Polling in DB Adapter - BPEL
HI All ,
Can anyone help me on this
I have a requirement to poll the database and fetch the records and have to update the sequencing file , i tried it but didn't worked .
Can anyone help me out in providing me doc's on this .
Regards,
Karthik
Hi Karan ,
Actually it is a view from where we have to fetch the data . please find the structure of the view
Name Null Type
DUMMY_KEY VARCHAR2(150)
ACTION CHAR(6)
TCC_ORG_SHORT_NAME VARCHAR2(30)
ORG_INSTANCE_ID NUMBER
LICENSE_TYPE VARCHAR2(40)
DEVICE_TYPE VARCHAR2(40)
DEVICE_SERIAL_NUMBER VARCHAR2(30)
DIVISION CHAR(2)
CONTRACT_HDR_ID NUMBER
CONTRACT_NUMBER VARCHAR2(120)
SERVICE_ITEM_ID NUMBER
QUANTITY NUMBER
PLATFORM CHAR(3)
ACCOUNT_NUMBER VARCHAR2(30)
Similar Messages
-
Reg: How to Stop Polling of JDBC Adapter without Scheduling the adapter
Dear Gurus,
Here I am having one requirement. My clients wants to send data from JDBC adapter (ORcale System table) to R3 system via RFC.
His Requirement::
1. He is not telling the time of data flow from Oracle server so that based on that we can schedule the adapter in the Communication Channel monitoring (Availablitiy Time Planning) or Else we can Schedule by deciding the setting of the polling interval time.
2. He is telling that When ever he waants to send the data he will place one dummy file in the File Adapter FTP location so that it will became an Indication for u to poll the jdbc adapter and to transfer the data to R3.
3. Untill he keeps the file or gives indication he doesn;t want to communicate with Oracle server due to some security and it s a most important data base he doesn't want to disturb that Oracle Server as so many business are running on that.....
We Proposed::
1. Atleast you need to tell the scheduling time or poll interval time so that we can schedule our adapter.
but he s not accepting for this
2. Atleast U need to give access for Data base to enter one more extra field like STATUS CODE so that we will add one number and we keep on Update in the Update table and based on that Update table statement it will poll.
but he s not even accepting for this
3. Finally we prposed that to create another table in the Oracle SYstem as Dulplicate Table which is similar to Standard Orginal table when ever he wants to pick the data please keep that data in this Duplicate TABle so that JDBC adapter will pick the data from thsi TABLE instead of picking the data from that standard table so that it will not effect any standard table data in the table.
but he s not even accepting for this
We have done some R & D:::
1. WE approached even through BPM and via switch conditions is one scenario
FILE RECEIVE >SWITCH CONDITION> RECEIVE AND SEND or else EXIT
2. Using correlation in anotehr scenario means correlating File adapter and JDBC and based on one dynamica value it will goes to SEND STEP ( RECE IVE --> RECEIVE --> SEND STEPS )
Even though we know this...concept that...we jsut tried::
In BPM we can control the flow in XI 3.0 but we cannot Stop the Polling of JDBC adapter at backend because one the data comes from FILE adapter it will keep on HOLD untill it receives the JDBC from Oracle then based on the condition or Correlation it will goes futher SEND step means after that file adapter is picking file or not ...what ever it may be JDBC will polls at backend and brings that data to BPM"
Hence sugest me How to Stop Polling of JDBC Adapter without Scheduling the adapter or else using STATUS CODE Update statements in JDBC Tables
Regards:
Amar Srinivas EliHi! All,
Finally I decided to do the scenario in two steps:
1: FILE REQ --> JDBC REQ -->JDBC RES --> FILE RECV
2: FILE RECV --> RFC
But I am getting issue while doing first scenario
Desgn :
I have created 2 Synchronous interfaces :
1) FILE 2 JDBC REQ
In this a) out put message is FILE Req
b) Input msage:; FILE RES
2} JDBC2FILE RECV
a) Output mesage;; JDBC REQ
b) Input Msge :: JDBC Response
Mappings:
1) File REQ-->JDBC REQ
2) JDBC RES-->FILE RES
Interface mappings:
1: FILE 2 JDBC REQ--> JDBC 2 FLE RECV
CONFIGURATION ::
1: One Seder File CC
2: Two reciever CC's one is for JDBC RECEIVER and other s FILE RECEIVER
3; One Sender Agreement
4: 2 Recver agreements
5: One Interface Determination and
6: One RECCV Determination
My Question;;
1. First let confirm whether my development steps are right or not ?
2: Another thing s I am not sure reg Configuration Steps means
whetehr one interface determination and one Receiver Determinations are required or not as these are synchronous Interfaces
3: main Issue is::::
If my scenario s FILE2RFC2FILE then I will get RFC response automatically but here issue is this is JDBC
My reqquirement is By sending one Field from fILE to JDBC REQ it needs to send entire TAbLE records as a Response to file as XML
without having Sender JDBC how can I send the JDBC Res to FILE and If that is the case then again JDBC adapter is polling which is contradict to the client requuirement which i explained above.
pleas suggest me the Detailed steps mainly Colloboration agreements and logical routings and
also explain in detail if i can go for BPM
Also give cleear blogs but before giving make sure that it contains detailed screen shots because aIready gone thorugh
Scenario File-JDBC-RFC
File<-->JDBC Sync coomunication.
https://www.sdn.sap.com/irj/scn/wiki?path=/display/xi/file-rfc-file(Without+BPM)
/people/luis.melgar/blog/2008/05/13/synchronous-soap-to-jdbc--end-to-end-walkthrough
Regards::
Amar Srinivas Eli -
File Adapter BPEL Process getting switched off
The file adapter BPEL process reads a csv file which has a series of records in itfrom /xfer/chroot/data/aramex/accountUpdate/files. In between reading the files, the BPEL process gets switched off. The below snippet is the error we found in the domain.log. Anybody can you please suggest what to do?
<2010-11-25 16:22:28,025> <WARN> <PreActivation.collaxa.cube.ws> <File Adapter::Outbound>
java.io.FileNotFoundException: /xfer/chroot/data/aramex/accountUpdate/files/VFQ-251120101_1000.csv (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at oracle.tip.adapter.file.FileUtil.copyFile(FileUtil.java:947)
at oracle.tip.adapter.file.inbound.ProcessWork.defaultArchive(ProcessWork.java:2341)
at oracle.tip.adapter.file.inbound.ProcessWork.doneProcessing(ProcessWork.java:614)
at oracle.tip.adapter.file.inbound.ProcessWork.processMessages(ProcessWork.java:445)
at oracle.tip.adapter.file.inbound.ProcessWork.run(ProcessWork.java:227)
at oracle.tip.adapter.fw.jca.work.WorkerJob.go(WorkerJob.java:51)
at oracle.tip.adapter.fw.common.ThreadPool.run(ThreadPool.java:280)
at java.lang.Thread.run(Thread.java:619)
<2010-11-25 16:22:28,025> <INFO> <PreActivation.collaxa.cube.ws> <File Adapter::Outbound> Processer thread calling onFatalError with exception /xfer/chroot/data/aramex/accountUpdate/files/VFQ-251120101_1000.csv (No such file or directory)
<2010-11-25 16:22:28,025> <FATAL> <PreActivation.collaxa.cube.activation> <AdapterFramework::Inbound> [Read_ptt::Read(root)]Resource Adapter requested Process shutdown!
<2010-11-25 16:22:28,025> <INFO> <PreActivation.collaxa.cube.activation> <AdapterFramework::Inbound> Adapter Framework instance: OraBPEL - performing endpointDeactivation for portType=Read_ptt, operation=Read
<2010-11-25 16:22:28,025> <INFO> <PreActivation.collaxa.cube.ws> <File Adapter::Outbound> Endpoint De-activation called in adapter for endpoint : /xfer/chroot/data/aramex/accountUpdate/files/
<2010-11-25 16:22:28,095> <WARN> <PreActivation.collaxa.cube.ws> <File Adapter::Outbound> ProcessWork::Delete failed, the operation will be retried for max of [2] times
<2010-11-25 16:22:28,095> <WARN> <PreActivation.collaxa.cube.ws> <File Adapter::Outbound>
ORABPEL-11042
File deletion failed.
File : /xfer/chroot/data/aramex/accountUpdate/files/VFQ-251120101_1000.csv as it does not exist. could not be deleted.
Delete the file and restart server. Contact oracle support if error is not fixable.
at oracle.tip.adapter.file.FileUtil.deleteFile(FileUtil.java:279)
at oracle.tip.adapter.file.FileUtil.deleteFile(FileUtil.java:177)
at oracle.tip.adapter.file.FileAgent.deleteFile(FileAgent.java:223)
at oracle.tip.adapter.file.inbound.FileSource.deleteFile(FileSource.java:245)
at oracle.tip.adapter.file.inbound.ProcessWork.doneProcessing(ProcessWork.java:655)
at oracle.tip.adapter.file.inbound.ProcessWork.processMessages(ProcessWork.java:445)
at oracle.tip.adapter.file.inbound.ProcessWork.run(ProcessWork.java:227)
at oracle.tip.adapter.fw.jca.work.WorkerJob.go(WorkerJob.java:51)
at oracle.tip.adapter.fw.common.ThreadPool.run(ThreadPool.java:280)
at java.lang.Thread.run(Thread.java:619)
<2010-11-25 16:22:28,315> <ERROR> <PreActivation.collaxa.cube> <BaseCubeSessionBean::logError> Error while invoking bean "cube delivery": Process state off.
The process class "BulkAccountUpdateFileConsumer" (revision "1.0" ) has not been turned on. No operations on the process or any instances belonging to the process may be performed if the process is off.
Please consult your administrator if this process has been turned off inadvertently.This patch is not for 10.1.3.1.
I have provided a response to on the following post
BPEL Process Going into Dead State Automatically.
cheers
James -
Polling using File Adapter in BPEL
My requirement is to constantly poll a directory location using file adapter for a particular filename. If the file is found then pick the file else continue polling.
Any thoughts on the approach is appreciated.Refer the below, File adapter is capable of doing that.
http://docs.oracle.com/cd/E23943_01/integration.1111/e10231/adptr_file.htm#CIAHDAEB
for File Polling refer *4.3.1.4 File Polling* section
*7) Give points - it is good etiquette to reward an answerer points (5 - helpful; 10 - correct) for their post if they answer your question.*
Thanks,
Vijay -
How to Exclude a sub directorys from polling using FileAdapter of BPEL Proc
Hi all,
I have a BPEL process with file adapter which is polling to root folder .
I want to exclude File polling for some of the sub folder of the BPEL process.
How to exclude file polling for sub folder i know the option is available for file name not for folder.
Thanks
Phanidude, you have to give the exact name of the folder you want to poll to,
you can also pass the location of the folder at runtime/dynamically.
In 10 G only single location can be polled by single file adapter
in 11 g we can poll different folders by single file adapter
However I doubt that there can be selective polling to multiple folder. -
Guaranteeing sequence order when polling with DB adapter
We need to read rows from a source table using the DB adapter in polling mode, and deliver them to separate files in the same order they were read from the DB.
My understanding is that when polling, if we find 10 records to be processed, 10 separate BPEL processes will be created.
It's not clear how to then maintain the sequence order when creating the files, as each process may execute faster or slower than others.
Any advice appreciated
TobyMarc/Sjoerd,
Firstly, thanks for your replies.
On Marc's suggestion, if say we read 100 records using the database adapter, we get 100 processes. How do we control which process will be the first one to be processed, and which of the remaining 99 processes will be subsequently processed once the first has been completed by the cruncher process?
Sjoerd's 1st and 2nd option are not acceptable to us - we have to ensure the same order the records are read. for example record 1 could be a creation and record 2 could be an update to the first so delivering the update to the destination system before the creation will result in an error.
I'm not clear about option 3 - this sounds similar to Marc's suggestion. I can't see how order is maintained between a group of processes created as a result of the database adapter polling, and them being serviced by a cruncher/singleton process. What is to stop the bp which contains the first record being processed first, then the bp which contains the fifth record being processed second, then the bp which contains the second record being processed third etc?
Thanks
Toby -
Hi All,
i am trying to poll 2 files with the help of file adapter in 2 different proxy service in osb.
my requirement is 2nd file polling will not start untill 1st adpater sucessfully polled the 1st file present in that folder.
please let me know how can we apply wait for the 2nd polling file ...!!
Thanks & Regards,
AjayCheck this out -
Oracle JCA Adapter for Files/FTP - 11g Release 1 (11.1.1.6.3)
4.2.13 File-Based Triggers
You can use the Oracle File and FTP Adapters, which provide support for file-based triggers, to control inbound adapter endpoint activation. For information about how to use file-based triggers, see Section 4.3.1.4, "File Polling."
Using Trigger Files
By default, polling by inbound Oracle File and FTP Adapters start as soon as the endpoint is activated. However, to obtain more control over polling, you can use a file-based trigger. Once the Oracle File or FTP Adapter finds the specified trigger file in a local or remote directory, it starts polling for the files in the inbound directory.
For example, a BPEL process is writing files to a directory and a second BPEL process is polling the same directory for files. To have the second process start polling the directory only after the first process has written all the files, you can use a trigger file. You can configure the first process to create a trigger file at the end. The second process starts polling the inbound directory after it finds the trigger file.
The trigger file directory can be the same as the inbound polling directory or different from the inbound polling directory. However, if your trigger file directory and the inbound polling directory are the same, then you should ensure that the name of the trigger file is not similar to the file filter specified in the Adapter Configuration page shown in Figure 4-21.
The content of a trigger file is never read and therefore should not be used as payload for an inbound receive activity. -
Blocking multiple SOA Instances when polling from DB Adapter?
Hi,
I am on SOA 11.1.1.3 and have a simple requirement of sequential processing from a database table. I hence created a BPEL process to poll the DB and process the records sequentially by inserting 10 records in a single XML (and doing a while loop on these records). I have also kept a polling interval of 30s with Logical Delete option.
When I have just 10 records in the table, it works fine by creating one instance. However, when there are 20 records in the table, it creates 2 instances of 10 records each and since these two instances are processed in parallel, the sequential processing no more happens and records are processed out of order.
Is it possible to limit the number of instances to just one and prevent the second instance from kicking off. I have read about the singleton process but can I use this on a single node as well?
Any inputs will be appreciated.
Thanks!Hi
From what I know there is nothing out of box that does guarantee ordered execution of instances. That is due to the Queue based work storage and multiple threads pulling data for execution of instances.
I am not sure if that should be supported out of box as well.
Polling process is expected to poll for records every X interval. And create instances that can be processed with in the container.
From what I understand, the requirement needs to stop the polling process if there is a active instance
OR
Create a instance during each polling and check if there is an existing instance, wait till the other instance is complete and then proceed in order if multiple instances have been polled during the waiting window.
One option that I have implemented that works at the source (database) works like this:
1. Change the Db Adapter to logical delete
2. Create a view on the database to only show 1 NEW record, or no records if there is a RESERVED record
3. You might have to write a trigger on the table for updates to complex view created
At least the requirement that I had was to process records in the order they were created.
Status table look up might be tricky as it can not guarantee ordered execution of records as threads might grab the status in random order. But if the requirement is 1 at a time rather than ordered, this would be fine.
But from JVM load perspective, instances might be sitting in the memory doing constantly trying to grab status from table. From performance perspective other options would need to be explored.
Regards
Kalidass Mookkaiah -
Hi,
This should be a really easy thing to do but I'm obviously missing something simple and fundamental.
I want to set up a BPEL process that is initiated by the receipt of a file. All I initially want to get from that trigger is the name of the file and pass that value on to the next step in the chain.
So, I created a new BPEL Process project and added a File Adapter service, filling in all the details for picking up the file from the place that it'll arrive. Reading the "Adapter" manual, I should be able to get the file details (name, directory) by adding UseHeaders="true" into the JCA definition in the File Adapter's WSDL file. I have done this. Doing this creates another WSDL file called fileAdapterInboundHeader.wsdl Now, this is where I get lost. How do I use this?
By default, a new BPEL Process diagram shows a "Client" Partner Link, a receiveInput activity and a replyOutput activity. The receiveInput activity links from the Client Partner Link and the replyOutput activity links back to the Client.
So I'm guessing that I need to replace the Client partner link with my new File Adapter service so that the detection of the file starts my BPEL process, rather than some triggered activity from a client.
This is basically what I've done but it's really not working. How do I get at the filename that's gathered by the File Adapter service? Do I need an XML schema definition to work from?
Perhaps there's a nice simple example of this somewhere that somebody could point me at? I've been searching but not found anything yet.
Thanks,
AndyI've written up this procedure in a bit more detail than RedRocker originally provided so that people like me who are complete noobs to BPEL and JDeveloper can do this more easily. The example I give here takes the filename and writes it to a database table. The table just has a FILE_ID column (automatically populated from a sequence by an ON-INSERT trigger) and a CONTENTS column (where the file name goes):
How-To Get the name of an Input File and store it in a database table column.
1) Assuming that you're using JDeveloper and you have an Application Workspace, right-click on the Application and choose New Project from the context menu.
2) In the New Gallery, select Projects and then choose BPEL Process Project from the Items list:
3) Create an Empty BPEL Process by choosing Empty BPEL Process from the Template dropdown of the BPEL Project Creation Wizard.
4) This will bring up a completely empty BPEL Process in JDeveloer:
5) From the Component Palette (top-right), choose Services and then locate the File Adapter Service in the list.
6) Drag the File Adapter service from the Component panel to one of the Services columns in the main BPEL process designer (centre window). A Wizard will appear.
7) Enter a name for the Service (eg. GetFileName). Fill in the description if you wish.
8) Choose Read from the Operation Type list (adjust the Operation Name if you like):
9) Enter the physical directory (or logical name for one) where the file is to be read from. Decide on whether you want the file to be deleted after it's been read (it won't be re-processed if it's left there since each poll cycle only looks for files that arrived more recently than its previous cycle), and whether to archive the file.
10) Enter appropriate file selection filter criteria (note that for this BPEL example we're not interested in the file's content at all so the "Files contain Multiple Messages" tickbox and "Publish Messages in Batches of" selector are unimportant):
11) Select an appropriate Polling Frequency:
12) Select an Opaque schema (we're not interested in the file's content in this example)
13) Click Finish
14) Click OK to close the Partner Link creation wizard
15) Click Save All.
16) From the Application Navigator, drill down through the newly created BPEL Project, through the Integration Content folder to find your GetFileName Partner link. Expand this and double-click the GetFileName.wsdl file. In the centre panel, click the Source tab (at the bottom):
17) Scroll down to the <jca:operation> tag and add the attribute UseHeaders="true" at the end
18) Click Save All.
19) Return to the main GetFileName BPEL Process designer by clicking the tab name at the top of the centre window. In the Structure panel (bottom-left), expand the Variables folder, followed by the Process folder and click the exposed Variables folder
20) Create a variable by clicking the "Wand +" icon.
21) Give the variable a meaningful name (FileName) and choose Message Type. Click the Browse flashlight:
22) Choose InboundHeader_msg by drilling down as shown:
23) Click OK and OK.
24) In the Component palette (top-right), choose Process Activities from the dropdown list. Locate the Receive activity and drag it to the centre of the middle panel (ie. the BPEL Designer window) into the area marked "Drop Activity Here":
25) Double-click the new Receive activity to bring up the properties dialogue box. On the General tab, give the activity a meaningful name (eg. ReceiveFilename).
Click the Browse flashlight next to the Partner Link field and choose GetFileName from the list. The Operation dropdown will automatically show "Read" which is correct.
26) Click the Auto-Create Variable ("Wand +") icon next to the Variable field. This variable is merely a placeholder for the content of the file being read. Because we've said that the incoming file's schema is Opaque, this variable will not get populated. However, we still need to have a variable. Give the variable a meaningful name (eg. FileContent) and allow the type to be selected automatically and then click OK on the Create Variable dialogue.
27) Given that we'd want the receipt of a file to be individually traceable, ensure that the Create Instance checkbox is ticked on the General tab:
28) Click the Adapters tab. Click the Browse flashlight next to the Header Variable field and select the FileName variable from the list presented and click OK:
29) Click OK on the Receive activity property page to return to the main BPEL Designer screen.
30) At this point, the data is available within the BPEL process but needs to be assigned to something. In this example, the value is going to be written to the FILE_NAME column in a table called ACH_INUPT_FILE. This will be done through an Insert performed by a Database Adapter. The ACH_INUPT_FILE table is configured to have an ON-INTERT trigger which automatically selects a value from a Sequence for its Primary Key value. Therefore simply inserting a row will provide a Unique value in the FILE_ID column.
The next thing we need to do is create the Partner Link that performs the Insert operation. This will create a variable which we can assign the File Name to when this new Service is linked into the process flow.
From the Component panel, choose Services from the dropdown. Locate the Database Adapter service and drag one onto the BPEL Designer page in the Services column.
The Adapter Configuration wizard appears. Enter a meaningful name from the adapter (eg. WriteFileName). Enter a description if you like and click Next.
31) Choose the appropriate Connection from the dropdown list. Click Next.
32) Choose "Perform an Operation on a Table" for the Operation Type and deselect all operations except Insert Only. Click Next.
33) Click the Import Tables button. From the presented table, ensure that the table that's going to hold the data is selected by shuttling the table from the Available panel to the Selected panel. In this case I've selected the ACH_INPUT_FILE table. Click OK.
34) The Select Table panel shows the ACH_INPUT_FILE table. Click Next.
35) In this example there are no further relationships to make, so click Next on the Relationships page:
36) Click Finish. The Database Adapter's Partner Link properties page is displayed. Note that the Partner Link Type and Partner Role are automatically populated from the information gathered in the previous set of dialogue pages. Note that to change any of those values previously entered, click the Define Adapter Service icon. Click OK.
37) In the Components Palette, select Process Activities from the dropdown. Locate the Invoke activity and drag one to the main BPEL process flow and drop it immediately below the ReceiveFilename activity.
38) Double-click the new Invoke activity and the Invoke property panel is shown. On the General tab, give the Invoke activity a meaningful name (eg. InvokeWriteFileName).
Click the Browse flashlight next to the Partner Link field and select WriteFileName from the list of presented services. Click OK.
39) Note that the operation "insert" is automatically populated into the Operation dropdown.
40) Click the Automatically Create Input Variable icon (Wand +) next to the Input Variable field. Accept the default "InvokeWriteFileName_insert_InputVariable". This creates the variable of the right type that's needed by the WriteFileName service.
41) Click OK to close the WriteFileName Invoke activity property sheet. Note that there is a warning flag next to the new Invoke activity. We need to assign the file name to the Invoke activity's Input Variable.
42) From the Component Palette, drag an Assign activity so that it sits between the Receive and the Invoke activities in the BPEL flow.
43) Double-click the new Assign activity and click the General tab. Enter a meaningful name for the activity (eg. AssignFileNameToDBWriteInput).
44) Click the Copy Operation tab. Click the Create button and select Copy Operation from the list of types.
45) In the From panel, choose Expression from the Dropdown list. From the panel, click the XPath Expression Builder icon (highlighted).
46) From the Function list dropdown under the Functions heading, select Conversion Functions. Double-click the "string()" function. This moves the string() function into the Expression panel at the top as shown.
47) In the Expression panel, click inside the ( and ) brackets. Expand the variable FileName in the BPEL Variables panel below and select the fileName element from the InboundFileHeaderType element. Double-click the fileName to move the XPath expression into the Expression panel:
48) Click OK. In the To panel, ensure that the Type dropdown shows Variable. Drill into the InvokeWriteFileName_insert_InputVariable and select the element that the file name is to be assigned to. In the example illustrated, the variable is called "contents" but that's just because the table has that as the field name rather than "filename".
49) Click OK. The Assign property sheet shows the Copy Operation as below:
50) Click OK. The Invoke operation may still show a warning flag. Click the flag to see the errors/warnings. If there are now errors/warnings shown, click OK to dismiss the panel and the flag will disappear. The BPEL Process is complete and can be deployed.
It is long-winded, but it might just help somebody else.
Andy -
Can anyone help with how to use a FTP adapter in BPEL with the help of a simple example. I need the implementation with a simple example.
You can find some samples on these links:
http://java.net/projects/oraclesoasuite11g/pages/FTPAdapters
http://niallcblogs.blogspot.com/2011/07/soa-suite-11g-ftp-adapter.html -
Polling by file adapter (sender) with FIFO functionality
Hi,
here are one question:
What happen if, for example, the sender system generates multiple files with the same timestamp (HH:MM:SS), or the file adapter on XI is stopped for a moment, and then, when activated, in the source directory (polling directory) there are many files? How can XI handle the correct sequence of messages? Is this impossible. How XI poll on a file (sender) - what is the logic? The files should be polled by FIFO.
Thanks in advance.
Regards
FrankHi,
There is a logic called EOIO. Its exactly once in Order (EOIO). It takes care of all these iisues. Also XI gurantees the delivery of files.
Refer these links
http://help.sap.com/saphelp_nw04/helpdata/en/e3/94007075cae04f930cc4c034e411e1/content.htm
Regards
Aashish Sinha
PS ; reward points if helpful -
Get-order of FTP-adapter (bpel/esb)
Hello,
Is it possible to change or influence the order of getting files, i.e. get files by oldest creation date?
Scenario:
I'm using an FTP-adapter in a bpel process to get files. The interval is set to 1 minute. However, sometimes files are created within the 1 minute time-frame. The order of the files is very important in the scenario: the older file must be processed before the newer file by the bpel process. I've looked for any settings in the FTP adapter to influence the get-order, but without any success so far. Can anyone please help?
Kind regards,
HarmYou can find some samples on these links:
http://java.net/projects/oraclesoasuite11g/pages/FTPAdapters
http://niallcblogs.blogspot.com/2011/07/soa-suite-11g-ftp-adapter.html -
Using Logical Directory property in Assign File Adapter BPEL
Hi,
I wanted to use The Logical Directory which I created while making File Adapter in a BPEL process in 11g, in an assign activity.
How it can be done?
Thanks in advance
SharatI have already created a binding property for Logical Directory in Composite.xml. The thing is I want to set it through em, and check inside BPEL whether it is null or not. Only after that the File Adapter should be invoked.
I wanted to avoid exception if the binding property is not set by the user.
The solution lies in the word "exception" itself, just put the "invoke" activity inside a scope and on that scope attach a catch activity with "Binding Exception". If the file adapter is not able to find the file path, it will raise the excetption and "catch" will catch and inside catch I am able to put any activity which can end the process gracefully.
Sharat -
BPM to get rid of polling for file adapter
Hello,
nice scenario here:
We want to trigger a scenario for file to file transfer via an aRFC to be independent from the polling.
Looks like this needs a BPM, which could be started via an aRFC (save e.g. the content of the RFC in a directory on the XI machine if necessary).
But how to trigger now the sender adapter to pick up the prepared file (no relation to the content coming with the RFC) to deliver it?
Looks like we do not really understand how to use the BPM? Any idea to solve that is welcome!
Best regards
DirkHi Dirk,
take a look at this weblog by siva:
/people/siva.maranani/blog/2005/05/22/schedule-your-bpm
schedule your BPM and then you can use pooling
for the file adapter cause the message will stay in BPM
and you can control from the BPM
Regards,
michal -
SSH reset exception via ftp adapter BPEL and ESB
In our BPEL project and our ESB project using FTP adapters everything starts off good connection. files moving, E.T.C. However whenever it pleases it will throw an SSH reset exception. I checked with the admin's of the server's we are connecting to. And they say there should be no reason why Ex. Permissions, connection time your allowed, E.T.C. I observed what happens as these files get picked up and dropped off. (I set up a little test env at home) We have three files moving. So everytime it polls it has to reconnect Just wanted to throw that in there i mean its obvious but. Anywho is there a setting in BPEL.xml or some ESB file that has the TTL for the connection to a server or something or is anyone encountered an SSH reset exception
Are you using Linux servers to run your SSHD? If so, this is a known problem not limited to the SOA Suite. It turns out that there are many issues with this even when you use e.g. Putty. Causes can range from network hardware to certain firewall implementations (masquerading issues). If there's a firewall in play, you might want to give it a try to see if the problem also occurs if you bypass it. IMHO you should try and verify if the connections keep alive 'outside' of the SOA Suite on the same host..
HTH,
Bas
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