HANA Development Environment

As a HANA newbie, I'm using developer addition on Amazon cloud. I'm working with sample data and trying to explore HANA. For production, we can choose either on-premise or cloud options but I wonder how HANA dev/test environment of a real project is in general. Do we need the appliance for development purposes? or is cloud option better? I would like to hear experience of HANA developers.
Regards,
Tuğba

Hi Muhammad,
there's a nice E2E guide End to End Development Example with SAP NetWeaver 7.4 & SAP HANA targeted for ABAP 7.4 SP2 features.
If you're interested in the latest greates ABAP 7.4 SP5 features (like CDS Views, ABAP managed database procedures) and a Fiori-like app... stay tuned, content is submitted and will arrive on our SCN Space ABAP for SAP HANA soon.
Cheers,
  Jasmin

Similar Messages

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    Anybody Explain ETE Development Cycle of ABAP for HANA?

    Hi Muhammad,
    there's a nice E2E guide End to End Development Example with SAP NetWeaver 7.4 & SAP HANA targeted for ABAP 7.4 SP2 features.
    If you're interested in the latest greates ABAP 7.4 SP5 features (like CDS Views, ABAP managed database procedures) and a Fiori-like app... stay tuned, content is submitted and will arrive on our SCN Space ABAP for SAP HANA soon.
    Cheers,
      Jasmin

  • Error creating first hana developer in AWS cloud

    Hi -
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  • Try now for SAP HANA developer edition 1.0 rev 80 returns error

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  • Install AD / SQL Server 2012 and SharePoint 2013 on a single server as Development Environment

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  • Why does Build Application vi work in development environment but not in executable; error 1025

    Hello,
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    Attachments:
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    Interesting code.  I'm curious how you came to decide 324ms in your while loop, and 58 in the other, and then 5136ms at the end.  In any case I suspect this has to do with this line of text in the help of the Build.vi.
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    Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
    If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

  • Development environment for SharePoint 2013

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    TechNet Community Support
    Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
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  • How do I determine if a VI is running in the runtime engine or LabView Development Environment?

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  • Serious performance issue with LV 7.1 Development Environment

    I'm posting this issue to the forums prior to submitting a bug report to ensure that the problems I'm having are reproducible. To reproduce this bug, you're going to have to be an advanced user with a large project (hundreds to thousands of VIs) as the performance problem is related to the number of VIs loaded.
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    I know each new version of LabView causes old-timers like me to grouse that things were better back in the days when we etched our block diagrams on stone tablets, etc., and honestly I'm not going to go back. I am committed to LabView 7.1. I just wish it were not so slow on my big projects!
    Attachments:
    LV_Speed_Test.vi ‏22 KB

    Hi,
    I can confirm this behavior. Setting the execution system to "user
    interface" helps a bit, but there is still a big difference.
    I get a feeling it has something to do with window messages, perhaps
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    frontmost... But what do I know...
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    Regards,
    Wiebe.
    "Rob Calhoun" wrote in message
    news:[email protected]...
    > I'm posting this issue to the forums prior to submitting a bug report
    > to ensure that the problems I'm having are reproducible. To reproduce
    > this bug, you're going to have to be an advanced user with a large
    > project (hundreds to thousands of VIs) as the performance problem is
    > related to the number of VIs loaded.
    >
    > The issue is the increasingly poor performance of the LabVIEW 7.1
    > Development Environment as the number of VIs in memory increases. The
    > actions affected include switching between front panel and diagram,
    > saving a VI, copy and paste, clicking a menu, and the mysterious time
    > spent (compiling? editing the runtime menu? changing the toolbar
    > state?) between pressing the run button and when the code actually
    > starts executing. Scrolling and, interestingly, copying via a
    > control-drag are not affected. Running time of entirely on-diagram
    > code does not seem to be affected.
    >
    > These problems are quite severe and significantly decrease my
    > productivity as a programmer. Since they are development environment
    > UI issues, it's been difficult for me to find a good example VI; the
    > best I can do is the attached "LV Speed Test.vi". It doesn't test the
    > issues that affect me most, but it seems to suffer from the same
    > problem.
    >
    > This simple VI just shows and hides the menu bar 100 times in a tight
    > for loop. When it is the only VI loaded, it executes in about 350 msec
    > on my machine. (2.4 GHz P-IV/640 MB RAM/Win2k). However, when I load a
    > single project-encompassing VI (let's call it the "giant") that
    > references a total of about 900 user and VI-lib subVIs, the test
    > routine takes almost a minute and half to run...about 240 times
    > slower! I've tried this on my laptop with similar results.
    >
    > The problem appears to be related to the *number* of VIs loaded and
    > not the memory utilization. For example, if I close the "giant", and
    > create a new VI ("memhog") that does nothing but initialize a length
    > 20,000,000 array of doubles and stores it in an uninitialized shift
    > register, LabView's overall memory usage (as shown in the task
    > manager) jumps enormously, but LV Speed Test executes in about 450
    > msec...only slightly slower than with a fresh copy of Labview.
    >
    > The problem seems to be related to excessive context switching. The
    > Windows task manager shows over a thirteen hundred page faults occur
    > when "LV Speed Test" is run with the "giant" in the background, versus
    > zero or none when run by itself or when "memhog" has used up 160+MB of
    > space.
    >
    > The problem only seems to affect the frontmost window. (Unfortunately,
    > that's where we LV programmers spend all of our time!) If you start
    > "LV Speed Test" and then put "giant" in the foreground "LV Speed Test"
    > runs much faster. In fact, if you use the VI server to put the "giant"
    > VI in the foreground programmatically at the start of "LV Speed Test",
    > execution time drops back to 450 msec, and there are no page faults!
    >
    > These results show the issue is not related to video drivers or the
    > Windows virtual memory system. My suspicion is that there is a faulty
    > routine in LV 7.1 that is traversing the entire VI hierarchy every
    > time certain events are thrown in the foreground window. It could be
    > due to a problem with the Windows event tracking system, but this
    > seems less likely.
    >
    > I have been programming LV for about 7 years and switched from LV 6.1
    > to 7.1 about four months ago. I know NI engineers have put thousands
    > of hours developing and testing LV 7.1, but honestly I find myself
    > wishing I had never upgraded from using LV 6.1. (To whomever thought
    > "hide trailing zeros" should be the default for floating point
    > controls...what were you thinking?!)
    >
    > I know each new version of LabView causes old-timers like me to grouse
    > that things were better back in the days when we etched our block
    > diagrams on stone tablets, etc., and honestly I'm not going to go
    > back. I am committed to LabView 7.1. I just wish it were not so slow
    > on my big projects!

  • ABAP GUI from HANA Developer Studio

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    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
    at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:850)
    at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:743)
    at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$7(HandledContributionItem.java:727)
    at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$4.handleEvent(HandledContributionItem.java:662)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:140)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:611)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
    Caused by: java.io.IOException: Cannot run program "C:/Program Files (x86)/SAP/FrontEnd/sapgui/\SapGuiServer": CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1042)
    at com.sap.adt.sapgui.ui.internal.win32.embedding.WinGuiServerProxy$SapGuiServerProcess.start(WinGuiServerProxy.java:590)
    ... 110 more
    Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:288)
    at java.lang.ProcessImpl.start(ProcessImpl.java:133)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1023)
    ... 111 more
    My HANA developer studio is not at C:\ProgramFiles(x86) folder.

    This problem is resolved - i updated my SAPGUI.

  • Eclipse as a development environment with Jakarta Tomcat

    Hello:
    I am setting up the new development environment for my application (project). Below are the components involved::
    �     Eclipse 3.1
    �     myEclipse - EnterpriseWorkbenchInstaller_4.0GA_E3.1
    �     jakarta-tomcat-5.0.28 (Application Server)
    �     Sysdeo Eclipse Tomcat Launcher plugin - tomcatPluginV31beta
    �     SDK 1.4.2_08
    �     Microsoft XP sp2 operating system
    I have no issue with creation of project structure in eclipse IDE, compilation, and deployment, but there are some exception upon running the application.
    My project folder structure as follows:
    MyApplication/
    src/
    Conf/
    Web/
    classes
    taglib
    lib
    web.xml
    �     my application has few dependent projects, therefore I copied all the dependent projects final compiled classes (jars) to �lib� folder.
    �     I set all necessary classpath according to tomcat documentation.
    �     I created MyApplication.xml file under D:\jakarta-tomcat-5.0.28\conf\Catalina\localhost\ folder with the below context
    <Context path="/MyApplication " docBase="D:/xx/xxx/dev/src/ MyApplication/web" debug="0" reloadable="true" />
    �     I don�t get any exception during compilation and deployment process.
    �     I would greatly appreciate if you could give me a tips!!!!!!!!!!!!!!!!!!!!!!
    Error as follows:
    2005-10-10 17:31:45 StandardContext[balancer]org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
    2005-10-10 17:31:47 StandardContext[jsp-examples]ContextListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[jsp-examples]SessionListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[servlets-examples]ContextListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[servlets-examples]SessionListener: contextInitialized()
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: init: Associated with Deployer 'localhost'
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: init: Global resources are available
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: list: Listing contexts for virtual host 'localhost'
    2005-10-10 17:32:35 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
    java.lang.IllegalStateException: getOutputStream() has already been called for this response
         at org.apache.coyote.tomcat5.CoyoteResponse.getWriter(CoyoteResponse.java:599)
         at org.apache.coyote.tomcat5.CoyoteResponseFacade.getWriter(CoyoteResponseFacade.java:163)
         at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:122)
         at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:115)
         at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:190)
         at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:115)
         at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:75)
         at org.apache.jsp.default_jsp._jspService(default_jsp.java:101)
         at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
         at java.lang.Thread.run(Thread.java:534)
    path setting as follows:
    %JAVA_HOME%\bin;D:\oracle\ora92\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\Borland\AppServer\bin;C:\Program Files\CA\PEC\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SystemRoot%\system32\nls;%SystemRoot%\system32\nls\ENGLISH;C:\Program Files\Attachmate\E!E2K\;C:\Program Files\CA\AllFusion Harvest Change Manager;D:\jwsdp-1.1\jaxb-1.0\bin;D:\jwsdp-1.1\jwsdp-shared\bin;C:\Borland\classes12.zip;C:\Program Files\UltraEdit;D:\jakarta-tomcat-5.0.28\webapps\cst\WEB-INF\classes;D:\EPS\EB_CST_v3.7.2\dev\src\cst;%PATH%
    Classpath setting as follows:
    .;%third_pty%\xerces.jar;D:\EPS\EB_CST_v3.7.2\dev\src\cst;D:\jakarta-tomcat-5.0.28\webapps\cst;D:\jakarta-tomcat-5.0.28\common\lib\servlet-api.jar;D:\jakarta-tomcat-5.0.28\common\lib\jsp-api.jar;D:\jwsdp-1.1\jaxb-1.0\lib\jaxb-api.jar;D:\jwsdp-1.1\jaxb-1.0\lib\jaxb-ri.jar;%third_pty%\ant.jar;D:\jwsdp-1.1\jaxp-1.2.2\lib\endorsed\dom.jar;D:\jwsdp-1.1\jwsdp-shared\lib\jax-qname.jar;D:\jwsdp-1.1\jaxb-1.0\lib\jaxb-libs.jar;D:\jwsdp-1.1\jaxb-1.0\lib\jaxb-xjc.jar;D:\jwsdp-1.1\jaxp-1.2.2\lib\jaxp-api.jar;D:\jwsdp-1.1\jaxp-1.2.2\lib\endorsed\sax.jar;D:\jwsdp-1.1\jaxp-1.2.2\lib\endorsed\xercesImpl.jar;%third_pty%\activation.jar;%third_pty%\ant-optional.jar;%third_pty%\j2ee.jar;%third_pty%\jakarta-regexp.jar;%third_pty%\jaxp.jar;%third_pty%\jcert.jar;%third_pty%\jnet.jar;%third_pty%\jsse.jar;%third_pty%\xalan.jar;C:\MSJDBSLib\msbase.jar;C:\MSJDBSLib\mssqlserver.jar;C:\MSJDBSLib\msutil.jar;
    Other IDE setting:
    As per tomcat documentation.

    Hello:
    I overcame the above issue by changing index.html to index.jsp, but now i am facing another issue as shown below:
    On top of the above change i too included j2ee.jar (from websphere) in the classpath to overcome the below issue, but even then i am getting the same error.
    Error as follows:
    javax.servlet.ServletException: Error instantiating servlet class com.metavante.cst.control.web.LoginMainServlet
         at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:996)
         at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:687)
         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:671)
         at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:474)
         at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:409)
         at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
         at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:214)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
         at java.lang.Thread.run(Thread.java:534)
    ----- Root Cause -----
    java.lang.NoClassDefFoundError: javax/ejb/EJBObject
         at java.lang.ClassLoader.defineClass0(Native Method)
         at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
         at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1634)
         at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:860)
         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1307)
         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)
         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
         at java.lang.Class.getDeclaredConstructors0(Native Method)
         at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
         at java.lang.Class.getConstructor0(Class.java:1930)
         at java.lang.Class.newInstance0(Class.java:278)
         at java.lang.Class.newInstance(Class.java:261)
         at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:987)
         at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:687)
         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:671)
         at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:474)
         at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:409)
         at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
         at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:214)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
         at java.lang.Thread.run(Thread.java:534)

  • Eclipse as a development environment with Jakarta Tomcat - Need help!!

    Hello:
    Subject: Eclipse as a development environment with Jakarta Tomcat
    I am setting up the new development environment for my application (project). Below are the components involved::
    �     Eclipse 3.1
    �     myEclipse - EnterpriseWorkbenchInstaller_4.0GA_E3.1
    �     jakarta-tomcat-5.0.28 (Application Server)
    �     Sysdeo Eclipse Tomcat Launcher plugin - tomcatPluginV31beta
    �     SDK 1.4.2_08
    �     Microsoft XP sp2 operating system
    I have no issue with creation of project structure in eclipse IDE, compilation, and deployment, but there are some exception upon running the application.
    My project folder structure as follows:
    MyApplication/
    src/
    Conf/
    Web/
    classes
    taglib
    lib
    web.xml
    �     my application has few dependent projects, therefore I copied all the dependent projects final compiled classes (jars) to �lib� folder.
    �     I set all necessary classpath according to tomcat documentation.
    �     I created MyApplication.xml file under D:\jakarta-tomcat-5.0.28\conf\Catalina\localhost\ folder with the below context
    <Context path="/MyApplication " docBase="D:/xx/xxx/dev/src/ MyApplication/web" debug="0" reloadable="true" />
    �     I don�t get any exception during compilation and deployment process.
    �     I would greatly appreciate if you could give me a tips!!!!!!!!!!!!!!!!!!!!!!
    Error as follows:
    2005-10-10 17:31:45 StandardContext[balancer]org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
    2005-10-10 17:31:47 StandardContext[jsp-examples]ContextListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[jsp-examples]SessionListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[servlets-examples]ContextListener: contextInitialized()
    2005-10-10 17:31:47 StandardContext[servlets-examples]SessionListener: contextInitialized()
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: init: Associated with Deployer 'localhost'
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: init: Global resources are available
    2005-10-10 17:32:27 StandardContext[manager]HTMLManager: list: Listing contexts for virtual host 'localhost'
    2005-10-10 17:32:35 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
    java.lang.IllegalStateException: getOutputStream() has already been called for this response
         at org.apache.coyote.tomcat5.CoyoteResponse.getWriter(CoyoteResponse.java:599)
         at org.apache.coyote.tomcat5.CoyoteResponseFacade.getWriter(CoyoteResponseFacade.java:163)
         at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:122)
         at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:115)
         at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:190)
         at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:115)
         at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:75)
         at org.apache.jsp.default_jsp._jspService(default_jsp.java:101)
         at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
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    Need tips to solve this issue!!!

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