| Calling a C routine from .dll |
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- 1
- Dynamic page creation using swingHello,
I have created a user interface using swing which takes a file as input
from the user and has a button for submission purpose. Once the user
clicks on the submit button i want the file to be fed to a particular
server. How do i do this? Is there a way to use scripting languages
like Perl, JavaScript with swing?
Please give your suggestions.
Thanks,
nisha
- 5
- Eclipse bug?Eclipse bug? Using most recent version (as of a couple weeks ago,
anyway), if it sits idle for a day or two in the taskbar, it stops
responding -- or at least it is really sluggish if you try to use it
again, and not just for a short time, but until you quit and restart it.
- 5
- message Driven bean problemhi,
i am trying to design an EJB application using session , entity and
message beans
it's a messaging board , a user can add a message , reply to a
message , and delete the message
when glasfish is running more than one application,
the board client side keeps calling the wrong jms\
// the addTopic class
package web;
import ejb.Topic;
import java.io.*;
import java.util.Date;
import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.Session;
import javax.servlet.*;
import javax.servlet.http.*;
public class AddTopic extends HttpServlet {
@Resource(mappedName = "jms/BoardTopicFactory")
private ConnectionFactory connectionFactorys = null;
@Resource(mappedName = "jms/BoardTopic")
private Queue queue = null;
private Connection connection = null;
private Session session = null;
@Override
protected void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
try {
try {
// creating a connection
connection = connectionFactorys.createConnection();
session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
MessageProducer messageProducer =
session.createProducer(queue);
ObjectMessage message = session.createObjectMessage();
Topic topic = new Topic();
// getting and setting all attributes required for the
topic
topic.setTopicDate(new Date());
// topic name validation , if empty , do not add it to
the database
if (request.getParameter("topicName").equals("")) {
} else {
topic.setTopicName(request.getParameter("topicName"));
message.setObject(topic);
messageProducer.send(message);
messageProducer.close();
// connection.close();
}
} finally {
if (session != null) {
session.close();
}
if (connection != null) {
connection.close();
}
}
} catch (JMSException ex) {
ex.printStackTrace();
}
getServletConfig().getServletContext().getRequestDispatcher("/
index.jsp").forward(request, response);
}
@Override
protected void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
/**
* Returns a short description of the servlet.
*/
@Override
public String getServletInfo() {
return "Short description";
}
// </editor-fold>
}
----------------------------------------------------------------------------------------------------
///the jms class
package ejb;
import javax.annotation.Resource;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.ejb.MessageDrivenContext;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.ObjectMessage;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
@MessageDriven(mappedName = "jms/BoardTopic", activationConfig = {
@ActivationConfigProperty(propertyName = "acknowledgeMode",
propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "destinationType",
propertyValue = "javax.jms.Queue")
})
public class BoardTopicBean implements MessageListener {
@PersistenceContext
private EntityManager em;
@Resource
MessageDrivenContext mdc;
public BoardTopicBean() {
}
public void onMessage(Message message) {
ObjectMessage msg = null;
try {
msg = (ObjectMessage) message;
persist(msg.getObject());
} catch (JMSException e) {
e.printStackTrace();
mdc.setRollbackOnly();
} catch (Throwable te) {
te.printStackTrace();
}
}
public void persist(Object object) {
// save the object (MessageTable or Topic)
em.persist(object);
// if the object is a MessageTable then add this newly created/
persisted object to the list of messages in the topic
if (object instanceof MessageTable) {
MessageTable msg = (MessageTable) object;
Topic topic = msg.getTopic();
if (topic == null) {
em.remove(msg);
} else {
topic = em.find(Topic.class, topic.getId());
topic.getMessages().add(msg);
em.merge(topic);
}
} else {
System.out.println("Wrong type in
merge..................");
}
}
}
----------------------------------------------------------------------------------------------------------------------
some of the exceptions thrown to the console
DirectConsumer:Caught Exception delivering
messagecom.sun.messaging.jmq.io.Packet cannot be cast to
com.sun.messaging.jms.ra.DirectPacket
MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
object::message=ejb.Topic
javax.jms.MessageFormatException:
MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
object::message=ejb.Topic
at
com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
169)
at ejb.HockeyMessagesBean.onMessage(HockeyMessagesBean.java:
34)
at sun.reflect.GeneratedMethodAccessor140.invoke(Unknown
Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:
1067)
at
com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176)
at
com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:
2895)
at
com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:
3986)
at
com.sun.ejb.containers.MessageBeanContainer.deliverMessage(MessageBeanContainer.java:
1111)
at
com.sun.ejb.containers.MessageBeanListenerImpl.deliverMessage(MessageBeanListenerImpl.java:
74)
at
com.sun.enterprise.connectors.inflow.MessageEndpointInvocationHandler.invoke(MessageEndpointInvocationHandler.java:
179)
at $Proxy52.onMessage(Unknown Source)
at
com.sun.messaging.jms.ra.OnMessageRunner.run(OnMessageRunner.java:258)
at
com.sun.enterprise.connectors.work.OneWork.doWork(OneWork.java:76)
at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl
$WorkerThread.run(ThreadPoolImpl.java:555)
Caused by: java.lang.ClassNotFoundException: ejb.Topic
at
com.sun.enterprise.loader.EJBClassLoader.findClassData(EJBClassLoader.java:
718)
at
com.sun.enterprise.loader.EJBClassLoader.findClass(EJBClassLoader.java:
631)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at com.sun.messaging.jms.ra.DirectObjectPacket
$ObjectInputStreamWithContextLoader.resolveClass(DirectObjectPacket.java:
301)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:
1575)
at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:
1732)
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:
351)
at
com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
155)
... 15 more
DirectConsumer:Caught Exception delivering
messagecom.sun.messaging.jmq.io.Packet cannot be cast to
com.sun.messaging.jms.ra.DirectPacket
MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
object::message=ejb.HockeyEntity
javax.jms.MessageFormatException:
MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
object::message=ejb.HockeyEntity
at
com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
169)
at ejb.BoardTopicBean.onMessage(BoardTopicBean.java:33)
at sun.reflect.GeneratedMethodAccessor146.invoke(Unknown
Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:
1067)
at
com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176)
at
com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:
2895)
at
com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:
3986)
at
com.sun.ejb.containers.MessageBeanContainer.deliverMessage(MessageBeanContainer.java:
1111)
at
com.sun.ejb.containers.MessageBeanListenerImpl.deliverMessage(MessageBeanListenerImpl.java:
74)
at
com.sun.enterprise.connectors.inflow.MessageEndpointInvocationHandler.invoke(MessageEndpointInvocationHandler.java:
179)
at $Proxy56.onMessage(Unknown Source)
at
com.sun.messaging.jms.ra.OnMessageRunner.run(OnMessageRunner.java:258)
at
com.sun.enterprise.connectors.work.OneWork.doWork(OneWork.java:76)
at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl
$WorkerThread.run(ThreadPoolImpl.java:555)
Caused by: java.lang.ClassNotFoundException: ejb.HockeyEntity
at
com.sun.enterprise.loader.EJBClassLoader.findClassData(EJBClassLoader.java:
718)
at
com.sun.enterprise.loader.EJBClassLoader.findClass(EJBClassLoader.java:
631)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at com.sun.messaging.jms.ra.DirectObjectPacket
$ObjectInputStreamWithContextLoader.resolveClass(DirectObjectPacket.java:
301)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:
1575)
at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:
1732)
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:
351)
at
com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
155)
... 15 more
DirectConsumer:Caught Exception delivering
messagecom.sun.messaging.jmq.io.Packet cannot be cast to
com.sun.messaging.jms.ra.DirectPacket
MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
object::message=ejb.HockeyEntity
-----------------------
any idea guys???
- 8
- Using Unicode symbolsI'm trying to use some of the "Miscellaneous Symbols" from the Unicode
character set in a program but getting absolutely nowhere. Can someone
please point me in the right direction for starters?
Thanks
Jim
- 8
- FYI: A new open source/free O/R mapping tool and server page frameworkAnnounce:
A new open-source O/R mapping tool has just been released. There
are many such programs out there...but this one is very
special because it's simple (no xml configuration ! yay) and has
been tested extensively with postgres (and a bit with mysql).
This tool has been used in production enviroments so the
generated code has most bugs squeezed out by now.
If you have a minute, you can check it out at:
http://www.mollypages.org/dbo/
There's also a server-side page type thingy (like JSP) but with
much cleaner syntax (and easy typing).
Enjoy !
- 8
- 9
- Bug#438188: RFP: schemaspy -- Graphical Database Schema Metadata BrowserPackage: wnpp
Severity: wishlist
* Package name : schemaspy
Version : 3.1.1
Upstream Author : John Currier <email***@***.com>
* URL : http://schemaspy.sourceforge.net/
* License : LGPL
Programming Lang: Java
Description : Graphical Database Schema Metadata Browser
SchemaSpy is a Java-based tool (requires Java 1.4 or higher) that
analyzes the metadata of a schema in a database and generates a visual
representation of it in a browser-displayable format. It lets you click
through the hierarchy of database tables via child and parent table
relationships. The browsing through relationships can occur though HTML
links and/or though the graphical representation of the relationships.
It's also designed to help resolve the obtuse errors that a database
sometimes gives related to failures due to constraints.
--
To UNSUBSCRIBE, email to email***@***.com
with a subject of "unsubscribe". Trouble? Contact email***@***.com
- 9
- wats the cluefrnds wen we connect with Oracle server from java,we use
getConnection(oracledriver,IPadress of
server,servername,username ,password);
forgive me if they r not in the same order.now my question is wat is
the server name if we use same system for server as well as
client.Ofcourse the IP address is loop back address.
Thanks in Advance.
Srinivas Reddy Thatiparthy.
- 9
- richtext componentIsn't there a richtext component available within java sdk? I know I don't
see any in the pallette, is there a class where i can initiate one? or 3rd
party?
- 10
- How to get the path of remotly run application by knowing the port numberHi,
I am new to this group, and i request you all to help in solving the
issues i have.
Thank you for having this group.
I need to know the path or install directory of an application,
I am able to access the the application by port number.
but i need to wright a java programe thr which i need to get the path
or install directory of the application.
Eg
http://servername:2000/
I request you all to help in the same.
- 12
- Dynamic resizing of JPanelDear experts,
I have the a JDesktopPane and a JPanel added to the CENTER and SOUTH
position of a JFrame respectively.
I would like to dynamically resize the JPanel upon mouseExited like the
Windows TaskBar.
On mouseExited of the JPanel i set the bounds of the JPanel to a new
size. However, the sizes do not reflect visually. I have called
invalidate(), validate(), repaint() and none seems to work.
Other than using JSplitPane to create a resizable JPanel, how can I make
this work?
Others have suggested using LayoutManagers but which one and how?
Thank you in advance.
- 15
- BZip2-Files & JavaOk two things:
I'm trying to get the Apache BZip2 Library to work, but I always get a
NullPointerException. My code looks like this:
[CODE]
void load(String filename) throws FileNotFoundException, IOException {
FileInputStream fis = new FileInputStream(filename);
CBZip2InputStream = new CBZip2InputStream(fis);
}
[/CODE]
As soon as the creation of the CBZip2InputStream is reached, a
NullpointerException is thrown. Why?
Secondly: if the library is corrupted (e.g. doesn't work stable) is
there an alternative to it (Googleing did not help me very much)?
Snyke
- 15
- 15
- Software Development Kit 1.5Im starting with learning Java, and a book i got about it says i need
Software Development Kit 1.4. If i download and install it, i build a
java program and i try running it with command prompt.
But, commandprompt says i need version 1.5... :( Does some1 know where
i can download this or does some1 know another program to build Java
programs with and where can i download it...
- 16
- JCheckBox problem Please helpHi All
My question is how to remove the border from inner rectangle of a
JCheckBox.
A JCheckBox has 2 rectangles,it is possible to remove the boder from the
outside one ,but what about the rectangle where the user clicks.(I am
referring this rectangle as inner rectangle)
Hoping a quick reply
Praveen
--
Message posted via http://www.javakb.com
|
| Author |
Message |
Salvador Huertas
|
 Posted: 2005-3-8 6:42:00 |
Top |
java-programmer, Calling a C routine from .dll
Hi friends,
I would like call a C routine from Java program that is into a .dll
library. I don't know if this is possible and if so, how can I do it.
Thanks in advance!
Salvador Huertas.
|
| |
|
| |
|
Lori M Olson [TeamB]
|
| Posted: 2005-3-8 13:08:00 |
Top |
java-programmer >> Calling a C routine from .dll
Salvador Huertas wrote:
> Hi friends,
> I would like call a C routine from Java program that is into a .dll
> library. I don't know if this is possible and if so, how can I do it.
>
> Thanks in advance!
> Salvador Huertas.
>
>
You need to do some reading on JNI. Really, you should buy a good book
on the subject, but you can start here:
http://java.sun.com/docs/books/jni/
--
Regards,
Lori Olson [TeamB]
------------
Save yourself, and everyone else, some time and search the
newsgroups and the FAQ-O-Matic before posting your next
question.
Google Advanced Newsgroup Search
http://www.google.ca/advanced_group_search
Other Newsgroup Searches:
http://www.borland.com/newsgroups/ngsearch.html
Joi Ellis's FAQ-O-Matic:
http://www.visi.com/~gyles19/fom-serve/cache/1.html
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Index ‹ java-programmer |
- Next
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- TCP protocol in JavaHi all,
I would like to know is it possible to implement a transport
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...
}else{
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}
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I 've been searching through this group for information on CPU and
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Later I found that java management libraries already has it, native
libraries and some jmx classes.
Sharing the code, hope this may help group members in their
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Code:
com.sun.management.OperatingSystemMXBean mxbean =
(com.sun.management.OperatingSystemMXBean)
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System.out.println("Total Physical Memory Size :
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System.out.println("Total Swap Space Size :
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Problem:
getProcessCpuTime() method returns the CPU time used by the process on
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If anyone is having idea about how to obtain '%CPU Usage' of windows
machine using java program, kindly post the message.
Regards,
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I downloaded the sample code in Java tutorial in java.sun.com and
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java.lang.Exception: exited with errorcode 1
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at java.lang.Throwable.<init>(Throwable.java:38)
at java.lang.Exception.<init>(Exception.java:24)
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serving the jar files in question put "text/plain" in the Content-Type
field.)
TIA,
-Irv
- 12
- JSP listing bean propertiesIs it possible to list all Java bean properties with JSP tag?
When some java bean component is chosen than new jsp site must appear with
his properties, events...
- 13
- Offset not calculated properlyI'm trying to move a second window so that it is directly above another,
hugging it closely. I'm using the below code, but for some reason, its not
always consistent.. sometimes my second window falls just below the title
bar, sometimes its pretty far below the title bar.
void resetPositionComboTD()
{
Point loc = this.getLocationOnScreen();
int newY = loc.y - sw.getHeight();
int newX = loc.x;
sw.setLocation(newX, newY);
}
I tried playing with insets, but no matter what I did, it didn't seem to
help much (or at all)
Any help is appreciated, I'm driving my self nuts with this
- Craig
#! rnews 572
Xref: xyzzy rec.autos.makers.mazda.miata:150315
Newsgroups: rec.autos.makers.mazda.miata
Path: xyzzy!nntp
From: "Xavier" <email***@***.com>
Subject: Any Mazda3 owners around here?
X-Nntp-Posting-Host: e165148.nw.nos.boeing.com
Message-ID: <email***@***.com>
X-Mimeole: Produced By Microsoft MimeOLE V6.00.2800.1441
X-Priority: 3
X-Msmail-Priority: Normal
Lines: 3
Sender: email***@***.com (Boeing NNTP News Access)
Organization: The Boeing Company
X-Newsreader: Microsoft Outlook Express 6.00.2800.1437
Date: Fri, 4 Mar 2005 00:15:29 GMT
Great car...
- 14
- byte data typehello,
I am confused with byte data type. I want to know how following code
gives result as -12?
byte b = (byte) 0xf4;
System.out.println("b=" +(byte)b);
regards,
rahul
- 15
- JDBC QuestioComing from the world of VisualBasic, I'm not find Java too hard to catch on
to. After just a couple of weeks of real coding, I'm even cranking out some
code to access a MySQL database. I've got something of a conceptual hill to
jump over, and that's about the Statement class. In VB, I'm used to using
ADO, and just opening a connection and then running queries against it
(either record sets or update-style queries). Is it just the case that any
code I'm translating I just need to insert the lines dealing with the
Statement class, and that's it? What is the purpose of Statement?
--
Aaron Clausen
email***@***.com
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