Custom Method not working

I've a custom method implementing "com.documentum.mthdservlet.IDmMethod", running on DCTM 6..7 SP1 method server. The jar file is copied to dba/java_methods folder as well as DmMethods.war/WEB-INF/lib folder. I get the following error -

2012-06-08 16:01:09,161 INFO [STDOUT] (http-0.0.0.0-19080-1) 16:01:09,158 ERROR [http-0.0.0.0-19080-1] com.documentum.mthdservlet.DoMethod - Exception attempting to load module com.captiva.method.ExecuteWorkflowQueueItem.

DfServiceException:: THREAD: http-0.0.0.0-19080-1; MSG: [DFC_BOF_CANNOT_FIND_OBJECT] Business object com.captiva.method.ExecuteWorkflowQueueItem does not exist in docbase dd; ERRORCODE: ff; NEXT: null

at com.documentum.fc.client.impl.bof.registry.DocbaseModuleRegistry.lookup(DocbaseModuleRegistry.java:74)

at com.documentum.fc.client.impl.bof.classmgmt.ModuleManager.lookupModuleMetadata(ModuleManager.java:202)

at com.documentum.fc.client.impl.bof.classmgmt.ModuleManager.getModuleClass(ModuleManager.java:174)

at com.documentum.fc.client.impl.bof.classmgmt.ModuleManager.newModule(ModuleManager.java:134)

at com.documentum.fc.client.impl.bof.classmgmt.ModuleManager.newModule(ModuleManager.java:77)

at com.documentum.fc.client.impl.bof.classmgmt.ModuleManager.newModule(ModuleManager.java:51)

at com.documentum.fc.client.DfClient$ClientImpl.newModule(DfClient.java:450)

at com.documentum.mthdservlet.ModuleLoader.getMethodObject(Unknown Source)

at com.documentum.mthdservlet.DoMethod.getMethodObject(Unknown Source)

at com.documentum.mthdservlet.DoMethod.invokeMethod(Unknown Source)

at com.documentum.mthdservlet.DoMethod.doPost(Unknown Source)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)

at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)

at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)

at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

at java.lang.Thread.run(Thread.java:662)

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Accepted answers

lastnitescurry

suggest you take a read of:

http://www.google.ie/search?q=idf+method+vs+idmmethod

http://donr7n.wordpress.com/2008/10/20/methods-as-bof-modules

https://community.emc.com/message/15636

https://community.emc.com/thread/98956

and this will give you sample code but update it to use IDfMethod

https://developer-content.emc.com/developer/Articles/WritingJavaServerWorkflowMethodsPart1.html

All comments

Imran_Yusubov

1. Export your classes as jar file,

2. Create jar definition for them and then

3. Create a standard module and add the required jar files into it, select the implementation classes.

Deploy the module to your docbase, and then clean up your method server cache and restart it. For making sure that the classes are downloaded from the docbase, after restarting the method srever go to the cache folder again, and extract all of the jar files with winrar. Then check if your custom classes were loaded. And if you have configured everything properly they should be downloaded.

If the classes there, then proceed next steps.

Imran_Yusubov

Also I do remember reading that there is a bug in 6.7 sp1, because of it the classes located in java_methods folder are not loaded. See the documentation of patches released after 6.7 sp1.

PK4D

Just wondering - you might need the Process Engine to be installed in the docbase dd.

mpandit

So, I implemented my method class to implement IDfMethod and IDfModule. And created a standard module. I restarted the docbase and jboss, but I still get the same error. Before restarting I'd cleared the cache, but now I don't see anything under it -

/home/dmadmin/share/6.7/jboss5.1.0/server/documentum/cache

$ ls -lrt

total 0

Any idea?