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### Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: cannot execute UPDATE in a read-only transaction ### The error may involve org.activiti.engine.impl.persistence.entity.VariableInstanceEntity.updateByteArray_postgres-Inline ### The error occurred while setting parameters ### Cause: org.postgresql.util.PSQLException: ERROR: cannot execute UPDATE in a read-only transaction at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:8) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:120) at org.activiti.engine.impl.db.DbSqlSession.flushUpdates(DbSqlSession.java:646) at org.activiti.engine.impl.db.DbSqlSession.flush(DbSqlSession.java:458) at org.activiti.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:169) at org.activiti.engine.impl.interceptor.CommandContext.close(CommandContext.java:116) at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:70) at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130) at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40) at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31) at org.activiti.engine.impl.TaskServiceImpl.getVariables(TaskServiceImpl.java:199) at org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter.getTaskProperties(ActivitiPropertyConverter.java:122) at org.alfresco.repo.workflow.activiti.ActivitiTypeConverter.getTaskProperties(ActivitiTypeConverter.java:485) at org.alfresco.service.cmr.workflow.LazyActivitiWorkflowTask.ensureProperties(LazyActivitiWorkflowTask.java:131) at org.alfresco.service.cmr.workflow.LazyActivitiWorkflowTask$LazyPropertiesMap.get(LazyActivitiWorkflowTask.java:212) at org.alfresco.service.cmr.workflow.LazyActivitiWorkflowTask$LazyPropertiesMap.get(LazyActivitiWorkflowTask.java:150) at org.alfresco.repo.web.scripts.workflow.WorkflowModelBuilder.isPooled(WorkflowModelBuilder.java:404) at org.alfresco.repo.web.scripts.workflow.WorkflowModelBuilder.buildSimple(WorkflowModelBuilder.java:196) at org.alfresco.repo.web.scripts.workflow.TaskInstancesGet.buildModel(TaskInstancesGet.java:187) at org.alfresco.repo.web.scripts.workflow.AbstractWorkflowWebscript.executeImpl(AbstractWorkflowWebscript.java:81) at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:64) … 32 more Caused by: org.postgresql.util.PSQLException: ERROR: cannot execute UPDATE in a read-only transaction at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2161) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1890) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:559) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:417) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:410) at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172) at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172) at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172) at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:22) at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:51) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:29) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:87) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:46) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:118) … 52 more