IllegalStateException: could not acquire lock
jasondlee Sep 12, 2007 12:26 PMIn another thread, which I'll update shortly, I've had trouble getting Seam (with the JSF 1.2 RI) running under oc4j 10.1.3. While I now have it reliably deploying and (mostly) running, I'm running into an odd problem. I have a page that displays a RichFaces tree from which the user selects an Item. Once the user clicks an Item, an Ajax request is made (via a4j) to update a section of the page with the Item information, allowing the user to edit it. This all works under GlassFish. Under oc4j, however, when I click on an Item, I get this error on the server:
Caused by: java.lang.IllegalStateException: could not acquire lock on @Synchronized component: iota at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:41) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:155) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:91) at gov.faa.ato.iota.web.IotaManagedBean_$$_javassist_0.getOrganization(IotaManagedBean_$$_javassist_0.java) 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 javax.el.BeanELResolver.getValue(BeanELResolver.java:292) at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:143) at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:73) at org.jboss.el.parser.AstPropertySuffix.getValue(AstPropertySuffix.java:53) at org.jboss.el.parser.AstValue.getValue(AstValue.java:67) at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) ... 36 more
For the record, the Seam code that causes that exception is
if ( lock.tryLock( getComponent().getTimeout(), TimeUnit.MILLISECONDS ) )
Any thoughts on what's going on?