Difference between .war file and .ear file

Hi,
what is the difference between .war file and .ear file ?
Please let me know with appropriate explanation.

War file means web application archive. It is archived file having a collection of JSP, servlets and static pages that together costitute a web application. It contains one WEB-INF directory which will have a file named web.xml which defines the structure of the web application.
On the other side EAR file is Enterprise application archive. It is file having packaged content of one or more modules into a single archive so that the deployment of all the modules can be done simultaneously on the application server. It also contains XML files called deployment descriptors which gives the details of the deployment method. This deployment descriptor will be present in the folder META-INF folder.
So the main difference betwwen the two is that Ear file is having collection of various modules to be deployed on the application server while the WAR file is used to deploy the web applications.

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Behaviour differences between war file and exploded directory

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I'm baffled by differences in how my web app behaves when deploy in a war file and when deployed in exploded directory.
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With respect to JSP precompile, you just say "they do not precompile", so I can't tell anything about that.
When you read files from an exploded WAR, you can reference them in two ways: as a resource, or as an absolute file path. When you read files from a WAR file, you can only read files as a resource, and not as an absolute file path. You're not giving any information about how you're reading the file, so I can't tell about that either.
You'd have to provide more detail to get better answers.

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What is the difference between Topic Keywords and Index File Keywords? Any advantages to using one over the other? Do they appear differently in the generated index?
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Hi,
what's the difference between nio-file-manager and nio-memory-manager? The documentation doesn't really discuss the differences as far as I know. They both use nio to store memory-mapped files don't they? What are the advantages/disadvantages of both?
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What is the difference between undo tablespace and online redo log files.

what is the difference between undo tablespace and online redo log files. I am confused
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when a transaction fails the SMON performs the rollback of the data.
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is my understanding till here correct?
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can redo-log files not store this information?
in fact, is it that when undo tablespaces exist in a database, the undo data/before image is stored in both the undo tablespace and also the redo log files?
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thank you.

This question has been asked many times before. The answer is always the same.
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What is difference between a package and jar?
Is a jar a package? or is package jar?
If I say
package pink;
does it mean pink is folder or jar?
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What is the difference between httpd.pid and httpd.lock files?

Hi;
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LockFile
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To quote from the following link:
"When you add something to the library, essentially you are taking existing audio or movie files and adding an entry for each to your iTunes Library index. iTunes adds entries in your iTunes library for the selected files, and copies the files to your iTunes Music folder (if you have that option selected in the Advanced pane of iTunes preferences)."
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Difference between db file sequential read and scattered read

Hi,
Oracle Version : 10.2.0.1
Operating system: Linux
Can any one please help me what is the difference between db file sequential read and scattered read or please give any best related links .
Thanks & Regards,
Poorna Prasad.

>
A sequential read is a single-block read. Single block I/Os are usually the result of using indexes.
A db file scattered read issues a scattered read to read the data into multiple discontinuous memory locations. A scattered read is usually a multiblock read. It can occur for a fast full scan (of an index) in addition to a full table scan.
>
See Performance Tuning Guide:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14211/instance_tune.htm#i20526
http://download.oracle.com/docs/cd/B19306_01/server.102/b14211/instance_tune.htm#i15958
Edited by: P. Forstmann on 20 oct. 2009 09:11

Difference between MDM adaptor and File adaptor?

Hello All,
Could any one light on the difference between PI Adaptor and File adaptor?
Thanks
Rajeev

Hi,
>>>Could any one light on the difference between PI Adaptor and File adaptor?
for MDM <= 5.5
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it changed with the latest version as Shabz mentioned
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Difference between page file and swap space

Hello friends
What is difference between swap space and page file???
I set the page file to 0 MB(No page file) but when I use Everest Software it show 1023 MB swap Space.Is there difference between them?

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from system memory into the swapfile. Where as paging transfers the pages to page file when the memory is almost full.
Regarding Everest, I think you should check with the supplier.
Arnav Sharma | Facebook |
Twitter Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members
reading the thread.

Differences between .profile,oraenv and dbhome files

can anyone tell me the differences between .profile,oraenv and dbhome.
database version is 10.2.0 and OS is solaris 10.
I have set up the environment variables using .profile
is the functionality of oraenva and dbhome same like .profile?

Hello,
oraenv and oracle home_
The oraenv and coraenv utilities both aid in setting the Oracle environment on UNIX systems (other utilities exist on Windows platform that enable the Oracle Home to be set.) The coraenv utility is appropriate for the UNIX C Shell; oraenv should be used with either the Bourne or Korn shells.
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The oraenv command will prompt for the SID of the database that you wish $ORACLE_HOME to access.
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ORACLE_SID = [] ? ASG920
The dbhome utility can now be used to verify that $ORACLE_HOME is correct.
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/usr/oracle/9.2.0
The “dot space” part of the command is required to make the environment change with the parent shell, as opposed to entering a command without it which would only affect the subshell running that process.
These commands can be used to avoid specifying the network service name when issuing commands. For instance, without using oraenv, a sqlplus command would look like:
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The profile:_*
The Profile file in your home directory is a collection of Korn shell commands that are executed whenever you login. Commonly, the Profile file is used to set environment variables and shell options. You can also put command aliases in your Profile file, but it's better to put them in a separate file -- commonly called .env (which is pronounced: dot-e-n-v)-- that you define and execute in your Profile (which is pronounced: dot-profile).
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PRINTER uprint
setenv PRINTER

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Hi, I need to find difference between two files.
This is an example:
oldfile.txt:
This is the old file.
I need some help with
this task!.
newfile.txt:
This is the new file.
I need help with this task please!.
Differences:
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* need -> need
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* please was added
Notice that I don't care spaces, new lines or tabs.
The code should looks like:
enum DifferenceType { Added, Deleted, Replaced };
class DiffText {
public String Text;
public DifferenceType Type;
public String ReplacedText;
Diff d = new Diff("oldfile.txt","newfile.txt");
while(!d.end()) {
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   String s = "";
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      case Deleted:    System.out.println(s.Text + " ~ deleted");
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}Thanks for your help in advance.

Suppose you have two arrays filled with integers.
What you want to do is map the integers from one
array to the other.
In your example, your arrays would look like:
this is the old file i need some help with this task
[0 1 2 3 4 5 6 7 8 9 0 10]
this is the new file i need help with this task please
[0 1 2 11 4 5 6 8 9 0 10 12]
Here, I've assumed you've removed all punctuation and
new line characters, and changed to lowercase.
The easiest way is to walk through the arrays greedily.
However, you may be able to research algorithms that
do a better job of matching.

What is the difference between data file & control file

what is the difference between data file & control file

Dear Deba s
Control file
Every Oracle Database has a control file, which is a small binary file that records the physical structure of the database. The control file includes:
The database name
Names and locations of associated datafiles and redo log files
The timestamp of the database creation
The current log sequence number
Checkpoint information
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[Control File Basic|http://download-east.oracle.com/docs/cd/B19306_01/server.102/b14231/control.htm#i1006143]
Data File
You manage Data File in your Oracle database as part of Space Management. You can extend, create, drop, and alter tablespaces.
You especially need to avoid tablespace overflow, which is when a tablespace runs out of freespace in the allocated file or files. This happens when an object requires a new extent but there is either no freespace or insufficient freespace in the tablespace
For more info look into these links
[Data files |http://help.sap.com/saphelp_nw04/helpdata/en/98/5dd5890f32274aa884e45e736752a2/frameset.htm]
http://help.sap.com/saphelp_nw04/helpdata/en/98/5dd5890f32274aa884e45e736752a2/frameset.htm
Hope it helps you,Revert me back if you have any queries
Assign points if helpful
Regards
Bala

Difference between .war file and .ear file

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