shark error

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Hi,everyone:
	I have a program using shark workflow and deployed the program to
Tomcat Server.when user A login the system and create a process,user B login
the system and receive the task and commit activity , everything is ok.if I
deployed the program to weblogic server ,user A login the system and create
a process,user B login the system and receive the task ,when he commit
activity , shark throw exception:

2011-01-11 04:40:18,209: JavaScriptEvaluator -> The result of expression
kz==tru
e can't be evaluated - error
message=org.mozilla.javascript.Context.toType(Ljava
/lang/Object;Ljava/lang/Class;)Ljava/lang/Object;
2011-01-11 04:40:18,209: JavaScriptEvaluator -> The result of expression
kz==tru
e can't be evaluated - error
message=org.mozilla.javascript.Context.toType(Ljava
/lang/Object;Ljava/lang/Class;)Ljava/lang/Object;
java.lang.NoSuchMethodError:
org.mozilla.javascript.Context.toType(Ljava/lang/Ob
ject;Ljava/lang/Class;)Ljava/lang/Object;
        at
org.enhydra.shark.scripting.JavaScriptEvaluator.evaluateExpression(Ja
vaScriptEvaluator.java:84)
        at
org.enhydra.shark.scripting.JavaScriptEvaluator.evaluateCondition(Jav
aScriptEvaluator.java:44)
        at
org.enhydra.shark.WfProcessImpl.getTransFrom(WfProcessImpl.java:1334)

        at
org.enhydra.shark.WfProcessImpl.queueNext(WfProcessImpl.java:1057)
        at org.enhydra.shark.WfProcessImpl.run(WfProcessImpl.java:751)
        at
org.enhydra.shark.WfProcessImpl.activity_complete(WfProcessImpl.java:
972)
        at org.enhydra.shark.WfActivityImpl.finish(WfActivityImpl.java:443)
        at
org.enhydra.shark.WfActivityImpl.complete(WfActivityImpl.java:368)
        at
org.enhydra.shark.SharkUtilities.changeActivityState(SharkUtilities.j
ava:1979)
        at
org.enhydra.shark.WfActivityWrapper.change_state(WfActivityWrapper.ja
va:384)
        at com.code.SharkWfUtils.setActivity(SharkWfUtils.java:430)
        at com.servlet.wfServlet.doGet(wfServlet.java:459)
        at com.servlet.wfServlet.doPost(wfServlet.java:521)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run
(StubSecurityHelper.java:225)
        at
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecuri
tyHelper.java:127)
        at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:283)
        at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:175)
        at
weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:3214)
        at
weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
        at
weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
121)
        at
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppS
ervletContext.java:1983)
        at
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletC
ontext.java:1890)
        at
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.j
ava:1344)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
org.enhydra.shark.api.RootException: Result cannot be evaluated
        at
org.enhydra.shark.scripting.JavaScriptEvaluator.evaluateExpression(Ja
vaScriptEvaluator.java:107)
        at
org.enhydra.shark.scripting.JavaScriptEvaluator.evaluateCondition(Jav
aScriptEvaluator.java:44)
        at
org.enhydra.shark.WfProcessImpl.getTransFrom(WfProcessImpl.java:1334)

        at
org.enhydra.shark.WfProcessImpl.queueNext(WfProcessImpl.java:1057)
        at org.enhydra.shark.WfProcessImpl.run(WfProcessImpl.java:751)
        at
org.enhydra.shark.WfProcessImpl.activity_complete(WfProcessImpl.java:
972)
        at org.enhydra.shark.WfActivityImpl.finish(WfActivityImpl.java:443)
        at
org.enhydra.shark.WfActivityImpl.complete(WfActivityImpl.java:368)
        at
org.enhydra.shark.SharkUtilities.changeActivityState(SharkUtilities.j
ava:1979)
        at
org.enhydra.shark.WfActivityWrapper.change_state(WfActivityWrapper.ja
va:384)
        at com.code.SharkWfUtils.setActivity(SharkWfUtils.java:430)
        at com.servlet.wfServlet.doGet(wfServlet.java:459)
        at com.servlet.wfServlet.doPost(wfServlet.java:521)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run
(StubSecurityHelper.java:225)
        at
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecuri
tyHelper.java:127)
        at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:283)
        at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:175)
        at
weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:3214)
        at
weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
        at
weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
121)
        at
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppS
ervletContext.java:1983)
        at
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletC
ontext.java:1890)
        at
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.j
ava:1344)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
Caused by: java.lang.NoSuchMethodError:
org.mozilla.javascript.Context.toType(Lj
ava/lang/Object;Ljava/lang/Class;)Ljava/lang/Object;
        at
org.enhydra.shark.scripting.JavaScriptEvaluator.evaluateExpression(Ja
vaScriptEvaluator.java:84)





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