This is an important error message. The problem is that the Entity Engine can't just create a transaction for these because it can't commit or rollback the transaction because the connection and ResultSet stay open until the EntityListIterator is closed, which is done by the code calling the EE and so the transaction must be managed outside the EE.
It is not correct that read only operations don't need a transaction. Part of the definition of transaction isolation definitely involves reading as well as writing.
-David On Dec 11, 2007, at 8:13 AM, Jacopo Cappellato wrote:
The following error is logged (even if the service works as expected) when the service "getInventoryAvailableByFacility" is called:======================================================================2007-12-11 15:54:57,906 (default-invoker-Thread-6) [ GenericDelegator.java:2031:ERROR] ---- exception report ---------------------------------------------------------- ERROR: Cannot do a find that returns an EntityListIterator with no transaction in place. Wrap this call in a transaction. Exception: java.lang.Exception Message: Stack Trace ---- stack trace --------------------------------------------------------------- java.lang.Exception: Stack Trace org.ofbiz.entity.GenericDelegator.find(GenericDelegator.java:2030) org .ofbiz .entity .GenericDelegator.findListIteratorByCondition(GenericDelegator.java: 2008) org.ofbiz.minilang.method.entityops.FindByAnd.exec(FindByAnd.java: 88) org.ofbiz.minilang.SimpleMethod.runSubOps(SimpleMethod.java:931) org.ofbiz.minilang.method.ifops.IfCompare.exec(IfCompare.java:121) org.ofbiz.minilang.SimpleMethod.runSubOps(SimpleMethod.java:931) org.ofbiz.minilang.SimpleMethod.exec(SimpleMethod.java:568) org.ofbiz.minilang.SimpleMethod.runSimpleMethod(SimpleMethod.java: 105) org.ofbiz.minilang.SimpleMethod.runSimpleService(SimpleMethod.java: 87) org .ofbiz .minilang .SimpleServiceEngine.serviceInvoker(SimpleServiceEngine.java:76) org .ofbiz.minilang.SimpleServiceEngine.runSync(SimpleServiceEngine.java: 51) org.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java: 375) org.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java: 208) org.ofbiz.service.GenericDispatcher.runSync(GenericDispatcher.java: 136)====================================================================== I think this is caused by the service definition that has: use-transaction="false" I've noticed that this flag has been set by Si in rev. r438286:"Turned off transactions for all the getInventory_ services -- they do not store anything and should not require them. Also added marketing package ATP/QOH to the getProductInventorySummaryForItems service which searches across all facilities"Is there a reason for setting this flag? Should we remove it? Or is the error a fake error that should be fixed instead?Jacopo
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