Currently the solr failed, we had initial error in solr.log
2019-02-01 15:19:38,051 ERROR [org.alfresco.solr.tracker.AbstractTracker] Tracking failed
org.alfresco.error.AlfrescoRuntimeException: 01010001 GetTransactions return status is 503
at org.alfresco.solr.client.SOLRAPIClient.getTransactions(SOLRAPIClient.java:488)
at org.alfresco.solr.client.SOLRAPIClient.getTransactions(SOLRAPIClient.java:392)
at org.alfresco.solr.tracker.MetadataTracker.checkRepoAndIndexConsistency(MetadataTracker.java:207)
at org.alfresco.solr.tracker.MetadataTracker.trackRepository(MetadataTracker.java:139)
at org.alfresco.solr.tracker.MetadataTracker.doTrack(MetadataTracker.java:110)
at org.alfresco.solr.tracker.AbstractTracker.track(AbstractTracker.java:190)
at org.alfresco.solr.tracker.TrackerJob.execute(TrackerJob.java:54)
at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:563)
And then followed another, which constantly repeated periodically since then
2019-02-01 17:52:45,191 ERROR [org.alfresco.solr.tracker.AbstractTracker] Tracking failed
org.alfresco.solr.TrackerStateException: 01010000 The trackers work was rolled back by another tracker error
at org.alfresco.solr.SolrInformationServer.canUpdate(SolrInformationServer.java:3168)
at org.alfresco.solr.SolrInformationServer.commit(SolrInformationServer.java:773)
at org.alfresco.solr.tracker.ContentTracker.doTrack(ContentTracker.java:111)
at org.alfresco.solr.tracker.AbstractTracker.track(AbstractTracker.java:190)
at org.alfresco.solr.tracker.TrackerJob.execute(TrackerJob.java:54)
at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:563)
Besides we had warnings in alfresco.log at the same time, which are also repeated since then
2019-02-01 15:29:58,729 WARN [org.alfresco.repo.content.metadata.AbstractMappingMetadataExtracter] [http-apr-8181-exec-3] Metadata extraction failed (turn on DEBUG for full error):
Extracter: org.alfresco.repo.content.metadata.PdfBoxMetadataExtracter@7f10738b
Content: ContentAccessor[ contentUrl=store://2019/2/1/15/29/6692635d-ea68-4e5c-ac95-e2b9568333ff.bin, mimetype=application/pdf, size=141314, encoding=UTF-8, locale=en_US]
Failure: nullnull
2019-02-01 15:30:16,600 WARN [org.alfresco.repo.content.metadata.AbstractMappingMetadataExtracter] [http-apr-8181-exec-5] Metadata extraction failed (turn on DEBUG for full error):
Extracter: org.alfresco.repo.content.metadata.PdfBoxMetadataExtracter@7f10738b
Content: ContentAccessor[ contentUrl=store://2019/2/1/15/29/7d990b5c-a0c3-4ed3-9961-4e219dbb057d.bin, mimetype=application/pdf, size=123166, encoding=UTF-8, locale=en_US]
Failure: nullnull
2019-02-01 15:31:11,908 WARN [org.alfresco.repo.content.metadata.AbstractMappingMetadataExtracter] [http-apr-8181-exec-6] Metadata extraction failed (turn on DEBUG for full error):
Extracter: org.alfresco.repo.content.metadata.PdfBoxMetadataExtracter@7f10738b
Content: ContentAccessor[ contentUrl=store://2019/2/1/15/30/6e8223c4-f916-4d92-8578-232e325a383c.bin, mimetype=application/pdf, size=284437, encoding=UTF-8, locale=en_US]
Failure: nullnull
2019-02-01 15:38:48,527 WARN [org.alfresco.repo.content.metadata.AbstractMappingMetadataExtracter] [http-apr-8181-exec-7] Metadata extraction failed (turn on DEBUG for full error):
Extracter: org.alfresco.repo.content.metadata.PdfBoxMetadataExtracter@7f10738b
Content: ContentAccessor[ contentUrl=store://2019/2/1/15/38/8105a1aa-e4f5-458c-b0d9-720d8a6a3cfa.bin, mimetype=application/pdf, size=107435, encoding=UTF-8, locale=en_US]
Failure: nullnull
Alfresco community edition 201612
