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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9595) Transactions are not getting retried in case of database deadlock errors
Date Tue, 19 Dec 2017 18:39:00 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16297217#comment-16297217
] 

ASF GitHub Bot commented on CLOUDSTACK-9595:
--------------------------------------------

rhtyd commented on issue #1762: CLOUDSTACK-9595 Transactions are not getting retried in case
of datab…
URL: https://github.com/apache/cloudstack/pull/1762#issuecomment-352848141
 
 
   @yvsubhash I've left some additional remarks, please see them. After commit triaging, looks
like I made an error, and it seems the issue was not caused by this commit/PR. I found the
https://github.com/apache/cloudstack/pull/2304 to be an issue on KVM (in my branch this commit/pr
was also included causing incorrect nic dev ids to be assigned). I'll continue testing, but
do see my remarks and send another PR if you find further scope for improvements, thanks.
/cc @rafaelweingartner 

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> Transactions are not getting retried in case of database deadlock errors
> ------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9595
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9595
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.8.0
>            Reporter: subhash yedugundla
>             Fix For: 4.8.1
>
>
> Customer is seeing occasional error 'Deadlock found when trying to get lock; try restarting
transaction' messages in their management server logs.  It happens regularly at least once
a day.  The following is the error seen 
> 2015-12-09 19:23:19,450 ERROR [cloud.api.ApiServer] (catalina-exec-3:ctx-f05c58fc ctx-39c17156
ctx-7becdf6e) unhandled exception executing api command: [Ljava.lang.String;@230a6e7f
> com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@74f134e3:
DELETE FROM instance_group_vm_map WHERE instance_group_vm_map.instance_id = 941374
> 	at com.cloud.utils.db.GenericDaoBase.expunge(GenericDaoBase.java:1209)
> 	at sun.reflect.GeneratedMethodAccessor360.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
> 	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
> 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
> 	at com.cloud.utils.db.TransactionContextInterceptor.invoke(TransactionContextInterceptor.java:34)
> 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
> 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
> 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
> 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
> 	at com.sun.proxy.$Proxy237.expunge(Unknown Source)
> 	at com.cloud.vm.UserVmManagerImpl$2.doInTransactionWithoutResult(UserVmManagerImpl.java:2593)
> 	at com.cloud.utils.db.TransactionCallbackNoReturn.doInTransaction(TransactionCallbackNoReturn.java:25)
> 	at com.cloud.utils.db.Transaction$2.doInTransaction(Transaction.java:57)
> 	at com.cloud.utils.db.Transaction.execute(Transaction.java:45)
> 	at com.cloud.utils.db.Transaction.execute(Transaction.java:54)
> 	at com.cloud.vm.UserVmManagerImpl.addInstanceToGroup(UserVmManagerImpl.java:2575)
> 	at com.cloud.vm.UserVmManagerImpl.updateVirtualMachine(UserVmManagerImpl.java:2332)



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