windows 7

问题

I have installed oracle 11G release 2 on my Windows 7 ultimate 64 bit computer but I am unable to run em. When I login it generates an error 'Internal error has occcured check log file for details' Following I have observed:

Service ORACLEDBConsoleorcl has not started.
When I execute emctl start dnconsole, it gives me an error "A specific service error occured: 2" followed by "more help is available by typing NET HELPMSG "
After the installation database configuration assistant gave me a warning of "Error starting database control. Please execute the following commands
- Set the enviroment variable ORACLE_UNQNAME to database unique name
- c:\app\henry\product\11.2.0\dbhome_1\bin\emctl.bat start dbconsole
Following is the detail of enoms

2011-05-30 13:05:05,601 [EMUI_13_05_05_/console/database/instance/sitemap] ERROR perf.sitemap initializeGeneral.580 - Failed to initialize object: ORA-20206: 
ORA-06512: at "SYSMAN.EMD_DATABASE", line 1297
ORA-01403: no data found
ORA-06512: at line 1

2011-05-30 13:05:05,788 [MetricCollector:HOMETAB_THREAD600:60] ERROR rt.DbMetricCollectorTarget _getAllData.344 - java.lang.NullPointerException
java.lang.NullPointerException
    at oracle.sysman.emSDK.emd.comm.EMDClient.getURL(EMDClient.java:1570)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getConnection(EMDClient.java:1266)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getConnection(EMDClient.java:1242)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getResponseForRequest(EMDClient.java:1689)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getMetrics(EMDClient.java:981)
    at oracle.sysman.emo.perf.metric.rt.DbHomeTab._getAllData(DbHomeTab.java:340)
    at oracle.sysman.emo.perf.metric.rt.DbHomeTab.getData(DbHomeTab.java:154)
    at oracle.sysman.emo.perf.metric.eng.MetricCached.collectCachedData(MetricCached.java:416)
    at oracle.sysman.emo.perf.metric.eng.MetricCollectorThread._collectCachedData(MetricCollectorThread.java:605)
    at oracle.sysman.emo.perf.metric.eng.MetricCollectorThread.run(MetricCollectorThread.java:325)
    at java.lang.Thread.run(Thread.java:595)
2011-05-30 13:05:05,788 [MetricCollector:HOMETAB_THREAD600:60] ERROR rt.DbMetricCollectorTarget _getAllData.344 - java.lang.NullPointerException
java.lang.NullPointerException
    at oracle.sysman.emSDK.emd.comm.EMDClient.getURL(EMDClient.java:1570)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getConnection(EMDClient.java:1266)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getConnection(EMDClient.java:1242)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getResponseForRequest(EMDClient.java:1689)
    at oracle.sysman.emSDK.emd.comm.EMDClient.getMetrics(EMDClient.java:981)
    at oracle.sysman.emo.perf.metric.rt.DbHomeTab._getAllData(DbHomeTab.java:340)
    at oracle.sysman.emo.perf.metric.rt.DbHomeTab.getData(DbHomeTab.java:154)
    at oracle.sysman.emo.perf.metric.eng.MetricCached.collectCachedData(MetricCached.java:416)
    at oracle.sysman.emo.perf.metric.eng.MetricCollectorThread._collectCachedData(MetricCollectorThread.java:605)
    at oracle.sysman.emo.perf.metric.eng.MetricCollectorThread.run(MetricCollectorThread.java:325)
    at java.lang.Thread.run(Thread.java:595)
2011-05-30 13:05:05,788 [EMUI_13_05_05_/console/database/instance/sitemap] ERROR perf.sitemap initializeFromAgent.1047 - java.lang.NullPointerException
java.lang.NullPointerException
    at oracle.sysman.emSDK.emd.dtd.ValueRow.getNumValue(ValueRow.java:330)
    at oracle.sysman.emSDK.emd.dtd.ValueRow.getNumValue(ValueRow.java:366)
    at oracle.sysman.emo.smap.DBInstanceInitializer.initializeFromAgent(DBInstanceInitializer.java:998)
    at oracle.sysman.emo.smap.DBInstanceInitializer.initialize(DBInstanceInitializer.java:395)
    at oracle.sysman.emo.smap.DBInstance.init(DBInstance.java:643)
    at oracle.sysman.db.adm.inst.SitemapController.getBean(SitemapController.java:3570)
    at oracle.sysman.db.adm.inst.SitemapController.getInstanceBean(SitemapController.java:2963)
    at oracle.sysman.db.adm.inst.SitemapController.logFeatureUsageHomePage(SitemapController.java:6384)
    at oracle.sysman.db.adm.inst.SitemapController.onDoLoad(SitemapController.java:3058)
    at oracle.sysman.db.adm.BaseController.handleEvent(BaseController.java:1306)
    at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:577)
    at oracle.sysman.db.adm.RootController.handleRequest(RootController.java:235)
    at oracle.sysman.db.adm.BaseController.handleRequest(BaseController.java:1238)
    at oracle.sysman.db.adm.DBControllerResolver.handleRequest(DBControllerResolver.java:139)
    at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:787)
    at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:343)
    at oracle.sysman.eml.app.Console.doGet(Console.java:319)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
    at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
    at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:208)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
    at oracle.sysman.db.adm.inst.HandleRepDownFilter.doFilter(HandleRepDownFilter.java:165)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.eml.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:122)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.emSDK.svlt.EMRedirectFilter.doFilter(EMRedirectFilter.java:102)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:357)
    at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
    at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
    at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
    at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
    at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
    at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
    at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
    at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
    at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
    at java.lang.Thread.run(Thread.java:595)
2011-05-30 13:05:05,803 [EMUI_13_05_05_/console/database/instance/sitemap] ERROR svlt.PageHandler handleRequest.639 - java.lang.NullPointerException
java.lang.NullPointerException
    at oracle.sysman.util.jdk.VersionUtil.compareVersion(VersionUtil.java:63)
    at oracle.sysman.db.adm.inst.SitemapController.setRequestAttributes(SitemapController.java:1355)
    at oracle.sysman.db.adm.BaseController.handleEvent(BaseController.java:1391)
    at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:577)
    at oracle.sysman.db.adm.RootController.handleRequest(RootController.java:235)
    at oracle.sysman.db.adm.BaseController.handleRequest(BaseController.java:1238)
    at oracle.sysman.db.adm.DBControllerResolver.handleRequest(DBControllerResolver.java:139)
    at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:787)
    at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:343)
    at oracle.sysman.eml.app.Console.doGet(Console.java:319)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
    at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
    at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:208)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
    at oracle.sysman.db.adm.inst.HandleRepDownFilter.doFilter(HandleRepDownFilter.java:165)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.eml.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:122)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.emSDK.svlt.EMRedirectFilter.doFilter(EMRedirectFilter.java:102)
    at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
    at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:357)
    at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
    at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
    at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
    at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
    at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
    at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
    at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
    at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
    at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
    at java.lang.Thread.run(Thread.java:595)

回答1:

It is likely that you didn't set up Windows 7 to allow Oracle to run without issues before installing it (opening ports, disabling UAC, installing JDK etc).

This blog post explains the installation process in detail Oracle 11gR2 on Windows 7. Complete all the Windows 7 configuration steps and try the install again with 11.2.0.3.

来源：https://stackoverflow.com/questions/6179053/oracle-11g-em-not-working-on-windows-7

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oracle11gr2