Using the JMS API in Java EE Applications

Hello to all,
this is some sort of theoretical question.
I been reading the JMS documentation for a while.
1.I could not understand what this statement means :
>
This section describes the ways in which using the JMS API in enterprise bean applications or web applications differs from using it in application clients.
2. What is the difference to use the JMS in java EE web orEJB container and application client ?
Thanks.

peterwkc wrote:
Hello to all,
this is some sort of theoretical question.
I been reading the JMS documentation for a while.
1.I could not understand what this statement means :
>
This section describes the ways in which using the JMS API in enterprise bean applications or web applications differs from using it in application clients.
What a developer is allowed to do is different depending on whether they are writing code to run in a container or not. The container already provides lots of services so some code you would write for outside a container is not needed when you write for a container. There are APIs that you are not allowed for in container code if you want to adhere to the spec.
>
2. What is the difference to use the JMS in java EE web orEJB container and application client ?
Thanks.Read more of that document to find out the differences. Application components in Web/EJBs must not create more than one active session per connection while application clients are allowed to do so.

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Using the Desktop API in Java SE 6 (Mustang)

<p>The Java platform continues to evolve, and Java applications can now integrate with the host desktop better than ever before. This new article describes how to integrate your Java application into the desktop using new Java SE 6 features:</p>
http://java.sun.com/developer/technicalArticles/J2SE/Desktop/mustang/desktop_api/

peterwkc wrote:
Hello to all,
this is some sort of theoretical question.
I been reading the JMS documentation for a while.
1.I could not understand what this statement means :
>
This section describes the ways in which using the JMS API in enterprise bean applications or web applications differs from using it in application clients.
What a developer is allowed to do is different depending on whether they are writing code to run in a container or not. The container already provides lots of services so some code you would write for outside a container is not needed when you write for a container. There are APIs that you are not allowed for in container code if you want to adhere to the spec.
>
2. What is the difference to use the JMS in java EE web orEJB container and application client ?
Thanks.Read more of that document to find out the differences. Application components in Web/EJBs must not create more than one active session per connection while application clients are allowed to do so.

How to filter tasks on the Creation date using the IWorklist API in Java

Hi all,
I'm currently developing a java gui application to display usertasks set by the BPM.
I use the WorkList API to communicate with the TaskActionActionHandler.
I only want the tasks that has a creation that is after a specified date. Therefore I add a filter. The code for retrieving the usertasks now becomes:
Map filterMap = new HashMap();
SimpleDateFormat d = new SimpleDateFormat("dd-mm-yyyy");
Date date = d.parse((String) dForm.get("filterdate"));
Calendar cal = Calendar.getInstance();
cal.setTime(date);
filterMap.put(IWorklistService.FILTER_TYPE_CREATE_DATE_FROM_FILTER,
cal);
RemoteWorklistServiceClient client = new RemoteWorklistServiceClient();
client.init();
IWorklistContext ctx = client.authenticateUser(user, password);
List tasks = client.getWorklistTasks(ctx, filterMap,
IWorklistService.SORT_FIELD_TASK_TITLE,
IWorklistService.SORT_ORDER_ASCENDING);
You can see from the above code-fragment that I specify a FILTER_TYPE_CREATE_DATE_FROM_FILTER filter that is given a Calendar object. This is not working properly. Also a Date value gives a runtime error.
The error I get is :
ORABPEL-10150 Worklist Service Task List Error. An error occured in the Worklist Service while retrieving the task list for user jcooper. Check the task filter criterion and the error stack and fix the cause of the error. Contact oracle support if error is not fixable. at com.evermind.server.rmi.RMIConnection.EXCEPTION_ORIGINATES_FROM_THE_REMOTE_SERVER(RMIConnection.java:1602) at com.evermind.server.rmi.RMIConnection.invokeMethod(RMIConnection.java:1553) at
Can anyone tell me what kind of dateformat I have to specify for the filter option FILTER_TYPE_CREATE_DATE_FROM_FILTER?
Thanks in advance!
Tom

Hi,
Enter the format that you have defined in the configuration of the property in the Additional Metadata parameter. Use the syntax customFormat=<pattern>.
In this link, you have at the end screenshots where to navigate in KM to see the property metadatas of your property:
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/645d4357-0701-0010-07bd-a2ea8c4d0aaf
Here see the Defenitions of the KM Metadata Properties:
https://wiki.sdn.sap.com/wiki/display/KMC/DefenitionsoftheKMMetadata+Properties
Regards,
Praveen Gudapati

How to use the Worklist API from Java (classpath ??)

Hi all,
Sorry for a novice question but I couldn't find the way to go about this (probably because it's such common knowldge...)
I would like to try and use the Worklist API from my Java code in Eclipse, and according to the BPEL dev-guide I need to add an Import command for oracle.tip.pc.api.worklist. Where do I find these classes ?????
I guess I need to change my CLASSPATH but I couldn't find a single word about this in the BPEL dev-guide (chapter 17), BPEL installation guide or elseware.
thanks.

Hi all,
Ok now.
To summarize - I was trying the code from BPEL developer guide, chapter 17, page 40 for using the Worklist local API's.
Only after adding the following JAR's to the build path, was I able to compile it:
orabpel-common.jar
orabpel.jar
bpm-infra.jar
bpm-services.jar
So, these 4 JAR's are required for using the Worklist local API's (not a clue in the dev guide itself for this requirement though...)
Thank you very much for your help,
assaf.

How to count number of lines inside methods() using the Doclet API

Wrote a custom doclet using the [Doclet API|http://java.sun.com/j2se/1.3/docs/tooldocs/javadoc/doclet/index.html ] .
The purpose for the doclet is to load Java source files and create stubs (which are identical Java source files but do not contain any method implementation details).
Instead, the method implementation details need to be replaced with blank lines...
public class MyDoclet {
     private static String TAB = "\t";
     public static boolean start(RootDoc root) {
          ClassDoc[] classes = root.classes();
          // Parse through class or interface
          for (ClassDoc clazz : classes) {
               Type superClass = clazz.superclassType();
               // Print Methods
               MethodDoc[] methods = clazz.methods();
               for (MethodDoc method : methods) {
                    Parameter[] parameters = method.parameters();
                    println();
                    if (!method.isPrivate()) {
                         print(TAB + method.modifiers() + " "
                                                + method.returnType().simpleTypeName() + " " + method.name());
                         print("(");
                         for (int i=0; i < parameters.length; i++) {
                              Parameter parameter = (Parameter) parameters;
                              print(parameter.type().simpleTypeName() + " " + parameter.name());
                              if (i != parameters.length - 1) {
                                   print(", ");
                         print(")");
                         println(" {");
                         println("\n");
                         println(TAB + "}");
          return true;
As one can see, I am just creating the method and placing the opening and closing curly braces (along with a new \n line escape sequence, in between).
Am not really that familiar with the Doclet API...
Question(s):
(1) What is the best way to figure out how many lines of code are inside each method and then use a for loop to insert the exact same number of blank lines inside the methods?
(2) Is there a way to do it using the com.sun.javadoc.SourcePosition.line() method?
Would really appreciate it if someone could help me because this is an important requirement (hence the 10 Duke Stars).
Happy coding to all,
Mike

This is not possible using the Doclet API, because JavaDoc does not store any information regarding implementation detail. Although MethodDoc#position will give you the line where the method is declared, there is no way to determine where the method body starts and ends.
If you need that much information, maybe you would be better of using a tool such as Eclipse's Abstract Syntax Tree parser. AST will provide you with line numbers for each code expression, hence it is relatively easy to compute the first and last line in a method body.

Change workarea rule using the Repository API

Hi,
I have a simple question: Can I use the Repository API (either
Java or PLSQL packages) to change the rule of workarea: in order
to add to or remove configurations from the rule? I do not want
the use the RON and preferably not the CLT either.
I could not find anything about this functionality in the API
doc.
Regards,
Rinse Veltman
Solution Partners
Custom Solutions

Rinse,
Have a look at the API jr_workarea
FUNCTION jr_workarea.add_head_entry (workarea_id IN NUMBER
, entry_ivid IN NUMBER
, rule_id IN NUMBER:=NULL
, v_param1 IN VARCHAR2:=NULL
, v_param2 IN VARCHAR2:=NULL
, v_param3 IN VARCHAR2:=NULL
, c_exclude IN CHAR:=NULL)
RETURN NUMBER;
Where:
workarea_id specifies the workarea.
entry_ivid is the IVID of the configuration, if the entry is
associated with a configuration, NULL otherwise.
rule_id is the IRID of the rule to be used, if the entry is
associated with a rule, NULL if the entry is configuration based.
param1 through v_param3 are parameter values (if any) for the
rule.
c_exclude specifies whether to exclude or include objects
produced by the rule or contained in the configuration.
Use entry_ivid to specify a configuration. This is in the Model
and API documentation.
regards,
David

Java applet using the Swing API

write a Java applet using the Swing API to manage a PC repair shop. When a PC is brought in for repair, a member of staff will use this applet to log it into the system as a repair job. They will also be able to use the applet to manage the job e.g. allocate a person to carry out the repair and enter costs.
You must not use a tool such as JBuilder to generate Java code. If you use code from elsewhere e.g. a text book, you must highlight the code and state the reference clearly and include a photocopy of the relevant pages from the text book or other source.
You should hard-code some initial data into your applet. You should not store any data in a file or database.
Level of functionality you should attempt to implement:
Level 1 � Your applet should:
a.     As a minimum, your program should store (in memory) at least 10 repair jobs. For each repair job, you need to store:
�     The name and phone number of the customer bringing the PC in for repair;
�     A brief textual description of the problem;
�     Whether the PC is under warranty or not.
b.     Your program must allocate and display a unique number for the job once it is accepted.
c.     The user must be able to view the details of jobs. They should be able to select either:
�     All the jobs in the system; or
�     Jobs being carried out under warranty.
Level 2 � Your applet must meet the requirements for level 1. In addition it should:
a.     You should carry out appropriate validation checks on input data e.g. the phone number contains all digits.
b.     System should cope with an unlimited number of jobs.
c.     The user should be able to select a job and then allocate a repairer to that job.
d.     The user should be able to display a list of jobs for each repairer.
Level 3 - Your applet must meet the requirements for level 1 and 2. In addition it should allow the user to:
a.     Select a job and input the cost of repair for:
�     the number of hours labour;
�     parts.
b.     Select a job and present the user with a cost for the labour (hard code an hourly labour cost) and parts, plus a total for that job. For jobs under warranty the total will be zero, however the cost of labour and parts will be shown.
c.     Be able to inform the business of the total expected income from the all the jobs in the system that are not under warranty.
Level 4 � Your applet must meet the requirements for level 1 to 3. In addition:
a.     The user should be able to enter a job priority which can be identified as high, medium or low.
b.     Each repairer should be able to view a list of their jobs in order of priority.

Done, what next ?
Noah

Using the Preferences API

I've never used this API before, so excuse my ignorance. I have a web application that I have been using a properties file to store base app info, such as the backend database, the url for the ldap, etc. This has been working fine, but after reading about the Preferences API, I thought that this might be the better place to store this info. However, I'm having permission problems that I haven't been able to figure out.
I've got a development copy of everything on a single computer (using Windows XP), Sun One App Server, and Oracle.
I created a small test class to see if I could load preferences from an xml file. Here's the class
package portal.common;
import java.util.*;
import java.util.prefs.*;
import java.io.*;
import java.lang.*;
public class PortalPreferences{
     Preferences sysPreferencesRoot;
     public void prefs() throws SecurityException{
sysPreferencesRoot = Preferences.systemRoot();
     public void uploadPrefs(String file) throws IOException, InvalidPreferencesFormatException{
     FileInputStream fis = new FileInputStream(file);
     RuntimePermission rpermiss = new RuntimePermission("preferences.*");
     Preferences.importPreferences(fis);
     public Preferences getPrefs(){
     return sysPreferencesRoot;
I then used a jsp to instantiate the class and call the uploadPrefs method. The class instantiates without error, but when I try to load the xml file I get the following error:
access denied (java.lang.RuntimePermission preferences)
I've never done anything with the security manager before so I'm not sure how to get around this. I tried creating a RuntimePermission object above, but that didn't work.
If anyone has any ideas, I'd much appreciate it.

No, actually I've got the Sun One App server loaded on a desktop I built that I'm using as a test box - its not a server. The Sun server is running fine, as is Oracle. The only problem I'm having is figuring out how to use the Preferences API. Maybe this API isn't the right thing to be using, that's why I'm asking for advice as well as how to get around the security issue that I'm having. My goal is to have application level information that can be stored somewhere other than in a database - this is because one of the pieces of app info is the database that's being used. This app will work with any backend. Currently, this info is stored in a properties file inside the WEB-INF directory. This works fine as is. However, my issue with that is that in order to load the properties file, I've got to have a real drive path. This again isn't that much of an issue except when trying to access from a class that doesn't have the servlet context, however, I am looking for an alternative solution to the properties file. The Preferences seemed like a good solution.

Help/Example needed for creating JMSQueues/JMSTopics using the MBean API

I am trying to create JMSQueues programmatically using the MBean API. When
I use MBeanHome.createAdminMBean(), a queue appears in the root of the
config file. This is progress, but the queue is in the wrong place! I need
the queues to be part of my JMS server's "destinations" as seen on the
console.
So now I am trying to use createConfigurationMBean() instead, but I can't
figure out what the "parent" parameter should be- no documentation! My
first guess was that the parent might be the JMSServer, but that doesn't
work.
Anyone have example code to insert JMSQueues and JMSTopics into a specific
JMS server's destinations?
Here is the code I tried... All goes well until the final
createConfigurationMBean call, where it throws a MBeanCreationException:
// Get the MBeanHome bean
Object obj = jndiContext.lookup("weblogic.management.adminhome");
MBeanHome mbeanhome = (MBeanHome) javax.rmi.PortableRemoteObject.narrow
(obj, MBeanHome.class);
// Get the server MBean
JMSServerMBean jmsServerMB =
(JMSServerMBean)mbeanhome.getMBean("examplesJMSServer",
JMSServerMBean.class);
// Create the new Queue
JMSQueueMBean jmsQMB = (JMSQueueMBean)mbeanhome.createConfigurationMBean
("weblogic.examples.jms.fooQueue", "JMSQueue", jmsServerMB);

Ok, I still don't see how I can do it differently with the admin tool. If
you want to see the commands I'm using, I can post them, but the basic one
is shown below in the previous message. We're trying to set up a script so
that developers can just run it and properly configure WebLogic with the
right components.
Thanks,
Michelle
"Michelle Baxter" <[email protected]> wrote in message
news:[email protected]...
I am using the weblogic.Admin tool, not doing this in code. I will attempt
to translate your advice when I get time again.
My commands look like this:
java weblogic.Admin -url 127.0.0.1:7001 -username system -passwordweblogic
CREATE -mbean "mydomain:Type=JMSQueue,Name=MyJMSQueue"
I create this, I create the JMSServer MBean, then do and INVOKE (insteadof
CREATE) and call the addDestination method, adding the JMS Queue MBeanthat
I created previously, using the same naming scheme as in the above CREATE.
"Viresh Garg" <[email protected]> wrote in message
news:[email protected]...
Daron Cole wrote:
You can use createConfigurationMBean with JMSQueueConfig but in the
end
I used
the code below to create a topic.The code that you posted is the right way to create queus/topics. alwayscreate admin mbeans to admin
server and let admin server internally create config Mbeans on the
managed
server as per the
location/targets that you set in admin Mbeans.
Queue's are the same, just replace the word
Topic with Queue and it should work. It should show up in the console
app.
MBeanHome home = (MBeanHome)ctx.lookup(MBeanHome.JNDI_NAME+".myserver");
ServerMBean myserver =(ServerMBean)home.getMBean("myserver",ServerMBean.class);
String topicName = "MyNewTopic";
JMSServerMBean jmsServerMB =(JMSServerMBean)home.getMBean("JMSServer","JMSServer","mydomain");
JMSTopicMBean jmsTopicMB =(JMSTopicMBean)home.createAdminMBean(topicName,"JMSTopic","mydomain");
jmsTopicMB.setJNDIName(topicName);
jmsServerMB.addDestination(jmsTopicMB);
Viresh Garg
Principal Developer Relations Engineer
BEA Systems
"Michelle Baxter" <[email protected]> wrote:
There is no JMSQueueConfigMBean. What do you mean?
"Daron Cole" <[email protected]> wrote in message
news:[email protected]...
Try JMSQueueConfig instead of JMSQueue.
"Michelle Baxter" <[email protected]> wrote:
Me too! I'm trying to use the weblogic.Admin class to set up
queues
and
topics and the JMS server. The same results in the config file:
the
queues
and topic were set up at the root, the JMS server was added, but
no
destinations, even though I invoked the addDestination method withthe
created MBean queues and topic as arguments. No exceptions, just
no
destinations on the JMS server resulted. What's the right order ofexecution
for this stuff??
Thanks,
Michelle
"Jude DeMeis" <[email protected]> wrote in message
news:[email protected]...
I am trying to create JMSQueues programmatically using the MBean
API.
When
I use MBeanHome.createAdminMBean(), a queue appears in the root
of
the
config file. This is progress, but the queue is in the wrong
place!
I
need
the queues to be part of my JMS server's "destinations" as seen
on
the
console.
So now I am trying to use createConfigurationMBean() instead,
but
I
can't
figure out what the "parent" parameter should be- no
documentation!
My
first guess was that the parent might be the JMSServer, but that
doesn't
work.
Anyone have example code to insert JMSQueues and JMSTopics intoa
specific
JMS server's destinations?
Here is the code I tried... All goes well until the final
createConfigurationMBean call, where it throws aMBeanCreationException:
// Get the MBeanHome bean
Object obj =
jndiContext.lookup("weblogic.management.adminhome");
MBeanHome mbeanhome = (MBeanHome)javax.rmi.PortableRemoteObject.narrow
(obj, MBeanHome.class);
// Get the server MBean
JMSServerMBean jmsServerMB =
(JMSServerMBean)mbeanhome.getMBean("examplesJMSServer",
JMSServerMBean.class);
// Create the new Queue
JMSQueueMBean jmsQMB =(JMSQueueMBean)mbeanhome.createConfigurationMBean
("weblogic.examples.jms.fooQueue", "JMSQueue", jmsServerMB);

Capture an image using the web camera from a web application

Hi All,
Could anyone please share the steps what have to be followed for capture an image using the web camera from a web application.
I have a similar requirement like this,
1) Detect the Webcam on the users machine from the web application.(To be more clear when the user clicks on 'Add Photo' tool from the web application)
2) When the user confirms to save, save the Image in users machine at some temporary location with some unique file name.
3) Upload the Image to the server from the temporary location.
Please share the details like, what can be used and how it can be used etc...
Thanks,
Suman

1) Detect the Webcam on the users machine from the web application.(To be more clear when the user clicks on 'Add Photo' tool from the web application)There's not really any good way to do this with JMF. You'd have to somehow create a JMF web-start application that will install the native JMF binaries, and then kick off the capture device scanning code from the application, and then scan through the list of devices found to get the MediaLocator of the web cam.
2) When the user confirms to save, save the Image in users machine at some temporary location with some unique file name.You'd probably be displaying a "preview" window and then you'd just want to capture the image. There are a handful of ways you could capture the image, but it really depends on your situation.
3) Upload the Image to the server from the temporary location.You can find out how to do this on google.
All things told, this application is probably more suited to be a FMJ (Freedom for Media in Java) application than a JMF application. JMF relies on native code to capture from the web cams, whereas FMJ does not.
Alternately, you might want to look into Adobe Flex for this particular application.

Problems while uploading files using the FileReference API

I've built an image uploader module in Flex using the FileReference API and PHP.
While this works perfect for images upto 1 MB, What I'm noticing is that for images greater that 1 MB even after the Event.COMPLETE has triggered, the file hasn't yet been uploaded into the folder.. its only after a couple of seconds or minutes after the Event.COMPLETE, that the image actually shows up in the FTP folder. Morever I also noticed that for such files the DataEvent.UPLOAD_COMPLETE_DATA that we are using to get feedback from PHP never gets called.
I thought it would be related to the PHP script getting timed out... but the PHP script does get executed and the images do show up in the folder but thats way after the Event.Complete has been triggered and more importantly DataEvent.UPLOAD_COMPLETE_DATA doesnt get called.
Everything seems to work fine as long as the file size is under 1 MB
Did others too face similar problems and any ideas on how to fix it?
Thanks in advance

I don't believe there is, as the browse button renders out as an html input type file component, and this has no ability to get native file size from the client. The only way to do it is to check the file size server side, but that kind of defeats the purpose to some extent, as the file is required to be uploaded before the file size can be checked.
There is no way to do this on the client short of using a third party client side component - ie. java, flash or some other active component that gets file system level access.
Ben

Weblogic Server 9.2 Crashes when using the JMS Wrapped Connection Pooling.

===== BEGIN DUMP =============================================================
JRockit dump produced after 0 days, 01:05:05 on Thu Sep 16 18:27:36 2010
Additional information is available in:
E:\obopay\servers\EWP_9.2_Domain\jrockit.4516.dump
E:\obopay\servers\EWP_9.2_Domain\jrockit.4516.mdmp
If you see this dump, please open a support case with BEA and
supply as much information as you can on your system setup and
the program you were running. You can also search for solutions
to your problem at http://forums.bea.com in
the forum jrockit.developer.interest.general.
Error Message: Illegal memory access. [54]
Exception Rec: EXCEPTION_ACCESS_VIOLATION (c0000005) at 0x0095065F - memory at 0x00740060 could not be read.
Minidump : Wrote mdmp. Size is 567MB
SafeDllMode : -1
Version : BEA JRockit(R) R27.2.0-131-78843-1.5.0_10-20070320-1457-windows-ia32
GC Mode : Garbage collection optimized for throughput
GC Strategy : Generational Parallel Mark & Sweep
: Current OC phase is: not running. YC is not running.
: GC strategy for GC 36 was genparpar
: GC strategy for GC 37 was genparpar
: GC strategy for GC 38 was genparpar
: GC strategy for GC 39 was genparpar
: GC strategy for GC 40 was genparpar
: mmHeap->data = 0x00C00000, mmHeap->top = 0x10C00000
: The nurserylist starts at 0x01BE75E8 and ends at 0x0CB52440
: mmStartCompaction = 0x00C00000, mmEndCompaction = 0x01C00000
: References are 32-bit.
CPU : Intel Pentium III/Pentium III Xeon SSE SSE2 SSE3 SSSE3 EM64T
Number CPUs : 2
Tot Phys Mem : 3451408384 (3291 MB)
OS version : Microsoft Windows XP version 5.1 Service Pack 3 (Build 2600) (32-bit)
Thread System: Windows Threads
State : JVM is running
Command Line : -Djava.library.path=E:\bea\jrockit90_150_10\bin;E:\bea\jrockit90_150_10\jre\bin;E:\bea\weblogic92\server\native\win\32;E:\bea\weblogic92\server\bin;E:\bea\weblogic92\server\native\win\32\oci920_8 -Dweblogic.management.discover=false -Dplatform.home=E:\bea\weblogic92 -Dwls.home=E:\bea\weblogic92\server -Dwli.home=E:\bea\weblogic92\integration -Dweblogic.Name=myserver -Dweblogic.management.username=weblogic -Dweblogic.management.password=weblogic -Dweblogic.ext.dirs=E:\bea\patch_weblogic901\profiles\default\sys_manifest_classpath\weblogic_patch.jar Djava.security.auth.login.config=E://workspace/Bhopal/LoginModulesConfig/ewp_loginmodules.config -Djava.naming.factory.initial.ewp.remote=weblogic.jndi.WLInitialContextFactory -Dcom.ewp.proxy.is_remote=false -Djava.naming.provider.url.ewp.remote=t3://localhost:7001 -Dweblogic.webservice.verbose=true -Dweblogic.log.Log4jLoggingEnabled=true -Dweblogic.security.SSL.ignoreHostnameVerification=true Xdebug -Xnoagent -Dcom.sun.management.jmxremote -Xms256m -Xmx1024m -Dsun.java.launcher=SUN_STANDARD weblogic.Server
java.home : E:\bea\jrockit90_150_10\jre
JAVA_HOME : <not set>
JAVAOPTIONS: <not set>
PATH : E:\bea\jrockit90_150_10\jre\bin;E:\oracle\product\10.2.0\client_1\bin;C:\Program Files\PC Connectivity Solution\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Intel\DMIX;C:\Program Files\TortoiseSVN\bin
C Heap : Good; no memory allocations have failed
StackOverFlow: 0 StackOverFlowErrors have occured
OutOfMemory : 0 OutOfMemoryErrors have occured
Registers (from ThreadContext: 0x4B29E378 / OS context: 0x4B29E764):
eax = 00740060 ecx = 00740060 edx = 45a45ba0 ebx = 08c953b8
esp = 4b29ea30 ebp = 00000000 esi = 4b29ea60 edi = 4b29efb4
es = 00000023 cs = 0000001b ss = 00000023 ds = 00000023
fs = 0000003b gs = 00000000
eip = 0095065f eflags = 00010206
Stack:
(* marks the word pointed to by the stack pointer)
4b29ea30: 00981099* 08c953b8 008ab310 4b29eb34 09e5c308 009810ea
4b29ea48: 4b29ead8 0098ecd2 4b29ea60 4b29ea90 48bd8960 48bd8960
4b29ea60: 00000001 45aa0278 45a45ba0 00000007 00000000 08c953b8
4b29ea78: 08512180 4b29ef60 00000000 09d56368 09d563b0 4b29efb4
Code:
(* marks the word pointed to by the instruction pointer)
0095062c: 5e5f0cc4 c35bc033 01b85e5f 5b000000 ccccccc3 0424448b
00950644: a5f06ca3 ccccc300 cccccccc 04244c8b 01a8018b e0830774
0095065c: 8bc88bfe* 40788301 44408b03 af0f0a75 c0830841 f8e08317
00950674: ccccccc3 cccccccc cccccccc 0424448b 00f4888b 158b0000
Loaded modules:
(* denotes the module causing the exception)
00400000-0040ffff E:\bea\jrockit90_150_10\bin\javaw.exe
7c900000-7c9b1fff C:\WINDOWS\system32\ntdll.dll
7c800000-7c8f5fff C:\WINDOWS\system32\kernel32.dll
7e410000-7e4a0fff C:\WINDOWS\system32\USER32.dll
77f10000-77f58fff C:\WINDOWS\system32\GDI32.dll
77dd0000-77e6afff C:\WINDOWS\system32\ADVAPI32.dll
77e70000-77f02fff C:\WINDOWS\system32\RPCRT4.dll
77fe0000-77ff0fff C:\WINDOWS\system32\Secur32.dll
77c10000-77c67fff C:\WINDOWS\system32\MSVCRT.dll
76390000-763acfff C:\WINDOWS\system32\IMM32.DLL
00820000-00a9cfff *E:\bea\jrockit90_150_10\jre\bin\jrockit\jvm.dll
76b40000-76b6cfff C:\WINDOWS\system32\WINMM.dll
71ab0000-71ac6fff C:\WINDOWS\system32\WS2_32.dll
71aa0000-71aa7fff C:\WINDOWS\system32\WS2HELP.dll
7c340000-7c395fff E:\bea\jrockit90_150_10\bin\MSVCR71.dll
5dac0000-5dac7fff C:\WINDOWS\system32\rdpsnd.dll
76360000-7636ffff C:\WINDOWS\system32\WINSTA.dll
5b860000-5b8b4fff C:\WINDOWS\system32\NETAPI32.dll
76bf0000-76bfafff C:\WINDOWS\system32\PSAPI.DLL
6d700000-6d70bfff E:\bea\jrockit90_150_10\jre\bin\verify.dll
6d370000-6d38cfff E:\bea\jrockit90_150_10\jre\bin\java.dll
6d2f0000-6d2f7fff E:\bea\jrockit90_150_10\jre\bin\hpi.dll
6d720000-6d72efff E:\bea\jrockit90_150_10\jre\bin\zip.dll
6d520000-6d527fff E:\bea\jrockit90_150_10\jre\bin\management.dll
6d530000-6d542fff E:\bea\jrockit90_150_10\jre\bin\net.dll
71a50000-71a8efff C:\WINDOWS\system32\mswsock.dll
662b0000-66307fff C:\WINDOWS\system32\hnetcfg.dll
71a90000-71a97fff C:\WINDOWS\System32\wshtcpip.dll
41c00000-41c26fff C:\WINDOWS\system32\DNSAPI.dll
41c30000-41c37fff C:\WINDOWS\System32\winrnr.dll
41c40000-41c6bfff C:\WINDOWS\system32\WLDAP32.dll
41c80000-41c85fff C:\WINDOWS\system32\rasadhlp.dll
68000000-68035fff C:\WINDOWS\system32\rsaenh.dll
769c0000-76a73fff C:\WINDOWS\system32\USERENV.dll
438b0000-438b8fff E:\bea\jrockit90_150_10\jre\bin\nio.dll
41ba0000-41ba9fff E:\bea\jrockit90_150_10\jre\bin\jmapi.dll
41bb0000-41bbdfff E:\bea\weblogic92\server\native\win\32\wlfileio2.dll
43ce0000-43cf8fff C:\WINDOWS\system32\iphlpapi.dll
43d10000-43d27fff C:\WINDOWS\system32\MPRAPI.dll
77cc0000-77cf1fff C:\WINDOWS\system32\ACTIVEDS.dll
43d30000-43d54fff C:\WINDOWS\system32\adsldpc.dll
43d60000-43d70fff C:\WINDOWS\system32\ATL.DLL
43d80000-43ebcfff C:\WINDOWS\system32\ole32.dll
43ec0000-43f4afff C:\WINDOWS\system32\OLEAUT32.dll
43f50000-43f5dfff C:\WINDOWS\system32\rtutils.dll
71bf0000-71c02fff C:\WINDOWS\system32\SAMLIB.dll
43f60000-44052fff C:\WINDOWS\system32\SETUPAPI.dll
44060000-44064fff E:\bea\weblogic92\server\native\win\32\wlntio.dll
44540000-44545fff E:\bea\jrockit90_150_10\jre\bin\rmi.dll
4d010000-4d122fff E:\bea\jrockit90_150_10\jre\bin\dbghelp.dll
"[STANDBY] ExecuteThread: '21' f" id=87 idx=0xf0 tid=4208 lastJavaFrame=0x4B29EB4C
Stack 0: start=0x4B260000, end=0x4B2A0000, guards=0x4B263000 (ok), forbidden=0x4B261000
Thread Stack Trace:
at _mmGetPossibleMovedObjectSize+15()@0x0095065F
at _refIterInit+393()@0x00981099
at _refIterInit+474()@0x009810EA
at _trProcessLocksForThread+66()@0x0098ECD2
at _javalockCouldBeLock+1047()@0x008AB417
at _javalockConvertThinToFat+42()@0x008AC13A
at RJNIjrockit_vm_Locks_convertThinLockedToFatLocked@8+15()@0x00986B1F
-- Java stack --
at jrockit/vm/Locks.convertThinLockedToFatLocked(Ljava/lang/Object;)V(Native Method)
at jrockit/vm/Locks.createMonitorAndConvert(Ljava/lang/Object;Z)Ljrockit/vm/ObjectMonitor;(Unknown Source)
at java/lang/Object.wait(J)V(Native Method)
at java/lang/Object.wait(Object.java:474)
at weblogic/common/CompletionRequest.getResult(CompletionRequest.java:109)
^-- Holding lock: weblogic/common/CompletionRequest@0x09E5C2A8[thin lock]
at weblogic/store/gxa/internal/GXATransactionImpl.commitStoreIO(GXATransactionImpl.java:99)
at weblogic/store/gxa/internal/GXATransactionImpl.doOperationCallbacks(GXATransactionImpl.java:215)
at weblogic/store/gxa/internal/GXAResourceImpl.commit(GXAResourceImpl.java:1448)
at weblogic/transaction/internal/XAServerResourceInfo.commit(XAServerResourceInfo.java:1333)
at weblogic/transaction/internal/XAServerResourceInfo.commit(XAServerResourceInfo.java:577)
at weblogic/transaction/internal/ServerSCInfo.startCommit(ServerSCInfo.java:514)
at weblogic/transaction/internal/ServerTransactionImpl.localCommit(ServerTransactionImpl.java:1993)
at weblogic/transaction/internal/ServerTransactionImpl.globalRetryCommit(ServerTransactionImpl.java:2658)
at weblogic/transaction/internal/ServerTransactionImpl.globalCommit(ServerTransactionImpl.java:2580)
at weblogic/transaction/internal/ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:278)
at weblogic/transaction/internal/ServerTransactionImpl.commit(ServerTransactionImpl.java:227)
at weblogic/deployment/jms/WrappedTransactionalSession.delistFromTransaction(WrappedTransactionalSession.java:258)
^-- Holding lock: weblogic/deployment/jms/PooledSession_weblogic_jms_client_JMSXASession@0x09D56368[thin lock]
at weblogic/deployment/jms/WrappedMessageProducer.send(WrappedMessageProducer.java:149)
at com/obopay/jms/helper/BaseQueueHelper.sendMessage(BaseQueueHelper.java:107)
The above is the jrockit crash dump file..
I am using the JMS Wrapper Connection Poooling provided by Weblogic. When i use Jmeter and do the load testing for around 10 users, the server gets crashed.
I doubt something is going wrong with the Weblogic JMS Connection Pooling, please help me..

The problem doesn't look like it has anything to do with wappers per se. The stack indicates that the JVM died when the persistent store tried to invoke a standard Java synchronize operation. JVM crashes need to be analyzed by a JVM expert, so I second the suggestion to solicit help from JVM experts and/or filing a case with customer support. In the mean-time, you can probably work-around the issue by either (A) ensuring you have a recent version of the JVM installed, or (B) temporarily switching to the Sun JVM.
Regards,
tom
Edited by: TomB on Sep 17, 2010 2:33 PM

How to use the UME api in order to search the LDAP?

Hello,
I have an application which connects to the LDAP the portal is connecting to and search users according to a certain search criteria.
Here is the relevant piece of code:
Hashtable env = new Hashtable();
DirContext ctx = new InitialDirContext(env);
SearchControls controls = new SearchControls();
String filter = "firstName=..."
NamingEnumeration results = ctx.search("OU=OUs", filter, controls);
I would like to do this same search using the UME API.
Can someone please show me the equivalent code to it using the UME API?

Hi Roy,
you find the Configuration File you are using in your portal via System Administration -> System Configuration -> UM Configuration -> Data Sources
or in sapume.properties where you can find
##xml file that configures the persistence except roles
ume.persistence.data_source_configuration=YOUR_DATASOURCE_CONFIG_FILE.xml
In this xml file, there is the entry
<principal type="user">:
<principal type="user">
     <nameSpaces>
     <nameSpace name="com.sap.security.core.usermanagement">
<attributes>
<attribute name="firstname" populateInitially="true"/><attribute name="displayname" populateInitially="true"/>               <attribute name="lastname" populateInitially="true"/>                    <attribute name="fax"/>                         <attribute name="email"/>                    <attribute name="title"/>               <attribute name="department"/>                    <attribute name="extensionAttribute2"/>               <attribute name="mobile"/>          <attribute name="telephone"/>                    <attribute name="streetaddress"/>               <attribute name="pobox"/>                    <attribute name="location"/>               <attribute name="telephoneShort"/>               </attributes>
     </nameSpace>
     <nameSpace name="com.sap.security.core.usermanagement.relation">
     <attributes>
     <attribute name="PRINCIPAL_RELATION_PARENT_ATTRIBUTE"/>
     </attributes>
     </nameSpace>
    </nameSpaces>
</principal>
According to your company LDAP attributes, you will have to extend the above attributes, telephoneShort for example is an attribute within our company.
The UME API does the rest.
All you have to do, is request the right attribute (in my above example it was the last name).
(Sorry for the format, but it is quite cumbersome to format it properly with the available editor )
Kind regards,
Rebecca

How to use the windows API GetCaretPos with FireFox? It works with IE

I want to get caret position from a windows desktop application using the Windows API GetCaretPos. It works in any windows Application and in IE. It worked also in FireFox for some minutes in version 3.6.8 but than it stopped working. Can anyone tell me how to make it work?
== This happened ==
Every time Firefox opened

Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies do the following:
#Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
#Under "Time range to clear", select "Everything".
#Now, click the arrow next to Details to toggle the Details list active.
#From the details list, check ''Cache'' and ''Cookies'' and uncheck everything else.
#Now click the ''Clear now'' button.
Did this fix your problems? Please report back to us!

Creating junit test cases using the reflection API

In order to use the reflection API to get information about a *.java file's class name and methods, I need to compile the *.java file first, and then get info through the *.class file. Am I right?
Eclipse, the Java IDE, can create junit test cases for java files the user selects right after the *.java files have been created, and even before the *.java files have been compiled by the user. I guess Eclipse internally compiles the java files before creating JUnit test cases for them. Does anyone know about it? Thanks.

Let me explain my problem in more details.
Given any java source tree, my program is supposed to create junit test cases for each class using java reflection. My approach is to scan through the source tree to keep the list of classes available, then compile all the java files in the given source tree, then do Class.forName() to load them to get their methods... Obviously I don't know what classes I will have at compilation time. I create a temp_classes directory as the output directory for the given source tree java files, and I add temp_classes to my classpath when I strart up my own program. However, that won't work..
D:\eclipse\workspace\cmpe271_hw4\classes>java -classpath ..\classes;..\temp_classes Test
javac -classpath .\temp_classes; -d .\temp_classes @temp_classes\javalist.txt
java.lang.ClassNotFoundException: Factory
java.lang.ClassNotFoundException: InvalidDateFormatException
java.lang.ClassNotFoundException: MyUtility
java.lang.ClassNotFoundException: Storage

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