Hook java method into xquery engine
Hello everyone,
I'm using XmlBeans to execute dynamic XQuery computations on some XML data - via XmlObject.execQuery() (I'm currently using WL8.1sp3).
Now, I need to query an external DB table, necessarily from within the XQuery source; so I need to configure the engine to call my method upon invocation of an XQuery function. Is this possible? How?
Thank you for your attention,
D. Barra
eisenach
I know what ALDSP is, and I've used it already in some other contexts. I meant, it won't be bought by this customer, so it's not available to me :-(
What I was trying to accomplish is to emulate the 'User Method's as you see and use them by XQuery into Workshop's transformation controls: you write a method in java, then mark it with the "@dtf:xquery-function" annotation, et voilà , it's magically available in other xquery transformations.
The problem is that this area is undocumented (maybe intentionally), so I'm stuck to bypass this problem in some other way.
Regards,
D. Barra
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package Test;
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here are the files
package com;
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How to make plsql parser around java method
can someone tell me how can i move Jdeveloper java method into oracle DB (how to make plsql parser around java method). Is this possible becouse in google i can not find any good example how to make this.
Hi,
I think you are talking about Java Stored Procedure (?)
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Regards
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How to pass a JavaScript variable into a java method
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How to pass a file into a java method
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ThanksHi,
Just go thru the URL,
http://www6.software.ibm.com/devtools/news1001/art24.htm#toc2
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Sudha -
How to execute a Java method when row inserted into a database table?
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regards,
Fabian -
No message reach into Integration Engine ...
Hello,
I have following problem. I send message to XI through SOAP adapter. But the message doesn't reach of Integration Engine. It is delivered into Adapter Engine and then it stays in status "Waiting". When open message detail in RWB I get these information:
Message Data
Attribute Value
Engine Adapter Engine
Status Waiting
Repeatable Yes
Cancelable Yes
Start 29.08.2008 12:14:59
End 29.08.2008 12:14:59
+Sender Party +
Sender Service BS_GetSupperior
Sender Interface http://sntcz.cz/xmlns/holidays
MI_Holiday
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+Receiver Interface +
Quality of Service Exactly Once
Error Category XI_J2EE_ADAPTER_XI_HANDLER
Error Code GENERAL_ERROR
Message 55C9628075B311DDABE200301875333B
+Reference +
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
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at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
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If I try to send message to XI directly through HTTP adapter the message is not delivered into Integration Engine.
Do you have any idea what to check or where could be problem?
Thank you in advance for every advice!
Best regards,
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I think the problem is in the structure of the xml you want to send. I mean, that the structure of the message you are sending by means of SOAP adapter is not the same that the structure in the Inegration Repository.
When you test your message with a wrong BS it is sent to the IE and you can see this message in sxmb_moni with error status. It`s obvius, there is no configuration for this scenario. However if you test your scenario with right parametes but the content (xml structure) is wrong, the step when the content of the call is converted to the structure of the IR will fail. And the message doesn`t get the IE.
So check the content of your call.
I hope it is useful for you.
Regards,
Carlos -
Native - Java Method Call problem - "Wrong Method ID..."
I am writing a 3d game engine using c++, with all the game logic code in Java, for the purpose of making the thing extendible, easily modifyable, etc...
I am using J2SE JDK 1.2.2.
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Thanks
Chris Forbes
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[email protected]Hi Chris,
I hit the same sort of problem, when writing a JVMDI ( VM debugger hook ), in C++.
My question remained unanswered too
http://forum.java.sun.com/thread.jsp?forum=47&thread=461503&tstart=30&trange=30
I didn't try a call to NewGlobalRef, as you did... but it sounds like it could be what I was missing.
I've a couple of ideas, but nothing definite for you.
1) maybe there's more than one classloader, so that multiple copies of the class are loaded
2) ensure you're compiling your DLL with "quad-word" ( 8 byte ) alignment.
Otherwise all your JNI references will be misaligned !
Since the JNI reference maps to a C++ pointer, it's possible that you can't cache any JNI references.
That's my vague feeling on the subject.
As a workaround, you may have to keep requesting any JNI references, eg. jclass & jmethod's, as you need them.
regards,
Owen -
How to modify a java method in Folder component
Hi,
I need to add some custom java code after a java method in Folder component (I am using UCM 10g, the java method is "buildResultSet" in service "COLLECTION_COPY_LOT").
I defined service handler as described in Bex's book. My static table is:
<@table custom_ServiceHandler@>
<tr>
<td>serviceName</td><td>handler</td><td>searchOrder</td>
</tr>
<tr>
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</tr>
</table>
Java code is :
package myPackage
public class MyClass extends ServiceHandler {
public void buildResultSet() trows DataException,ServiceException
............. mu custom code
m_service.doCodeEx("",this);
If a change java method to addFiles and in static table Service to DocService, when i execute Checkin_new service it executes my custom code. I tried to change to loadorder, but have no success.
Pls someone to tell me how can i modify this method or any other java method in "COLLECTION_COPY_LOT" service. Do i have to make some additional settings ? What other ways to modify java methods i should try ?
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Thanks in advanceA service handler might be the right way to run some code at the end of a service call (another way would be to make use of filters).
First, make sure your static table is merged with ServiceHandlers.
Secondary, change your custom method name into one that is not already in the service definition of COLLECTION_COPY_LOT (preferably a unique method name like collectionCopyLotLastAction that describes its purpose) and remove the following line from your code:
m_service.doCodeEx("",this);Now create a service definition for COLLECTION_COPY_LOT in your custom component based on the original COLLECTION_COPY_LOT (copy paste from the original service definition) and add you own method collectionCopyLotLastAction as the last step in the service. Play with the load order to make sure CS is using your service definition of COLLECTION_COPY_LOT instead of the original.
regards,
Fabian -
Certain Java methods only available on Tomcat, when logged in as a user
Certain java methods are only available in a Tomcat webapp, when the Tomcat server is started in a terminal window, while the user is directly logged into the system
When one of those methods are called from a command line app, for a split second an app pops up in the dock, even though no UI-method is called directly.
For example include a method like javax.imageio.ImageIO.createImageInputStream into a servlet inside a tomcat webapp and start tomcat through a ssh-connection.
The servlet will crash with following exception:
java.lang.NoClassDefFoundError: Could not initialize class sun.java2d.Disposer
javax.imageio.stream.FileImageInputStream.<init>(FileImageInputStream.java:82)
javax.imageio.stream.FileImageInputStream.<init>(FileImageInputStream.java:57)
com.sun.imageio.spi.FileImageInputStreamSpi.createInputStreamInstance(FileImage InputStreamSpi.java:37)
javax.imageio.ImageIO.createImageInputStream(ImageIO.java:331)
com.sage.utility.ImageUtil.getFormatName(ImageUtil.java:76)
When Tomcat is started from a normal terminal window, while being logged into Mac OS, the very same method works without a problem.
It looks like the problem only exists on Mac OS X... on Linux it runs without a problem under the same configurations
I just noticed, that when the user logs out, the server will remain active, but another exception is raised:
Can't connect to window server - not enough permissions.
It looks like the reason for this is a crooked implementation of the java api by apple.
Since it doesn't really work for us, doing all out administration though screen sharing, I would love to hear, that there is a way around this.After I filed a bug-report an Apple engineer contacted me, and asked me to try running java in headless mode: http://java.sun.com/developer/technicalArticles/J2SE/Desktop/headless/
That solved the problem! -
Is there a tutorial on - how to call static java methods
I have defined external JAVA resource using a .jar file and have successfully catalogged the same. Now I need to pass variables to a static method in a class and also get the return variable mapped into a BPM variable.
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Any sample code or sample projects will be useful.
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ArvindHi Arvind,
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1. Right-click the External Resources item in the Project Navigator tab
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3. Name this new Java resource "MyNewJavaComponents" and ensure its type is Java Class Library.
4. Add the Java jar file(s)
Catalog and Expose the Java Components:
5. Add a new module in the Catalog called "IntegrationComponents".
6. Generate a Java integration component by right-clicking the IntegrationComponents module and select "Catalogue Component" -> "Java".
7. Using the Java configuration you just created called MyNewJavaComponents, click the Next button to automatically introspect the Java libraries.
8. Select the class where your method(s) are located and click the Next -> Finish buttons to have Oracle BPM generate the integration component for you.
9. If you expand the newly exposed Java component, you can see a method has been created for each public method (attributes would also be automatically created if this class had any public attributes). If you've included the appropriate BeanInfo class in the JAR, you'll note that the method parameters are appropriately named.
How to Invoke Public Java methods Exposed in the Catalog:
10. Open the method editor for an automatic activity in the process (or any BPM Object method with its "Server Side" property set to "Yes").
11. Drag one of the Java methods you just exposed inside your IntegrationComponents module into the automatic activity's method. Once you drag it in, here's what you might see if you're using the Java syntax in Oracle BPM's method editor:
(PdfGenerator).generate(outputFilename : "", contents : { }, logoImageURL : null, signatureImageURL : null);
Assuming you have "outputFilename", "sampleContent", "logoURL" and "signatureURL" variables already created in your process, change the method you just dragged in to:
IntegrationComponents.Pdfservice.PdfGenerator.generate(outputFilename : outputFilename, contents : sampleContent,
logoImageURL : logoURL, signatureImageURL : signatureURL);
Hope this helps,
Dan -
Passing variables frm xsl to a java method
here is my current frustration -- aside from being new to java and xsl...
i have an xml message (that is passed to me from another process) as follows:
<?xml version="1.0" encoding="UTF-8"?>
<WillsXMLStart>
<inputEventStart>TRUE</inputEventStart>
<inputEventNumber>1</inputEventNumber>
<inputEventID>HEREISTHEID</inputEventID>
<inputEventEnd>TRUE</inputEventEnd>
</WillsXMLStart>ok now i am using netbeans to create and xsl to gram the information and reformat the information because the end process want the data and event tags differantly. my xsl is as follows:
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:gng="java:GetAndConvert"
exclude-result-prefixes="gng"
version="2.0">
<xsl:output encoding="UTF-8" indent="yes" method="xml"/>
<xsl:template match="/">
<WillsXMLStart>
<inputEventStart>
<xsl:value-of select="WillsXMLStart/inputEventStart"/>
</inputEventStart>
<inputEventNumber>
<xsl:value-of select="WillsXMLStart/inputEventNumber"/>
</inputEventNumber>
<inputEventID>
<xsl:variable name="inputVariable">
<xsl:value-of select="WillsXMLStart/inputEventID"/>
</xsl:variable>
<!-- <xsl:value-of select="$inputVariable"/> -->
<xsl:value-of select="gng:getString('$inputVariable')"/>
</inputEventID>
<inputEventEnd>
<xsl:value-of select="WillsXMLStart/inputEventEnd"/>
</inputEventEnd>
</WillsXMLStart>
</xsl:template>
</xsl:stylesheet>ok... now for the frustrating part... what i need to do is (as the code shows(i think)), get and store in a variable called "inputVariable" the specific informati that is stored in the "inputEventID" from the xml. that works fine... but i need to pass that information as a string to the java method "getString(String inputVariable)".... my java code (just a test) is as follows:
* GetAndConvert.java
* @author william
* Created on June 27, 2007, 8:04 AM
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
public class GetAndConvert {
/** Creates a new instance of GetAndConvert */
public String getString(String inputVariable) {
String x = "test";
System.out.print("this is the string that is hardcoded into GAC: " + inputVariable);
return x;
}OK.... i am getting the following error when i try to run the whole thing -- translation from within XSL:
XML validation started.
Checking file:/home/william/PROGRAMMING/TestingJavaXML/src/testingXML-JavaInput.xsl...
Cannot find class 'java:GetAndConvert'.
Cannot find external method 'java:GetAndConvert.getString' (must be public).
Could not compile stylesheeti have 2 packages in my "project". 1 = default where i have my xml and xsl files... 2 = JavaEvents where i have my .Java file.
any and all help would really be appreciated... as i am going bald trying to figure this out. you can either post here or you can email me at: [email protected]
thanks in advance for all your help.
Deathsbain.OK... now i am getting this error...:
XSL
<!--
Document : translatorJavaXSL.xsl
Created on : June 27, 2007, 3:53 PM
Author : william
Description:
Purpose of transformation follows.
-->
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:gng="java:JavaSRC.xmljavamain"
exclude-result-prefixes="gng"
version="1.0">
<xslutput encoding="UTF-8" indent="yes" method="xml"/>
<xsl:template match="/">
<WillsInputXML>
<eventStart>
<xsl:value-of select="WillsInputXML/eventStart"/>
</eventStart>
<eventNumber>
<xsl:value-of select="WillsInputXML/eventNumber"/>
</eventNumber>
<eventUniqueID>
<xsl:variable name="inputVariable">
<xsl:value-of select="WillsInputXML/eventUniqueID"/>
</xsl:variable>
<xsl:value-of select="$inputVariable"/>
<xsl:variable name="myInstance">
<xsl:value-of select="gng:new()"/>
</xsl:variable>
<xsl:value-of select="gng:xmlJavaConverter($myInstance, $inputVariable)"/>
</eventUniqueID>
<eventEnd>
<xsl:value-of select="WillsInputXML/eventEnd"/>
</eventEnd>
</WillsInputXML>
</xsl:template>
</xsl:stylesheet>
JAVA
* xmljavamain.java
* Created on July 2, 2007, 8:58 AM
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
package javaSRC;
* @author william
public class xmljavamain
/** Creates a new instance of xmljavamain */
public String xmlJavaConverter (String inputValue)
return ("this is the xmljavamain function...");
}when running the "NetBeans" translator for the XSL page i get this error.
XML validation started.
Checking file:/home/william/PROGRAMMING/XML-Java-XSL/src/xmljavaxsl/translatorJavaXSL.xsl...
Cannot find class 'java:JavaSRC.xmljavamain'.
Cannot find external constructor 'java:JavaSRC.xmljavamain'.
The first argument to the non-static Java function 'xmlJavaConverter' is not a valid object reference.
Could not compile stylesheet
Could not compile stylesheet
XML validation finished.WHAT AM I DOING WRONG?
Deathsbain. -
How to have the JTA transaction in ServiceEndpoint interface java method
Hi,
I have query how to have the JTA transaction in SEI(Service endpoint interface) generated by WSDL.
I have a MDMListener (using MDM API) which looks for a recordchange in MDM repository which needs to be send to PI7.1 via soap request.
1) I had imported the WSDL from ESR(PI) and generated outside-in proxy.
2) Created ejb3.0 stateless session bean using NWDS
3) Created web service client application by generating the WSDL again (by Generate client)
4)Added a method callPI()with Service and i set the context with endpointaddress property as the soap location of the sender agreement configured in PI7.1.
The damean thread listener(EventDispatcher) looks for MDM record change and it calls the method callPI() from ejbsession bean by lookup to transfer the record to PI7.1 system via webservices(web method). I hit the below error.
Exception com.sap.engine.services.ts.exceptions.BaseIllegalStateException: Status of ( SAP J2EE Engine JTA Transaction : 06223ffffffa20048fffffffe ) should be active, but it is STATUS_COMMITTED = 3.
at com.sap.engine.services.ts.jta.impl.TransactionImpl.registerSynchronizationWithoutStatusChecks(TransactionImpl.java:672)
at com.sap.engine.services.ts.jta.impl.TransactionImpl.registerSynchronization(TransactionImpl.java:641)
at com.sap.engine.services.ts.transaction.TxLevelSynchronizations.addSynchronization(TxLevelSynchronizations.java:118)
at com.sap.engine.services.ts.transaction.TxManagerImpl.registerSynchronization(TxManagerImpl.java:829)
at com.sap.transaction.TxManager.registerSynchronization(TxManager.java:303)
at com.sap.engine.messaging.runtime.j2ee.sapengine.SAPTransactionManager.registerSynchronization(SAPTransactionManager.java:126)
at com.sap.engine.messaging.impl.util.tx.TxController.<init>(TxController.java:83)
//Method in the ejb stateless session bean
@WebServiceRef (name="DistributeMasterDataService") DistributeMasterDataService service;
@RelMessagingNW05DTOperation(enableWSRM=true)
public void callPi(DistributeMasterDataRequestType req) {
port.distributeMasterDataOutA(req);// the distributeMasterDataOutA is the method available in SEI..Here is the issue on JTA
For the first time the message(req object)transmits to the PI successfully,but for the second call i hit this JTA Transaction :status should be active, but it is STATUS_COMMITTED = 3.
I tried chanding the transactionmanagement from container to bean.
@TransactionManagement(value=TransactionManagementType.BEAN)
@TransactionAttribute(value=TransactionAttributeType.REQUIRES_NEW)
I wanted to know how can i have the JTA transaction status in SEI(service enpoint interface)java method distributeMasterDataOutA.Since it is an interface i dont know what annotation can be used.
If its possible i can try this UserTransaction,
http://help.sap.com/saphelp_nw04/helpdata/de/f6/7a8df922db4ab79342b46c48dac7d0/content.htm
ut.begin() & ut.commit(),so that everytime this method is called it will treat as a new transaction..
Let me know if you need more details??,Any idea provided would be great.
Thanks
SabarinathanHello everybody,
The issue resolved,we need to have the bean management transaction type and not the container.
and the transactionattribute value as Requires New
rgds
Sabarinathan
Edited by: Sabarinathan Selvaraj on May 12, 2009 2:17 PM
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