[jBPM Development] - How to unlock a token locked by a job
by bpelUser
Hi, We are working in JBPM JPDL3.2.2. While signalling the handler class (ActionHandler/DecisionHandler) we are getting the following error. ERROR [STDERR] org.jbpm.JbpmException: 'token[613]' can't unlock token '613' because it was already locked by 'job[645]' 17:42:46,124 ERROR [STDERR] at org.jbpm.graph.exe.Token.unlock(Token.java:660) 17:42:46,124 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 17:42:46,124 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 17:42:46,124 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 17:42:46,124 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:597) 17:42:46,124 ERROR [STDERR] at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:157) 17:42:46,124 ERROR [STDERR] at org.jbpm.graph.exe.Token$$EnhancerByCGLIB$$ebef92e3.unlock() 17:42:46,125 ERROR [STDERR] at com.tcs.cdr.process.JBPMUtil.signalProcess(JBPMUtil.java:479) Any help would be appreciated. Thanks
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16 years, 5 months
[Management Development] - jboss-admin-rest
by cvasilak
Hi there,
over the last couple of weeks I have been working on a small project(in my free time) to provide RESTful access to some common management/metrics tasks for JBoss(currently tested on 5.1.0.GA). An early access build can be found on the project web site http://code.google.com/p/jboss-admin-rest/ just copy "jboss-admin-rest-1.0-SNAPSHOT.war" to your jboss deploy directory and off you go.
The interface allows for remote deployment of artifacts(war, ear, etc) and components (DataSource, ConnectionFactory etc) as well as inspecting(where appropriate) some useful metrics. Full information is provided for WAR, DataSource and EAR, for other types of deployments we just display some basic info. Further, access to server logs and general server information is provided. XML representation is returned(we have partial support for JSON) for the inspection. I suggest you use firefox/ie that they have built-in support for displaying xml.
I tried to comply with rest principles e.g. posting a new artifact results in "201 Created", undeployment results in "200 OK", artifact not found results in "404 Not Found" etc but we still need some work if we want to be fully compliant. There is doc.txt file that contains a TODO list on what we want to provide. On the project's web site you can find a list of all supported operations with their respective urls.
The project uses JBoss RESTEasy JAX-RS implementation(of course ;) and the new Management API's introduced in JBoss 5. Information on how things work on the management api, was extracted from the jboss-as-5 jopr/embjopr plugin as well as the unit tests in http://anonsvn.jboss.org/repos/jbossas/branches/Branch_5_x/testsuite/src/.... Further we are maven based so you can easily compile/install (hopefully ;). I use jdk 1.6 as my primary jdk for development. If you want to run it jdk1.5 remove the "exclusions" from the pom file. These are the activation and jaxb api's that they already come with jdk 1.6.
In the subversion repository(trunk) there is a folder "testapps" that contains some deployment artifacts(war, ear, datasource, ejb3) that were used for testing. You can use them to play around. Information on how can you access the svn repository is provided in http://code.google.com/p/jboss-admin-rest/source/checkout. They also provide web-based browsing of source code.
As a final note, keep in mind that I am newcomer both in JAX-RS, JAXB and management api's so don't expect to have come up with the "best" solution. But I am willing to learn and I would be glad if I can have feedback so that I can improve this work.
Document, explain, blog, experiment, test-drive, have fun and spread the word :-)
Regards,
Christos
P.S I hope developers excuse me for using "org.jboss.admin.rest" package name. If there is any problem using it I can rename it.
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16 years, 5 months