org.quartz.JobPersistenceException: Failure identifying failed instances when checking-in: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: org.quartz.impl.jdbcjobstore.NoSuchDelegateException: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: java.lang.InstantiationException: org.quartz.impl.jdbcjobstore.WebLogicDelegate]]

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This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

Solutions on the web

via Terracotta by gschidam, 1 year ago
Failure identifying failed instances when checking-in: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: org.quartz.impl.jdbcjobstore.NoSuchDelegateException: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: java.lang.InstantiationException: org.quartz.impl.jdbcjobstore.WebLogicDelegate]]
via Terracotta by ArulSa, 4 months ago
Failure identifying failed instances when checking-in: Closed Statement [See nested exception: java.sql.SQLException: Closed Statement]
via Terracotta by sumathie, 4 months ago
Failure identifying failed instances when checking-in: Read timed out [See nested exception: com.microsoft.sqlserver.jdbc.SQLServerException: Read timed out]
via terracotta.org by Unknown author, 1 year ago
Failure identifying failed instances when checking-in: Read timed out [See nested exception: com.microsoft.sqlserver.jdbc.SQLServerException: Read timed out]
via Terracotta by jmargile, 1 year ago
Failure identifying failed instances when checking-in: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1 [See nested
via terracotta.org by Unknown author, 1 year ago
Failure identifying failed instances when checking-in: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1 [See nested
org.quartz.JobPersistenceException: Failure identifying failed instances when checking-in: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: org.quartz.impl.jdbcjobstore.NoSuchDelegateException: Couldn't create delegate: org.quartz.impl.jdbcjobstore.WebLogicDelegate [See nested exception: java.lang.InstantiationException: org.quartz.impl.jdbcjobstore.WebLogicDelegate]]
at java.lang.Class.newInstance0(Class.java:340)
at java.lang.Class.newInstance(Class.java:308)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.getDelegate(JobStoreSupport.java:3104)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.findFailedInstances(JobStoreSupport.java:3275)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.clusterCheckIn(JobStoreSupport.java:3361)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3231)
at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.manage(JobStoreSupport.java:3836)
at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.initialize(JobStoreSupport.java:3821)
at org.quartz.impl.jdbcjobstore.JobStoreSupport.schedulerStarted(JobStoreSupport.java:688)
at org.quartz.core.QuartzScheduler.start(QuartzScheduler.java:580)
at org.quartz.impl.StdScheduler.start(StdScheduler.java:142)

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