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Bug
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Resolution: Fixed
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High
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CCMA - 3.3.12, CCMA - 3.3.13
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None
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12
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Severity 3 - Minor
Issue Summary
This is reproducible on Data Center: No
Steps to Reproduce
Migrate spaces using CCMA to cloud in a server to cloud migration
Expected Results
Migration should be successful
Actual Results
Dashboard shows an error as
Content is not allowed in prolog
The below exception is thrown in the import logs
stack: com.atlassian.confluence.importexport.v2.ImportExportException: org.basex.core.BaseXException: "aaaaaaaaaaaaa-db.xml" (Line 1): Content is not allowed in prolog. com.atlassian.confluence.importexport.v2.xml.ImportXmlDataExtractor.initialize(ImportXmlDataExtractor.java:151) com.atlassian.confluence.importexport.v2.space.ImportSpaceProcessor.processImport(ImportSpaceProcessor.java:194) com.atlassian.confluence.importexport.v2.space.ImportSpaceProcessor.processImport(ImportSpaceProcessor.java:98) com.atlassian.confluence.importexport.v2.ImportTaskRunner.processImport(ImportTaskRunner.java:190) com.atlassian.confluence.importexport.v2.ImportTaskRunner.lambda$runTaskInternal$0(ImportTaskRunner.java:126) com.atlassian.confluence.importexport.v2.ImportTaskRunner.withHeartbeat(ImportTaskRunner.java:112) com.atlassian.confluence.importexport.v2.ImportTaskRunner.lambda$runTaskInternal$1(ImportTaskRunner.java:127) com.atlassian.confluence.core.flags.ImportRunningThreadLocalFlag.executeCallable(ImportRunningThreadLocalFlag.java:32) com.atlassian.confluence.importexport.v2.ImportTaskRunner.withLocalFlag(ImportTaskRunner.java:118) com.atlassian.confluence.importexport.v2.ImportTaskRunner.lambda$runTaskInternal$2(ImportTaskRunner.java:128) com.atlassian.confluence.importexport.v2.ImportTaskRunner.withMetrics(ImportTaskRunner.java:90) com.atlassian.confluence.importexport.v2.ImportTaskRunner.runTaskInternal(ImportTaskRunner.java:129) com.atlassian.confluence.importexport.v2.space.ImportSpaceTaskRunner.runTask(ImportSpaceTaskRunner.java:58) com.atlassian.progress.amq.TaskProcessor.accept(TaskProcessor.java:67) com.atlassian.progress.amq.TaskProcessor.accept(TaskProcessor.java:23) com.atlassian.progress.amq.ConcurrencyControlTaskProcessor.accept(ConcurrencyControlTaskProcessor.java:68) com.atlassian.progress.amq.ConcurrencyControlTaskProcessor.accept(ConcurrencyControlTaskProcessor.java:19) com.atlassian.progress.amq.ProgressAwareMessageRunner.processMessage(ProgressAwareMessageRunner.java:55) com.atlassian.confluence.impl.messagequeue.VCacheMessageRunner.lambda$processMessage$0(VCacheMessageRunner.java:21) com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$doInRequestContext$0(VCacheRequestContextOperations.java:49) com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:89) com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:79) com.atlassian.confluence.vcache.VCacheRequestContextOperations.doInRequestContext(VCacheRequestContextOperations.java:48) com.atlassian.confluence.impl.messagequeue.VCacheMessageRunner.processMessage(VCacheMessageRunner.java:20) com.atlassian.confluence.util.zipkin.impl.ZipkinMessageRunner.processMessage(ZipkinMessageRunner.java:30) com.atlassian.confluence.impl.messagequeue.AtlassianMessageQueueAppConfigWithScheduler.lambda$wrapMessageRunnerWithMetricsContext$1(AtlassianMessageQueueAppConfigWithScheduler.java:134) com.atlassian.messagequeue.internal.core.NestedMessageConsumer.consume(NestedMessageConsumer.java:134) com.atlassian.messagequeue.internal.sqs.SQSMessageConsumer.consumeMessage(SQSMessageConsumer.java:249) com.atlassian.messagequeue.internal.sqs.SQSMessageConsumer.processReceiveMessageResult(SQSMessageConsumer.java:197) com.atlassian.messagequeue.internal.sqs.SQSMessageConsumer.run(SQSMessageConsumer.java:128) java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) java.base/java.lang.Thread.run(Thread.java:829) Caused by: org.basex.core.BaseXException: "xxxxxxxxx3e72f3f10-db.xml" (Line 1): Content is not allowed in prolog. org.basex.core.Command.execute(Command.java:94) org.basex.core.Command.execute(Command.java:116) com.atlassian.confluence.importexport.v2.xml.ImportXmlDataExtractor.initialize(ImportXmlDataExtractor.java:145) ... 32 more }
When the space is exported from server and imported into cloud, no issues are seen. Meaning the data structure is fine.
Workaround
Re-attempt the migration, it would work as the issue is transient in nature. Or use the server export/cloud import approach.