Problem with multiple Toplink/JPA apps in same server
Anyone have experence of running serveral Toplink/ EJB-3 Web apps in the same server (OC4J, alas)?
We seem to get a problem with the second app failing to initialise toplink, with an entity not found message. Each app runs OK on it's own.
Yes, they access the same datasource and most of the tables overlap.
We're thinking it might help to have common entity classes and put them in a shared library, but I don't know if this is relevant (setting up shared libraries complicates testing and tends to snowball, I reckon we need about 15 jars all told).
I''ve had some funnies on OC4J before which I think may be to do with it's use of ClassLoaders, for example I initially put persistence.xml in the libary jar with the data model, but for some reason I get the entity not found error that way. It only seems to work if it's in the classes folder.
For the moment we're getting arround the problem with multiple OC4J instances in the server.
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Problems with multiple TestStand versions on the same computer
I installed LabVIEW 2014 and TestStand 2014; then later I installed TestStand 2010 SP1 and have been using it since. (I also updated LabVIEW 2014 to 14.0f1; I think I did that after installing TestStand 2010 SP1.) Is this "legal?" I have been seeing strange behavior with TestStand 2010 SP1:
- if I type in any expression text boxes in the Sequence Editor (e.g., for a pre-expression), I periodically get an error dialog as I type:
"The .NET support dll could not be loaded. This is caused by an assembly path that could not be resolved. Error Code: -18700, The .NET support dll could not be loaded. This is caused by an assembly path that could not be resolved! Source: 'TSAPI'
After I acknowledging the dialog, I can contine to type a little more before getting the dialog again, but it doesn't seem to invalidate anything I type.
- If I open the Simple LabVIEW Simple User Interface that ships with TestStand 2014 while TestStand 2010 SP1 is active, LabVIEW immediately crashes. I can open all the subVIs without a problem, but the top-level VI always crashes LabVIEW.
So I used the TestStand Version Switcher to make TestStand 2014 active, opened the top-level Simple UI VI, and deleted all the UI controls. Then I switched back to TestStand 2010 SP1, and then I was able to open the top-level VI. I added back the TestStand UI controls to the VI, and now the VI runs. But many operations return a TestStand error dialog, such as Close Execution ("Value invalid or out of range [Error Code: -17300]"), Logout ("Cannot find item to select in ComboBox [Error Code: -2147467259]"), and (critically) Exit ("Operation Failed. Error Code: -17500]") and the X in the upper right corner of the window ("Operation Failed. Unknown System Error in <VI name>"). So I can't exit without killing LabVIEW.
These two issues may be unrelated. But maybe installing an older version of TS after installing a newer version is not a valid use case? Is the ActiveX error a result of this? Should it be possible to use a (simple) UI written for a newer version of TestStand be able to work with an older version of TestStand?
I have another issue that is probably unrelated, but I'll bring it up here just for completeness. If I right-click on a LV property node or invoke node for a property or method from the TS API and ask for help for the property or method, a command window flashes briefly before showing the TS help window with the top-level item selected (i.e., it doesn't take me to the help for the selected property or method). I have this problem with either version of TS active, and I saw this problem even before I installed TS 2010 SP1. I seem to recall having this problem once before, but I can't find the solution. I don't know if this problem is an indication of some other larger problem.
For what it's worth, I am running WIndows 8.1 on a virtual machine.Thanks for the information, Doug. Maybe the ActiveX error dialog I get while in the sequence editor is related to the fact that I'm running an unsupported operating system.
So using a UI that was created in a newer version of TS is not supposed to be able to run with an older version of TS. Is there any way to enforce this (like having a dialog appear informing you of the incompatibility when the TS engine is loaded) and avoid an immediate crash? (Maybe the crash has to do with the incomaptible OS as well.)
Is there a way to "relink" a UI to an older version of TestStand? Can you just relink all the ActiveX reference controls/constants to the TS ActiveX servers? As far as I can tell, everything I am trying to do with the new TS version should work with the old version. And also, as far as I can tell, the TS version switcher changes the version of the available ActiveX server; so unless my UI uses a feature unavailable in older TS versions, I would think it shouldn't know the difference. (I'm making a lot of assumptions in that last statement, so I may be totally wrong here.)
Thanks,
Jeff -
Difficult ClassLoader problems with multiple deployed enterprise Apps
Greetings!
When multiple instances of an enterprise application are deployed, ClassLoader issues are causing ClassCast Exceptions in the instantiation of Stateless SessionBeans. These ClassCast Exceptions are causing the Stateless Session beans to not be created appropriately/correctly, and in turn there is an InvocationTargetException resulting in an HTTP 500 Internal Server Error (mapped to a custom handler).
The setup is SJSAS2005Q2, JDK 1.5, MySQL 5.0, Linux (RedHat 9, and Debian 3.0/3.1)
Below is a typical example:
Exception creating stateless session bean : [{0}]java.lang.reflect.InvocationTargetException
<<long stack Trace omitted>>
Caused by: java.lang.ClassCastException: $Proxy111 at com.acjust.ecommerce.ejb.preferences.PreferenceManagerBean.ejbCreate(PreferenceManagerBean.java:354) ... 67 moreHere is the code from PreferenceManagerBean, the offending line is the (first one) that does a lookup on PreferencesBean and casts the result. This is a SessionFacade (there are many others) and they all (may) exhibit this behavior when there are multiple enterprise apps running.
public void ejbCreate() {
LookupServiceHelper lookup = LookupServiceHelper.getInstance();
preferencesHome = (LocalPreferencesHome)
lookup.getLocalHome(IConstants.PREFERENCES_BEAN);
companyInformationHome = (LocalCompanyInformationHome)
lookup.getLocalHome(IConstants.COMPANY_INFORMATION_BEAN);
businessAddressHome = (LocalBusinessAddressHome)
lookup.getLocalHome(IConstants.BUSINESS_ADDRESS_BEAN);
sitePreferencesHome = (LocalSitePreferencesHome)
lookup.getLocalHome(IConstants.SITE_PREFERENCES_BEAN);
paymentPreferencesHome = (LocalPaymentPreferencesHome)
lookup.getLocalHome(IConstants.PAYMENT_PREFERENCES_BEAN);
productPreferencesHome = (LocalProductPreferencesHome)
lookup.getLocalHome(IConstants.PRODUCT_PREFERENCES_BEAN);
}When there is one instance of the App, it works perfectly. When there are two instances, one works perfectly, and the other one will have the above issues with the instantiation of Stateless Session Beans (the broken enterprise app is the one that is NOT loaded or reloaded most recently).
Thinking that the problem may be solved by rearranging or repackaging the software, multiple solutions have been tried. (ClassCast Exceptions such as these are typically the result of helper classes being loaded by one class-loader, then loaded by another, compared or casted, and the two are not equivalent). In this case, though, the software is behaving as though each enterprise app does not have its own class loader hierarchy, which is obviously highly undesirable for the situation at-hand. At any rate, bundling all library classes at the app server classpath level, putting all library classes in each jar, and war, and putting all library classes in the ear/lib directory and using MANIFEST.MF classpath entries to point all ear subcomponents at the library classes - none of these potential solutions has alleviated this problem. In addition, the EJB classes themselves triggering the exception(s) are not helper classes but EJBs that are correctly packaged in their respective EJB-JARS.
Here is the sun SJSAS 8 classloader hierarchy from the userguide:
http://docs.sun.com/source/817-6087/dgdeploy.html#wp58491
Can somebody from the Sun App Server team speak to whether or not this is an Application Server issue? Why should the classloader hierarchy from one enterprise app interfere with any other? Are there known workarounds?
Any help is greatly appreciated.
Best, AdamHi Ken,
I have pretty much ruled out "artifacts" in the Application Server's Classpath, because we already tried reinstalling the Application Server. It is a freshly downloaded SJSAS 8 2005 Q2 downloaded a few days ago with nothing added to the Server Classpath other than a database driver [${com.sun.aas.installRoot}/mysql/lib/mysql-connector-java-3.1.11-bin.jar added to the server CLASSPATH suffix after the PointBase driver(s)].
Yes, each ear has its own name. Once the two enterprise apps have been created/packaged by the ANT build script (they are the same except for the slight differences in deployment descriptors we discussed earlier), one is renamed and we use the SJSAS administrative console to deploy them, both deploy correctly, without errors and begin listening for connections at their respective context-roots. Each enterprise application has two web-wars, one public/customer facing, and one administrative. The first enterprise app listens on /e (public facing) and /a (administrative) and the second listens on / (public facing) and /admin (administrative).
Also, you are correct; each ear has its own copy of the LookupServiceHelper class. Again, there is nothing shared on the App Server Classpath other than that jdbc driver for mysql.
Here is the LookupServiceHelper code:
package com.acjust.ecommerce.util;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.ejb.EJBLocalHome;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
* This class provides JNDI helper functions to look up EJB
* Home implementations.
* @author Copyright (c) 1998-2005 by A. C. Just, Inc. All Rights Reserved.
public class LookupServiceHelper {
* This is the only object of type LookupServiceHelper; this class
* is a singleton.
private static LookupServiceHelper instance = null;
* The logging object for this singleton
private final Logger logger = Logger.getLogger(getClass().getName());
private InitialContext initialContext = null;
private Map cache = null;
* The no argument constructor is private to enforce the fact
* that we do not want to create any other instances of this
* class.
private LookupServiceHelper() {
try {
initialContext = new InitialContext();
cache = Collections.synchronizedMap(new HashMap());
} catch (NamingException ne) {
throw new LookupServiceException(ne);
} catch (Exception e) {
throw new LookupServiceException(e);
* This method returns the only object of this class.
* @return instance The only object of type LookupServiceHelper.
public static LookupServiceHelper getInstance() {
if(null == instance) {
try {
instance = new LookupServiceHelper();
} catch (LookupServiceException lse) {
instance.logger.severe("Failed to create lookup service " +
lse.getMessage());
return instance;
* This utility method looks up an enterprise JavaBean
* in the distributed naming service. It is not type safe;
* that property is guaranteed by the callers.
* @param bean The name of the enterprise JavaBean to find
* in the naming service (a prefix will be automatically added).
* @return An Object that can be casted to a LocalHomeInterface.
public EJBLocalHome getLocalHome(String bean) {
EJBLocalHome localHome = null;
logger.entering("LookupServiceHelper","getLocalHome",bean);
try {
String jndiHomeName = getFullyQualifiedEJBName(bean);
logger.info("looking for " + jndiHomeName);
if (cache.containsKey(jndiHomeName)) {
logger.info("found cached reference");
localHome = (EJBLocalHome) cache.get(jndiHomeName);
} else {
logger.info("no reference found; performing lookup");
localHome = (EJBLocalHome) initialContext.lookup(jndiHomeName);
cache.put(jndiHomeName, localHome);
} catch (NamingException ne) {
throw new LookupServiceException(ne);
} catch (Exception e) {
throw new LookupServiceException(e);
logger.exiting("LookupServiceHelper","getLocalHome",localHome);
return localHome;
* This utility method looks up a javax.mail.Session session
* in the distributed naming service. It is not type safe;
* that property is guaranteed by the callers.
* @param resource The name of the mail session resource to find
* in the naming service (a prefix will be automatically added).
* @return An Object that can be casted to a javax.mail.Session.
public javax.mail.Session getMailSession(String resource) {
javax.mail.Session session = null;
logger.entering("LookupServiceHelper","getMailSession",resource);
try {
String jndiName = getFullyQualifiedMailResourceName(resource);
logger.info("looking for " + jndiName);
if (cache.containsKey(jndiName)) {
logger.info("found cached reference");
session = (javax.mail.Session) cache.get(jndiName);
} else {
logger.info("no reference found; performing lookup");
session = (javax.mail.Session) initialContext.lookup(jndiName);
cache.put(jndiName, session);
} catch (NamingException ne) {
throw new LookupServiceException(ne);
} catch (Exception e) {
throw new LookupServiceException(e);
logger.exiting("LookupServiceHelper","getMailSession",session);
return session;
* Get a connection from the database pool.
* @return Connection
public Connection getDBConnection(String resource) {
Connection connection = null;
try {
String jndiName = getFullyQualifiedDBName(resource);
logger.info("looking for " + jndiName);
if(cache.containsKey(jndiName)) {
logger.info("found cached reference");
connection = (Connection) cache.get(jndiName);
} else {
logger.info("no reference found; performing lookup");
DataSource dataSource = (DataSource) initialContext
.lookup(jndiName);
connection = dataSource.getConnection();
//do not cache the database connection;
//you will get an IllegalStateException if you do
//cache.put(jndiName,connection);
} catch(NamingException ne) {
logger.warning("getConnection failed (naming): " + ne.getMessage());
throw new LookupServiceException(ne);
} catch (SQLException sql) {
logger.warning("getConnection failed (db): " + sql.getMessage());
throw new LookupServiceException(sql);
return connection;
* This utility method takes an enterprise JavaBean name
* and combines it with a prefix to form a fully qualified name
* suitable for using to query the distributed naming service.
* @param bean The name of the enterprise JavaBean to add.
* @return The fully qualified name (e.g. java:comp/env/ejb/ABeanRef).
private String getFullyQualifiedEJBName(String bean) {
return IConstants.JNDI_EJB_PREFIX + bean;
* This utility method takes a messaging resource name
* and combines it with a prefix to form a fully qualified name
* suitable for using to query the distributed naming service.
* @param resource The name of the mail resource
* @return The fully qualified name (e.g. java:comp/env/mail/MailSessionRef).
private String getFullyQualifiedMailResourceName(String resource) {
return IConstants.JNDI_MAIL_PREFIX + resource;
* This utility method takes a messaging resource name
* and combines it with a prefix to form a fully qualified name
* suitable for using to query the distributed naming service.
* @param jdbc The name of the JDBC resource.
* @return The fully qualified name (e.g. java:comp/env/jdbc/mysql).
private String getFullyQualifiedDBName(String resource) {
return IConstants.JNDI_DB_PREFIX + resource;
Some sample exception stack trace(s) (this is a different stateless session than the one before - but indicative of the same problem).
[#|2005-11-10T14:00:20.566-0800|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.container.ejb|_ThreadID=29;|EJB5070: Exception creating stateless session bean : [{0}]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.sun.ejb.containers.StatelessSessionContainer.createStatelessEJB(StatelessSessionContainer.java:410)
at com.sun.ejb.containers.StatelessSessionContainer.access$100(StatelessSessionContainer.java:75)
at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:597)
at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:168)
at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:359)
at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:126)
at $Proxy167.authenticateCustomer(Unknown Source)
at com.acjust.ecommerce.web.businessdelegate.customer.CustomerManagerBusinessDelegate.authenticate(CustomerManagerBusinessDelegate.java:77)
at com.acjust.ecommerce.web.action.customer.LoginAction.execute(LoginAction.java:29)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:747)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
at sun.reflect.GeneratedMethodAccessor297.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:185)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doTask(ProcessorTask.java:403)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:55)
Caused by: java.lang.ClassCastException: $Proxy214
at com.acjust.ecommerce.ejb.client.customermanager.CustomerManagerBean.ejbCreate(CustomerManagerBean.java:71)
... 49 more
|#]
[#|2005-11-10T14:00:20.577-0800|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.container.ejb|_ThreadID=29;|EJB5018: An exception was thrown during an ejb invocation on [CustomerManagerBean]|#]
[#|2005-11-10T14:00:20.578-0800|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.container.ejb|_ThreadID=29;|
javax.ejb.EJBException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
at com.sun.ejb.containers.StatelessSessionContainer.createStatelessEJB(StatelessSessionContainer.java:418)
at com.sun.ejb.containers.StatelessSessionContainer.access$100(StatelessSessionContainer.java:75)
at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:597)
at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:168)
at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:359)
at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:126)
at $Proxy167.authenticateCustomer(Unknown Source)
at com.acjust.ecommerce.web.businessdelegate.customer.CustomerManagerBusinessDelegate.authenticate(CustomerManagerBusinessDelegate.java:77)
at com.acjust.ecommerce.web.action.customer.LoginAction.execute(LoginAction.java:29)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:747)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
at sun.reflect.GeneratedMethodAccessor297.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:185)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doTask(ProcessorTask.java:403)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:55)
javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:599)
at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:168)
at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:359)
at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:126)
at $Proxy167.authenticateCustomer(Unknown Source)
at com.acjust.ecommerce.web.businessdelegate.customer.CustomerManagerBusinessDelegate.authenticate(CustomerManagerBusinessDelegate.java:77)
at com.acjust.ecommerce.web.action.customer.LoginAction.execute(LoginAction.java:29)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:747)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
at sun.reflect.GeneratedMethodAccessor297.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:185)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doTask(ProcessorTask.java:403)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:55)
javax.ejb.EJBException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:364)
at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:126)
at $Proxy167.authenticateCustomer(Unknown Source)
at com.acjust.ecommerce.web.businessdelegate.customer.CustomerManagerBusinessDelegate.authenticate(CustomerManagerBusinessDelegate.java:77)
at com.acjust.ecommerce.web.action.customer.LoginAction.execute(LoginAction.java:29)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:747)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
at sun.reflect.GeneratedMethodAccessor297.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:185)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doTask(ProcessorTask.java:403)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:55)
|#]
[#|2005-11-10T14:00:20.651-0800|WARNING|sun-appserver-pe8.1_02|org.apache.struts.action.RequestProcessor|_ThreadID=29;|Unhandled Exception thrown: class javax.ejb.EJBException|#]
[#|2005-11-10T14:00:20.779-0800|SEVERE|sun-appserver-pe8.1_02|javax.enterprise.system.container.web|_ThreadID=29;|StandardWrapperValve[action]: Servlet.service() for servlet action threw exception
javax.ejb.EJBException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
javax.ejb.CreateException: Could not create stateless EJB: java.lang.reflect.InvocationTargetException
at com.sun.ejb.containers.StatelessSessionContainer.createStatelessEJB(StatelessSessionContainer.java:418)
at com.sun.ejb.containers.StatelessSessionContainer.access$100(StatelessSessionContainer.java:75)
at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:597)
at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:168)
at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:359)
at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:126)
at $Proxy167.authenticateCustomer(Unknown Source)
at com.acjust.ecommerce.web.businessdelegate.customer.CustomerManagerBusinessDelegate.authenticate(CustomerManagerBusinessDelegate.java:77)
at com.acjust.ecommerce.web.action.customer.LoginAction.execute(LoginAction.java:29)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:747)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
at sun.reflect.GeneratedMethodAccessor297.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:185)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
at com.sun.enterprise.web.connector.grizzly.Proce -
Problem with multiple Ajax calls to the same Servlet
Hi,
I am new to AJAX. I have a requirement where in, i have to make ajax calls to the same servlet in an infinite loop and check for an application context attribute to refresh the contents in the JSP.I am using the following script in JSP. The problem is i am not able to invoke the servlet more than one time.But I am able to go through the script at specific time interval using setInterval() function of Javascript and able to get alerts.But the problem is with xmlhttp.open("Get", url, true);. Its not getting called more than one time, even though i make multiple calls to the function.
*<script type="text/javascript">*
var xmlhttp
var resp
function fAjax()
alert("Here");
xmlhttp=null;
resp=null;
// code for Mozilla, etc.
if (window.XMLHttpRequest)
xmlhttp=new XMLHttpRequest();
// code for IE
else if (window.ActiveXObject)
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
if (xmlhttp!=null)
xmlhttp.onreadystatechange=state_Change;
xmlhttp.open("GET","/PSAPBackOffice/TestServlet",true);
xmlhttp.send(null);
else
alert("Your browser does not support XMLHTTP.")
function state_Change()
// if xmlhttp shows "loaded"
if (xmlhttp.readyState==4)
// if "OK"
if (xmlhttp.status==200)
resp=xmlhttp.responseText;
//alert(resp);
if (resp=="CALL"){
form.method="GET";
form.action="/Project/Details.jsp
form.submit();
else
alert("Problem retrieving XML data")
function callTimer(){
setInterval("fAjax()",5000);
*</script>*
*Code for Servlet here:*
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException
ServletContext objContext= getServletContext();
String value;
synchronized (objContext) {
value=(String) objContext.getAttribute("Flag");
if(value==null){
else if(value.equals("Done")){
response.setContentType(CONTENT_TYPE);
PrintWriter out = null;
try {
out = response.getWriter();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NullPointerException npe) {
// TODO Auto-generated catch block
npe.printStackTrace();
objContext.setAttribute("Flag","No");
out.println("CALL");
Can someone figureout the problem or mistake and help me out.Its urgent and please help me in this regard.Thanks in Advance !I'm not sure I'm following you. The mapping from URL to servlet can contain anything you want. So you could have the URL /blah/blah/blah that, with a mapping something like /blah/* would pass all requests with that URL pattern to your servlet - no one has to know it is a servlet. Your servlet could then parse the URL to see what it has to do or you could pass parameters as part of the URL or as hidden fields.
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Problems with multiple itunes accounts on the same computer
Does anyone have issues with this? My husband and I have seperate iTunes accounts, and eventhough I am logged in under my username, his music is loading and mine is gone...
Also, his iPad apps are syncing to my iTunes account - this happened just last night when I plugged my iPod in and was rearranging my playlists and his apps were syncing at the same time.Well, I usually think of an 'iTunes account' as being an account at the iTunes Store... I take it you have different iTunes collections with separate library files for each of you.
It sounds like you have different user accounts on the computer. Figuring out what is going on will require us knowing a lot more about how you have your iTunes libraries set up. Do you also have a shared area or do you keep totally separate accounts? Are you positive you were't really in his account when this was happening? -
Hello I have a problem with a Wifi Survey app, this app is from Access Agility, however this app was working fine, but without advise stop of working, I tried to open again, but app be close after few seconds. Every time that I tried to open it, in diagnostic and use create some files, in special one named LatestCrash-WifiSurvey.plist, this one generate an incident identifier E73B0164-CDFA-4E9E-839E-A0C021BD17A2, but this incident identifier change every time that I tried to open, the last incident identifier is: DE600EB3-AB57-4C33-8DE8-71F6788A7441.
After of it, I checked that the app had a new version available for downloading, I took a backup of my ipad and then upgrade this app, but is the same problem, all I want is to save the projects I had in this app, I´m afraid that if I delete this app and re-install it, probably I loss my projects.
Thanks for your help indicating how I can save my projects and see them for example in an iphone for assurance that data is not lost.
Something that called my attention is part of the log that shows a big CPU processing, but the strange thing is I killed all applications.
Incident Identifier: E73B0164-CDFA-4E9E-839E-A0C021BD17A2
CrashReporter Key: ed0ca1405ce83d4f80cb3cce063d7248d7b76e91
Hardware Model: iPad2,5
Process: WifiSurvey [139]
Path: /var/mobile/Applications/1BEEE35A-85FC-4BE4-B62A-39A930CB3CE2/WifiSurvey.app/Wi fiSurvey
Identifier: WifiSurvey
Version: ??? (???)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2013-08-08 19:01:13.476 -0500
OS Version: iOS 6.1.3 (10B329)
Report Version: 104
Exception Type: 00000020
Exception Codes: 0x000000008badf00d
Highlighted Thread: 0
Application Specific Information:
com.accessagility.wifisurvey failed to launch in time
Elapsed total CPU time (seconds): 20.990 (user 20.990, system 0.000), 52% CPU
Elapsed application CPU time (seconds): 19.954, 50% CPUSee:
iOS: Troubleshooting applications purchased from the App Store
Contact the developer/go to their support site if only one app.
Restore from backup. See:
iOS: How to back up
Restore to factory settings/new iPod -
Howto deal with multiple source files having the same filename...?
Ahoi again.
I'm currently trying to make a package for the recent version of subversive for Eclipse Ganymede and I'm almost finished.
Some time ago the svn.connector components have been split from the official subversive distribution and have to be packed/packaged extra. And here is where my problem arises.
The svn.connector consists (among other things) of two files which are named the same:
http://www.polarion.org/projects/subversive/download/eclipse/2.0/update-site/features/org.polarion.eclipse.team.svn.connector_2.0.3.I20080814-1500.jar
http://www.polarion.org/projects/subversive/download/eclipse/2.0/update-site/plugins/org.polarion.eclipse.team.svn.connector_2.0.3.I20080814-1500.jar
At the moment makepkg downloads the first one, looks at its cache, and thinks that it already has the second file, too, because it has the same name. As a result, I can neither fetch both files nor use both of them in the build()-function...
Are there currently any mechanisms in makepkg to deal with multiple source files having the same name?
The only solution I see at the moment would be to only include the first file in the source array, install it in the build()-function and then manually download the second one via wget and install it after that (AKA Quick & Dirty).
But of course I would prefer a nicer solution to this problem if possible. ^^
TIA!
G_SymeAllan wrote:I think you should file a bug report asking for a way to deal with this (but I'm not sure how to fix this at the moment...)
OK, I've filed a bug report and have also included a suggestion how to solve this problem. -
I have an urgent question about my indesign. I had problems with the creative cloude app and then uninstalled it and then installed it again. Now it is not opening and I cannot download it again either. Pls give me help and advice if there is anything I can do to repair it
Please authorize ADE 3 with same credentials that you used with older version of ADE
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I have an ipad mini 1st gen 64 gb (wifi only) and i have problem with some of my apps. These apps have lags when you play with them for a few seconds the apps are having lags are call of duty strike team, gta San Andreas and nfs most wanted.pleas help me
I'm going to guess videos buffer for a while also...
Two possibilities, one is you should close apps on the iPad, the other is your internet speed is not able to handle the demands of a high speed device.
To close apps: Double click home button, swipe up to close the apps.
To solve internet problem, contact your provider. Basic internet is not enough for video games and movies. Your router may be old and slow. -
I made a purchase with my debit card on The Simpson Tapped out game, And now my game won't open. It just kicks me out every time I click on it. How do I fix this problem with out deleting my app?
Personally, I would never use a debit card online, for security reasons. If your card gets hacked its your money that is stolen. At least with a credit card it is the card providers money that is stolen.
Anyway, I would delete the app and re-install. If you paid for the app in the first place you will be able to re-install free of charge. Also, the app should allow the in-app purchase to happen again as it should recognise that you have already purchased it previously.
Finally, it might be that the 3G doesnt have as much ram as more recent models of iphone and you may have applications running in the background that are preventing the app to function with the in-app purchase unless you shut down any apps eating all you memory that are running in the background. Shut-down these apps (and the simpson tap out app) by exiting to your home screen and double-tapping the home button to show what apps are running in the background. press and hold any of the open apps until it starts shaking. close all the apps down. exit then re-launch the app.
good luck. -
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Your Web site administrator will need to update your key to allow you to delete files you are able to edit.
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HI,
Thanks in Advance for your suggestions.. Highly appreciated.
We have problems with multiple IDocs in one file.
We are using XIB ( Amtrix ) as Middleware to receive the files.
Curretenly When the file contains one IDoc then there is no problem. IDoc is created and everything is ok.
If file contains two IDocs ( for example two messages ORDERS and DELVERY ) then it is creating two IDocs but both IDocs contains ORDERS plus DELIVERY segements information. That is the problem. Some how SAP unable to differentiate the IDocs in the file.. But it knows that how many idocs are there in the file..because it is creating exact number of idocs.
We are using TRFC port ... Do I need to change it to File port..
When we have more than one idoc do we need set any parameter in the file ...Thanks for the swift response. Always ideas are useful.
As of now , Middleware cannot split the file.
Thing is SAP is creating two Idocs with different message types. Problem is First IDoc contains ORDERS message type but also DELIVERY segments as well. Second IDoc with DELIVERY message tyoe but ORDERS segments as well... This is the problem... I think we are missing some field activation in file for EDIDC record.
As far as I know file port supports the number of IDocs in one file.. Hope TRFC port also supports that -
helpme please,sorry but i dont speak a good english, i have a problem with my ipod the apps Twitter,Facebook not open but messenger(fb) music yes,I can do to make them work?
See:
iOS: Troubleshooting applications purchased from the App Store
Restore from backup. See:
iOS: How to back up
Restore to factory settings/new iPod -
Hai Matt
I have a problem with download a new app. While I bought iphone5, I take iphone to shopkeeper for download some app and videos that he used his Apple ID . That's t problem now.. Not all the time his ID is appearing but some times his Apple ID is appearing that time I can't download app, videos, songs.. So please guide me to remove that ID or how to solve that..
Regards
BabuCheck Settings/iTunes and AppStore/AppleID and make sure that your AppleID is filled in. If not , sign out and sign in with the correct info.
To make sure that no other apps or videos are on your device than the one you bought, set it up as new device, explained here: How to back up your data and set up as a new device
Content that is not bought with your ID can't be used on your phone, that's why his ID and password is asked when you try to use those apps downloaded in the store. -
Problem with multiple forms and subview
I have a problem when using NetBean Web Pack (JDK6, Net Beans 5.5, JSF 1.2).
1) I created a JSF page (hello.jsp) and a page fragment (header.jspf) inside Web Pack, and let the JSF page (hello.jsp) includes the page fragment.
2) The include instruction is outside of the "form" element id=main_form() of the first JSF page.
3) Inside the page fragment (header.jspf), I put a form (id=header_form) with some input fields inside the "subview" element.
4) When running the web application, the form and its children (id=header_form) inside the subview are not rendered.
It seems to be a problem with multiple forms on a page and the subview.
Do I use these JSF components incorrectly? Any advice?
ThanksThe forms are not nested.
hello.jsp
<webuijsf:body ...>
<!-- BEGIN: include header -->
<div style="margin: 0px 0px 10px 0px; left: 0px; top: 0px">
<jsp:directive.include file="Header.jspf"/>
</div>
<!-- END: include header -->
<webuijsf:form ...>
From above fragment, you can see the header.jspf is outside of the form element.
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