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  1. appNG Scheduler
  2. SCHED-54

Starting the application hangs on SQL Server

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    • Type: Bug
    • Status: Done
    • Priority: Medium
    • Resolution: Done
    • Affects Version/s: None
    • Fix Version/s: 1.13.1
    • Labels:
      None

      Description

      Starting with appNG 1.23.0, the Scheduler uses a DataSource with autoCommit=false (see APPNG-2448).
      This causes a deadlock while obtaining a lock:

      log4j: 2022-08-17 13:48:00,625 ERROR ["http-nio-8080-exec-9"] [ 65E6B3D701ABF3CF0A8FE0E5BC6D9CE2 "admin@en"  /manager/appng/appng-manager/sites] quartz.LocalDataSourceJobStore: ClusterManager: Error managing cluster: Failure obtaining db row lock: Lock request time out period exceeded.
      org.quartz.impl.jdbcjobstore.LockException: Failure obtaining db row lock: Lock request time out period exceeded. [See nested exception: com.microsoft.sqlserver.jdbc.SQLServerException: Lock request time out period exceeded.]
      	at org.quartz.impl.jdbcjobstore.StdRowLockSemaphore.executeSQL(StdRowLockSemaphore.java:184)
      	at org.quartz.impl.jdbcjobstore.DBSemaphore.obtainLock(DBSemaphore.java:113)
      	at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3343)
      	at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.manage(JobStoreSupport.java:3935)
      	at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.initialize(JobStoreSupport.java:3920)
      	at org.quartz.impl.jdbcjobstore.JobStoreSupport.schedulerStarted(JobStoreSupport.java:692)
      	at org.quartz.core.QuartzScheduler.start(QuartzScheduler.java:539)
      	at org.quartz.impl.StdScheduler.start(StdScheduler.java:142)
      	at org.appng.application.scheduler.business.SchedulingController.start(SchedulingController.java:90)

      (A lockTimeout must be set in the JDBC-URL to force this exception, otherwhise the thread just runs forever)

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              • Assignee:
                mueller.matthias Matthias Müller
                Reporter:
                mueller.matthias Matthias Müller
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                • Created:
                  Updated:
                  Resolved: