On Dec 8, 2010, at 10:41 AM, Calven Eggert wrote: > I still don't follow what you are saying. actually, I want to insert two > records at a time. I have a page that allows the user to insert records, but > I don't actually do the insert until the user clicks on the save button.
As in ec.insertObject()? That is violating EOF commandments for sure. > that's when I do the saving/inserting into the database. but then the > sequence numbers are incorrect for the second one. > > what is the other insert you are talking about? > > Still confused on what you are suggesting I do... What I am suggesting is that you DON'T violate EOF commandments. You are doing something that is corrupting the internal EOF state. Don't do that and it will work. Chuck > > > On 2010-12-08, at 1:24 PM, Chuck Hill wrote: > >> On Dec 8, 2010, at 10:20 AM, Calven Eggert wrote: >> >>> the second record is valid. I am indeed wanting to insert two records. so >>> why would the retrieving of the next sequence number return me a number not >>> in sequence? >> >> It is not. I am pretty sure that it is doing what I said. There is another >> (later) insert that you don't see due to the DB error. >> >> >> Chuck >> >> >> >>> On 2010-12-08, at 12:24 PM, Chuck Hill wrote: >>> >>>> >>>> On Dec 8, 2010, at 8:28 AM, Calven Eggert wrote: >>>> >>>>> Recently a WO app has been getting the unique constraint error when >>>>> creating a record. This application has been running for years and so >>>>> I'm surprised at this 'just' showing up. here is the problem: you'll >>>>> see in the following lines that an index is retrieved for jobs_notes_seq >>>>> twice because I'm inserting two records. next you'll see the insert >>>>> statements. look at the notesid field. >>>>> >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> === Begin Internal Transaction >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> evaluateExpression: >>>>> <com.webobjects.jdbcadaptor.OraclePlugIn$OracleExpression: "SELECT >>>>> JOBS_NOTES_SEQ.NEXTVAL FROM DUAL" withBindings: > >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> 1 row(s) processed >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> === Commit Internal Transaction >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> === Begin Internal Transaction >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> evaluateExpression: >>>>> <com.webobjects.jdbcadaptor.OraclePlugIn$OracleExpression: "SELECT >>>>> JOBS_NOTES_SEQ.NEXTVAL FROM DUAL" withBindings: > >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> 1 row(s) processed >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> === Commit Internal Transaction >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> === Begin Internal Transaction >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> evaluateExpression: >>>>> <com.webobjects.jdbcadaptor.OraclePlugIn$OracleExpression: "INSERT INTO >>>>> JOBS_NOTES(NOTES_SUBMITTED_BY, NOTES_HYPERLINK, NOTES_USER_VISIBLE, >>>>> NOTES_JOB_ID, NOTES_SUBMITTED_DATE, NOTES_DESCRIPTION, NOTES_ID, >>>>> NOTES_ATTACHMENT_NAME) VALUES (?, NULL, ?, ?, ?, ?, ?, ?)" withBindings: >>>>> 1:204(submittedby), 2:"N"(uservisible), 3:292(jobid), 4:2010-12-08 >>>>> 10:54:17(submitteddate), 5:"gg"(notesdescription), 6:922(notesid), >>>>> 7:"Overview.graffle"(attachmentname)> >>>>> [2010-12-8 10:54:32 EST] <WorkerThread1> evaluateExpression: >>>>> <com.webobjects.jdbcadaptor.OraclePlugIn$OracleExpression: "INSERT INTO >>>>> JOBS_NOTES(NOTES_SUBMITTED_BY, NOTES_HYPERLINK, NOTES_USER_VISIBLE, >>>>> NOTES_JOB_ID, NOTES_SUBMITTED_DATE, NOTES_DESCRIPTION, NOTES_ID, >>>>> NOTES_ATTACHMENT_NAME) VALUES (?, NULL, ?, ?, ?, ?, ?, ?)" withBindings: >>>>> 1:204(submittedby), 2:"N"(uservisible), 3:292(jobid), 4:2010-12-08 >>>>> 10:54:23(submitteddate), 5:"hh"(notesdescription), 6:56(notesid), >>>>> 7:"Overview.graffle"(attachmentname)> >>>>> [2010-12-8 10:54:33 EST] <WorkerThread1> === Rollback Internal >>>>> Transaction >>>>> >>>>> see how one is 922 and another is 56? 922 is correct but the 56 should >>>>> be 923. >>>> >>>> I don't think that is the problem. I think the problem is that the second >>>> was supposed to be an UPDATE or DELETE statement. This happens when you >>>> violate EOF commandments (not locking properly for example). EOF gets >>>> confused between one operation and another. >>>> >>>> Go forth and sin no more! >>>> >>>> Chuck >>>> >>>> >>>>> very strange. then when the records are committed, sometimes I get the >>>>> dreaded error message: >>>>> >>>>> com.webobjects.eoaccess.EOGeneralAdaptorException: EvaluateExpression >>>>> failed: <com.webobjects.jdbcadaptor.OraclePlugIn$OracleExpression: >>>>> "INSERT INTO JOBS_NOTES(NOTES_SUBMITTED_BY, NOTES_HYPERLINK, >>>>> NOTES_USER_VISIBLE, NOTES_JOB_ID, NOTES_SUBMITTED_DATE, >>>>> NOTES_DESCRIPTION, NOTES_ID, NOTES_ATTACHMENT_NAME) VALUES (?, NULL, ?, >>>>> ?, ?, ?, ?, ?)" withBindings: 1:204(submittedby), 2:"N"(uservisible), >>>>> 3:292(jobid), 4:2010-12-08 10:54:23(submitteddate), >>>>> 5:"hh"(notesdescription), 6:56(notesid), >>>>> 7:"Overview.graffle"(attachmentname)> >>>>> Next exception:SQL State:23000 -- error code: 1 -- msg: ORA-00001: unique >>>>> constraint (COREDEV3.SYS_C0031657) violated >>>>> >>>>> Obviously this is a problem because number 56 was already a record in the >>>>> table. Sometimes, there is no error message and the record is not even >>>>> created. And sometimes, when the index is correct the record is created >>>>> successfully. argh! >>>>> >>>>> Anyone have this problem before or know what I can do to solve this >>>>> mystery? (I've dropped the sequences and recreated them a couple of >>>>> times. but it doesn't solve the problem) >>>>> >>>>> Thanks for your time. >>>>> >>>>> Calven >>>>> >>>>> >>>>> _______________________________________________ >>>>> Do not post admin requests to the list. They will be ignored. >>>>> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >>>>> Help/Unsubscribe/Update your Subscription: >>>>> http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net >>>>> >>>>> This email sent to ch...@global-village.net >>>> >>>> -- >>>> Chuck Hill Senior Consultant / VP Development >>>> >>>> Practical WebObjects - for developers who want to increase their overall >>>> knowledge of WebObjects or who are trying to solve specific problems. >>>> http://www.global-village.net/products/practical_webobjects >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> >>> >> >> -- >> Chuck Hill Senior Consultant / VP Development >> >> Practical WebObjects - for developers who want to increase their overall >> knowledge of WebObjects or who are trying to solve specific problems. >> http://www.global-village.net/products/practical_webobjects >> >> >> >> >> >> >> > > -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects
smime.p7s
Description: S/MIME cryptographic signature
_______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
