Using JSTL on Weblogic 8.1 SP2

I'm trying to create a web app running on Weblogic 8.1 SP2 that uses JSTL tags.
 I've downloaded the Apache 1.0.5 Reference Implementation of the JSTL 1.0 spec,
 but I can't get the sample web-app (standard-examples.war) to work correctly.
 When I go to the "General Purpose Tag Examples" and try to view the Out example
 JSP, I get a large exception saying that java.lang.NoClassDefFoundError: javax/servlet/jsp/el/ELException
 (full stack trace at bottom). This also happens when I try to view the JSP source
 and pretty much any other example. I found that the German example in "I18N &
 Formatting" works, but running the Italian example gives a new exception:
 Parsing of JSP File '/format/ItalianLocale.jsp' failed:
 /format/ItalianLocale.jsp(12): for tag 'message', property 'bundle' of tag handler
 class 'org.apache.taglibs.standard.tag.rt.fmt.MessageTag', the value must be a
 runtime expression "<%=...%>", since we cannot do an automatic conversion from
 "${itBundle}" to type 'javax.servlet.jsp.jstl.fmt.LocalizationContext' and there
 is no custom property editor for that type
 probably occurred due to an error in /format/ItalianLocale.jsp line 12:
 <fmt:message key="greetingMorning" bundle="${itBundle}"/>
 I can, however, get this to work on Tomcat 5.0. Has any else had this problem?
 Is there something that I'm doing incorrectly?
 Thanks in advance.
 -Kelvin
 ===========================================================
 java.lang.NoClassDefFoundError: javax/servlet/jsp/el/ELException
 at java.lang.Class.getDeclaredMethods0(Native Method)
 at java.lang.Class.privateGetDeclaredMethods(Class.java:1627)
 at java.lang.Class.getDeclaredMethods(Class.java:1114)
 at java.beans.Introspector$1.run(Introspector.java:1103)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1101)
 at java.beans.Introspector.getTargetMethodInfo(Introspector.java:966)
 at java.beans.Introspector.getBeanInfo(Introspector.java:370)
 at java.beans.Introspector.getBeanInfo(Introspector.java:207)
 at java.beans.Introspector.(Introspector.java:351)
 at java.beans.Introspector.getBeanInfo(Introspector.java:207)
 at java.beans.Introspector.getBeanInfo(Introspector.java:193)
 at weblogic.servlet.jsp.StandardTagLib.parseTagDD(StandardTagLib.java:1323)
 at weblogic.servlet.jsp.StandardTagLib.parseDD(StandardTagLib.java:1261)
 at weblogic.servlet.jsp.StandardTagLib.(StandardTagLib.java:292)
 at weblogic.servlet.jsp.TagLibHelper.loadTagLib(TagLibHelper.java:314)
 at weblogic.servlet.jsp.JspLexer.loadTagLib(JspLexer.java:145)
 at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE_BODY(JspLexer.java:5015)
 at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE(JspLexer.java:4853)
 at weblogic.servlet.jsp.JspLexer.mDIRECTIVE(JspLexer.java:4699)
 at weblogic.servlet.jsp.JspLexer.mSTANDARD_THING(JspLexer.java:2094)
 at weblogic.servlet.jsp.JspLexer.mTOKEN(JspLexer.java:1880)
 at weblogic.servlet.jsp.JspLexer.nextToken(JspLexer.java:1753)
 at weblogic.servlet.jsp.JspLexer.parse(JspLexer.java:963)
 at weblogic.servlet.jsp.JspParser.doit(JspParser.java:106)
 at weblogic.servlet.jsp.JspParser.parse(JspParser.java:230)
 at weblogic.servlet.jsp.Jsp2Java.outputs(Jsp2Java.java:125)
 at weblogic.utils.compiler.CodeGenerator.generate(CodeGenerator.java:258)
 at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:367)
 at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:223)
 at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:172)
 at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:518)
 at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:362)
 at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
 at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
 at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
 at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
 at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
 at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
 at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
 at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)

I'm having the same problem, did you find a solution?
 "Kelvin" <[email protected]> wrote:
 >
 >I'm trying to create a web app running on Weblogic 8.1 SP2 that uses
 >JSTL tags.
 > I've downloaded the Apache 1.0.5 Reference Implementation of the JSTL
 >1.0 spec,
 >but I can't get the sample web-app (standard-examples.war) to work correctly.
 >
 >When I go to the "General Purpose Tag Examples" and try to view the Out
 >example
 >JSP, I get a large exception saying that java.lang.NoClassDefFoundError:
 >javax/servlet/jsp/el/ELException
 >(full stack trace at bottom). This also happens when I try to view the
 >JSP source
 >and pretty much any other example. I found that the German example in
 >"I18N &
 >Formatting" works, but running the Italian example gives a new exception:
 >
 >Parsing of JSP File '/format/ItalianLocale.jsp' failed:
 >--------------------------------------------------------------------------------
 > /format/ItalianLocale.jsp(12): for tag 'message', property 'bundle'
 >of tag handler
 >class 'org.apache.taglibs.standard.tag.rt.fmt.MessageTag', the value
 >must be a
 >runtime expression "<%=...%>", since we cannot do an automatic conversion
 >from
 >"${itBundle}" to type 'javax.servlet.jsp.jstl.fmt.LocalizationContext'
 >and there
 >is no custom property editor for that type
 >probably occurred due to an error in /format/ItalianLocale.jsp line 12:
 ><fmt:message key="greetingMorning" bundle="${itBundle}"/>
 >
 >
 >I can, however, get this to work on Tomcat 5.0. Has any else had this
 >problem?
 > Is there something that I'm doing incorrectly?
 >
 >
 >Thanks in advance.
 >-Kelvin
 >
 >===========================================================
 >java.lang.NoClassDefFoundError: javax/servlet/jsp/el/ELException
 > at java.lang.Class.getDeclaredMethods0(Native Method)
 > at java.lang.Class.privateGetDeclaredMethods(Class.java:1627)
 > at java.lang.Class.getDeclaredMethods(Class.java:1114)
 > at java.beans.Introspector$1.run(Introspector.java:1103)
 > at java.security.AccessController.doPrivileged(Native Method)
 > at java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1101)
 > at java.beans.Introspector.getTargetMethodInfo(Introspector.java:966)
 > at java.beans.Introspector.getBeanInfo(Introspector.java:370)
 > at java.beans.Introspector.getBeanInfo(Introspector.java:207)
 > at java.beans.Introspector.(Introspector.java:351)
 > at java.beans.Introspector.getBeanInfo(Introspector.java:207)
 > at java.beans.Introspector.getBeanInfo(Introspector.java:193)
 > at weblogic.servlet.jsp.StandardTagLib.parseTagDD(StandardTagLib.java:1323)
 > at weblogic.servlet.jsp.StandardTagLib.parseDD(StandardTagLib.java:1261)
 > at weblogic.servlet.jsp.StandardTagLib.(StandardTagLib.java:292)
 > at weblogic.servlet.jsp.TagLibHelper.loadTagLib(TagLibHelper.java:314)
 > at weblogic.servlet.jsp.JspLexer.loadTagLib(JspLexer.java:145)
 > at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE_BODY(JspLexer.java:5015)
 > at weblogic.servlet.jsp.JspLexer.mTAGLIB_DIRECTIVE(JspLexer.java:4853)
 > at weblogic.servlet.jsp.JspLexer.mDIRECTIVE(JspLexer.java:4699)
 > at weblogic.servlet.jsp.JspLexer.mSTANDARD_THING(JspLexer.java:2094)
 > at weblogic.servlet.jsp.JspLexer.mTOKEN(JspLexer.java:1880)
 > at weblogic.servlet.jsp.JspLexer.nextToken(JspLexer.java:1753)
 > at weblogic.servlet.jsp.JspLexer.parse(JspLexer.java:963)
 > at weblogic.servlet.jsp.JspParser.doit(JspParser.java:106)
 > at weblogic.servlet.jsp.JspParser.parse(JspParser.java:230)
 > at weblogic.servlet.jsp.Jsp2Java.outputs(Jsp2Java.java:125)
 > at weblogic.utils.compiler.CodeGenerator.generate(CodeGenerator.java:258)
 > at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:367)
 > at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:223)
 > at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:172)
 > at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:518)
 > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:362)
 > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
 > at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
 > at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
 > at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
 > at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
 > at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
 > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
 > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
 >

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 at weblogic.ejb20.manager.DBManager.create(DBManager.java:492)
 at weblogic.ejb20.manager.DBManager.remoteCreate(DBManager.java:462)
 at weblogic.ejb20.internal.EntityEJBHome.create(EntityEJBHome.java:190)
 at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl.create(AccountBean_g1748h_HomeImpl.java:76)
 at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl_WLSkel.invoke(Unknown
 Source)
 at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
 at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93)
 at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
 at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:158)
 at weblogic.rmi.internal.ServerRequest.sendOneWayRaw(ServerRequest.java:92)
 at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:112)
 at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:253)
 at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:220)
 at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
 at $Proxy126.create(Unknown Source)
 at examples.wtc.atmi.simpapp.ToupperBean.putMessage(ToupperBean.java:194)
 at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl.putMessage(ToupperBean_8roqg7_EOImpl.java:284)
 at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl_WLSkel.invoke(Unknown
 Source)
 at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
 at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
 at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
 at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
 at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
 Regards
 Ranga Rao


 Oracle Server 8.1.5 does not provide support for 2PC.
 Full XA support is provided from version 8.1.7.
 Sergi
 "Lawrence" <[email protected]> wrote:
 >
 >Ranga,
 >Please use classes12.zip for this.If you still find problem, please let
 >me know.
 >Thanks
 >Lawrence
 >
 >"Ranga Rao" <[email protected]> wrote:
 >>
 >>
 >>Which version of jdbc thin driver should i use to achieve distributed transaction
 >>with oracle 8.1.5 in weblogic 6.1 sp2
 >>
 >>right now if iam using the driver classes provided in weblogic.jar iam
 >gettig
 >>the
 >>following Exception
 >>
 >>////////////////////////////////////////////////////////////////////////////////////////////
 >>AccountBean.ejbCreate( id = accountId, initial balance = $ 3000.0)
 >>java.sql.SQLException: XA error: XAER_RMERR : A resource manager error
 >has
 >>occured
 >>in the transaction branch start(
 >>) failed on resource 'OracleXAPool' Unexpected error during start for XAResource
 >>'OracleXAPool': null
 >> at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1044)
 >> at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1010)
 >> at weblogic.jdbc.jta.Connection.getXAConn(Connection.java:148)
 >> at weblogic.jdbc.jta.Connection.prepareStatement(Connection.java:226)
 >> at weblogic.jdbc.rmi.internal.ConnectionImpl.prepareStatement(ConnectionImpl.java:135)
 >> at weblogic.jdbc.rmi.SerialConnection.prepareStatement(SerialConnection.java:76)
 >> at examples.ejb.basic.beanManaged.AccountBean.ejbCreate(Unknown
 >>Source)
 >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_Impl.ejbCreate(AccountBean_g1748h_Impl.java:172)
 >> at java.lang.reflect.Method.invoke(Native Method)
 >> at weblogic.ejb20.manager.DBManager.create(DBManager.java:492)
 >> at weblogic.ejb20.manager.DBManager.remoteCreate(DBManager.java:462)
 >> at weblogic.ejb20.internal.EntityEJBHome.create(EntityEJBHome.java:190)
 >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl.create(AccountBean_g1748h_HomeImpl.java:76)
 >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl_WLSkel.invoke(Unknown
 >>Source)
 >> at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
 >> at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93)
 >> at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
 >> at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:158)
 >> at weblogic.rmi.internal.ServerRequest.sendOneWayRaw(ServerRequest.java:92)
 >> at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:112)
 >> at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:253)
 >> at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:220)
 >> at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
 >> at $Proxy126.create(Unknown Source)
 >> at examples.wtc.atmi.simpapp.ToupperBean.putMessage(ToupperBean.java:194)
 >> at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl.putMessage(ToupperBean_8roqg7_EOImpl.java:284)
 >> at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl_WLSkel.invoke(Unknown
 >>Source)
 >> at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
 >> at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
 >> at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
 >> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
 >> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
 >>/////////////////////////////////////////////////////////////////////////////////
 >>
 >>Regards
 >>Ranga Rao
 >>
 >>
 >

Upgrading Weblogic 8.1, SP2 to Weblogic 8.1, SP6

wanna to the code changes that are required in web application while upgrading Weblogic 8.1, SP2 to Weblogic 8.1, SP6.

I am currently conducting the same type of upgrade. We have Platform 8.1 SP2 installed. We would like to upgrade to SP3, but I was not sure if any patches were required before the upgrade. After several dicussions with BEA Technical Support, here is what I learned.
To upgrade 8.1 SP2 to SP3, you must first install the following patch...
http://dev2dev.bea.com/products/wlplatform81/patch/wlplat81sp2_patch.jsp
...then use SmartUpdate to upgrade the SP3.
If you choose to fully install 8.1 SP3, then you do not need to install the patch because 8.1 SP3 includes the pacthes. Installing the patches would make no difference anyway since the SP2 installation would be deleted to make room for the SP3 installation. This option is not an upgrade, it is a full installation.
Hope it helps!
Raffi

Problem using jstl and displaytags

Hi all,
I am using display tags taglib for generation of table. One of the columns has to be shown with the hyperlink attached to it. In order to acheive this i am using jstl taglib together with displaytags
<display:table name="reportList" id="row" requestURI="viewengagementstatus.do" style="width: 100%;">
<display:column title="Period" sortable="true" style="text-align: center;" >
<a href="/jsps/reportsummary.do?eid=<c:out value="${row.eid}" />&reportId=<c:out value="${row.ReportID}" />&reportPeriod=<c:out value="${row.targetDate}"/> " target="_blank"><c:out value="${row.targetDate}"/></a>
</display:column>I am using jstl1.1.2.jar for jstl.
When i run this on Weblogic10 and windows OS i am able to view the results. On performing the view source on the IE window, i get the following:
<td style="text-align: center;">
<a href="/jsps/reportsummary.do?eid=78004&reportId=104093&reportPeriod=Nov-2008 " target="_blank">Nov-2008</a>
</td>but when the same code is run on the Weblogic deployed on the Linux machine, i am not getting the links and the name:
the view-source of the application deployed on the linux machine shows:
td style="text-align: center;">
<a href="/jsps/reportsummary.do?eid=&reportId=&reportPeriod=" target="_blank"></a>
</td>Any Ideas why this is occuring?
Any help would be appreciated

You should be using the one or the other, not both. Since your actual code shows that you don't need the jstl/core_rt taglib (you're using the JSP EL ${ } in JSTL tags rather than scriptlets <%= %> ), just remove that taglib declaration and continue using the jstl/core taglib.
You should also rather place both the JSTL and standard JAR in the classpath of the application server. In case of Tomcat, put it in its /lib directory. Then remove all unnecessary JSTL and Standard JAR and TLD files from your whole webapplication project and also remove any related entries from the web.xml of your webapplication project. To use JSTL you only need to put the JAR files in the classpath of the application server and define the taglib in your JSP. Nothing less and nothing more. If you're using JSTL 1.2 rather than JSTL 1.1, then you need to remove the standard.jar file too since it is already merged in the jstl-1.2.jar file.
Oh, the web.xml should also be declared that way that the application server uses at least servlet 2.4.

Problems storing CLOBs with build-in Oracle 8.1.6 thin driver of WebLogic 6.0 SP2

Hi,
I'm using the build-in Oracle 8.1.6 thin driver that comes with
weblogic.jar of WebLogic 6.0 SP2. It doesn't store CLOBs. Here I have
to use the class weblogic.jdbc.common.OracleClob. Why?
WebLogic 5.1 SP 9 + Oracle 8.1.6 thin driver (external) does. Here I
use the class oracle.sql.CLOB.
Must I use a OCI driver?
Thanks,
Juergen

I'd also recommend to switch to 8.1.7 thin driver. It's more stable.
Regards,
Slava Imeshev
"NhaBep" <[email protected]> wrote in message
news:3b71bbcf$[email protected]..
>
You can use thin driver to persist CLOB. One thing you must be sure to setautocommit
to false. Hope this help.
[email protected] (Juergen) wrote:
Hi,
I'm using the build-in Oracle 8.1.6 thin driver that comes with
weblogic.jar of WebLogic 6.0 SP2. It doesn't store CLOBs. Here I have
to use the class weblogic.jdbc.common.OracleClob. Why?
WebLogic 5.1 SP 9 + Oracle 8.1.6 thin driver (external) does. Here I
use the class oracle.sql.CLOB.
Must I use a OCI driver?
Thanks,
Juergen

Weblogic 8.1 SP2 does not support 'Order by' clause in EJB-QL

It seems that Weblogic 8.1 SP2 does not support 'Order by' clause in EJB-QL. EJB 2.1 spec supports 'Order by' clause in EJB-QL. Am I right when I say that it indicates : "Weblogic 8.1 SP2 does not support EJB 2.1" ? In that case, what can be the alternative since I am using Weblogic 8.1 and I require 'Order by' clause in Ejb-QL as well.

In WL 8.1 SP4 I can use the ORDERBY just fine.
Try ORDERBY instead of Order by

Unable to invoke WebLogic 8.1 sp2 web service from a java proxy client...

I am not able to invoke a web service deployed on WebLogic 8.1 SP2 via a client using the proxy jar provided by WebLogic's JWS > Overview > Generate Java Proxy tool.
I am getting a java.net.ConnectException.
Both the client and the WebService are on the same server.
Thanks!!
Inder./

Please see the instructions below. If this does not help, please open a case with customer support and tell them it may be related to CR235479
DESCRIPTION:
When a platform domain is created, the admin server can be started without
any issues and a managed server can also be started without any errors if
using startManagedWebLogic.sh. But when a managed server is started using the
nodemanager, the managed server fails to start with the following error.
The WebLogic Server did not start up properly.
java.lang.NoClassDefFoundError: com/bea/wsrp/util/debug/Debug
(Complete stack trace with be added as a note)
The reason for this is that:
startWebLogic.sh(cmd) and startManagedWebLogic.sh(cmd) for platform domains
call <User domain>/setDomainEnv.sh which includes all the jars necessary for
a platform domain in the CLASSPATH.
Whereas startNodeManager.sh calls <WL_HOME>/common/bin/commEnv.sh, which is
the same for both platform and server installations of weblogic and has only
weblogic.jar in the CLASSPATH.
Looking at historical cases, the steps to start NodeManager successfully in a
platform domain are:
1.
a. Copy admin server classpath (from <user Domain>/startWebLogic.sh) to
that of all managed servers in the 'Remote Start' tab of the WLS Console
OR
b. Copy admin server classpath to <WL_HOME>/server/bin/startNodeManager.sh
(If the same nodemanager is used to manage server domain servers and platform
domain servers, will there be any issue with this approach??)
2. Copy the wsrpKeystore.jks file from your domain directory to the
nodemanager directory (the parent of the directory where all the server
directories are replicated in the node manager. By default: <WL
HOME>/common/nodemanager)
But these steps are not publicly documented in edocs.
CONFIGURATION:
Weblogic Platform Domain 8.1 (all service packs)
WORKAROUND:
Steps 1 and 2 above.

Double submission problem in J2EE application under Weblogic 8.1 SP2 server

Hi,
We are facing double submission problem in our J2EE application which is running under Weblogic 8.1 SP2 and for the same we already implemented or added the below preventive solutions.
1. We disable the SUBMIT button once the user clicks it.
2. We preventated pressing 'F5' button and clicking 'Refresh' button in the browser.
3. Also we tried to prevent by declaring the idempotent is 'true' under weblogic-ejb-jar.xml as below.
<stateless-bean-methods-are-idempotent>true</stateless-bean-methods-are-idempotent>
So please somebody help us on this issue like how to prevent in some other way.
Regards,
Dinesh.

I have no idea why you would think changing your EJB configuration would have anything to do with preventing double submission at your servlet layer.
One technique I've seen for preventing double submission was first used in the Struts framework several years ago. When a page is "prepared" for display, a token value is created and stored in the session. The page is displayed with a hidden field containing that value. When the page is submitted, the value of the hidden field is compared with the value stored in the session. If they're not equal, the submission is ignored.

Using JSTL on Weblogic 8.1 SP2

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