OEDQ - External Task Example
Team, can you someone help me on External Task.
I see Command, Working Directory and Arguments on External Task.
Header 1
Header 2
Command
java -jar jmxtools.jar runjob -job TestProject -project ABC -u dnadmin localhost:8090
Working Directory
\opt\local\software\edq\tools
Arguments
I am getting error "....... is not located in one of the designated command areas.
I tried even specified like below still no luck, someone please help me with this.. Thanks in advance!!!
Header 1
Header 2
Command
java -jar jmxtools.jar runjob
Working Directory
\opt\local\software\edq\tools
Arguments
-job TestProject -project ABC -u dnadmin localhost:8090
Thanks in advance!
Hi,
See the online help section on external tasks - particularly the section regarding security considerations.
I suggest you put your "java -jar jmxtools.jar ........." command in a batch/file and drop this in the config/commandarea folder. Use the name of the batch file/script as the 'command' parameter of the executable external task.
regards,
Nick
Similar Messages
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Interactive activity, external task example???
Hi,
I'm trying to search for a simple external task example, however it is totally imposible to find anything ... :(
I would like to make a few questions about it. When you create an external task in a interactive activity, you can specify an URL where the request will be redirected when you click on a external task, but how do you send the information about the specific process you want to work with in the URL? is it possible to pass parameters to this URL ? which is exactly the correct use of the external URL configuration? if I pass the control to an external system, how this system is able to know which BPM process instance to work with?
Regards,
Antonio.Hi,
I've recently found out that Aqualogic simply sends the information about the process as request parameters to the external system:
taskIn:0
activity:TareaExterna
instanceId:/ExpenseReport#Default-1.0/6/0
participantId:Peter Jones
Very easy, however it is quite frustrating not finding anything about it. I agree with you that it is an upcoming technology, however the documentation of a product should have a minimum of quality, specially coming from an important company as BEA. They offer a functionality and simply do not explain how it works.
In any case, thanks a lot for answering my question!! :)
Best regards,
Antonio. -
Hi
I have tried to look everywhere for some tutorial or example on how to use external tasks (in Oracle BPM 10gr3). What must be done in the studio and what has to be done in the code. Does anyone have any examples or tutorials on how to use external tasks? What exactly means prepare method? Is it that when (external) client calls prepareExternalActivity()-method, this specified method in BPM-engine is executed. But how exactly this can be done?
Another question is that does Oracle BPM 10gr3 support asynchronous web services ? Can I call asynchronous web service from process?
Thanks for advance
Best Regards TuomasIf you look at the Variables view on the left when editing your prepare method there should be an arguments section. An argument marked as an output argument in this method will be passed to the client when the prepare method is called. Passing a BPM Object will require a lot more code on the client side though, because those class definitions won't exist there. The simpler way is to pass out a Java object that is cataloged into BPM and have the same java class on the client side, or pass out a XML string that can be parsed by the client then.
-
External Task - prepared and commit method
Hey guys,
I have a problem with External Task. I don't know how make a prepared and commit method for use with J2EE Application Server.
Anyone have an example?
tksI am having some issue with the Externhal Task prepare and commit method,
Actually I am ponting the interactive activity to external Task and in the external task i am getting instanceID , participantId and activity as query paramenters.Using those query paramemeters i am initalizing the ProcessServiceSession and then making call to prepareActivate Method as below.
I am getting query string instnaceId value like " %2FScorecardChallenge%23Default-1.0%2F4%2F0 " .
And I tried to call the IntsnaceID method InstanceId.getProcessId(instanceId), but this getProcessId method gives Null value.
Is there any idea why i am getting the Null processID value for the instanceIdString " %2FScorecardChallenge%23Default-1.0%2F4%2F0 ".
My sampel code looks like below ....
String instanceId = this.getRequest().getParameter("instanceId");
String activity = this.getRequest().getParameter("activity");
String participantId = this.getRequest().getParameter("participantId");
this.getRequest().setAttribute("activity",activity);
this.getRequest().setAttribute("isFromBpm","true");
try
System.out.println("########### BPM params" + instanceId + " : " + activity + " : " +participantId);
ProcessServiceSession bpmSession = ConnectPAPI.createSession(participantId,this.getRequest().getRemoteHost());
String pid=InstanceId.getProcessId(instanceId);
System.out.println("Process ID value "+ pid);
System.out.println("Instance ID value "+ InstanceId.getInstanceId(instanceId));
System.out.println("Instance ID value "+ InstanceId.getInstanceIn(instanceId));
if(bpmSession != null)
{ try{
Arguments args = bpmSession.activityPrepare(activity,instanceId,Arguments.create());
Map argument =(Map) args.getArguments();
Iterator it = argument.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pairs = (Map.Entry)it.next();
String key = (String)pairs.getKey();
Object value = pairs.getValue();
System.out.println("########### BPM args" + key + " : " + value + " : " );
But my problem here is I am getting null pointer exception like below ( I found that null pointer exception is coming because processID ivelue is null).
Stack Trace is output :
Process ID value null
Instance ID value %2FScorecardChallenge%23Default-1.0%2F4%2F0
Instance ID value -1
bpmSesssion instance details abstract class fuego.papi.ProcessServiceSesion
bpmSesssion instance is not null
java.lang.NullPointerException
at fuego.directory.DirDeployedProcess.isConsolidatedId(DirDeployedProcess.java:114)
at fuego.papi.impl.ProcessServiceSessionImpl.getProcessControl(ProcessServiceSessionImpl.java:2328)
at fuego.papi.impl.ProcessServiceSessionImpl.processGetInstance(ProcessServiceSessionImpl.java:1926)
at fuego.papi.impl.ProcessServiceSessionImpl.activityPrepare(ProcessServiceSessionImpl.java:1128)
at com.rollsroyce.gsp.poc.samplePOC.SamplePOCController.begin(SamplePOCController.java:57)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.beehive.netui.pageflow.FlowController.invokeActionMethod(FlowController.java:879)
at org.apache.beehive.netui.pageflow.FlowController.getActionMethodForward(FlowController.java:809)
at org.apache.beehive.netui.pageflow.FlowController.internalExecute(FlowController.java:478)
at org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(PageFlowController.java:306)
at org.apache.beehive.netui.pageflow.FlowController.execute(FlowController.java:336)
at org.apache.beehive.netui.pageflow.internal.FlowControllerAction.execute(FlowControllerAction.java:52)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.access$201(PageFlowRequestProcessor.java:97)
at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor$ActionRunner.execute(PageFlowRequestProcessor.java:2044)
at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInterceptors$WrapActionInterceptorChain.continueChain(ActionInterceptors.java:64)
at org.apache.beehive.netui.pageflow.interceptor.action.ActionInterceptor.wrapAction(ActionInterceptor.java:184)
at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInterceptors$WrapActionInterceptorChain.invoke(ActionInterceptors.java:50)
at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInterceptors$WrapActionInterceptorChain.continueChain(ActionInterceptors.java:58)
at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInterceptors.wrapAction(ActionInterceptors.java:87)
at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processActionPerform(PageFlowRequestProcessor.java:2116)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:556)
at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:853)
at org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:631)
at org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:158)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
Please help me , is any knows the problem......................................... -
External task - run batch file as administrator
Hi,
My name is Sid. I am working on developing an EDQ project to parse a collection of log files.
I have run into a roadblock on the first step!
My EDQ server is on a Windows Server 2008 platform.
I am calling a batch file that copies these log files between two locations.
The batch file copies the files fine when i run it as administrator from the commandarea in EDQ server, but it does not work when called from the External Tasks in EDQ.
I tried using the runas user:/Administrator in the batch file but that does not work either.
Would greatly appreciate any pointers in this regard.
Thank You,
SidWith runas you in fact logon to another seesion. So cmd is started with his own starting directory (being where it is located, system32).
I would recommend never to rely on the working dir for a batch file or script, but to always include the full path to the needed command/executables. If needed you can use environment variables to get the pathes of user-customised folders (for example the %usersprofile% variable).
Using .lnk files (normal shortcuts) you can specify the working dir to start in if you would really need that functionality.
MCSA/MCTS/MCP -
Hello everyone, Can someone provide me some samples of using External Tasks (External Executables and File Download). Thanks in advance!
Hi,
File download tasks should be self-explanatory.
One note is that you can use file:// syntax to get files from the network... for example:
URL: file://servername/directory/subfolder/filename.type
Filename: targetfilename.type
External tasks are more variable and tend to vary by O/S. The actual task itself will normally simply call an executable script. An example is the Dow Jones Watchlist external task that comes with Oracle Watchlist Screening that calls a script in the commandarea of the EDQ config directory.
The external task simply runs the stated script and the job manager works with its exit status.
Regards,
Mike -
External task and Multiple-join
In a process, the order of activities is: Begin->interactive activity A -> multiple -> interactive activity B -> Join -> interactive activity C
This process has 2 instance variable, var1 and var2.
var1's type is BPMObject
var2's type is String.
PBL code in Mulitple is as follow.
---------------------------Multiple------------------------------
participants as Participant[]
ts as String[]
ts=var1.selectParticipants;
v as Int
v=length(ts)-1
for i2 in 0..v
do
participants(i2)=Participant.find(name : ts(i2))
end
for each p in participants do
copy = clone(this)
copy.participant.next = p
copy.var1.voteResult="O"
end
The main task type of interactive activity B is set to external.
The PBL code in the interactive activity B is as follow
------------------------interactive activity Prepare--------------------------------------------------------
var1.voteResult=arg1
arg2=var1.voteResult
arg1 and arg2 in this interactive activity are fine.
Interactive activity B does not have a commit method .
The PBL code in the Join is below.
---------------------------------------------------Join-----------------------------------------------
var2=var2+"*"+copy.var1.voteResult
I also try: this.var2=this.var2+"*"+copy.var1.voteResult
However, it only outputs *
It only output *. The number of * equals the number of branch.
The main task of Interactive activity C is an external task.
This activity only has a very simple prepare method: arg1=var2
arg 1 is the argument. I just want to see the value of var2. However, the value of var2 is just *
I cannot get the value of each branch.
How to get the correct value of each branch?I change the value type to Int. Then, it works.
How to get the value of String type? -
Hi Everyone,
Have any body used external task for an interactive activity. If any body have samples to call prepareExternalActivity() and commitExternalActivity( ) from a standalone java program please help?
ThanksHi Nick,
Thanks for help!
My bat file runs without any errors from external tasks in EDQ.
The account has full control on all the shared folders i am using.
My script:
set ss_temp_dir=D:\Datanomic\dnDirector\config\landingarea\EDQ_Notification
echo s1 > log.txt
set srm_analyzer_path=\\<appsrvr4>\d$\sba81\siebsrvr\BIN
echo s2 >>log.txt
COPY /Y \\<appsrvr1>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
COPY /Y \\<appsrvr2>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
COPY /Y \\<appsrvr3>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
:: The above copy is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
echo s3 >>log.txt
:: log s1-s2-s3 created in commandarea.
setLocal DisableDelayedExpansion
pushd \\<sharedloc>\siebfile\FDR\
setLocal EnableDelayedExpansion
echo s4 >>log.txt
for /f "tokens=* delims= " %%G in ('dir/b/od T*.fdr') do (set newest=%%G)
echo s5 >>log.txt
copy %newest% %ss_temp_dir%
echo s6 >>log.txt
:: log s4-s5-s6 created in \\<sharedloc>\siebfile\FDR\
pushd %ss_temp_dir%
echo s7 >>log.txt
for %%F in (%ss_temp_dir%\*.fdr) do (
::set outfile=%ss_temp_dir%\%%~nF.csv &&
%srm_analyzer_path%\sarmanalyzer.exe -o %ss_temp_dir%\Snapshot_Working_CSV.csv -x -f %%F
:: The above saqrm_analyzer is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
echo s8 >>log.txt
MOVE /Y %ss_temp_dir%\*.fdr %ss_temp_dir%\BU\
echo s9 >>log.txt
:: The above move is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
::Log s7-s8-s9 created in %ss_temp_dir%
Thanks,
Sid -
Send and Receive BPM task Example
Guys,
I would like to have BPM Send and Receive task example. I google it, but not getting proper links. can you anyone send it?Hi,
When I started to achieve this, I had gone through,
lot's of website, blog to achieve this.
Finally I achieved that.
For any new comer who would like to do same task,
Who would like to find everything need to achieve this,
I posted the information in my blog,
that can help for them, and they will not need to go through lot's of website
just refer this
http://chetanmenge.blogspot.com/
Hope this will be useful for them.
Thanks,
¢нeтαη Menge
NURV (Never Underestimate Your Radical Vision) -
External Task not working from job
Hi,
I am trying to call a batch file which copied fdr files from one folder to another and runs sarmanalyzer to generate csv files in the edq landing area.
The batch file is working fine when called from command prompt or double clicked in the edq server, but does not work as expected when called from project or job.
I generated a log file which confirms that the log file is being executed by the job to the last line, but the file copying and sarmanalyzer commands simply do not work.
Any pointers are greatly appreciated.
Thanks,
SidHi Nick,
Thanks for help!
My bat file runs without any errors from external tasks in EDQ.
The account has full control on all the shared folders i am using.
My script:
set ss_temp_dir=D:\Datanomic\dnDirector\config\landingarea\EDQ_Notification
echo s1 > log.txt
set srm_analyzer_path=\\<appsrvr4>\d$\sba81\siebsrvr\BIN
echo s2 >>log.txt
COPY /Y \\<appsrvr1>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
COPY /Y \\<appsrvr2>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
COPY /Y \\<appsrvr3>\d$\sba81\siebsrvr\BIN\*.fdr \\qssdvucmgtw301\siebfile\FDR
:: The above copy is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
echo s3 >>log.txt
:: log s1-s2-s3 created in commandarea.
setLocal DisableDelayedExpansion
pushd \\<sharedloc>\siebfile\FDR\
setLocal EnableDelayedExpansion
echo s4 >>log.txt
for /f "tokens=* delims= " %%G in ('dir/b/od T*.fdr') do (set newest=%%G)
echo s5 >>log.txt
copy %newest% %ss_temp_dir%
echo s6 >>log.txt
:: log s4-s5-s6 created in \\<sharedloc>\siebfile\FDR\
pushd %ss_temp_dir%
echo s7 >>log.txt
for %%F in (%ss_temp_dir%\*.fdr) do (
::set outfile=%ss_temp_dir%\%%~nF.csv &&
%srm_analyzer_path%\sarmanalyzer.exe -o %ss_temp_dir%\Snapshot_Working_CSV.csv -x -f %%F
:: The above saqrm_analyzer is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
echo s8 >>log.txt
MOVE /Y %ss_temp_dir%\*.fdr %ss_temp_dir%\BU\
echo s9 >>log.txt
:: The above move is not working from EDQ - no files copied - running the commands from cmd or double clicking the bat works fine for all commands.
::Log s7-s8-s9 created in %ss_temp_dir%
Thanks,
Sid -
External task - prepare method - decode-encode
In the prepare method, I write code refer to thread:
How to invoke a java application in the middle of the process
Using Papi to operate with process
How to invoke a java application in the middle of the process
If the error is caused by decoding and encodeing the URL, please tell me how to fix this problem.
Thanks a lot.
The code snippet as follows
-------------------code-----------------------------------------------
package getinstance;
import fuego.lang.DynamicObject;
import fuego.papi.Arguments;
import fuego.papi.CommunicationException;
import fuego.papi.InstanceInfo;
import fuego.papi.ProcessService;
import fuego.papi.ProcessServiceSession;
import fuego.papi.OperationException;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
public class prepare {
public prepare() {
public static void main(String[] args) {
prepare prepare = new prepare();
Properties configuration = new Properties();
configuration.setProperty(ProcessService.DIRECTORY_ID, "default");
configuration.setProperty(ProcessService.DIRECTORY_PROPERTIES_FILE, "D:\\BPM_HOME_standalone\\webapps\\papiws\\WEB-INF\\directory.xml");
configuration.setProperty(ProcessService.WORKING_FOLDER, "/tmp");
System.out.println("1111111111111");
Arguments argumentsResult = Arguments.create();
String taskIn = "0";
//String activity = "/InvokeJavaProcess#Default-1.0/InteractiveJava"; //both are fine
String activity = "InteractiveJava"; //both are fine
String instanceId = "/InvokeJavaProcess#Default-1.0/203/0";
try {
ProcessService processService = ProcessService.create(configuration);
ProcessServiceSession session = processService.createSession("jcooper", "welcome1", "host");
System.out.println("33333 instanceID="+instanceId);
argumentsResult = session.activityPrepare(activity, instanceId, Arguments.create()); // error starts from here
System.out.println("444444444");
DynamicObject obj = argumentsResult.getDynamicObject();
Map fieldMaps = obj.asFieldsMap();
for (Iterator<String> iterator = fieldMaps.keySet().iterator(); iterator.hasNext();) {
String key = iterator.next();
System.out.println("key : "+ key + "value" +obj.getField(key));
DynamicObject obj2 = argumentsResult.getDynamicObject();
Map fieldMaps2 = obj2.asFieldsMap();
for (Iterator<String> it = fieldMaps2.keySet().iterator(); it.hasNext();) {
System.out.println("key : "+ key + " value : "+ obj2.getField(key));
session.close();
} catch (OperationException e) {
e.printStackTrace();
But I get errors like follow:
-------------------error---------------------------------------
E:\Jdeveloper10131_20090318\jdk\bin\javaw.exe -client -classpath E:\Jdeveloper10131_20090318\jdev\mywork\Java_be_invoked\getInstance\classes;D:\BPM_HOME_standalone\client\papi\lib\fuegopapi-client.jar getinstance.prepare
1111111111111
Creating connector [fuego:SQL]
Creating ProcessService with id 'oracle/2009-03-31 18:08:47+08:00'.
Local folder /tmp\system\Schema3387192-1796619082\catalogs found.
Loading catalogs from local folder: /tmp\system\Schema3387192-1796619082\catalogs
1 jars found locally.
Local jar '126' succesfully loaded.
[CatalogMgrCache] =======================
Registering CatalogMgr [oracle/2009-03-31 18:08:47+08:00] ...CatalogManagerCache 14949315:
Managers:
Counters:
[CatalogMgrCache] =======================
CatalogMgr [oracle/2009-03-31 18:08:47+08:00] REGISTERED!CatalogManagerCache 14949315:
Managers:
{oracle/2009-03-31 18:08:47+08:00=fuego.util.LocalCatalogManager@1dacccc}
Counters:
ProcessService 'oracle/2009-03-31 18:08:47+08:00' created successfully.
33333 instanceID=/InvokeJavaProcess#Default-1.0/203/0
Unreachable Engine Tolerance (seconds):
by default: 0
to be used: 0
This papi client will not cache exceptions which imply that an engine could not be reached.
Adding local catalog for project: 124
[CatalogLoaderMgrCache] =======================
CatalogClassLoader[oracle/2009-03-31 18:08:47+08:00-124] added to cache
Catalog ClassLoader MAP:
{oracle/2009-03-31 18:08:47+08:00-124=CatalogClassLoader(FuegoObjectCatalog(catalogIn: 124, directoryId: oracle/2009-03-31 18:08:47+08:00))}
Catalog Manager Cache:
CatalogManagerCache 14949315:
Managers:
{oracle/2009-03-31 18:08:47+08:00=fuego.util.LocalCatalogManager@1dacccc}
Counters:
{oracle/2009-03-31 18:08:47+08:00=1}
fuego.papi.exception.TaskFailedException: Task '0' in activity '/InvokeJavaProcess#Default-1.0/Interactive[InteractiveJava]' for instance '/InvokeJavaProcess#Default-1.0/203/0' could not be successfully executed. The task failed while executing method '%PREPARE%'.
at fuego.papi.exception.TaskFailedException.create(TaskFailedException.java:57)
at fuego.server.AbstractProcessBean.createTaskFailedException(AbstractProcessBean.java:3572)
at fuego.fengine.FEngineProcessBean.createTaskFailedException(FEngineProcessBean.java:398)
at fuego.server.AbstractProcessBean.runTask(AbstractProcessBean.java:3193)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at fuego.lang.JavaClass.invokeMethod(JavaClass.java:1410)
at fuego.lang.JavaObject.invoke(JavaObject.java:227)
at fuego.component.Message.process(Message.java:585)
at fuego.component.ExecutionThread.processMessage(ExecutionThread.java:780)
at fuego.component.ExecutionThread.processBatch(ExecutionThread.java:755)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:142)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:134)
at fuego.fengine.FEngineProcessBean.processBatch(FEngineProcessBean.java:244)
at fuego.component.ExecutionThread.work(ExecutionThread.java:839)
at fuego.component.ExecutionThread.run(ExecutionThread.java:408)
at fuego.component.CustomExecution.next(CustomExecution.java:176)
at fuego.papi.impl.rmi.RMIExecution.next(RMIExecution.java:109)
at fuego.papi.impl.ProcessInstanceOperation.prepareExternalActivity(ProcessInstanceOperation.java:695)
at fuego.papi.impl.ProcessServiceSessionImpl.activityPrepare(ProcessServiceSessionImpl.java:1420)
at fuego.papi.impl.ProcessServiceSessionImpl.activityPrepare(ProcessServiceSessionImpl.java:1414)
at getinstance.prepare.main(prepare.java:43)
Caused by: fuego.lang.ComponentExecutionException: The method 'CIL_interactiveJavaPrepare' from class 'oracle.InvokeJavaProcess.Default_1_0.Instance' could not be successfully executed.
at fuego.component.ExecutionThreadContext.invokeMethod(ExecutionThreadContext.java:519)
at fuego.component.ExecutionThreadContext.invokeMethod(ExecutionThreadContext.java:273)
at fuego.fengine.FEEngineExecutionContext.invokeMethodAsCil(FEEngineExecutionContext.java:219)
at fuego.server.execution.EngineExecutionContext.runCil(EngineExecutionContext.java:1280)
at fuego.server.execution.TaskExecution.invoke(TaskExecution.java:401)
at fuego.server.execution.InteractiveNormalCilExecution.invoke(InteractiveNormalCilExecution.java:425)
at fuego.server.execution.TaskExecution.executeCIL(TaskExecution.java:513)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:697)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:657)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:154)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeNormalCil(InteractiveMicroActivity.java:501)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeItem(InteractiveMicroActivity.java:454)
at fuego.server.execution.microactivity.InteractiveMicroActivity.execute(InteractiveMicroActivity.java:104)
at fuego.server.AbstractProcessBean$48.execute(AbstractProcessBean.java:3184)
at fuego.server.execution.DefaultEngineExecution$AtomicExecutionTA.runTransaction(DefaultEngineExecution.java:304)
at fuego.transaction.TransactionAction.startBaseTransaction(TransactionAction.java:470)
at fuego.transaction.TransactionAction.startTransaction(TransactionAction.java:551)
at fuego.transaction.TransactionAction.start(TransactionAction.java:212)
at fuego.server.execution.DefaultEngineExecution.executeImmediate(DefaultEngineExecution.java:123)
at fuego.server.execution.EngineExecution.executeImmediate(EngineExecution.java:66)
at fuego.server.AbstractProcessBean.runTask(AbstractProcessBean.java:3188)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at fuego.lang.JavaClass.invokeMethod(JavaClass.java:1410)
at fuego.lang.JavaObject.invoke(JavaObject.java:227)
at fuego.component.Message.process(Message.java:585)
at fuego.component.ExecutionThread.processMessage(ExecutionThread.java:780)
at fuego.component.ExecutionThread.processBatch(ExecutionThread.java:755)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:142)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:134)
at fuego.fengine.FEngineProcessBean.processBatch(FEngineProcessBean.java:244)
at fuego.component.ExecutionThread.work(ExecutionThread.java:839)
at fuego.component.ExecutionThread.run(ExecutionThread.java:408)
Caused by: java.lang.NullPointerException
at oracle.InvokeJavaProcess.Default_1_0.Instance.CIL_interactiveJavaPrepare(Instance.xcdl:1)
at oracle.InvokeJavaProcess.Default_1_0.Instance.CIL_interactiveJavaPrepare(Instance.xcdl)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at fuego.component.ExecutionThreadContext.invokeMethod(ExecutionThreadContext.java:512)
... 34 more
Process exited with exit code 0.
----------------------------------------------------------------Hi Satinder,
This time I change something in the process.
1, the process still has 3 interactive activities: jcooperkeyin, tojava, Interactivejstein.
2, I create a BPMObject including amount (decimal, 2) , purpose
3, the main task of jcooperkeyin is a screenflow: set values to purpose and amount
4, tojava activity is external.
Prepare method name: tojavaprepare
method contents:
arg1.amount=var1.amount
arg1.purpose=var1.purpose
Commit method: tojavacommit
method contents:
var1.purpose=arg2.purpose
var1.amount=arg2.amount
5, I create an instance variable name var1 and its type is BPMObjec
6, the argument module is changed to out
7, I change the java prepare method code as you commend:
8, After I run the java prepare method, I get some new errors which as follow:
--------------------------code----------------------------------------------------
package getinstance;
import fuego.lang.Decimal;
import fuego.lang.DynamicObject;
import fuego.papi.Arguments;
import fuego.papi.CommunicationException;
import fuego.papi.InstanceInfo;
import fuego.papi.ProcessService;
import fuego.papi.ProcessServiceSession;
import fuego.papi.OperationException;
import java.math.BigDecimal;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
public class prepare {
public prepare() {
public static void main(String[] args) {
prepare prepare = new prepare();
Properties configuration = new Properties();
configuration.setProperty(ProcessService.DIRECTORY_ID, "default");
configuration.setProperty(ProcessService.DIRECTORY_PROPERTIES_FILE, "D:\\BPM_HOME_standalone\\webapps\\papiws\\WEB-INF\\directory.xml");
configuration.setProperty(ProcessService.WORKING_FOLDER, "/tmp");
System.out.println("1111111111111");
Arguments argumentsResult = Arguments.create();
String taskIn = "0";
String activity = "tojava";
//String activity = "jcooperkeyin";
String processId = "/InvokeJava2#Default-1.0";
//String instanceId = "/InvokeJava2#Default-1.0/281/0";
Arguments arguments = Arguments.create();
DynamicObject dyn = DynamicObject.create();
dyn.setField("amount", new BigDecimal(100.0));
dyn.setField("purpose", "---------");
arguments.putArgument("var1", dyn);
try {
ProcessService processService = ProcessService.create(configuration);
ProcessServiceSession session = processService.createSession("jcooper", "welcome1", "host");
String ist="ist";
for (InstanceInfo instance : session.processGetInstances(processId)) {
System.out.println(" instance.getId()-> " + instance.getId());
ist=instance.getId();
System.out.println(" activity.getActivityId()-> " +instance.getActivityId());
System.out.println(" activity.getActivityName()-> " +instance.getActivityName());
System.out.println("----------111----------------------");
argumentsResult = session.activityPrepare(activity, instance.getId(), arguments); //error starts from here
System.out.println("-----2222-----------");
DynamicObject obj = argumentsResult.getDynamicObject();
Map fieldMaps = obj.asFieldsMap();
for (Iterator<String> iterator = fieldMaps.keySet().iterator(); iterator.hasNext();) {
String key = iterator.next();
System.out.println("key : "+ key + "value" +obj.getField(key));
DynamicObject obj2 = argumentsResult.getDynamicObject();
Map fieldMaps2 = obj2.asFieldsMap();
for (Iterator<String> it = fieldMaps2.keySet().iterator(); it.hasNext();) {
System.out.println("key : "+ key + " value : "+ obj2.getField(key));
System.out.println("444444444");
session.close();
} catch (OperationException e) {
e.printStackTrace();
---------------------new error------------------------------------------------------
E:\Jdeveloper10131_20090318\jdk\bin\javaw.exe -client -classpath E:\Jdeveloper10131_20090318\jdev\mywork\Java_be_invoked\getInstance\classes;D:\BPM_HOME_standalone\client\papi\lib\fuegopapi-client.jar;D:\BPM_HOME_standalone\client\papi\lib\b1base.jar;D:\BPM_HOME_standalone\client\papi\lib\b1oracle.jar;D:\BPM_HOME_standalone\client\papi\lib\b1util.jar getinstance.prepare
1111111111111
Creating connector [fuego:SQL]
Creating ProcessService with id 'oracle/2009-03-31 18:08:47+08:00'.
Local folder /tmp\system\Schema3387192-1796619082\catalogs found.
Loading catalogs from local folder: /tmp\system\Schema3387192-1796619082\catalogs
1 jars found locally.
Local jar '181' succesfully loaded.
[CatalogMgrCache] =======================
Registering CatalogMgr [oracle/2009-03-31 18:08:47+08:00] ...CatalogManagerCache 14949315:
Managers:
Counters:
[CatalogMgrCache] =======================
CatalogMgr [oracle/2009-03-31 18:08:47+08:00] REGISTERED!CatalogManagerCache 14949315:
Managers:
{oracle/2009-03-31 18:08:47+08:00=fuego.util.LocalCatalogManager@1dacccc}
Counters:
ProcessService 'oracle/2009-03-31 18:08:47+08:00' created successfully.
Unreachable Engine Tolerance (seconds):
by default: 0
to be used: 0
This papi client will not cache exceptions which imply that an engine could not be reached.
instance.getId()-> /InvokeJava2#Default-1.0/281/0
Adding local catalog for project: 181
activity.getActivityId()-> /InvokeJava2#Default-1.0/tojava
activity.getActivityName()-> tojava
----------111----------------------
[CatalogLoaderMgrCache] =======================
CatalogClassLoader[oracle/2009-03-31 18:08:47+08:00-181] added to cache
Catalog ClassLoader MAP:
{oracle/2009-03-31 18:08:47+08:00-181=CatalogClassLoader(FuegoObjectCatalog(catalogIn: 181, directoryId: oracle/2009-03-31 18:08:47+08:00))}
Catalog Manager Cache:
CatalogManagerCache 14949315:
Managers:
{oracle/2009-03-31 18:08:47+08:00=fuego.util.LocalCatalogManager@1dacccc}
Counters:
{oracle/2009-03-31 18:08:47+08:00=1}
Processing the synchronization information, instance '181:281:0' was updated.
fuego.papi.OperationException: Operation exception.
at fuego.papi.OperationException.wrap(OperationException.java:65)
at fuego.papi.impl.ProcessInstanceOperation.prepareExternalActivity(ProcessInstanceOperation.java:706)
at fuego.papi.impl.ProcessServiceSessionImpl.activityPrepare(ProcessServiceSessionImpl.java:1420)
at fuego.papi.impl.ProcessServiceSessionImpl.activityPrepare(ProcessServiceSessionImpl.java:1414)
at getinstance.prepare.main(prepare.java:58)
Caused by: fuego.rmi.RMIRuntimeException: Fuego RMI: Failure during the invocation. Check the exception chain for details.
at fuego.rmi.RemoteProxy.processBatch(RemoteProxy.java:192)
at fuego.component.ExecutorClient.dispatch(ExecutorClient.java:190)
at fuego.component.CustomExecution.next(CustomExecution.java:247)
at fuego.papi.impl.rmi.RMIExecution.next(RMIExecution.java:109)
at fuego.papi.impl.ProcessInstanceOperation.prepareExternalActivity(ProcessInstanceOperation.java:695)
... 3 more
Caused by: fuego.rmi.spi.SerializationException: Unable to receive the message because of a serialization error.
at fuego.rmi.spi.BaseConnection.send(BaseConnection.java:105)
at fuego.rmi.ServerCluster.send(ServerCluster.java:210)
at fuego.rmi.ServerCluster.sendResult(ServerCluster.java:461)
at fuego.rmi.ServerCluster.access$300(ServerCluster.java:43)
at fuego.rmi.ServerCluster$ClientRequest$1.put(ServerCluster.java:556)
at fuego.component.ExecutionThread.sendResult(ExecutionThread.java:532)
at fuego.component.ExecutionThreadContext.doClientInvoke(ExecutionThreadContext.java:695)
at fuego.component.ClientRemoteComponent.doInvocation(ClientRemoteComponent.java:303)
at fuego.component.ClientRemoteComponent.invokeRelayTo(ClientRemoteComponent.java:211)
at fuego.component.ExecutionRelayedThrowable.execute(ExecutionRelayedThrowable.java:109)
at fuego.server.execution.TaskExecution.handleExecutionRelayedThrowable(TaskExecution.java:816)
at fuego.server.execution.TaskExecution.handleComponentExecutionException(TaskExecution.java:767)
at fuego.server.execution.TaskExecution.executeCIL(TaskExecution.java:516)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:697)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:657)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:154)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeNormalCil(InteractiveMicroActivity.java:501)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeItem(InteractiveMicroActivity.java:454)
at fuego.server.execution.microactivity.InteractiveMicroActivity.execute(InteractiveMicroActivity.java:104)
at fuego.server.AbstractProcessBean$48.execute(AbstractProcessBean.java:3184)
at fuego.server.execution.DefaultEngineExecution$AtomicExecutionTA.runTransaction(DefaultEngineExecution.java:304)
at fuego.transaction.TransactionAction.startBaseTransaction(TransactionAction.java:470)
at fuego.transaction.TransactionAction.startTransaction(TransactionAction.java:551)
at fuego.transaction.TransactionAction.start(TransactionAction.java:212)
at fuego.server.execution.DefaultEngineExecution.executeImmediate(DefaultEngineExecution.java:123)
at fuego.server.execution.EngineExecution.executeImmediate(EngineExecution.java:66)
at fuego.server.AbstractProcessBean.runTask(AbstractProcessBean.java:3188)
at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at fuego.lang.JavaClass.invokeMethod(JavaClass.java:1410)
at fuego.lang.JavaObject.invoke(JavaObject.java:227)
at fuego.component.Message.process(Message.java:585)
at fuego.component.ExecutionThread.processMessage(ExecutionThread.java:780)
at fuego.component.ExecutionThread.processBatch(ExecutionThread.java:755)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:142)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:134)
at fuego.fengine.FEngineProcessBean.processBatch(FEngineProcessBean.java:244)
at fuego.component.ExecutionThread.work(ExecutionThread.java:839)
at fuego.component.ExecutionThread.run(ExecutionThread.java:408)
... 8 more
Caused by: java.io.NotSerializableException: java.lang.Object
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at java.util.HashMap.writeObject(Unknown Source)
at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeArray(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at fuego.component.Message.writeObject(Message.java:653)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at fuego.component.Batch.writeObject(Batch.java:151)
at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at fuego.rmi.Packet.write(Packet.java:240)
at fuego.rmi.spi.BaseConnection.send(BaseConnection.java:102)
at fuego.rmi.ServerCluster.send(ServerCluster.java:210)
at fuego.rmi.ServerCluster.sendResult(ServerCluster.java:461)
at fuego.rmi.ServerCluster.access$300(ServerCluster.java:43)
at fuego.rmi.ServerCluster$ClientRequest$1.put(ServerCluster.java:556)
at fuego.component.ExecutionThread.sendResult(ExecutionThread.java:532)
at fuego.component.ExecutionThreadContext.doClientInvoke(ExecutionThreadContext.java:695)
at fuego.component.ClientRemoteComponent.doInvocation(ClientRemoteComponent.java:303)
at fuego.component.ClientRemoteComponent.invokeRelayTo(ClientRemoteComponent.java:211)
at fuego.component.ExecutionRelayedThrowable.execute(ExecutionRelayedThrowable.java:109)
at fuego.server.execution.TaskExecution.handleExecutionRelayedThrowable(TaskExecution.java:816)
at fuego.server.execution.TaskExecution.handleComponentExecutionException(TaskExecution.java:767)
at fuego.server.execution.TaskExecution.executeCIL(TaskExecution.java:516)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:697)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:657)
at fuego.server.execution.TaskExecution.executeTask(TaskExecution.java:154)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeNormalCil(InteractiveMicroActivity.java:501)
at fuego.server.execution.microactivity.InteractiveMicroActivity.executeItem(InteractiveMicroActivity.java:454)
at fuego.server.execution.microactivity.InteractiveMicroActivity.execute(InteractiveMicroActivity.java:104)
at fuego.server.AbstractProcessBean$48.execute(AbstractProcessBean.java:3184)
at fuego.server.execution.DefaultEngineExecution$AtomicExecutionTA.runTransaction(DefaultEngineExecution.java:304)
at fuego.transaction.TransactionAction.startBaseTransaction(TransactionAction.java:470)
at fuego.transaction.TransactionAction.startTransaction(TransactionAction.java:551)
at fuego.transaction.TransactionAction.start(TransactionAction.java:212)
at fuego.server.execution.DefaultEngineExecution.executeImmediate(DefaultEngineExecution.java:123)
at fuego.server.execution.EngineExecution.executeImmediate(EngineExecution.java:66)
at fuego.server.AbstractProcessBean.runTask(AbstractProcessBean.java:3188)
at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at fuego.lang.JavaClass.invokeMethod(JavaClass.java:1410)
at fuego.lang.JavaObject.invoke(JavaObject.java:227)
at fuego.component.Message.process(Message.java:585)
at fuego.component.ExecutionThread.processMessage(ExecutionThread.java:780)
at fuego.component.ExecutionThread.processBatch(ExecutionThread.java:755)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:142)
at fuego.component.ExecutionThread.doProcessBatch(ExecutionThread.java:134)
at fuego.fengine.FEngineProcessBean.processBatch(FEngineProcessBean.java:244)
at fuego.component.ExecutionThread.work(ExecutionThread.java:839)
at fuego.component.ExecutionThread.run(ExecutionThread.java:408)
Process exited with exit code 0. -
If I set the implementation of an interactivie activity to external, there is checkbox in the dialogue named configuration. Is it for OSB?
The checkbox is to specify whether or not to invoke the external application whose url is obtained using the configuration name selected in the drop down. These configuration names are specified beforehand in the 'External Resources' section of the project.
For example, you can set an external resource 'yahoo' as http://www.yahoo.com and then in your external activity you can check the checkbox and choose 'yahoo' as the configuration to use. WHen you execute this activity. yahoo.com would show up in your browser. -
Hi Experts
I'm reading SSIS book to learn SSIS. My background is also programming but never work with VB and C. In SSIS book there is a topic of Script Task and in this topic the author uses Script Task and use VB but it is so confusing but if somebody help me out
to give some example for Script Task that is commonly use then I really thankful to him.. Thanks in advance.
Regards
Muzsome example for Script Task that is commonly use then I really thankful to him..
Hello Muz,
Every ETL process is very individual (by my experiences) so it will be difficult to find a "commonly" used script example.
Olaf Helper
[ Blog] [ Xing] [ MVP] -
ACE GigE - external trigger - example needed
Hello,
I have a CVS-1457RT with a Basler ACE GigE cam - I am having issues when I try to use a hardware trigger for the camera (thru the I/O connection on the camera)
I've been trying for a few days now, so I decided it was time to ask here
- have anyone used a similar setup, meaning the camera with external trigger? (controller is not the issues) and would it be possible to share the acquisition VI's?
best regards,
HenrikHi Ehlert,
Sorry you are having problems getting this to work!
There are a few things to keep in mind when configuring the triggers....
You will need to enable the trigger on the Ace camera to trigger the specific event (Frame Start) that you want to occur on the specific trigger signal. You might want to consult the Ace user manual for the specifics of doing this, as they have quite a number of options for how the trigger can be configured. Are you using the 1457RT to send the signal to the camera? If so you will then need to configure the 1457RT to send an appropriate trigger. We have some Vision RIO examples that show how to do this. Keep in mind that you also may be experiencing a hardware setup issue. If you are using the isolated outputs on the CVS you will need to provide external power for the outputs to work. It is probably helpful to examine your physical trigger line with a scope and verify thaty the trigger signal is going when you expect, allowing you to isolate which end is not configured appropriately.
In general, assuming your trigger signal to the camera is working, setting the camera up for triggering is pretty simple:
-Set Trigger Selector to "Frame Start" (to set context for the other trigger features)
-Set Trigger Source to "Line1" (only option on Ace GigE)
-Set Trigger Mode to "On"
-Set other related features (rising/falling edge, delay, ...)
Eric -
I'm trying to use the implementation type "External" of interactive activities, but I'm having some difficulties. I don't understand how I make the client, also I don't know how the BPM engine knows whom to call.
Does anyone have any sample project that can send me?
Rodrigo ZuchettoHi Rodrigo
You can follow the following steps
In BPM
1. Under External Resource, create a new resource of type 'Server Configuration'. Specify your host, port and the servlet/jsp path.
2. For the main task of interactive activity, choose implementaion type as 'External'.
3. Create a prepare and commit method. Prepare method will be called from your servlet, and you can define arguments (as output args) that will be passed from BPM to your external java app
4. Commit method will be called from your java app, once you are done with the processing. You can define args (as input) here. These args will be set from java app when it calls this commit method.
In JavaApp
1. For the servlet you define in step 1 above, define a default handler and initialize a papi session here.
2. Call activityPrepare on this papisession, and get hold of the variables passed from step 3 above
3. Do your processing
4. Call activityCommit on the papisession and pass back the parameters
HTH
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