BeginRequest on previously used DataControls (for Oracle guys/Steve Muench)
Hi,
We are using JDeveloper 10g (10.1.2.1.0) and ADF BC+JSP in our application.
In our developer team, in tuning tasks we have detected, that all DataControls that were been used be the user in the past (same session) are activated each request (beginRequest) that user realizes, activated and taking an AM out of the pool and maybe this AM not will be used in this request, and maybe neither in any other future request from the user. Then we have that each AM that were used in the past by the user, must will be activated/passivated if pool is small size limited or pool must will be oversized (server big load situations).
When the user ends using this AM, we call its resetState method, like is recommended by Steve Muench at
Re: application modules and a logoff event (for Steve Muench)
but the next ones user requests will make the ADFBindingFilter call beginRequest on all previous AM anyway. Seems that initially the user BindingContext contains references to DataControls (DCDataControlReference) but when the user uses/gets an DataControl its reference is replaced with the real DataControl instance (DCJboDataControl), and seems that DCJboDataControl.beginRequest, gets an AM instance out of pool, I think that this will make that the AM will not be expired/cleared by the PoolMonitor.
We have hard coded a test in our application that seems to work with the normal ADF and application lifecycle (but I don't like this test too much, too much low level coding), basically the DataControl is replaced by its reference when the user ends using it.
And now the questions. Is it a normal situation? Why we must suppouse that all the AM/DataControl previously used by the user will be used in the current request? There's a normal way to do this, maybe a method that when the DataControl is marked with a flag releases it till the next time user needs it (I'd try release(int) and it didn't works in this way)? Any suggestions/explanations about this?
Comments will be very well received. Thanks in advanced.
Hi Steve,
firstly, thank you very much for your so fast answer.
Ok, I'll open a TAR in metalink. I've searched for the bug# 4566186 in metalink, but I didn't found nothing in metalink for this bug number.
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try {
result.setTime(UtilDate.getDate(redl[1].toString(),dateFormat,custLocale));
} catch (NullPointerException e2) {
result.setTime(null);
e2.printStackTrace();
result.setReason(Integer.parseInt(redl[2].toString()));
result.setSource(redl[3].toString());
Struct opReturnStruct = (Struct)redlRo[1];
Object[] opReturn = opReturnStruct.getAttributes();
result.setResultCode(Integer.parseInt(opReturn[0].toString()));
result.setResultDescription(opReturn[1].toString());Any idea will be appreciated.
Thanks.......Hi,
I don't think it is a java problem.You can see time and number types because the characters are digits. My guess is that it has something to do with some settings on the client. Try to have the NLS_LANG environment variable appropriately set. Also try invoking your test script from sqlplus to see if the results actually work.
Kiros
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