Performance of retrieve from web-optimization?
Is there a way in the Oracle contain clause of the query to put a hint that will help a larger document (650K-5mb)to come down a little at a time behind the scenes? We are trying to avoid a full document retrieval prior to display. If it makes any diff, our developer is using asp on the web side.
Also is there any good notes or articles on tuning the context type query in 8.1.6 and 8.1.7 on Solaris and NT?
Please read the performance documents: http://technet.oracle.com/products/text/content.html
null
Similar Messages
-
Slow data retrieval from essbase using Planning web
Hi
Well, When we try to access the data form on ultimate parent level, it takes long time to retrieve data from the server. Pls advice
Regards
SNKYou can probably prove that this is the issue by creating a retrieve using the excel addin or smart view to replicate the form and see how long it takes to retrieve.
You will also see in the essbase app logs how long it is taking to perform the retrieve.
Cheers
John
http://john-goodwin.blgspot.com/ -
EVDRE encountered error retrieving the data from web Server
Hi,
I know this is the common/generic error message, following is our scenario:
We installed BPC NW 7.5 on our production box and configured F5 load balancing for two .NET servers.
We are getting the error "EVDRE encountered error retrieving the data from web Server"when we run the report EVDRE on APSHELL (original Appset). This is the fresh installation:
The workaround "Clear Local application information". Even this works only sometimes.
Is there anything else we should have configured on using two .NET servers?
Please suggest.
Thankshi Nagesh sorry for the delayed reply..
We changed some of the parameters at F5 switch like sticky time, timeout..
And the MDXPARSER connection to one of out application server was failling, thats why we did not had this issue consistently.
When ever the request goes to that app server fails. It took a lot effort to notice this since we were assuming the F5 switch was only causing the issue.
Thanks -
How to create a proxy to retrieve the xml file from web services
Hi Every one,
We have a requirment where we receive a xml file from Kenexa, a third party HR tool using a middleware tool. from SAP side We have to create a proxy to retrieve the xml file from web services by initiating call through middleware tool i used earlier.
these are the steps i intend to follow to accomlish the requirement.
1) middleware tool has to initiate the call to kenexa web services to receive the xml file when it is available.
2) On SAP we need to create a ABAP Proxy service provider to middleware where this file can be received.
Can any one guide me how i can create a proxy to retrieve the xml file from web services by initiating call through other middlewre (its not PI).
Any help would be really great, i am not a ABAP developer, so please help me with this. Thanks.Thank for reply.
The computers are in different locations, but yes it's possible, the users in this enviroment are all local administrator of the machines, and we can distribute the script centrally from the DC automatically
Acrobat use Java, right? I'm not so expert in java, but something about it could not be so difficult to manage.
Do you know some place where i can get some info about JS and acrobat? -
Q<RPCC-21> Can you compare a performance of "usual" RPC from EJB and RPC from Web
Services?
A<RPCC-21> There are additional performance overheads for invoking a web service
when compared to straight EJB invocation. However, you should not think of web
services as a way to replace your EJBs instead you should be willing to accept
some performance decline for the massive gains in platform interoperability and
the ability to exposure your services outside of you firewall.
Additionally, performance decreases will be dependent on several factors. The
most significant of which is the XML-Java and Java-XML translation of the SOAP
message. This can be very fast if the XML structure is simple but if you web services
requires a parameter that has a complex XML format you may see a more significant
slow down.
AdamSorry if this sounds like I am new to this but I am.
So, the extended version is the format that would be used if you were not utilizing the files that the wsdl2java function creates?
And this is done to when you want more flexibiility for the user to call your service?
So, you would push to have the stub files used when you want to control how the web service is used?
thanks for the feedback. -
Backup/Recovery from web application
Hello guys,
I am using Oracle 9i as DB and Oracle 9iAS for web application server. I want to provide Backup and Recovery functionality to the user via web. I don't know any thing in this regard.
Is it possible that we can take backup and recovery from web application?
Is there any alternative for this function.
any other comments will be appreciated.
Thank you,
Jawed Nazar AliRead this article in order to get an idea about Java Stored Procedures.
Oracle Developer JAVA STORED PROCEDURES
Simplify with Java Stored Procedures
By Kuassi Mensah
Use Java stored procedures to bridge SQL, XML, Java, and J2EE and Web Services.
Stored procedures allow a clean separation of persistence logic that runs in the database tier from business logic that runs in the middle tier. This separation reduces overall application complexity and increases reuse, security, performance, and scalability.
A major obstacle, however, for widespread adoption of stored procedures is the set of various proprietary, database-dependent implementation languages that different database vendors use. The use of Java-based stored procedures fixes this concern. Oracle has implemented ANSI standards that specify the ability to invoke static Java methods from SQL as procedures or functions. This implementation is called simply "Java stored procedures."
In this article, you will learn how Java stored procedures help simplify and increase the performance of your business logic and extend database functionality. I'll show how Oracle enables the use of Java stored procedures within the database. I'll also look at how Java stored procedures access data, and show how to create a basic Java stored procedure.
PL/SQL or Java
When you think of Oracle stored procedures, you probably think of PL/SQL. Oracle, however, has provided Java support in the database since Oracle8i, to offer an open and portable alternative to PL/SQL for stored procedures. I can hear the $64,000 question: "How do I choose between PL/SQL and Java? Should I forget all the things I've been told about PL/SQL and move on to the greener Java pastures?"
Both languages are suitable for database programming, and each has its strengths and weaknesses. In deciding which language to use, here's a general rule of thumb:
Use PL/SQL for database-centric logic that requires seamless integration with SQL and therefore complete access to database objects, types, and features.
Use Java as an open alternative to PL/SQL for database independence, but also for integrating and bridging the worlds of SQL, XML, J2EE, and Web services.
OracleJVM Lets You Run Java within the Database
Since Oracle8i, Release 1 (Oracle 8.1.5), Oracle has offered a tightly integrated Java virtual machine (JVM) that supports Oracle's database session architecture. Any database session may activate a virtually dedicated JVM during the first Java code invocation; subsequent users then benefit from this already Java-enabled session. In reality, all sessions share the same JVM code and staticsonly private states are kept and garbage collected in an individual session space, to provide Java sessions the same session isolation and data integrity capabilities as SQL operations. There is no need for a separate Java-enabled process for data integrity. This session-based architecture provides a small memory footprint and gives OracleJVM the same linear SMP scalability as the Oracle database.
Creating Java Stored Procedures
There are a few steps involved in turning a Java method into a Java stored procedure. These include loading the Java class into the database using the loadjava utility, and publishing the Java methods using a call specification (Call Spec) to map Java methods, parameter types, and return types to their SQL counterparts. The following section shows how to do this.
I'll use a simple Hello class, with one method, Hello.world(), that returns the string "Hello world":
public class Hello
public static String world ()
return "Hello world";
The Loadjava Utility
Loadjava is a utility for loading Java source files, Java class files, and Java resource files; verifying bytecodes; and deploying Java classes and JAR files into the database. It is invoked either from the command line or through the loadjava() method contained within the DBMS_JAVA class. To load our Hello.class example, type:
loadjava -user scott/tiger Hello.class
As of Oracle9i Release 2, loadjava allows you to automatically publish Java classes as stored procedures by creating the corresponding Call Specs for methods contained in the processed classes. Oracle provides Oracle9i JDeveloper for developing, testing, debugging, and deploying Java stored procedures.
The Resolver Spec
The JDK-based JVM looks for and resolves class references within the directories listed in the CLASSPATH. Because Oracle database classes live in the database schema, the OracleJVM uses a database resolver to look for and resolve class references through the schemas listed in the Resolver Spec. Unlike the CLASSPATH, which applies to all classes, the Resolver Spec is applied on a per-class basis. The default resolver looks for classes first in the schema in which the class is loaded and then for classes with public synonyms.
loadjava -resolve <myclass>
You may need to specify different resolvers, and you can force resolution to occur when you use loadjava, to determine at deployment time any problems that may occur later at runtime.
loadjava -resolve -resolver "((* SCOTT) (foo/bar/* OTHERS)
(* PUBLIC))"
Call Spec and Stored Procedures Invocation
To invoke a Java method from SQL (as well as from PL/SQL and JDBC), you must first publish the public static method through a Call Spec, which defines for SQL the arguments the method takes and the SQL types it returns.
In our example, we'll use SQL*Plus to connect to the database and define a top-level Call Spec for Hello.world():
SQL> connect scott/tiger
SQL> create or replace function helloworld return
VARCHAR2 as language java name 'Hello.world () return
java.lang.String';
Function created.
You can then invoke the Java stored procedure as shown below:
SQL> variable myString varchar2[20];
SQL> call helloworld() into :myString;
Call completed.
SQL> print myString;
MYSTRING
Hello world
Java stored procedures are callable, through their Call Spec, from SQL DML statements (INSERT, UPDATE, DELETE, SELECT, CALL, EXPLAIN PLAN, LOCK TABLE, and MERGE), PL/SQL blocks, subprograms, and packages, as well as database triggers. The beauty of Call Spec is that stored procedure implementations can change over time from PL/SQL to Java or vice versa, transparently to the requesters.
Call Spec abstracts the call interface from the implementation language (PL/SQL or Java) and therefore enables sharing business logic between legacy applications and newer Java/J2EE-based applications. At times, however, when invoking a database-resident Java class from a Java client, you may not want to go through the PL/SQL wrapper. In a future release, Oracle plans to provide a mechanism that will allow developers to bypass the Call Spec.
Advanced Data-Access Control
Java stored procedures can be used to control and restrict access to Oracle data by allowing users to manipulate the data only through stored procedures that execute under their invoker's privileges while denying access to the table itself. For example, you can disable updates during certain hours or give managers the ability to query salary data but not update it, or log all access and notify a security service.
Sharing Data Logic Between Legacy and J2EE Applications
Because legacy applications and J2EE applications both invoke stored procedures through the Call Spec, the same data logic can be shared between J2EE and non-J2EE worlds. Thanks to Call Spec, this data logic can be shared regardless of the implementation language used (whether PL/SQL or Java).
Autogeneration of Primary Keys for BMP Entity Beans
When using BMP for EJB entity beans, a bean instance can be uniquely identified by the auto-generated primary key associated with the newly inserted data as a return value for ejbCreate(). You can retrieve this value within ejbCreate() in one database operation by using a stored procedure that inserts the corresponding data and retrieves or computes the primary key. Alternatively, you could insert the data and retrieve the corresponding key (or ROWID) in one SQL statement, using the RETURN_GENERATED_KEYS feature in JDBC 3.0. However, the stored procedure approach is more portable across JDBC driver versions and databases.
You can implement this pattern with these three steps:
Create the Java stored procedure, defining a public static Java method insertAccount() within a public GenPK class. This method will insert data, compute a unique key (by passing out a sequence number), and return the computed key as primary key.
Define the Call Spec.
CREATE OR REPLACE PROCEDURE insertAccount(owner IN
varchar, bal IN number, newid OUT number)
AS LANGUAGE JAVA NAME 'GenPK.insertAccount(
java.lang.String [])';
Invoke the stored procedure within ejbCreate().
Public AccountPK ejbCreate(String ownerName, int balance) throws CreateException
try {
CallableStatement call = conn.prepareCall{
"{call insertAccount(?, ?, ?)}"};
return new AccountPK(accountID);
Custom Primary Key Finders for CMP Entity Beans
Finder methods are used for retrieving existing EJB entity bean instances. Primary key finders allow you to retrieve a uniquely identified EJB instance. For CMP entity beans, the EJB container automatically generates the primary key finder findByPrimaryKey() method, based on declarative description. In some situations, however, you might need more control; for example, you may need a specialized finder such as findByStoredProcKey(). In these situations, you can use Java stored procedures in conjunction with an object relational framework (such as Oracle9i Application Server [Oracle9iAS] TopLink) to implement a custom primary key finder method. After you define the EJB finder as a REDIRECT or NAMED finder, TopLink will generate the SQL query for retrieving the bean instance.
Data-Driven EJB Invocation
In a data-driven architecture, business logic invocation can be triggered as a result of database operations (such as inserts, updates, or deletes). A Java stored procedure implementing the data logic can be declared as a database trigger to invoke EJBs running in a middle-tier J2EE application server. You can make EJB calls by using either standard remote method invocation (RMI) over Interoperable Inter-ORB Protocol (IIOP), using a J2EE 1.3 compatible server, or RMI over a vendor-specific transport protocol (such as ORMI with Oracle9iAS/OC4J or RMI over T3 with BEA WebLogic). Each application server vendor has its own optimized protocol while providing RMI over IIOP for interoperability. Oracle9iAS supports both RMI calls over IIOP and ORMI protocols.
Data-Driven Messaging
Oracle9i Database embeds Advanced Queuing (AQ), which is an integrated, persistent, reliable, secure, scalable, and transactional message-queuing framework. Oracle exposes AQ features to Java developers through the standard Java Messaging System (JMS) API. Java stored procedures can invoke AQ operations through the JMS interface to allow fast, intra-session, scalable, data-driven messaging.
Java stored procedures can use JMS to invoke AQ operations. You can implement this pattern in four steps:
Create and start the JMS Queue (to do so, embed the following operations within a SQL script):
execute dbms_aqadm.create_queue_table(queue_table =>
'queue1', queue_payload_type =>
'SYS.AQ$_JMS_TEXT_MESSAGE', comment => 'a test queue',
multiple_consumers => false, compatible => '8.1.0');
execute dbms_aqadm.create_queue( queue_name => 'queue1',
queue_table => 'queue1' );
execute dbms_aqadm.start_queue(queue_name => 'queue1');
Create the Java stored procedure (a code snippet is shown):
public static void runTest(String msgBody)
try
// get database connection
ora_drv = new OracleDriver();
db_conn = ora_drv.defaultConnection();
// setup sender (cf online code sample)
// create message
s_msg = s_session.createTextMessage(msgBody);
// send message
sender.send(s_msg);
s_session.commit();
// receive message
r_msg = (TextMessage) receiver.receive();
r_session.commit();
// output message text
String body = r_msg.getText();
System.out.println("message was '"+body+"'");
Create the Call Spec:
create or replace procedure jmsproc (t1 IN VARCHAR)
as language java name 'jmsSample.main (java.lang.String[])';
Invoke the stored procedure:
call jmsproc('hello');
Database-Assisted Web Publishing (Cache Invalidation)
One of the common issues application architects must face is how to cache database information reliably to increase overall system performance. JCACHE is an upcoming standard specification (JSR 107) that addresses this problem. It specifies an approach for temporary, in-memory caching of Java objects, including object creation, shared access, spooling, invalidation, and consistency across JVMs. It can be used to cache read-mostly data such as product catalogs and price lists within JSP. Using JCACHE, most queries will have response times an order of magnitude faster because of cached data (in-house testing showed response times about 15 times faster).
In order to track all the changes to the origin data and refresh the cached data, a Java stored procedure is attached to a table as a trigger. Any change to this table will result in the automatic invocation of this stored procedure, which in turn will call out a defined JSP to invalidate the JCACHE object that maps its state to the database table. Upon invalidation, the very next query will force the cache to be refreshed from the database. Next Steps
READ MORE about Java Stored Procedures
This article is adapted from the white paper "Unleash the Power of Java Stored Procedures." You can find the white paper at:
/tech/java/java_db/pdf/
OW_30820_JAVA_STORED_PROC_paper.PDF
New PL/SQL features in Oracle9i Database, Release 2
/tech/pl_sql/pdf/
Paper_30720_Doc.pdf
Resolver Spec
/docs/products/oracle9i/
doc_library/release2/java.920/a96659.pdf
OracleJVM and Java 2 Security
/docs/products/oracle9i/
doc_library/release2/java.920/a96656.pdf
DOWNLOAD Code
Exercise code examples from this article:
/sample_code/tech/
java/jsp/Oracle9iJSPSamples.html
LEARN about stored procedures as Web services
/tech/webservices
Extending Database Functionality
One of the great things about running Java code directly in the database is the ability to implement new functionality by simply loading the code or library and using the Call Spec to make the entry points (public static methods) available to SQL, PL/SQL, Java, J2EE, and non-Java APIs. Oracle9i Database customers can easily extend database functionality. Oracle itself leverages this capability for new utilities and packages such as the XML Developer Kits (XDKs).
Bridging SQL, PL/SQL, Java, J2EE, .NET, and XML
The Oracle XDK is written in Java and exposes its public methods as Java stored procedures, extending the database's XML programmability. SQL, PL/SQL, Java, J2EE, and non-Java (.NET) business logic all have access to the XML parser, the XSLT processor, the XPath engine, and XML SQL Utility (XSU).
The XML parser is accessible through the xmlparser and xmldom packages. XSU is a Java utility that generates an XML document from SQL queries or a JDBC ResultSet, and writes data from an XML document into a database table or view. Using XSU, XML output can be produced as Text, DOM trees, or DTDs. XSU is exposed to PL/SQL through the dbms_xmlquery and dbms_xmlsave packages.
Conclusion
The integration of the Oracle database with a Java VM enables the creation of portable, powerful, database-independent data logic and persistence logic. The loose coupling of business logic that runs in the middle tier with data logic that runs in the database tier improves application scalability, performance, flexibility, and maintenance.
Kuassi Mensah ([email protected]) is a product manager in the Server Technologies division at Oracle.
http://otn.oracle.com/oramag/oracle/03-jan/o13java.html
Joel Pérez -
Refresh of Data in Xcelsius from Web Intelligence Results
Hello,
I am new to the forum but not to Business Objects/Xcelsius. I attended the SAP Sapphire Event last May and spent time in the Business Objects lab. Two Product Managers demonstrated how I would be able to refresh the data in an Xcelsius dashboard using Live Office by retreiving results from a Webi document without refreshing the Webi query.
For example, my Webi document contains 100,000 result rows. I want to be able to select a dropdown in my dashboard and have Live Office retreive only a subset of the 100,000 rows. This being done without having the Webi query being refreshed from the database. The Webi query would be refreshed nightly.
The Product Managers advised that this functionality would be available in Service Pack 3 or before. As of now I cannot find out how to make this work. Any help or information would be appreciated. Thanks.Hello Charles,
WebIntelligence Input Controls are a way to enhance and customize user experience with report filters, they are therefore based on report filters and the feature is more focused on user interface & experience rather than exposition outside web intelligence.
Anyway, AFAIK, report filters are not available from Live Office report parts, you can only filter content with prompts, which requires the document to be refresh from the database, which has a direct impact on performance and scalability for consumers.
However, if you are with WebIntelligence XI 3.1 SP2 you have the alternative to publish from WebI Rich Client, report elements (any table or chart) as web services (called BI Services).
This tool is based on Qaaws technology, and share some of its features (main being that is uses the same Xcelsius Data Manager connection), it exposes a large part of WebI interactions to external consumers (esp. Xcelsius) : report filters, drill, prompts.
Besides this tool provides a set of call input parameters to tune web service consumption for best performance and scalability, enabling to leverage WebI document management features like scehduling, publishing and refresh, so consumers can balance performance with real-time data.
More information is available from WebIntelligence Rich Client user documentation from section sharing webi content with other web applications.
I recommend you install the latest fix pack (SP2.5 and above), as some initial fixes were required to ensure full compatibility with Xcelsius.
Hope that helps,
David. -
Hi,
I'm currently trying to consume in VC a CAF Application Service exposed as a Web Service. I'm able to retrieve what I want but I have a problem with dates format.
The web service returns dates in the following format: YYYY-MM-DDTHH:NN:SS
When I test my data service in VC it works fine. When I run my iview, VC swap the month and the day and compute the new date...
It's not just a problem of formatting with DVAL and DSTR because the date is already computed.
Example:
Date returned from web service: 2007-09-21T00:00:01
Date returned from test data service in VC: 21.09.2007
Date returned at runtime: 09.09.2008
VC understand 21.09.2007 not like DD.MM.YYYY but like MM.DD.YYYY so 21.09.2007 becomes 09.09.2008
I also tried to check on the server Regional and Language option but it doesn't come from there.
Have you ever faced this problem?
ThxHi,
It is a Web Service generated by NWDS (to expose my CAF Application Service)and deployed on the server.
The url si like http://<hostname>:<port>/mywebservice/Config1?wsdl
The Web Service runs correctly.
When I call a method of my web service to retrieve a list of objects (CAF Entity Services) and their attributes, it returns attributes of type String and Dates of type 'java.util.GregorianCalendar'.
It seems that VC doesn't correctly understand this type of Date at runtime
Regards,
Thomas -
Error: The report source could not be retrieved from the state object.
I have been trying to create a report in a JSF page. The relevant parts are below:
Inside the JSP page, this is the code:
<jsp:useBean id="MyBean" class="com.nm.facade.rto.POJOViewerBean" scope="session" />
<jsp:setProperty name="MyBean" property="reportLocation" value="Report1.rpt" />
<v:reportPageViewer reportSource="#{MyBean.reportSource}"
displayToolbarPrintButton="true"
printMode="ActiveX"
zoomPercentage="100"
displayToolbarExportButton="true"
displayToolbarRefreshButton="true"
viewerName="My Viewer"
></v:reportPageViewer>
In the backing bean, this is the relevant code:
public Object getReportSource() throws ReportSDKException
if (propertiesChanged || reportSource == null)
propertiesChanged = false;
if (reportLocation == null)
throw new RuntimeException("The reportLocation property must be set before a report source is retrieved");
ReportClientDocument rcd = new ReportClientDocument();
rcd.setReportAppServer(ReportClientDocument.inprocConnectionString);
rcd.open(reportLocation, 0);
DatabaseController dbc = rcd.getDatabaseController();
//Create the POJO collection and populate it with data
ReportData[] data =
new ReportData("B.B.", "King", 6, new Date(25, 9, 16)),
new ReportData("Muddy", "Waters", 7, new Date(15, 4, 4)),
new ReportData("John Lee", "Hooker", 8, new Date(16, 8, 16)),
new ReportData("Otis", "Rush", 9, new Date(34, 4, 29)),
new ReportData("Buddy", "Guy", 10, new Date(36, 7, 30))
//Create the result set from the collection of POJOs
POJOResultSetFactory factory = new POJOResultSetFactory(ReportData.class);
factory.setVerbose(true);
POJOResultSet results = factory.createResultSet(data);
ResultSetMetaData metaData = results.getMetaData();
//Set the resultset as the report datasource
//Get the table name from the 'Set Datasource Location' dialog in the Crystal Reports designer
String reportTable = "getReportDataDataSource";
dbc.setDataSource(results, reportTable, reportTable);
IReportSource reportSource = rcd.getReportSource();
if (reportSource == null)
throw new RuntimeException("Unable to get a report source.");
return reportSource;
In the CRConfig.xml, this is what is there:
<?xml version="1.0" encoding="utf-8"?>
<CrystalReportEngine-configuration>
<reportlocation>../reports</reportlocation>
<timeout>0</timeout>
<ExternalFunctionLibraryClassNames>
<classname></classname>
</ExternalFunctionLibraryClassNames>
</CrystalReportEngine-configuration>
The report template 'Report1.rpt' is packaged under WEB-INF/reports in the war file.
When I try to generate the report by accessing the JSF page, I am getting an error: "The report source could not be retrieved from the state object. "
I am not sure what is wrong. Can someone help me in resolving this issue?
Edited by: renshai on Jul 9, 2009 3:21 AMMy formatting gets lost and the message looks unintelligible. After some experimentation, I found that if the message exceeds some length, the formatting is removed. Since I couldn't find any way to delete this post, I made another post with the same subject. Please ignore this post and help me to find a solution for the problem posted in the other thread with the same subject. Thanks in advance.
-
Playing a video file retrieved from database using JMF
Hello!
I am developing a multimedia application that has to store videos, music, pictures in a database. I did a little searching and found that JMF is a very good solution in playing video/music using Java. I found some examples to play the video/music stored on the hard drive (as separate files), but i have to be able to take the video/music from the database, and feed it to the JMF player. Has anyone some suggestions about how this could be done?
Thanks in advance!
Edited by: radu.miron on May 8, 2008 9:03 AMWell, i think i didn't make myself clear enough :). i know how to retreive the data from the database. The thing is this: let's suppose i have a 700 MB movie stored in the database. One option to play that movie would be to retrieve it from the DB, create a file somewhere on the disk, and put the data retrieved from the database in that file. But this involves that the disk will be overflooded when let's say 100 people watch 100 different movies. Another option (as i see it) would be to gradually take parts of the movie from the database (first 50 MB, then another 50 MB, then another and so on), and feed it to the JMF player. The user will watch the movie, but will not have the whole movie available, just a part of it. As he watches it, the application takes the next chunck of movie data and feeds it to the JMF player. That was the question i intended to ask, if anyone has any idea regarding the second option, and not the part with retrieving from the database, but the part with giving the JMF player video data to play.
The example i found on the web with JMF player is the following:
import javax.swing.*;*
*import javax.media.*;
import java.awt.*;*
*import java.awt.event.*;
import java.net.*;*
*import java.io.*;
public class PlayVideo extends JFrame {
Player player;
Component center;
Component south;
public PlayVideo() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
JButton button = new JButton("Select File");
ActionListener listener =
new ActionListener() {
public void actionPerformed(
ActionEvent event) {
JFileChooser chooser =
new JFileChooser(".");
int status =
chooser.showOpenDialog(PlayVideo.this);
if (status ==
JFileChooser.APPROVE_OPTION) {
File file = chooser.getSelectedFile();
try {
load(file);
} catch (Exception e) {
System.err.println("Try again: " + e);
button.addActionListener(listener);
getContentPane().add(button,
BorderLayout.NORTH);
pack();
show();
public void load(final File file)
throws Exception {
URL url = file.toURL();
final Container contentPane =
getContentPane();
if (player != null) {
player.stop();
player = Manager.createPlayer(url);
ControllerListener listener =
new ControllerAdapter() {
public void realizeComplete(
RealizeCompleteEvent event) {
Component vc =
player.getVisualComponent();
if (vc != null) {
contentPane.add(vc,
BorderLayout.CENTER);
center = vc;
} else {
if (center != null) {
contentPane.remove(center);
contentPane.validate();
Component cpc =
player.getControlPanelComponent();
if (cpc != null) {
contentPane.add(cpc,
BorderLayout.SOUTH);
south = cpc;
} else {
if (south != null) {
contentPane.remove(south);
contentPane.validate();
pack();
setTitle(file.getName());
player.addControllerListener(listener);
player.start();
public static void main(String args[]) {
PlayVideo pv = new PlayVideo();
}but this example plays a video stored on the disk ( player = Manager.createPlayer(url); ), rather than a chunck of data (the whole movie or parts of it) retrieved from the database.
Sorry for the misunderstanding!
Cheers! -
Tricky - PDF file not Opening from Web Browser based application
Hi Guys,
Just a brief history about the issue:
At my client site everything was fine when IE7 was there and everybody were able to open PDF files from web applications in browsers. But after a IE8 upgrade, things changed and customers are facing problems. All are Windows XP SP3 machines
Issue: If they try to open a pdf file from the browser it just stucks at 0% and hangs with "Cancel" button. Even if they try to save that file it tell downloading and hangs again in the screen without downloading the file.
Initial fix:
Open Adobe Reader
-> select the menu "Edit"
-> select "Preferences"
-> select the Category "Internet"
-> set the indicator "Display PDF in browser"
-> Reboot the machine
This fix worrked for some people but many user are still experiencing the same thing even after changing the setting many times.
Friends, Is there anything else might be creating the trouble here. Please let me know, and why it is that for some systems it is working and for it is not ?
Thanks,There was a browser bug with IE in the past that seemed to span several browser versions. It had to do with the interaction of the browser and the webserver. The short version is that I had to toggle the caching option on the folder.
Here's what I ended up doing for my client:
Move their PDF documents into a subfolder called forms and all Flash animations into a subfolder called flash
Marked all folders in the site to "Expire Immediately" (IIS -> highlight root folder -> Properties)
Individually marked the "/forms" and "/flash" folders to toggle this caching option
In this way, it allowed dynamic pages to deliver non-cached content (from the server's perspective) and it allowed binary downloads like Flash animations and PDF files to work as expected without errors. The bug has to do with the cache-negotiation handshaking that goes on between the browser and server.
This may not be what you're seeing but it's good to remember because I've seen it often: the settings that you'd use to optimize a web applications don't seem to work for binary downloads like a PDF document. -
Retrieving the Web Browser keystore
Hello everyone,
My question is in the subject : How can I retrieve the Web Browser (IE for example) keystore from my signed Applet ?
Is it possible at least ?
Thanks for your wisdom.
S�bastienFor more information, about the mobile-Forum is like this
-
Need Help Streaming Video From Web Server Built Into Application - Linksys WRT54g Router
Very much appreciate any help getting streaming video feed from web server built into video application to work properly using port forwarding on my Linksys WRT54g wireless router.
Here is the situation:
My PC is connected to the internet via a Linksys WRT54g wireless router.
The Windows XP Pro SP2 firewall is enabled, with a firewall exception established for the video camera application.
On the router, forwarding of port 80 is enabled for the LAN IP address of the PC running the video application with an embedded web server, and the web server in the video camera application is also set to use port 80.
I have a free DYNDNS account and also run the DYNDNS updater program on the PC running the video application with embedded web server. According to the DYNDNS web site and the DYNDNS updater program, the IP address assigned to the machine running the video application with embedded web server is set correctly in my dyndns account.
When I open a browser (Explorer or Firefox) on the PC running the video camera application with embedded web server, I am able to connect to the video application's web server by going to the dyndns address linked to the machine running the video application. The video application's web server is set to use the dyndns address. That's the good news. The bad news is that I can't connect to the video application's web server from any machine that connects to the internet that uses a router other than the router used by the PC running the video application. I am only able to connect to the streaming video from the application's web server only on machines that connect to the internet using the same (home) router used by the PC that is running the video application.
Since I am able to connect to the video app's embedded web server successfully on the machine running the video application, it seems that at least something about the current port forwarding settings is correct. For example, if I uncheck 'enable' for forwarding of port 80 on the router settings page, I am no longer able to connect to the video app's web server when I try to do so in a browser running on the machine running the video app. When I re-enable port 80 forwarding on the router, I am again able to connect to the web server of the video application on the machine running the video app. I thought that by enabling forwarding of port 80 on the router and associating that port with the LAN IP of the machine running the video application, it would be possible to connect to the streaming video of the video app's embedded web server from ANY machine connected to the internet, but that is not the case. There must be some other router settings to update/change in order to get the port forwarding working to enable a successful connection to the video web server, but I am stumped. Very grateful for any suggestions as to how to get this working properly.
Thanks in advance...The firewall log can be configured on the third tab in the window for the firewall settings, where you can turn the firewall on and off completely.
From your tests, though, it does not seem to be the firewall. However, to be sure, it would be good to check the log. It will help to eliminate the firewall as the culprit and you may find it handy in the future, too. ;-) Just don't forget to turn the log off again after you are done because it may cause some performance penalty on your system while on.
From what you write, it seems as if I should give a little networking background on the ip addresses you'll see. Your setup is (or should be) a modem connected to the WAN/Internet port of the WRT. The computer is connected into a LAN port of the WRT.
Your router has two IP addresses (that's what makes it a router): a WAN address and a LAN address. The WAN address is the address assigned by the ISP. It is a normal internet IP address. Everyone is able to send packets to this IP address. The WAN address is the one reported by whatismyipaddress.com, it should be listed in the dyndns record and it is the address that your router shows on the Status page. It's the public IP address of your router. Dyndns maps your dyndns.org name to that IP address.
Your router also has an IP address on the LAN side. You can configure it to be whatever you want. The default is 192.168.1.1 with netmask 255.255.255.0 and it is better to leave it like that or at least inside the network 192.168.*.*. 192.168 is a special, reserved IP address range for private networks. Basically, routers in the internet are not supposed to forward addresses in this range. That makes them suitable for private LANs as the packets never can get anywhere. Most people using Linksys routers have there LAN in 192.168.1.*.
The router acts as gateway, which means it forwards packets from PCs in the LAN to the internet and back. As all your PCs in your LAN share a single WAN IP address, the gateway does address translation (NAT). This works only in one direction: from the inside to the outside. The router remembers when a PC in your LAN sends something out and accepts the responses in and sending them back to the PC. If something comes in from the internet which cannot be associated with a ongoing communication the packet is dropped unless you use port forwarding.
All computers in your LAN either have a static IP address assigned or use DHCP to get it automatically. The router has a DHCP server as well which gives out IP address from 192.168.1.100-149 if not changed. With a router with default settings static IP addresses can be in the range of 192.168.1.2-99 and 150-254.
ipconfig /all reports your IP address in your LAN, i.e. an address 192.168.1.*. The gateway in this output should be 192.168.1.1 which is your router. And packet no in the LAN address range 192.168.1.* is send to the router which forwards the packets into the internet.
An address 192.168.1.* should not appear as internet address in the Status page of the router nor should it appear at dyndns.
Port forwarding is used to operate a server in the LAN. By default, a server in the LAN cannot be reached from the internet. You have to configure port forwarding for this. You configure that traffic bound for a specific port (e.g. TCP port 80 for http) on your WAN IP address is forwarded to the same port on a specific LAN IP address. If your server runs on 192.168.1.50 than traffic to your WAN IP address port 80 is forwarded to 192.168.1.50 port 80. That way your HTTP server can be reached from the internet. As you can only configure a fixed IP address in port forwarding it is recommended that the server uses a static IP address and not DHCP as in the latter case the IP address may change over time...
O.K. so much for networking. I hope that makes things a little clearer and you can verify that your setup is how it is intended to be.
I suggest the following: on the router's security page there is an option to block WAN requests. Remove the check if it is set (meaning: do not block). After you did that change you should be able to ping your WAN address (e.g. ping xxxx.dyndns.org) from the internet. That way we know that it is on the correct address.
Also on the Administration page make sure that remote management is disabled (should be like that per default) or that the management port is NOT 80 but for example 8080. What is your your UPnP settings on the same page?
O.K. that should be enough for the moment... -
Pass parameter to ssrs report in performance point webpart from textbox text
How to pass parameter to ssrs report in performance point webpart from textbox text
Please help me to solve this ...
Bikky KumarEdit your SharePoint page and add new text filter web part.
Then pass the text filter value to your performance point report using connections. Your report should include at least one parameter to get the value. More over you can set default value in text filter. -
ACE 4710 Web Optimization Licnesing
I currently have a 4710 running the 1Gbps package. We are utilizing Application Acceleration and are comg very close to hitting our 10,000 Web Optimization connection limit. I am trying to find out how to upgrade that.
I see in our license usage an option of ACE-AP-OPT-UP1-K9 but can find no information on this part number. Does anyone know if this is even available and what it brings you connection limit to?
ACE01/Admin# show license usage
License Ins Lic Status Expiry Date Comments
Count
ACE-AP-C-UP1 No - Unused -
ACE-AP-C-UP2 No - Unused -
ACE-AP-C-UP3 No - Unused -
ACE-AP-01-LIC No - Unused -
ACE-AP-01-UP1 No - Unused -
ACE-AP-02-LIC No - Unused -
ACE-AP-02-UP1 No - Unused -
ACE-AP-04-LIC No - Unused -
ACE-AP-04-UP1 No - Unused -
ACE-AP-04-UP2 No - Unused -
ACE-AP-VIRT-5 No - Unused -
ACE-AP-500M-LIC No - Unused -
ACE-AP-VIRT-020 No - Unused -
ACE-AP-C-100-LIC No - Unused -
ACE-AP-C-500-LIC Yes 1 In use never -
ACE-AP-C-500-UP1 No - Unused -
ACE-AP-OPT-50-K9 No - Unused -
ACE-AP-C-1000-LIC No - Unused -
ACE-AP-C-2000-LIC No - Unused -
ACE-AP-OPT-LIC-K9 Yes 1 In use never -
ACE-AP-OPT-UP1-K9 No - Unused -
ACE-AP-SSL-05K-K9 Yes 1 In use never -
ACE-AP-SSL-07K-K9 No - Unused -
ACE-AP-SSL-100-K9 No - Unused -
ACE-AP-SSL-UP1-K9 No - Unused -
ACE-AP-SSLUP-5K-K9 No - Unused -
ACE-AP-VIRT-020-UP No - Unused -Unfortunately, ACE-AP-OPT-LIC-K9 is not available on ACE4710 and
ACE 4710 cannot handle more than 10,000 concurrent connections..
When you use the ACE to perform a specific set of application
acceleration and optimization functions, and the ACE reaches the
maximum of 10,000 concurrent connections, the appliance stops
accepting any additional concurrent connections until the count
drops below 10,000.
http://www.cisco.com/en/US/partner/docs/app_ntwk_services/data_center_app_services/ace_appliances/vA3_x/command/reference/optimize.html#wp1048813
Regards,
Yuji
Maybe you are looking for
-
New development maintenance workflow message
Dear All, I am new to SAP Plant Maintenance and one of my client has a requirement that "As soon as the Maintenance Order is confirmed with T-Code IW41 an email has to be triggered to the Plant Section which is reflected in the Maintenance Order Loca
-
BAPI Write-up of an Asset (ABZU)
In asset write-ups Tcode ABZU. i want to change ordinary depreciation for area 50. Is there any BAPI available for my thing.
-
Ordering Photos in iPhoto09 Slideshow
I have iPhoto 09. Thank you to anyone replying and helping. I guess there is no way to order photos the way I want them once a slideshow is made. For example - if I choose the sliding panel theme - iPhoto automatically puts the photos where it wants
-
Starting http server ...........timeout
Hi, We have JES6 installed running for more than year now. Now we get following error, when starting cal server. Starting http server ............................................................... timeout debug log is as follows, [06/Jul/2008:12:33:
-
I'm a beginner going though a tutorial on joins using the HR schema: an example of a self join was given as: SELECT e.last_name AS Employee, m.last_name AS Manager FROM employees e INNER JOIN employees m ON (e.manager_id = m.employee_id); this execut