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While opening the confluence server migration Assistant the below error.
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Oops - an error has occurred
A system error has occurred — our apologies!
For immediate troubleshooting, consult our knowledge base for a solution.
If you would like to receive support from Atlassian's support team, ask your Confluence administrator to create a support issue on Atlassian's support system with the following information:
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We will respond as promptly as possible.
Thank you!
Cause
org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getInitialState' in class com.atlassian.migration.agent.web.AppAction threw exception com.atlassian.util.concurrent.LazyReference$InitializationException: javax.persistence.PersistenceException: Failed to update database schema at /templates/app.vm[line 21, column 44]
at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:223)
caused by: com.atlassian.util.concurrent.LazyReference$InitializationException: javax.persistence.PersistenceException: Failed to update database schema
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:149)
caused by: javax.persistence.PersistenceException: Failed to update database schema
at com.atlassian.migration.agent.store.jpa.impl.LiquibaseSchemaUpgrader.upgrade(LiquibaseSchemaUpgrader.java:35)
caused by: liquibase.exception.LockException: Could not acquire change log lock. Currently locked by 172.31.214.58 (172.31.214.58) since 1/23/20 3:17 PM
at liquibase.lockservice.StandardLockService.waitForLock(StandardLockService.java:230)
Hi @Sunil kumar ,
please could you provide us information about DB linked to your instance. This issue usually happens with H2 embedded database.
Take a look here https://community.atlassian.com/t5/Confluence-questions/Atlassian-Cloud-Migration-Assistance-is-giving-error-while/qaq-p/1196608
Fabio
Hi @Fabio Racobaldo _Herzum_ ,
Please find the below details of the DB linked -
Database name - PostgreSQL
Database version - 9.6.23
Database Dialect - com.atlassian.confluence.impl.hibernate.dialect.PostgreSQLDialect
Database Driver Name - org.postgresql.Driver
Database Driver Version - 42.1.1
Database Connection URL - jdbc:postgresql://localhost:5432/confluence
Database Connection Transaction Isolation - Read committed
Database Latency - 1
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@Fabio Racobaldo _Herzum_ , Did you get any chance to look in the issue , awating for your response.
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