Dear all I have a production environment of CloudStack 4.3.0 build from 4.3.0 branch source code and encountered an exception like [1]. I suspect that this is caused by a bug of CLOUDSTACK-6236 because a patch isn't applied to CloudStack 4.3.0 branch.
(1) If my suspect is correct, a database is probably in inconsistent state and need to be repaired. Then, would you tell me how to fix the database if you know it? (2) Please cherry-pick a patch of CLOUDSTACK-6236 to 4.3.0 branch. (3) setRefCnt method is modified in VolumeDataStoreVO.java by the patch of CLOUDSTACK-6236 but is this a mistake of decrRefCnt method below it in [2]? If the assumption is right, the bug fix is incomplete. Would you please review a patch that fixes the issue written by my co-worker below [3]? Best Regards [1]: exception example 2014-06-23 17:29:46,384 DEBUG [o.a.c.s.m.AncientDataMotionStrategy] (Job-Executor-57:ctx-d0af85f8 ctx-4b2c5b2b) copy object failed: com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@64be8bcb: SELECT template_store_ref.id, template_store_ref.store_id, template_store_ref.template_id, template_store_ref.store_role, template_store_ref.created, template_store_ref.last_updated, template_store_ref.download_pct, template_store_ref.size, template_store_ref.physical_size, template_store_ref.download_state, template_store_ref.local_path, template_store_ref.error_str, template_store_ref.job_id, template_store_ref.install_path, template_store_ref.url, template_store_ref.is_copy, template_store_ref.destroyed, template_store_ref.update_count, template_store_ref.updated, template_store_ref.state, template_store_ref.ref_cnt FROM template_store_ref WHERE template_store_ref.store_id = 1 AND template_store_ref.template_id = 245 AND template_store_ref.destroyed = 0 ORDER BY RAND() LIMIT 1 at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:421) at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:356) at com.cloud.utils.db.GenericDaoBase.findOneIncludingRemovedBy(GenericDaoBase.java:869) at org.apache.cloudstack.storage.image.db.TemplateDataStoreDaoImpl.findByStoreTemplate(TemplateDataStoreDaoImpl.java:320) at sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:622) 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:33) 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.$Proxy109.findByStoreTemplate(Unknown Source) at org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl.findObject(ObjectInDataStoreManagerImpl.java:347) at org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl.findObject(ObjectInDataStoreManagerImpl.java:338) at org.apache.cloudstack.storage.cache.manager.StorageCacheManagerImpl.createCacheObject(StorageCacheManagerImpl.java:219) at org.apache.cloudstack.storage.cache.manager.StorageCacheManagerImpl.createCacheObject(StorageCacheManagerImpl.java:267) at org.apache.cloudstack.storage.motion.AncientDataMotionStrategy.copyObject(AncientDataMotionStrategy.java:165) at org.apache.cloudstack.storage.motion.AncientDataMotionStrategy.copyAsync(AncientDataMotionStrategy.java:428) at org.apache.cloudstack.storage.motion.DataMotionServiceImpl.copyAsync(DataMotionServiceImpl.java:70) at org.apache.cloudstack.storage.volume.VolumeServiceImpl.createBaseImageAsync(VolumeServiceImpl.java:473) at org.apache.cloudstack.storage.volume.VolumeServiceImpl.createVolumeFromTemplateAsync(VolumeServiceImpl.java:604) at org.apache.cloudstack.engine.orchestration.VolumeOrchestrator.recreateVolume(VolumeOrchestrator.java:1192) at org.apache.cloudstack.engine.orchestration.VolumeOrchestrator.prepare(VolumeOrchestrator.java:1256) at com.cloud.vm.VirtualMachineManagerImpl.orchestrateStart(VirtualMachineManagerImpl.java:962) at com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:761) at com.cloud.vm.VirtualMachineManagerImpl.start(VirtualMachineManagerImpl.java:601) at org.apache.cloudstack.engine.cloud.entity.api.VMEntityManagerImpl.deployVirtualMachine(VMEntityManagerImpl.java:237) at org.apache.cloudstack.engine.cloud.entity.api.VirtualMachineEntityImpl.deploy(VirtualMachineEntityImpl.java:207) at com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:3554) at com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:3161) at com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:3147) at sun.reflect.GeneratedMethodAccessor499.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:622) 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.event.ActionEventInterceptor.invoke(ActionEventInterceptor.java:50) 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.$Proxy170.startVirtualMachine(Unknown Source) at org.apache.cloudstack.api.command.user.vm.DeployVMCmd.execute(DeployVMCmd.java:443) at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161) at com.cloud.api.ApiAsyncJobDispatcher.runJobInContext(ApiAsyncJobDispatcher.java:109) at com.cloud.api.ApiAsyncJobDispatcher$1.run(ApiAsyncJobDispatcher.java:66) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:63) at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:509) at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:701) Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLDataException: '18446744073709551615' in column '21' is outside valid range for the datatype BIGINT. at sun.reflect.GeneratedConstructorAccessor468.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:534) at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) at com.mysql.jdbc.Util.getInstance(Util.java:386) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1026) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927) at com.mysql.jdbc.ResultSetImpl.throwRangeException(ResultSetImpl.java:7964) at com.mysql.jdbc.ResultSetImpl.parseLongAsDouble(ResultSetImpl.java:7248) at com.mysql.jdbc.ResultSetImpl.getLong(ResultSetImpl.java:2946) at com.mysql.jdbc.ResultSetImpl.getLong(ResultSetImpl.java:2911) at org.apache.commons.dbcp.DelegatingResultSet.getLong(DelegatingResultSet.java:228) at org.apache.commons.dbcp.DelegatingResultSet.getLong(DelegatingResultSet.java:228) at com.cloud.utils.db.GenericDaoBase.setField(GenericDaoBase.java:541) at com.cloud.utils.db.GenericDaoBase.setField(GenericDaoBase.java:1702) at com.cloud.utils.db.GenericDaoBase.toEntityBean(GenericDaoBase.java:1582) at com.cloud.utils.db.GenericDaoBase.toEntityBean(GenericDaoBase.java:1543) at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:417) ... 66 more [2]: <master> engine/schema/src/org/apache/cloudstack/storage/datastore/db/VolumeDataStoreVO.java 352 public void setRefCnt(Long refCnt) { 353 if (refCnt > 0) { 354 refCnt--; 355 } 356 else { 357 s_logger.warn("We should not try to decrement a zero reference count even though our code has guarded"); 358 } 359 } 360 361 public void incrRefCnt() { 362 refCnt++; 363 } 364 365 public void decrRefCnt() { 366 refCnt--; 367 } [3]: https://reviews.apache.org/r/22925/ -- Hiroki Ohashi