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https://issues.apache.org/jira/browse/OFBIZ-11204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gil Portenseigne closed OFBIZ-11204.
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Fix Version/s: Trunk
Resolution: Fixed
Commited in trunk r1868942
> Remove unwanted error log by `ServiceSemaphore` waiting process
> ---------------------------------------------------------------
>
> Key: OFBIZ-11204
> URL: https://issues.apache.org/jira/browse/OFBIZ-11204
> Project: OFBiz
> Issue Type: Improvement
> Components: framework
> Affects Versions: Trunk
> Reporter: Gil Portenseigne
> Assignee: Gil Portenseigne
> Priority: Minor
> Fix For: Trunk
>
> Attachments: OFBIZ-11204.patch, OFBIZ-11204.patch
>
>
> When a lot of semaphore configured service instances are running in a short
> period, multiple errors of this type are logged :
> {code:none}
> // | 2019-09-19 14:47:44.000 | 2019-09-19 16:47:44,692 |OFBiz-JobQueue-2
> |GenericDelegator |E| Failure in create operation for entity
> [ServiceSemaphore]: org.apache.ofbiz.entity.GenericEntityException: Error
> while inserting: [GenericEntity:ServiceSemaphore][createdStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][createdTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lockThread,OFBiz-JobQueue-2(java.lang.String)][lockTime,2019-09-19
>
> 16:47:44.676(java.sql.Timestamp)][lockedByInstanceId,emb-ofbiz-prd-technical-asg-20171209-01-eu-west-1b(java.lang.String)][serviceName,xxx(java.lang.String)]
> (SQL Exception while executing the following:INSERT INTO
> public.SERVICE_SEMAPHORE (SERVICE_NAME, LOCKED_BY_INSTANCE_ID, LOCK_THREAD,
> LOCK_TIME, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
> CREATED_TX_STAMP) VALUES (?, ?, ?, ?, ?, ?, ?, ?) (ERROR: duplicate key value
> violates unique constraint "pk_service_semaphore" Detail: Key
> (service_name)=(xxx) already exists.)). Rolling back transaction.
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> | 2019-09-19 14:47:44.000 | 2019-09-19 16:47:44,692 |OFBiz-JobQueue-2
> |ServiceSemaphore |E| null
> |
> | 2019-09-19 14:47:44.000 | org.apache.ofbiz.entity.GenericEntityException:
> org.apache.ofbiz.entity.GenericEntityException: Error while inserting:
> [GenericEntity:ServiceSemaphore][createdStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][createdTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lockThread,OFBiz-JobQueue-2(java.lang.String)][lockTime,2019-09-19
>
> 16:47:44.676(java.sql.Timestamp)][lockedByInstanceId,emb-ofbiz-prd-technical-asg-20171209-01-eu-west-1b(java.lang.String)][serviceName,xxx(java.lang.String)]
> (SQL Exception while executing the following:INSERT INTO
> public.SERVICE_SEMAPHORE (SERVICE_NAME, LOCKED_BY_INSTANCE_ID, LOCK_THREAD,
> LOCK_TIME, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
> CREATED_TX_STAMP) VALUES (?, ?, ?, ?, ?, ?, ?, ?) (ERROR: duplicate key value
> violates unique constraint "pk_service_semaphore" Detail: Key
> (service_name)=(xxx) already exists.)) (Error while inserting:
> [GenericEntity:ServiceSemaphore][createdStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][createdTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lastUpdatedTxStamp,2019-09-19
> 16:47:44.678(java.sql.Timestamp)][lockThread,OFBiz-JobQueue-2(java.lang.String)][lockTime,2019-09-19
>
> 16:47:44.676(java.sql.Timestamp)][lockedByInstanceId,emb-ofbiz-prd-technical-asg-20171209-01-eu-west-1b(java.lang.String)][serviceName,xxx(java.lang.String)]
> (SQL Exception while executing the following:INSERT INTO
> public.SERVICE_SEMAPHORE (SERVICE_NAME, LOCKED_BY_INSTANCE_ID, LOCK_THREAD,
> LOCK_TIME, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
> CREATED_TX_STAMP) VALUES (?, ?, ?, ?, ?, ?, ?, ?) (ERROR: duplicate key value
> violates unique constraint "pk_service_semaphore" Detail: Key
> (service_name)=(xxx) already exists.))) at
> org.apache.ofbiz.entity.GenericDelegator.create(GenericDelegator.java:896)
> ~[ofbiz.jar:?] at
> org.apache.ofbiz.entity.GenericValue.create(GenericValue.java:76)
> ~[ofbiz.jar:?] at
> org.apache.ofbiz.service.semaphore.ServiceSemaphore.dbWrite(ServiceSemaphore.java:172)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.semaphore.ServiceSemaphore.checkLockNeedToWait(ServiceSemaphore.java:137)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.semaphore.ServiceSemaphore.acquire(ServiceSemaphore.java:70)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:284)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70)
> [ofbiz.jar:?] at
> org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87)
> [ofbiz.jar:?] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [?:1.8.0_222] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [?:1.8.0_222] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222] |
> {code}
> With lot of activity this can spam the logs reducing visibility of real
> errors in production logs.
> For this, i proposed to add a last check within the synchronized method
> before inserting the lock, on which the fk constraint error is thrown.
> This avoiding the error, if no other method in OFBiz insert data in
> `ServiceSemaphore` table...
> A second patch is provided to add javadoc and trivial refoctoring
>
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